ROWE

PRICE

U.S.

Bond

Index

Fund

January

31,

2026

Unaudited

Portfolio

Investments

‡

Par/Shares

Value

(Amounts

000s)

‡

ASSET-BACKED

SECURITIES

5.3%

Car

Loan

1.6%

Ally

Bank

Auto

Credit-Linked

Notes

Series

2024-B,

Class

5.117%,

9/15/32 (1)

211‌

213‌

Ally

Bank

Auto

Credit-Linked

Notes

Series

2025-A,

Class

4.452%,

6/15/33 (1)

1,464‌

1,472‌

Ally

Bank

Auto

Credit-Linked

Notes

Series

2025-B,

Class

4.305%,

9/15/33 (1)

1,687‌

1,695‌

ARI

Fleet

Lease

Trust

Series

2026-A,

Class

3.96%,

11/15/34 (1)

700‌

701‌

ARI

Fleet

Lease

Trust

Series

2026-A,

Class

4.09%,

11/15/34 (1)

260‌

Avis

Budget

Rental

Car

Funding

AESOP

Series

2025-3A,

Class

4.17%,

2/20/30 (1)

510‌

509‌

Bayview

Opportunity

Master

Fund

VII

Series

2024-CAR1,

Class

FRN

SOFR30A

1.10%,

4.797%,

12/26/31 (1)

122‌

123‌

Bridgecrest

Lending

Auto

Securitization

Trust

Series

2026-1,

Class

4.04%,

12/17/29

935‌

936‌

CarMax

Auto

Owner

Trust

Series

2023-3,

Class

5.47%,

2/15/29

215‌

219‌

CarMax

Auto

Owner

Trust

Series

2025-4,

Class

3.97%,

12/16/30

760‌

762‌

CarMax

Auto

Owner

Trust

Series

2025-4,

Class

4.08%,

6/16/31

760‌

759‌

Carvana

Auto

Receivables

Trust

Series

2021-P4,

Class

2.33%,

2/10/28

1,860‌

1,816‌

Carvana

Auto

Receivables

Trust

Series

2024-N1,

Class

5.63%,

5/10/30 (1)

635‌

641‌

Carvana

Auto

Receivables

Trust

Series

2024-P4,

Class

4.64%,

1/10/30

365‌

367‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

Carvana

Auto

Receivables

Trust

Series

2024-P4,

Class

4.74%,

12/10/30

620‌

628‌

Carvana

Auto

Receivables

Trust

Series

2025-P2,

Class

4.75%,

6/10/31

1,465‌

1,488‌

Carvana

Auto

Receivables

Trust

Series

2025-P4,

Class

4.25%,

11/10/31

2,040‌

2,050‌

Chase

Auto

Owner

Trust

Series

2025-1A,

Class

4.29%,

6/25/30 (1)

900‌

908‌

Enterprise

Fleet

Financing

Series

2024-3,

Class

4.98%,

8/21/28 (1)

165‌

167‌

Enterprise

Fleet

Financing

Series

2024-3,

Class

5.06%,

3/20/31 (1)

115‌

118‌

Enterprise

Fleet

Financing

Series

2024-4,

Class

4.69%,

7/20/27 (1)

359‌

360‌

Enterprise

Fleet

Financing

Series

2024-4,

Class

4.70%,

6/20/31 (1)

790‌

803‌

Enterprise

Fleet

Financing

Series

2025-3,

Class

4.46%,

9/20/29 (1)

1,775‌

1,795‌

Exeter

Automobile

Receivables

Trust

Series

2025-4A,

Class

4.40%,

5/15/30

1,335‌

1,344‌

Exeter

Automobile

Receivables

Trust

Series

2025-5A,

Class

4.24%,

11/15/29

975‌

979‌

Exeter

Select

Automobile

Receivables

Trust

Series

2025-2,

Class

4.43%,

8/15/30

1,155‌

1,163‌

Ford

Credit

Floorplan

Master

Owner

Trust

Series

2025-2,

Class

4.06%,

9/15/30

1,330‌

1,333‌

Ford

Credit

Floorplan

Master

Owner

Trust

Series

2025-2,

Class

4.33%,

9/15/30

260‌

Huntington

Bank

Auto

Credit-Linked

Notes

Series

2024-1,

Class

6.153%,

5/20/32 (1)

104‌

106‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

Huntington

Bank

Auto

Credit-Linked

Notes

Series

2025-1,

Class

4.957%,

3/21/33 (1)

999‌

1,006‌

Navistar

Financial

Dealer

Note

Master

Owner

Trust

Series

2024-1,

Class

5.59%,

4/25/29 (1)

640‌

642‌

Navistar

Financial

Dealer

Note

Master

Owner

Trust

Series

2025-1,

Class

4.18%,

9/25/30 (1)

1,730‌

1,736‌

Santander

Drive

Auto

Receivables

Trust

Series

2025-4,

Class

4.17%,

4/15/30

240‌

241‌

SFS

Auto

Receivables

Securitization

Trust

Series

2024-2A,

Class

5.33%,

11/20/29 (1)

747‌

756‌

SFS

Auto

Receivables

Securitization

Trust

Series

2024-2A,

Class

5.41%,

8/20/30 (1)

165‌

169‌

Stellantis

Financial

Underwritten

Enhanced

Lease

Trust

Series

2025-BA,

Class

4.29%,

6/20/29 (1)

1,115‌

1,121‌

Stellantis

Financial

Underwritten

Enhanced

Lease

Trust

Series

2025-BA,

Class

4.47%,

7/20/29 (1)

585‌

589‌

Toyota

Lease

Owner

Trust

Series

2025-A,

Class

4.81%,

6/20/29 (1)

1,225‌

1,240‌

Wheels

Fleet

Lease

Funding

Series

2025-2A,

Class

4.41%,

5/18/40 (1)

4,330‌

4,362‌

35,837‌

Other

Asset-Backed

Securities

3.5%

Affirm

Master

Trust

Series

2025-2A,

Class

4.67%,

7/15/33 (1)

3,215‌

3,238‌

AGL

Series

2021-13A,

Class

A1R,

CLO,

FRN

TSFR

1.10%,

4.768%,

10/20/34 (1)

4,600‌

4,601‌

Apex

Credit

Series

2025-13A,

Class

A1,

CLO,

FRN

TSFR

1.35%,

5.021%,

1/22/39 (1)

840‌

ARES

Series

2019-51A,

Class

A1R2,

CLO,

FRN

TSFR

1.36%,

5.032%,

10/15/37 (1)

1,420‌

1,424‌

Ares

Loan

Funding

Series

2025-ALF9A,

Class

A1,

CLO,

FRN

TSFR

1.18%,

4.852%,

3/31/38 (1)

1,225‌

1,226‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

Auxilior

Term

Funding

Series

2024-1A,

Class

5.84%,

3/15/27 (1)

20‌

Barings

III

Series

2021-3A,

Class

B1R,

CLO,

FRN

TSFR

1.63%,

5.298%,

1/18/35 (1)

2,275‌

2,277‌

Chenango

Park

Series

2018-1A,

Class

A2R,

CLO,

FRN

TSFR

1.45%,

5.122%,

4/15/30 (1)

595‌

CIFC

Funding

Series

2018-1A,

Class

A1R,

CLO,

FRN

TSFR

1.32%,

4.988%,

1/18/38 (1)

935‌

937‌

CyrusOne

Data

Centers

Issuer

Series

2024-2A,

Class

4.50%,

5/20/49 (1)

2,490‌

2,442‌

Dell

Equipment

Finance

Trust

Series

2024-1,

Class

5.73%,

3/22/30 (1)

100‌

101‌

Dell

Equipment

Finance

Trust

Series

2024-2,

Class

4.59%,

8/22/30 (1)

625‌

629‌

Dext

Series

2025-2,

Class

4.23%,

4/15/36 (1)

365‌

Driven

Brands

Funding

Series

2020-1A,

Class

3.786%,

7/20/50 (1)

372‌

367‌

Driven

Brands

Funding

Series

2021-1A,

Class

2.791%,

10/20/51 (1)

1,593‌

1,507‌

Elara

HGV

Timeshare

Issuer

Series

2023-A,

Class

6.16%,

2/25/38 (1)

297‌

307‌

Elara

HGV

Timeshare

Issuer

Series

2023-A,

Class

6.53%,

2/25/38 (1)

238‌

245‌

Eldridge

Series

2025-2A,

Class

A1,

CLO,

FRN

TSFR

1.28%,

4.916%,

1/20/39 (1)

2,045‌

2,050‌

Elmwood

Series

2022-7A,

Class

AR,

CLO,

FRN

TSFR

1.50%,

5.168%,

1/17/37 (1)

1,160‌

Elmwood

Series

2022-7A,

Class

AR2,

CLO,

FRN

TSFR

1.20%,

1/20/39 (1)(2)

1,160‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

Fortress

Credit

BSL

XIX

Series

2023-2A,

Class

A1R,

CLO,

FRN

TSFR

1.35%,

5.018%,

7/24/36 (1)

5,035‌

5,044‌

Halseypoint

Series

2022-6A,

Class

A1R,

CLO,

FRN

TSFR

1.35%,

5.018%,

1/20/38 (1)

1,710‌

1,715‌

Hardee's

Funding

Series

2024-1A,

Class

7.253%,

3/20/54 (1)

951‌

983‌

Hilton

Grand

Vacations

Trust

Series

2025-2A,

Class

4.54%,

5/25/44 (1)

618‌

620‌

Invesco

U.S.

Series

2023-1A,

Class

AR,

CLO,

FRN

TSFR

1.57%,

5.239%,

4/22/37 (1)

730‌

731‌

Jamestown

Series

2020-15A,

Class

A1R,

CLO,

FRN

TSFR

1.37%,

5.042%,

7/15/35 (1)

1,315‌

1,319‌

Jersey

Mike's

Funding

Series

2021-1A,

Class

A2I

2.891%,

2/15/52 (1)

49‌

KKR

Series

2022-43A,

Class

A1R,

CLO,

FRN

TSFR

1.75%,

5.422%,

1/15/36 (1)

1,080‌

1,082‌

Madison

Park

Funding

XXXIII

Series

2019-33A,

Class

AR,

CLO,

FRN

TSFR

1.29%,

4.962%,

10/15/32 (1)

1,100‌

1,101‌

Madison

Park

Funding

XXXV

Series

2019-35A,

Class

A1R2,

CLO,

FRN

TSFR

1.22%,

2/13/39 (1)(2)

1,605‌

MVW

Series

2019-2A,

Class

2.22%,

10/20/38 (1)

293‌

292‌

MVW

Series

2020-1A,

Class

1.74%,

10/20/37 (1)

92‌

90‌

Neuberger

Berman

Loan

Advisers

Series

2022-48A,

Class

A1R,

CLO,

FRN

TSFR

1.09%,

4.758%,

4/25/36 (1)

4,685‌

NMEF

Funding

Series

2025-A,

Class

4.72%,

7/15/32 (1)

894‌

897‌

OCP

Series

2017-13A,

Class

AR2,

CLO,

FRN

TSFR

1.34%,

5.01%,

11/26/37 (1)

2,370‌

2,378‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

Octane

Receivables

Trust

Series

2024-1A,

Class

5.68%,

5/20/30 (1)

181‌

182‌

Octane

Receivables

Trust

Series

2024-RVM1,

Class

5.01%,

1/22/46 (1)

656‌

665‌

Octane

Receivables

Trust

Series

2025-RVM1,

Class

4.48%,

12/20/46 (1)

2,593‌

2,598‌

PEAC

Solutions

Receivables

Series

2025-1A,

Class

4.94%,

10/20/28 (1)

2,308‌

2,321‌

PEAC

Solutions

Receivables

Series

2026-1A,

Class

4.39%,

7/20/33 (1)

1,210‌

1,214‌

Post

Road

Equipment

Finance

Series

2024-1A,

Class

5.59%,

11/15/29 (1)

68‌

Post

Road

Equipment

Finance

Series

2025-1A,

Class

4.90%,

5/15/31 (1)

1,478‌

1,492‌

Progress

Residential

Trust

Series

2021-SFR5,

Class

1.427%,

7/17/38 (1)

330‌

326‌

Progress

Residential

Trust

Series

2024-SFR5,

Class

3.00%,

8/9/29 (1)

741‌

704‌

Progress

Residential

Trust

Series

2025-SFR5,

Class

3.85%,

10/17/42 (1)

655‌

634‌

Regatta

XVI

Funding

Series

2019-2A,

Class

A1R2,

CLO,

FRN

TSFR

1.19%,

4/15/39 (1)(2)

855‌

Rockford

Tower

Series

2022-1A,

Class

A1R,

CLO,

FRN

TSFR

1.20%,

4.868%,

7/20/35 (1)

4,690‌

4,695‌

SCF

Equipment

Leasing

Series

2024-1A,

Class

5.82%,

9/20/32 (1)

840‌

870‌

SCF

Equipment

Leasing

Series

2025-1A,

Class

4.82%,

7/22/30 (1)

665‌

667‌

SCF

Equipment

Leasing

Series

2025-1A,

Class

5.11%,

11/21/33 (1)

1,250‌

1,279‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

SEB

Funding

Series

2024-1A,

Class

7.386%,

4/30/54 (1)

688‌

707‌

Sierra

Timeshare

Receivables

Funding

Series

2025-2A,

Class

4.72%,

4/20/44 (1)

754‌

759‌

Sierra

Timeshare

Receivables

Funding

Series

2025-3A,

Class

4.44%,

8/22/44 (1)

321‌

Signal

Peak

Series

2018-5A,

Class

A1R,

CLO,

FRN

TSFR

1.55%,

5.218%,

4/25/37 (1)

2,310‌

2,312‌

Symphony

Series

2022-37A,

Class

AR2,

CLO,

FRN

TSFR

1.13%,

1/20/37 (1)(2)

1,865‌

Symphony

XXXI

Series

2022-31A,

Class

AR,

CLO,

FRN

TSFR

1.17%,

4.839%,

1/22/38 (1)

670‌

669‌

THL

Credit

Wind

River

Series

2019-3A,

Class

AR3,

CLO,

FRN

TSFR

1.20%,

4.992%,

1/15/38 (1)

890‌

891‌

TPIC

SPV

10.00%,

4/30/26,

(10.00%

PIK),

Acquisition

Date:

12/10/24,

Cost $58 (3)(4)(5)(6)

73‌

TPIC

SPV,

Class

10.00%,

12/6/26,

(10.00%

PIK),

Acquisition

Date:

12/10/24,

Cost $61 (3)(4)(5)(6)

81‌

TPIC

SPV

Series

2024-1A,

Class

7.131%,

11/30/44,

Acquisition

Date:

12/10/24,

Cost $1,880 (3)(6)

1,880‌

1,674‌

Tricon

Residential

Trust

Series

2024-SFR3,

Class

4.50%,

8/17/41 (1)

1,059‌

1,053‌

Verdant

Receivables

Series

2024-1A,

Class

5.68%,

12/12/31 (1)

119‌

121‌

Verdant

Receivables

Series

2025-1A,

Class

5.37%,

5/12/33 (1)

100‌

102‌

Wingspire

Equipment

Finance

Series

2025-1A,

Class

4.33%,

9/20/33 (1)

295‌

296‌

77,576‌

Student

Loan

0.2%

Bayview

Opportunity

Master

Fund

VII

Series

2025-EDU1,

Class

FRN

SOFR30A

1.30%,

4.997%,

7/27/48 (1)

1,568‌

1,571‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

Navient

Private

Education

Refi

Loan

Trust

Series

2019-CA,

Class

3.13%,

2/15/68 (1)

183‌

181‌

Navient

Private

Education

Refi

Loan

Trust

Series

2020-A,

Class

A2A

2.46%,

11/15/68 (1)

427‌

415‌

Navient

Private

Education

Refi

Loan

Trust

Series

2020-GA,

Class

1.17%,

9/16/69 (1)

135‌

128‌

Navient

Private

Education

Refi

Loan

Trust

Series

2020-HA,

Class

1.31%,

1/15/69 (1)

111‌

106‌

SMB

Private

Education

Loan

Trust

Series

2018-B,

Class

A2A

3.60%,

1/15/37 (1)

109‌

108‌

SMB

Private

Education

Loan

Trust

Series

2020-A,

Class

A2A

2.23%,

9/15/37 (1)

197‌

192‌

SMB

Private

Education

Loan

Trust

Series

2020-B,

Class

A1A

1.29%,

7/15/53 (1)

578‌

553‌

SMB

Private

Education

Loan

Trust

Series

2021-A,

Class

APT1

1.07%,

1/15/53 (1)

1,371‌

1,258‌

4,512‌

Total

Asset-Backed

Securities

(Cost

$117,677)

117,925‌

CORPORATE

BONDS

25.9%

FINANCIAL

INSTITUTIONS

10.3%

Banking

5.1%

Ally

Financial,

2.20%,

11/2/28

1,505‌

1,426‌

American

Express,

VR,

4.918%,

7/20/33 (7)

550‌

557‌

Banco

Santander,

3.49%,

5/28/30

600‌

579‌

Bank

America,

3.50%,

4/19/26

600‌

599‌

Bank

America,

6.00%,

10/15/36

300‌

323‌

Bank

America,

7.75%,

5/14/38

150‌

183‌

Bank

America,

VR,

2.592%,

4/29/31 (7)

1,875‌

1,748‌

Bank

America,

VR,

2.676%,

6/19/41 (7)

1,575‌

1,153‌

Bank

America,

VR,

3.824%,

1/20/28 (7)

2,280‌

2,276‌

Bank

America,

VR,

4.244%,

4/24/38 (7)

45‌

42‌

Bank

America,

VR,

5.425%,

8/15/35 (7)

2,000‌

2,034‌

Bank

Montreal,

Series

VR,

4.439%,

1/14/32 (7)

1,900‌

1,896‌

Bank

New

York

Mellon,

VR,

6.474%,

10/25/34 (7)

1,440‌

1,603‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

Barclays,

VR,

5.674%,

3/12/28 (7)

1,045‌

1,063‌

Barclays,

VR,

5.69%,

3/12/30 (7)

2,840‌

2,957‌

BBVA

Mexico

Institucion

Banca

Multiple

Grupo

Financiero,

5.25%,

9/10/29

1,865‌

1,915‌

BNP

Paribas,

VR,

5.497%,

5/20/30 (1)(7)

2,750‌

2,846‌

Capital

One,

2.70%,

2/6/30

2,000‌

1,883‌

Capital

One

Financial,

3.65%,

5/11/27

1,430‌

1,423‌

Capital

One

Financial,

VR,

2.359%,

7/29/32 (7)

3,700‌

3,235‌

Capital

One

Financial,

VR,

6.051%,

2/1/35 (7)

365‌

383‌

Citigroup,

5.875%,

1/30/42

450‌

472‌

Citigroup,

VR,

3.887%,

1/10/28 (7)

2,050‌

2,047‌

Citigroup,

VR,

4.075%,

4/23/29 (7)

1,920‌

Credit

Agricole,

VR,

4.656%,

1/12/32 (1)(7)

1,840‌

1,841‌

Danske

Bank,

VR,

5.705%,

3/1/30 (1)(7)

470‌

488‌

Fifth

Third

Bancorp,

VR,

4.566%,

4/29/32 (7)

2,180‌

2,178‌

Fifth

Third

Bancorp,

VR,

6.339%,

7/27/29 (7)

460‌

483‌

Goldman

Sachs

Group,

3.80%,

3/15/30

1,270‌

1,251‌

Goldman

Sachs

Group,

6.75%,

10/1/37

455‌

505‌

Goldman

Sachs

Group,

VR,

5.065%,

1/21/37 (7)

3,705‌

3,689‌

Goldman

Sachs

Group,

VR,

5.734%,

1/28/56 (7)

2,645‌

2,662‌

HSBC

Bank

USA,

5.875%,

11/1/34

550‌

582‌

HSBC

Holdings,

VR,

2.013%,

9/22/28 (7)

3,345‌

3,235‌

HSBC

Holdings,

VR,

6.332%,

3/9/44 (7)

1,725‌

1,883‌

ING

Groep,

VR,

5.55%,

3/19/35 (7)

1,655‌

1,718‌

ING

Groep,

VR,

6.114%,

9/11/34 (7)

740‌

798‌

JPMorgan

Chase,

2.95%,

10/1/26

980‌

975‌

JPMorgan

Chase,

VR,

2.956%,

5/13/31 (7)

1,230‌

1,159‌

JPMorgan

Chase,

VR,

3.782%,

2/1/28 (7)

990‌

988‌

JPMorgan

Chase,

VR,

3.882%,

7/24/38 (7)

4,905‌

4,382‌

JPMorgan

Chase,

VR,

5.299%,

7/24/29 (7)

3,170‌

3,262‌

JPMorgan

Chase,

VR,

5.576%,

7/23/36 (7)

1,315‌

1,352‌

Manufacturers

Traders

Trust,

VR,

4.762%,

7/6/28 (7)

1,455‌

1,469‌

Mitsubishi

UFJ

Financial

Group,

VR,

4.505%,

1/14/32 (7)

2,690‌

2,695‌

Morgan

Stanley,

3.125%,

7/27/26

2,000‌

1,993‌

Morgan

Stanley,

6.25%,

8/9/26

175‌

177‌

Morgan

Stanley,

VR,

3.217%,

4/22/42 (7)

830‌

644‌

Morgan

Stanley,

VR,

4.493%,

1/16/32 (7)

675‌

674‌

Morgan

Stanley,

VR,

5.656%,

4/18/30 (7)

2,975‌

3,099‌

Morgan

Stanley

Private

Bank,

VR,

4.734%,

7/18/31 (7)

3,785‌

3,834‌

National

Bank

Canada,

VR,

4.166%,

1/20/29 (7)

2,075‌

2,079‌

Northern

Trust,

4.15%,

11/19/30

2,080‌

PNC

Financial

Services

Group,

VR,

5.373%,

7/21/36 (7)

495‌

507‌

Santander

Holdings

USA,

VR,

6.342%,

5/31/35 (7)(8)

1,925‌

2,054‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

Santander

Holdings

USA,

VR,

6.499%,

3/9/29 (7)

885‌

923‌

Santander

U.K.

Group

Holdings,

VR,

4.32%,

9/22/29 (7)

1,190‌

1,191‌

Skandinaviska

Enskilda

Banken,

5.125%,

3/5/27 (1)(8)

2,930‌

2,971‌

Societe

Generale,

5.25%,

2/19/27 (1)

1,230‌

1,244‌

Societe

Generale,

VR,

6.066%,

1/19/35 (1)(7)(8)

1,305‌

1,376‌

Standard

Chartered,

VR,

5.243%,

1/13/37 (1)(7)

1,060‌

1,057‌

Toronto-Dominion

Bank,

4.994%,

4/5/29

2,200‌

2,258‌

Truist

Financial,

1.95%,

6/5/30

1,470‌

1,336‌

U.S.

Bancorp,

VR,

5.384%,

1/23/30 (7)

665‌

688‌

Wells

Fargo,

VR,

2.393%,

6/2/28 (7)

2,415‌

2,364‌

Wells

Fargo,

VR,

2.879%,

10/30/30 (7)

2,925‌

2,786‌

Wells

Fargo,

VR,

5.574%,

7/25/29 (7)

1,250‌

1,293‌

Wells

Fargo,

VR,

5.707%,

4/22/28 (7)

1,895‌

1,933‌

Wells

Fargo,

VR,

6.303%,

10/23/29 (7)

1,380‌

1,457‌

Westpac

New

Zealand,

5.195%,

2/28/29 (1)

1,935‌

1,995‌

114,171‌

Brokerage

Asset

Managers

Exchanges

0.5%

Charles

Schwab,

VR,

4.914%,

11/14/36 (7)

3,165‌

3,137‌

Intercontinental

Exchange,

1.85%,

9/15/32

1,735‌

1,480‌

Intercontinental

Exchange,

5.25%,

6/15/31

1,585‌

1,655‌

LPL

Holdings,

5.65%,

3/15/35

3,700‌

3,770‌

10,042‌

Finance

Companies

0.2%

Avolon

Holdings

Funding,

6.375%,

5/4/28 (1)

1,560‌

1,625‌

GATX,

6.05%,

3/15/34

1,785‌

1,906‌

3,531‌

Financial

Other

0.1%

Atlas

Warehouse

Lending,

4.625%,

11/15/28 (1)

3,065‌

3,080‌

Insurance

3.1%

Allstate,

6.125%,

12/15/32

150‌

162‌

American

International

Group,

3.875%,

1/15/35

425‌

396‌

Aon

Corp.,

5.00%,

9/12/32 (8)

3,075‌

3,149‌

Arthur

Gallagher,

4.85%,

12/15/29

445‌

455‌

Athene

Global

Funding,

4.86%,

8/27/26 (1)

3,330‌

3,345‌

Athene

Global

Funding,

5.033%,

7/17/30 (1)

990‌

999‌

Centene,

3.375%,

2/15/30

3,095‌

2,856‌

CNO

Global

Funding,

4.95%,

9/9/29 (1)

515‌

524‌

Corebridge

Global

Funding,

4.25%,

8/21/28 (1)

885‌

888‌

Corebridge

Global

Funding,

4.65%,

8/20/27 (1)

1,075‌

1,086‌

Elevance

Health,

4.55%,

3/1/48

1,135‌

963‌

Elevance

Health,

4.65%,

1/15/43

485‌

432‌

Enact

Holdings,

6.25%,

5/28/29

505‌

529‌

Equitable

America

Global

Funding,

4.30%,

12/15/28 (1)

345‌

346‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

Equitable

America

Global

Funding,

4.65%,

6/9/28 (1)

1,915‌

1,937‌

Equitable

America

Global

Funding,

4.70%,

9/15/32 (1)

400‌

399‌

Fidelity

National

Financial,

4.50%,

8/15/28

1,615‌

1,627‌

Fortitude

Group

Holdings,

6.25%,

4/1/30 (1)

2,500‌

2,593‌

Health

Care

Service

Corp.

Mutual

Legal

Reserve,

5.45%,

6/15/34 (1)

1,095‌

1,115‌

Humana,

5.375%,

4/15/31

785‌

804‌

Humana,

5.95%,

3/15/34

835‌

863‌

Jackson

National

Life

Global

Funding,

4.70%,

6/5/28 (1)

2,970‌

3,007‌

Jackson

National

Life

Global

Funding,

4.90%,

1/13/27 (1)

3,620‌

3,653‌

Liberty

Mutual

Group,

4.85%,

8/1/44 (1)

1,370‌

1,204‌

MassMutual

Global

Funding

II,

5.10%,

4/9/27 (1)

2,940‌

2,982‌

Met

Tower

Global

Funding,

4.00%,

1/14/29 (1)

1,895‌

1,891‌

New

York

Life

Global

Funding,

4.05%,

2/2/29 (1)

4,525‌

4,531‌

New

York

Life

Insurance,

3.75%,

5/15/50 (1)

1,415‌

1,054‌

Pacific

Life

Global

Funding

II,

4.375%,

2/3/31 (1)

3,795‌

3,798‌

Pricoa

Global

Funding

4.35%,

11/25/30 (1)(8)

5,380‌

5,382‌

Principal

Financial

Group,

2.125%,

6/15/30

1,900‌

1,732‌

Principal

Financial

Group,

3.70%,

5/15/29

10‌

Principal

Financial

Group,

4.111%,

2/15/28 (1)

1,100‌

1,099‌

RGA

Global

Funding,

4.35%,

8/25/28 (1)

1,150‌

1,157‌

RGA

Global

Funding,

4.60%,

11/25/30 (1)

1,600‌

1,603‌

RGA

Global

Funding,

5.448%,

5/24/29 (1)(8)

1,730‌

1,793‌

Sammons

Financial

Group

Global

Funding,

4.80%,

12/12/30 (1)(8)

1,790‌

1,797‌

Teachers

Insurance

Annuity

Association

America,

4.27%,

5/15/47 (1)

1,400‌

1,155‌

Travelers,

6.25%,

6/15/37

225‌

249‌

UnitedHealth

Group,

2.00%,

5/15/30

10‌

9‌

UnitedHealth

Group,

3.50%,

8/15/39

1,960‌

1,618‌

UnitedHealth

Group,

4.40%,

6/15/28

330‌

333‌

UnitedHealth

Group,

4.75%,

7/15/45

900‌

803‌

UnitedHealth

Group,

5.75%,

7/15/64

1,790‌

1,734‌

Willis

North

America,

4.50%,

9/15/28

1,110‌

1,119‌

69,181‌

Real

Estate

Investment

Trusts

1.3%

Alexandria

Real

Estate

Equities,

3.95%,

1/15/27

10‌

Alexandria

Real

Estate

Equities,

4.00%,

2/1/50

1,975‌

1,489‌

AvalonBay

Communities,

4.35%,

12/1/30

3,225‌

3,227‌

Brixmor

Operating

Partnership,

3.90%,

3/15/27

495‌

494‌

Brixmor

Operating

Partnership,

4.05%,

7/1/30

760‌

749‌

Brixmor

Operating

Partnership,

4.85%,

2/15/33

440‌

439‌

Essex

Portfolio,

2.65%,

3/15/32

660‌

588‌

Essex

Portfolio,

4.50%,

3/15/48

1,455‌

1,232‌

Essex

Portfolio,

4.875%,

2/15/36

3,050‌

2,969‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

Extra

Space

Storage,

4.00%,

6/15/29

15‌

Extra

Space

Storage,

4.95%,

1/15/33

755‌

759‌

Healthcare

Realty

Holdings,

3.625%,

1/15/28

605‌

599‌

Healthpeak

OP,

2.125%,

12/1/28

710‌

673‌

Healthpeak

OP,

2.875%,

1/15/31

420‌

390‌

Prologis,

4.00%,

9/15/28

2,110‌

2,114‌

Public

Storage

Operating,

1.95%,

11/9/28

1,285‌

1,218‌

Realty

Income,

2.20%,

6/15/28

685‌

658‌

Realty

Income,

3.95%,

8/15/27

835‌

836‌

Regency

Centers,

3.60%,

2/1/27

350‌

349‌

Regency

Centers,

4.125%,

3/15/28

520‌

521‌

Regency

Centers,

4.40%,

2/1/47

2,000‌

1,711‌

Regency

Centers,

5.25%,

1/15/34

1,340‌

1,375‌

Simon

Property

Group,

3.80%,

7/15/50 (8)

2,830‌

2,134‌

Simon

Property

Group,

4.30%,

1/15/31 (8)

1,120‌

1,117‌

Welltower

OP,

5.125%,

7/1/35

3,390‌

3,442‌

29,108‌

Total

Financial

Institutions

229,113‌

INDUSTRIAL

13.3%

Basic

Industry

0.2%

Celulosa

Arauco

Constitucion,

3.875%,

11/2/27

570‌

565‌

Freeport-McMoRan,

5.45%,

3/15/43

274‌

267‌

Nutrien,

4.00%,

12/15/26

525‌

Sherwin-Williams,

4.80%,

9/1/31 (8)

2,400‌

2,452‌

3,809‌

Capital

Goods

1.3%

Amphenol,

4.75%,

3/30/26

310‌

311‌

Amphenol,

5.05%,

4/5/29

925‌

952‌

Boeing,

3.60%,

5/1/34

2,000‌

1,820‌

Boeing,

6.528%,

5/1/34

1,715‌

1,897‌

Caterpillar

Financial

Services,

5.00%,

5/14/27

4,225‌

4,294‌

CNH

Industrial

Capital,

4.375%,

3/7/31

4,400‌

4,363‌

CRH

America

Finance,

3.95%,

4/4/28 (1)

1,700‌

1,696‌

Ingersoll

Rand,

5.176%,

6/15/29

3,131‌

3,237‌

John

Deere

Capital,

4.40%,

9/8/31

2,530‌

2,552‌

John

Deere

Capital,

4.50%,

1/8/27

1,840‌

1,854‌

L3Harris

Technologies,

5.05%,

6/1/29

1,300‌

1,336‌

Lockheed

Martin,

4.07%,

12/15/42

184‌

158‌

Owens

Corning,

5.70%,

6/15/34 (8)

1,235‌

1,298‌

Regal

Rexnord,

6.40%,

4/15/33

1,640‌

1,752‌

Tyco

Electronics

Group,

4.875%,

2/9/36

1,820‌

1,810‌

29,330‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

Communications

2.1%

America

Movil,

6.375%,

3/1/35 (8)

300‌

330‌

American

Tower,

4.70%,

12/15/32

1,120‌

AT&T,

2.75%,

6/1/31

3,300‌

3,034‌

AT&T,

4.35%,

3/1/29

1,020‌

1,027‌

AT&T,

4.55%,

11/1/32

1,285‌

1,276‌

AT&T,

5.40%,

2/15/34

2,415‌

2,490‌

Charter

Communications

Operating,

2.80%,

4/1/31

2,365‌

2,132‌

Charter

Communications

Operating,

3.70%,

4/1/51

1,795‌

1,149‌

Charter

Communications

Operating,

6.10%,

6/1/29

690‌

720‌

Comcast,

2.65%,

2/1/30

10‌

9‌

Comcast,

3.20%,

7/15/36

80‌

68‌

Comcast,

5.50%,

5/15/64 (8)

2,490‌

2,232‌

Crown

Castle,

2.10%,

4/1/31

2,300‌

2,032‌

Crown

Castle,

2.25%,

1/15/31

1,665‌

1,489‌

Crown

Castle,

3.70%,

6/15/26

700‌

699‌

Meta

Platforms,

5.60%,

5/15/53

1,825‌

1,731‌

NTT

Finance,

4.876%,

7/16/30 (1)

1,160‌

1,183‌

Omnicom

Group,

3.60%,

4/15/26

695‌

694‌

Orange,

4.75%,

1/13/33 (1)

1,830‌

1,825‌

Rogers

Communications,

5.00%,

2/15/29

1,615‌

1,648‌

Rogers

Communications,

5.30%,

2/15/34

1,885‌

1,907‌

T-Mobile

USA,

3.75%,

4/15/27

3,565‌

3,556‌

T-Mobile

USA,

4.95%,

11/15/35

2,880‌

2,849‌

T-Mobile

USA,

5.00%,

2/15/36

1,300‌

1,286‌

Time

Warner

Cable,

6.55%,

5/1/37

235‌

238‌

Time

Warner

Cable,

6.75%,

6/15/39

2,580‌

2,586‌

Verizon

Communications,

1.68%,

10/30/30

625‌

554‌

Verizon

Communications,

4.00%,

3/22/50

1,500‌

1,139‌

Verizon

Communications,

4.75%,

1/15/33

1,930‌

1,929‌

45,937‌

Consumer

Cyclical

2.2%

Alibaba

Group

Holding,

4.00%,

12/6/37

2,300‌

2,114‌

Amazon.com,

4.65%,

11/20/35

4,085‌

4,044‌

American

Honda

Finance,

4.55%,

7/9/27

1,645‌

1,660‌

American

Honda

Finance,

4.90%,

3/12/27

2,790‌

2,821‌

AutoZone,

1.65%,

1/15/31

2,000‌

1,754‌

AutoZone,

3.125%,

4/21/26

445‌

444‌

AutoZone,

3.75%,

6/1/27

20‌

AutoZone,

5.05%,

7/15/26

1,390‌

1,396‌

CBRE

Services,

4.90%,

1/15/33

745‌

747‌

CBRE

Services,

5.50%,

4/1/29

580‌

601‌

Daimler

Truck

Finance

North

America,

4.15%,

1/12/29 (1)

785‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

Daimler

Truck

Finance

North

America,

5.375%,

1/18/34 (1)

560‌

572‌

Ford

Motor

Credit,

5.125%,

11/5/26

1,435‌

1,442‌

Ford

Motor

Credit,

7.122%,

11/7/33

635‌

686‌

General

Motors

Financial,

5.45%,

1/8/36 (8)

650‌

653‌

General

Motors

Financial,

5.55%,

7/15/29

600‌

623‌

Home

Depot,

5.875%,

12/16/36

3,000‌

3,239‌

Hyundai

Capital

America,

4.55%,

1/8/31 (1)

850‌

851‌

Hyundai

Capital

America,

4.90%,

6/23/28 (1)

1,950‌

1,983‌

Hyundai

Capital

America,

5.35%,

3/19/29 (1)

500‌

515‌

Hyundai

Capital

America,

5.50%,

3/30/26 (1)

820‌

822‌

Lowe's,

4.25%,

3/15/31

2,370‌

2,359‌

Lowe's,

4.45%,

4/1/62

1,890‌

1,483‌

Mercedes-Benz

Finance

North

America,

4.80%,

3/30/26 (1)

1,930‌

1,933‌

O'Reilly

Automotive,

3.60%,

9/1/27

20‌

O'Reilly

Automotive,

3.90%,

6/1/29

2,470‌

2,451‌

O'Reilly

Automotive,

5.75%,

11/20/26

390‌

395‌

PACCAR

Financial,

5.00%,

5/13/27

3,070‌

3,121‌

PACCAR

Financial,

5.20%,

11/9/26

2,895‌

2,927‌

Ross

Stores,

1.875%,

4/15/31

300‌

265‌

TJX,

1.60%,

5/15/31

1,425‌

1,251‌

Toyota

Motor

Credit,

4.05%,

9/5/28

2,680‌

2,694‌

Uber

Technologies,

4.30%,

1/15/30

2,710‌

2,719‌

Volkswagen

Group

America

Finance,

4.95%,

8/15/29 (1)

495‌

503‌

49,893‌

Consumer

Non-Cyclical

2.7%

AbbVie,

3.20%,

5/14/26

225‌

AbbVie,

4.50%,

5/14/35

1,235‌

1,209‌

AbbVie,

4.80%,

3/15/29

1,315‌

1,347‌

Amgen,

2.60%,

8/19/26

1,275‌

1,266‌

Amgen,

2.77%,

9/1/53

1,239‌

738‌

Amgen,

5.15%,

3/2/28

1,615‌

1,653‌

Anheuser-Busch

InBev

Worldwide,

5.45%,

1/23/39

30‌

31‌

Astrazeneca

Finance,

4.875%,

3/3/28

2,300‌

2,348‌

Banner

Health,

1.897%,

1/1/31

850‌

762‌

BAT

Capital,

4.39%,

8/15/37

3,395‌

3,114‌

BAT

Capital,

5.834%,

2/20/31

845‌

896‌

Becton

Dickinson

Company,

5.081%,

6/7/29

1,505‌

1,547‌

Centra

Health,

4.70%,

1/1/48

25‌

20‌

Cigna

Group,

4.50%,

9/15/30

380‌

382‌

Cigna

Group,

4.90%,

12/15/48

2,100‌

1,861‌

CommonSpirit

Health,

2.782%,

10/1/30

980‌

912‌

CommonSpirit

Health,

3.91%,

10/1/50

40‌

30‌

Conopco,

6.625%,

4/15/28

5‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

CVS

Health,

1.875%,

2/28/31

1,135‌

999‌

CVS

Health,

5.00%,

9/15/32

420‌

427‌

CVS

Health,

5.125%,

7/20/45

925‌

830‌

CVS

Health,

5.40%,

6/1/29

1,360‌

1,408‌

CVS

Health,

6.00%,

6/1/63

2,705‌

2,598‌

Hackensack

Meridian

Health,

4.211%,

7/1/48

1,680‌

1,391‌

HCA,

4.125%,

6/15/29

1,695‌

1,691‌

HCA,

5.45%,

9/15/34

890‌

913‌

Indiana

University

Health

Obligated

Group,

3.97%,

11/1/48

1,030‌

821‌

IQVIA,

6.25%,

2/1/29

735‌

774‌

JDE

Peet's,

1.375%,

1/15/27 (1)

1,245‌

1,214‌

Keurig

Pepper,

2.55%,

9/15/26

450‌

446‌

Kraft

Heinz

Foods,

6.875%,

1/26/39

3,600‌

4,009‌

Mars,

4.60%,

3/1/28 (1)

2,120‌

2,148‌

MedStar

Health,

Series

20A,

3.626%,

8/15/49

920‌

676‌

Memorial

Sloan-Kettering

Cancer

Center,

Series

2015,

4.20%,

7/1/55

600‌

487‌

Mondelez

International,

4.75%,

2/20/29

3,800‌

3,875‌

Nestle

Holdings,

4.85%,

3/14/33 (1)(8)

2,700‌

2,759‌

Northwell

Healthcare,

3.979%,

11/1/46 (8)

1,275‌

1,007‌

Pfizer,

4.50%,

11/15/32 (8)

3,245‌

3,254‌

Revvity,

1.90%,

9/15/28

1,575‌

1,486‌

Roche

Holdings,

4.075%,

12/2/30 (1)

2,110‌

2,103‌

Solventum,

5.40%,

3/1/29

673‌

697‌

Stanford

Health

Care,

Series

2018,

3.795%,

11/15/48

440‌

342‌

West

Virginia

United

Health

System

Obligated

Group,

Series

2018,

4.924%,

6/1/48

1,620‌

1,407‌

Zoetis,

4.15%,

8/17/28

3,805‌

3,826‌

59,934‌

Energy

2.4%

Boardwalk

Pipelines,

3.40%,

2/15/31

2,130‌

2,013‌

Cameron

LNG,

2.902%,

7/15/31 (1)

520‌

481‌

Cameron

LNG,

3.701%,

1/15/39 (1)

430‌

365‌

Canadian

Natural

Resources,

2.95%,

7/15/30 (8)

1,520‌

1,436‌

Cheniere

Energy

Partners,

5.75%,

8/15/34

1,865‌

1,943‌

Chevron

USA,

4.30%,

10/15/30 (8)

2,275‌

2,298‌

Columbia

Pipelines

Holding,

4.999%,

11/17/32 (1)

3,405‌

3,418‌

Diamondback

Energy,

5.15%,

1/30/30

550‌

566‌

Enbridge,

4.20%,

11/20/28

2,255‌

2,261‌

Enbridge,

4.25%,

12/1/26

355‌

356‌

Enbridge,

4.60%,

6/20/28

340‌

345‌

Enbridge,

5.50%,

12/1/46

555‌

544‌

Enbridge,

5.625%,

4/5/34

795‌

828‌

Enbridge,

6.70%,

11/15/53

610‌

671‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

Enbridge

Energy

Partners,

5.50%,

9/15/40

170‌

169‌

Energy

Transfer,

5.35%,

1/15/36 (8)

2,060‌

2,057‌

Energy

Transfer,

5.60%,

9/1/34

1,505‌

1,550‌

Eni,

5.50%,

5/15/34 (1)

845‌

872‌

Eni,

5.95%,

5/15/54 (1)

930‌

934‌

Enterprise

Products

Operating,

4.30%,

6/20/28

1,145‌

1,155‌

Enterprise

Products

Operating,

4.60%,

1/11/27

2,845‌

2,865‌

Enterprise

Products

Operating,

4.60%,

1/15/31

2,110‌

2,137‌

EOG

Resources,

4.40%,

7/15/28

1,295‌

1,310‌

EOG

Resources,

4.40%,

1/15/31

1,055‌

1,057‌

Sinclair,

5.75%,

1/15/31 (8)

814‌

844‌

Kinder

Morgan,

5.20%,

6/1/33

1,800‌

1,852‌

Marathon

Petroleum,

5.15%,

3/1/30 (8)

1,955‌

2,013‌

MPLX,

4.80%,

2/15/31

2,150‌

2,174‌

MPLX,

5.65%,

3/1/53

1,600‌

1,490‌

Occidental

Petroleum,

5.375%,

1/1/32

1,430‌

1,470‌

ONEOK,

4.75%,

10/15/31

1,340‌

1,346‌

Sabine

Pass

Liquefaction,

4.20%,

3/15/28

815‌

817‌

Sabine

Pass

Liquefaction,

4.50%,

5/15/30

655‌

659‌

Spectra

Energy

Partners,

3.375%,

10/15/26

460‌

458‌

TotalEnergies

Capital

USA,

4.569%,

1/13/33

3,240‌

3,237‌

Transcontinental

Gas

Pipe

Line,

4.60%,

3/15/48

790‌

686‌

Williams,

4.625%,

6/30/30

1,480‌

1,496‌

Williams,

4.85%,

3/1/48

190‌

166‌

Williams,

4.90%,

3/15/29

1,415‌

1,447‌

Woodside

Finance,

3.70%,

9/15/26 (1)

330‌

329‌

Woodside

Finance,

3.70%,

3/15/28 (1)

435‌

430‌

Woodside

Finance,

4.50%,

3/4/29 (1)

1,435‌

1,438‌

53,983‌

Industrial

Other

0.2%

Booz

Allen

Hamilton,

5.95%,

4/15/35 (8)

4,000‌

4,112‌

Georgetown

University,

Series

4.315%,

4/1/49

1,475‌

1,222‌

President

Fellows

Harvard

College,

3.619%,

10/1/37

385‌

343‌

5,677‌

Technology

1.4%

Atlassian,

5.25%,

5/15/29

760‌

781‌

Broadcom,

4.60%,

7/15/30

1,115‌

1,130‌

Broadcom,

4.60%,

1/15/33 (8)

2,075‌

2,068‌

Broadcom,

4.80%,

4/15/28 (8)

3,290‌

3,354‌

Cadence

Design

Systems,

4.30%,

9/10/29

1,090‌

1,097‌

Fiserv,

3.20%,

7/1/26

10‌

Fiserv,

5.45%,

3/15/34

2,125‌

2,147‌

Foundry

Holdco,

5.90%,

1/25/33 (1)

765‌

803‌

Foundry

Holdco,

6.15%,

1/25/32 (1)

885‌

943‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

Motorola

Solutions,

5.00%,

4/15/29

835‌

856‌

NXP,

3.15%,

5/1/27

395‌

391‌

NXP,

4.30%,

8/19/28

590‌

593‌

Oracle,

5.20%,

9/26/35 (8)

3,145‌

2,998‌

Oracle,

5.375%,

7/15/40

2,925‌

2,629‌

Oracle,

6.90%,

11/9/52

1,375‌

1,350‌

Qorvo,

4.375%,

10/15/29

559‌

551‌

RELX

Capital,

3.00%,

5/22/30

1,120‌

1,065‌

Roper

Technologies,

2.00%,

6/30/30

575‌

520‌

Roper

Technologies,

3.80%,

12/15/26

660‌

659‌

ServiceNow,

1.40%,

9/1/30

3,710‌

3,270‌

Finance,

3.35%,

5/15/26

225‌

224‌

VMware,

1.40%,

8/15/26

3,475‌

3,430‌

30,869‌

Transportation

0.8%

American

Airlines

PTT,

Series

2019-1,

Class

AA,

3.15%,

2/15/32

25‌

23‌

Burlington

Northern

Santa

Fe,

6.15%,

5/1/37

100‌

111‌

Canadian

National

Railway,

5.85%,

11/1/33 (8)

920‌

993‌

Canadian

National

Railway,

6.25%,

8/1/34

95‌

105‌

Canadian

Pacific

Railway,

1.75%,

12/2/26

845‌

830‌

Canadian

Pacific

Railway,

2.875%,

11/15/29

1,140‌

1,095‌

Canadian

Pacific

Railway,

3.50%,

5/1/50

1,155‌

834‌

Canadian

Pacific

Railway,

4.70%,

5/1/48

720‌

639‌

Element

Fleet

Management,

4.641%,

11/24/30 (1)

3,370‌

3,376‌

ERAC

USA

Finance,

4.50%,

2/15/45 (1)

260‌

226‌

ERAC

USA

Finance,

4.90%,

5/1/33 (1)

1,595‌

1,613‌

FedEx,

4.40%,

1/15/47

6,500‌

5,369‌

Transurban

Finance,

2.45%,

3/16/31 (1)

1,820‌

1,654‌

Transurban

Finance,

3.375%,

3/22/27 (1)

128‌

127‌

United

Airlines

PTT,

Series

2016-2,

Class

3.10%,

10/7/28

551‌

527‌

United

Airlines

PTT,

Series

2018-1,

Class

3.70%,

3/1/30

803‌

766‌

18,288‌

Total

Industrial

297,720‌

UTILITY

2.3%

Electric

2.0%

AES,

5.80%,

3/15/32

2,300‌

2,375‌

Ameren,

5.70%,

12/1/26

1,820‌

1,844‌

American

Electric

Power,

5.20%,

1/15/29

2,595‌

2,675‌

Berkshire

Hathaway

Energy,

6.125%,

4/1/36

170‌

184‌

CenterPoint

Energy

Houston

Electric,

Series

K2,

6.95%,

3/15/33

100‌

113‌

CMS

Energy,

4.875%,

3/1/44

635‌

568‌

Constellation

Energy

Generation,

4.40%,

1/15/31 (8)

1,775‌

1,771‌

DTE

Energy,

5.10%,

3/1/29

2,645‌

2,714‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

DTE

Energy,

5.85%,

6/1/34

390‌

415‌

Duke

Energy,

2.65%,

9/1/26

355‌

352‌

Duke

Energy,

4.95%,

9/15/35 (8)

1,045‌

1,035‌

Duke

Energy

Florida,

4.85%,

12/1/35

2,210‌

2,194‌

Duke

Energy

Florida,

6.35%,

9/15/37

170‌

188‌

Duke

Energy

Progress,

6.30%,

4/1/38

100‌

110‌

Enel

Finance

International,

4.375%,

9/30/30 (1)

1,815‌

1,810‌

Exelon,

3.40%,

4/15/26

1,815‌

1,813‌

FirstEnergy

Pennsylvania

Electric,

4.30%,

1/15/29 (1)

2,320‌

2,322‌

FirstEnergy

Transmission,

5.00%,

1/15/35

610‌

Florida

Power

Light,

5.30%,

6/15/34

3,040‌

3,173‌

Georgia

Power,

4.95%,

5/17/33

895‌

914‌

Mid-Atlantic

Interstate

Transmission,

4.10%,

5/15/28 (1)

1,765‌

1,767‌

Nevada

Power,

Series

6.65%,

4/1/36

400‌

448‌

New

York

State

Electric

Gas,

5.30%,

8/15/34 (1)

1,195‌

1,231‌

Niagara

Mohawk

Power,

4.647%,

10/3/30 (1)

1,165‌

1,172‌

Niagara

Mohawk

Power,

5.112%,

1/12/36 (1)(8)

3,270‌

3,253‌

Pacific

Gas

Electric,

2.10%,

8/1/27

1,985‌

1,928‌

PECO

Energy,

5.95%,

10/1/36

150‌

162‌

Public

Service

Electric

Gas,

5.70%,

12/1/36

180‌

190‌

San

Diego

Gas

Electric,

Series

FFF,

6.125%,

9/15/37

170‌

184‌

San

Diego

Gas

Electric,

Series

TTT,

4.10%,

6/15/49

1,790‌

1,414‌

Southern,

4.40%,

7/1/46

1,935‌

1,636‌

Southern,

5.70%,

3/15/34

725‌

762‌

Southern

California

Edison,

5.15%,

6/1/29

2,105‌

2,155‌

Southwestern

Public

Service,

6.00%,

6/1/54

365‌

373‌

Tampa

Electric,

6.15%,

5/15/37

700‌

751‌

44,606‌

Natural

Gas

0.3%

APA

Infrastructure,

5.125%,

9/16/34 (1)

475‌

476‌

Engie,

5.625%,

4/10/34 (1)

660‌

690‌

NiSource,

1.70%,

2/15/31

1,280‌

1,125‌

NiSource,

3.49%,

5/15/27

710‌

706‌

NiSource,

3.95%,

3/30/48

1,000‌

774‌

NiSource,

5.35%,

4/1/34

1,850‌

1,905‌

Southern

California

Gas,

Series

KK,

5.75%,

11/15/35

140‌

148‌

Southern

Gas

Capital,

4.95%,

9/15/34

1,735‌

1,737‌

7,561‌

Total

Utility

52,167‌

Total

Corporate

Bonds

(Cost

$587,338)

579,000‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

FOREIGN

GOVERNMENT

OBLIGATIONS

MUNICIPALITIES

1.7%

Local

Authorities

0.7%

Province

Alberta,

3.30%,

3/15/28

1,605‌

1,591‌

Province

Alberta

Canada,

4.50%,

1/24/34

1,405‌

1,416‌

Province

British

Columbia,

4.20%,

7/6/33

2,644‌

2,617‌

Province

Manitoba

Canada,

4.30%,

7/27/33

2,045‌

2,034‌

Province

New

Brunswick,

3.625%,

2/24/28

2,545‌

2,535‌

Province

Ontario,

3.70%,

9/17/29

4,360‌

4,346‌

Province

Quebec,

Series

PD,

7.50%,

9/15/29

104‌

117‌

14,656‌

Owned

Guarantee

0.0%

Autoridad

del

Canal

Panama,

4.95%,

7/29/35 (1)

295‌

288‌

Corp

Nacional

del

Cobre

Chile,

3.75%,

1/15/31 (1)

570‌

550‌

838‌

Sovereign

1.0%

Eagle

Funding

Luxco,

5.50%,

8/17/30 (1)

2,720‌

2,763‌

Government

Qatar,

3.75%,

4/16/30 (1)

730‌

723‌

Kingdom

Saudi

Arabia,

5.375%,

1/13/31 (1)

2,010‌

2,088‌

Republic

Chile,

5.65%,

1/13/37

3,740‌

3,947‌

Republic

Peru,

5.375%,

2/8/35

740‌

755‌

Republic

Poland,

Series

10Y,

3.25%,

4/6/26

890‌

889‌

Republic

Poland,

Series

30Y,

5.50%,

3/18/54

2,365‌

2,244‌

Republic

Romania,

6.625%,

5/16/36 (1)

3,300‌

3,455‌

United

Mexican

States,

2.659%,

5/24/31

5,154‌

4,593‌

United

Mexican

States,

6.125%,

2/9/38

850‌

848‌

22,305‌

Total

Foreign

Government

Obligations

Municipalities

(Cost

$37,834)

37,799‌

MUNICIPAL

SECURITIES

1.4%

California

0.2%

Bay

Area

Toll

Auth.,

Series S-1,

Build

America,

6.918%,

4/1/40

350‌

398‌

Bay

Area

Toll

Auth.,

Toll

Bridge

Revenue

Bonds,

Series S-10,

3.176%,

4/1/41

1,275‌

1,038‌

California,

Build

America,

GO,

7.625%,

3/1/40

1,350‌

1,613‌

Los

Angeles

Airport,

Series C,

Build

America,

7.053%,

5/15/40

700‌

805‌

Regents

the

Univ.

California

Medical

Center

Revenue

Bonds,

Series N,

3.256%,

5/15/60

700‌

453‌

San

Diego

County

Water

Auth.,

Series B,

Build

America,

6.138%,

5/1/49

275‌

282‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

San

Jose

Redev.

Agency,

Senior

Tax

Allocation,

Series A-T,

3.375%,

8/1/34

610‌

577‌

5,166‌

Florida

0.0%

Florida

Dev.

Finance,

Nova

Southeastern

Univ.,

Series B,

4.109%,

4/1/50

1,425‌

1,147‌

Georgia

0.2%

Fulton

County,

Series 2010-B,

Build

America,

GO,

5.148%,

7/1/39

2,660‌

2,704‌

Municipal

Electric

Auth.

Georgia,

Build

America,

Vogtle

Units,

6.655%,

4/1/57

1,692‌

1,846‌

4,550‌

Illinois

0.1%

Chicago

O'Hare

Int'l

Airport,

Series B,

Build

America,

6.395%,

1/1/40

1,350‌

1,488‌

Illinois

Toll

Highway

Auth.,

Series A,

Build

America,

6.184%,

1/1/34

315‌

333‌

Metropolitan

Water

Reclamation

Dist.

Greater

Chicago,

Build

America,

GO,

5.72%,

12/1/38

480‌

497‌

2,318‌

Maryland

0.1%

Maryland

Economic

Dev.,

Seagirt

Marine

Terminal,

Series B,

4.75%,

6/1/42

2,045‌

1,758‌

Michigan

0.1%

Detroit

City

School

Dist.,

Qualified

School

Construction

Bonds,

GO,

6.645%,

5/1/29

1,255‌

1,337‌

Minnesota

0.1%

Western

Minnesota

Municipal

Power

Agency,

Series A,

3.156%,

1/1/39

2,350‌

2,016‌

New

Jersey

0.1%

New

Jersey

Turnpike

Auth.,

Series F,

Build

America,

7.414%,

1/1/40

1,000‌

1,187‌

New

York

0.0%

Dormitory

Auth.

the

State

New

York,

New

York

Univ.,

Series B,

3.879%,

7/1/46

950‌

761‌

Metropolitan

Transportation

Auth.,

Dedicated

Tax

Fund,

Build

America,

7.336%,

11/15/39

125‌

146‌

907‌

Ohio

0.1%

American

Municipal

Power,

Series B,

Build

America,

6.449%,

2/15/44

2,005‌

2,116‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

Texas

0.3%

Central

Texas

Turnpike

System,

Series C,

3.029%,

8/15/41

40‌

31‌

Dallas/Fort

Worth

Int'l

Airport,

Series A,

2.994%,

11/1/38

15‌

13‌

Dallas/Fort

Worth

Int'l

Airport,

Series C,

3.089%,

11/1/40

3,945‌

3,216‌

Grand

Parkway

Transportation,

Series B,

3.236%,

10/1/52

15‌

10‌

Texas

Natural

Gas

Securitization

Fin.,

Series 2023-1,

Class

A2,

5.169%,

4/1/41

705‌

715‌

Texas

Private

Activity

Bond

Surface

Transportation,

North

Tarrant

Express,

Series B,

3.922%,

12/31/49

2,400‌

1,921‌

5,906‌

Virginia

0.0%

Virginia

Public

Building

Auth.,

Series B-2,

Build

America,

5.90%,

8/1/30

540‌

557‌

Wisconsin

0.1%

PFA,

Bayhealth

Medical

Center,

Series B,

3.405%,

7/1/51

2,520‌

1,769‌

Total

Municipal

Securities

(Cost

$34,756)

30,734‌

NON-U.S.

GOVERNMENT

MORTGAGE-BACKED

SECURITIES

4.6%

Collateralized

Mortgage

Obligations

2.6%

Angel

Oak

Mortgage

Trust

Series

2020-6,

Class

A2,

CMO,

ARM,

1.518%,

5/25/65 (1)

231‌

215‌

Angel

Oak

Mortgage

Trust

Series

2021-1,

Class

A1,

CMO,

ARM,

0.909%,

1/25/66 (1)

819‌

731‌

Arroyo

Mortgage

Trust

Series

2019-2,

Class

A2,

CMO,

ARM,

3.498%,

4/25/49 (1)

156‌

153‌

Barclays

Mortgage

Loan

Trust

Series

2021-NQM1,

Class

A3,

CMO,

ARM,

2.189%,

9/25/51 (1)

679‌

631‌

Bayview

Financing

Trust

Series

2024-2F,

Class

CMO,

ARM,

6.537%,

9/25/29,

Acquisition

Date:

8/29/24,

Cost $1,591 (3)(6)

1,591‌

1,596‌

Citigroup

Mortgage

Loan

Trust

Series

2020-EXP2,

Class

A3,

CMO,

ARM,

2.50%,

8/25/50 (1)

1,001‌

890‌

COLT

Mortgage

Loan

Trust

Series

2025-8,

Class

A1,

CMO,

STEP,

5.48%,

8/25/70 (1)

1,921‌

1,944‌

Connecticut

Avenue

Securities

Trust

Series

2023-R04,

Class

1M1,

CMO,

ARM,

SOFR30A

2.30%,

5.997%,

5/25/43 (1)

1,440‌

1,472‌

Deephaven

Residential

Mortgage

Trust

Series

2026-INV1,

Class

A1,

CMO,

ARM,

4.797%,

12/25/70 (1)

1,550‌

1,552‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

EFMT

Series

2025-INV1,

Class

A1,

CMO,

STEP,

5.626%,

3/25/70 (1)

448‌

454‌

EFMT

Series

2025-INV5,

Class

A1,

CMO,

ARM,

5.077%,

12/25/70 (1)

798‌

802‌

EFMT

Series

2025-NQM5,

Class

A1,

CMO,

ARM,

0.00%,

11/25/70 (1)

389‌

391‌

EFMT

Series

2025-NQM6,

Class

A1,

CMO,

ARM,

5.001%,

12/25/70 (1)

561‌

564‌

EFMT

Series

2026-NQM1,

Class

A1F,

CMO,

ARM,

SOFR30A

1.20%,

4.90%,

2/25/71 (1)

1,100‌

Ellington

Financial

Mortgage

Trust

Series

2019-2,

Class

A3,

CMO,

ARM,

3.046%,

11/25/59 (1)

64‌

63‌

Ellington

Financial

Mortgage

Trust

Series

2020-2,

Class

A1,

CMO,

ARM,

1.178%,

10/25/65 (1)

429‌

409‌

Galton

Funding

Mortgage

Trust

Series

2018-1,

Class

A23,

CMO,

ARM,

3.50%,

11/25/57 (1)

32‌

29‌

GCAT

Trust

Series

2025-NQM1,

Class

A1,

CMO,

STEP,

5.373%,

11/25/69 (1)

1,265‌

1,277‌

GCAT

Trust

Series

2025-NQM4,

Class

A1,

CMO,

STEP,

5.529%,

6/25/70 (1)

2,517‌

2,549‌

Mortgage-Backed

Securities

Trust

Series

2020-INV1,

Class

A14,

CMO,

ARM,

2.896%,

10/25/50 (1)

908‌

794‌

Mortgage-Backed

Securities

Trust

Series

2025-NQM3,

Class

A1,

CMO,

STEP,

5.137%,

11/25/65 (1)

1,427‌

1,434‌

HOMES

Trust

Series

2025-NQM4,

Class

A1,

CMO,

ARM,

5.22%,

8/25/70 (1)

2,658‌

2,679‌

JPMorgan

Mortgage

Trust

Series

2019-HYB1,

Class

B4,

CMO,

ARM,

5.038%,

10/25/49 (1)

1,080‌

1,090‌

JPMorgan

Mortgage

Trust

Series

2023-DSC2,

Class

A1,

CMO,

ARM,

5.25%,

11/25/63 (1)

482‌

484‌

JPMorgan

Mortgage

Trust

Series

2025-DSC2,

Class

A1,

CMO,

ARM,

5.195%,

10/25/65 (1)

1,450‌

1,460‌

JPMorgan

Mortgage

Trust

Series

2025-NQM3,

Class

A1,

CMO,

ARM,

5.495%,

11/25/65 (1)

4,027‌

4,072‌

MetLife

Securitization

Trust

Series

2018-1A,

Class

CMO,

ARM,

3.75%,

3/25/57 (1)

551‌

538‌

Morgan

Stanley

Residential

Mortgage

Loan

Trust

Series

2025-DSC2,

Class

A1,

CMO,

ARM,

5.443%,

7/25/70 (1)

365‌

369‌

Morgan

Stanley

Residential

Mortgage

Loan

Trust

Series

2025-NQM5,

Class

A1,

CMO,

ARM,

5.439%,

7/25/70 (1)

323‌

327‌

New

Residential

Mortgage

Loan

Trust

Series

2025-NQM3,

Class

A1,

CMO,

ARM,

5.53%,

5/25/65 (1)

1,108‌

1,125‌

New

Residential

Mortgage

Loan

Trust

Series

2025-NQM4,

Class

A1,

CMO,

ARM,

5.35%,

7/25/65 (1)

3,080‌

3,113‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

NYMT

Loan

Trust

Series

2025-INV1,

Class

A1,

CMO,

STEP,

5.402%,

4/25/60 (1)

1,062‌

1,070‌

NYMT

Loan

Trust

Series

2026-INV1,

Class

A1,

CMO,

ARM,

4.766%,

2/25/61 (1)

100‌

OBX

Trust

Series

2019-EXP3,

Class

1A9,

CMO,

ARM,

3.50%,

10/25/59 (1)

94‌

89‌

OBX

Trust

Series

2019-EXP3,

Class

2A2,

CMO,

ARM,

TSFR

1.214%,

4.887%,

10/25/59 (1)

11‌

OBX

Trust

Series

2025-NQM15,

Class

A1,

CMO,

STEP,

5.143%,

7/27/65 (1)

1,440‌

1,451‌

OBX

Trust

Series

2025-NQM15,

Class

A1F,

CMO,

ARM,

SOFR30A

1.15%,

4.847%,

7/27/65 (1)

758‌

759‌

PENN

Commercial

Mortgage

Trust

Series

2025-P11,

Class

ARM,

5.344%,

8/10/42 (1)

2,820‌

2,900‌

RCKT

Mortgage

Trust

Series

2024-CES9,

Class

A1A,

CMO,STEP,

5.582%,

12/25/44 (1)

270‌

273‌

Santander

Mortgage

Asset

Receivable

Trust

Series

2025-NQM6,

Class

A1,

CMO,

ARM,

5.138%,

11/25/65 (1)

444‌

446‌

Sequoia

Mortgage

Trust

Series

2018-CH2,

Class

A3,

CMO,

ARM,

4.00%,

6/25/48 (1)

76‌

71‌

Sequoia

Mortgage

Trust

Series

2024-HYB1,

Class

A1A,

CMO,

ARM,

4.475%,

11/25/63 (1)

1,162‌

1,168‌

Starwood

Mortgage

Residential

Trust

Series

2019-INV1,

Class

A3,

CMO,

ARM,

2.916%,

9/27/49 (1)

76‌

75‌

Starwood

Mortgage

Residential

Trust

Series

2020-INV1,

Class

A1,

CMO,

ARM,

1.027%,

11/25/55 (1)

151‌

145‌

Structured

Agency

Credit

Risk

Debt

Notes

Series

2021-DNA7,

Class

M1,

CMO,

ARM,

SOFR30A

0.85%,

4.547%,

11/25/41 (1)

231‌

Structured

Agency

Credit

Risk

Debt

Notes

Series

2024-HQA2,

Class

A1,

CMO,

ARM,

SOFR30A

1.25%,

4.947%,

8/25/44 (1)

1,176‌

1,180‌

Structured

Agency

Credit

Risk

Debt

Notes

Series

2025-DNA3,

Class

M1,

CMO,

ARM,

SOFR30A

1.10%,

4.797%,

9/25/45 (1)

1,710‌

1,713‌

Structured

Agency

Credit

Risk

Debt

Notes

Series

2025-HQA1,

Class

A1,

CMO,

ARM,

SOFR30A

0.95%,

4.647%,

2/25/45 (1)

608‌

Towd

Point

Mortgage

Trust

Series

2019-HY3,

Class

M1,

CMO,

ARM,

TSFR

1.614%,

5.287%,

10/25/59 (1)

510‌

514‌

Towd

Point

Mortgage

Trust

Series

2024-2,

Class

A1B,

CMO,

ARM,

4.85%,

12/25/64 (1)

5,454‌

5,514‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

Towd

Point

Mortgage

Trust

Series

2025-1,

Class

A1B,

CMO,

ARM,

4.797%,

6/25/65 (1)

641‌

643‌

Verus

Securitization

Trust

Series

2021-1,

Class

A1,

CMO,

ARM,

0.815%,

1/25/66 (1)

348‌

319‌

Verus

Securitization

Trust

Series

2023-INV1,

Class

A1,

CMO,

STEP,

5.999%,

2/25/68 (1)

1,015‌

1,013‌

Verus

Securitization

Trust

Series

2024-INV1,

Class

A2,

CMO,

STEP,

6.318%,

3/25/69 (1)

1,129‌

1,142‌

Verus

Securitization

Trust

Series

2025-7,

Class

A1F,

CMO,

ARM,

SOFR30A

1.20%,

4.897%,

8/25/70 (1)

2,064‌

2,066‌

57,808‌

Commercial

Mortgage-Backed

Securities

2.0%

BANK

Series

2025-BNK51,

Class

A5,

5.29%,

12/25/67

1,580‌

1,627‌

BANK5

Series

2024-5YR12,

Class

A3,

ARM,

5.902%,

12/15/57

2,490‌

2,620‌

BANK5

Series

2024-5YR8,

Class

AS,

ARM,

6.378%,

8/15/57

1,045‌

1,099‌

BANK5

Series

2025-5YR14,

Class

A3,

5.646%,

4/15/58

3,310‌

3,463‌

BBCMS

Mortgage

Trust

Series

2019-BWAY,

Class

ARM,

TSFR

2.274%,

5.954%,

11/15/34 (1)

545‌

7‌

BBCMS

Mortgage

Trust

Series

2024-5C27,

Class

A3,

6.014%,

7/15/57

410‌

431‌

Benchmark

Mortgage

Trust

Series

2023-B39,

Class

A5,

5.754%,

7/15/56

1,220‌

1,293‌

Benchmark

Mortgage

Trust

Series

2024-V8,

Class

AM,

ARM,

6.628%,

7/15/57

3,465‌

3,673‌

Benchmark

Mortgage

Trust

Series

2025-B41,

Class

A5,

5.407%,

7/15/68

720‌

746‌

Benchmark

Mortgage

Trust

Series

2025-V19,

Class

A3,

5.249%,

1/15/58

235‌

243‌

BMO

Mortgage

Trust

Series

2025-C12,

Class

A5,

ARM,

5.871%,

6/15/58

1,270‌

1,360‌

BMO

Mortgage

Trust

Series

2025-C13,

Class

A5,

5.353%,

10/15/58

1,955‌

2,020‌

Commercial

Mortgage

Trust

Series

2024-SLCT,

Class

ARM,

TSFR

1.323%,

5.004%,

1/15/42 (1)

3,185‌

3,183‌

Trust

Series

2025-ROIC,

Class

ARM,

TSFR

1.144%,

4.824%,

3/15/30 (1)

4,041‌

4,045‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

Trust

Series

2025-VOLT,

Class

ARM,

TSFR

1.70%,

5.38%,

12/15/44 (1)

4,775‌

4,797‌

CENT

Series

2025-CITY,

Class

ARM,

4.92%,

7/10/40 (1)

3,715‌

3,768‌

CONE

Trust

Series

2024-DFW1,

Class

ARM,

TSFR

1.642%,

5.322%,

8/15/41 (1)

685‌

DBC

Mortgage

Trust

Series

2025-DBC,

Class

ARM,

TSFR

1.35%,

5.031%,

11/15/42 (1)

725‌

726‌

Extended

Stay

America

Trust

Series

2025-ESH,

Class

ARM,

TSFR

1.30%,

4.98%,

10/15/42 (1)

935‌

939‌

Hudson

Yards

Mortgage

Trust

Series

2025-SPRL,

Class

ARM,

5.467%,

1/13/40 (1)

2,555‌

2,648‌

JPMorgan

Chase

Commercial

Mortgage

Securities

Trust

Series

2016-NINE,

Class

ARM,

2.854%,

9/6/38 (1)

1,215‌

1,204‌

MAD

Commercial

Mortgage

Trust

Series

2025-11MD,

Class

ARM,

4.912%,

10/15/42 (1)

1,960‌

1,972‌

Morgan

Stanley

Bank

America

Merrill

Lynch

Trust

Series

2025-C35,

Class

A5,

5.633%,

8/15/58

1,600‌

1,691‌

NYC

Commercial

Mortgage

Trust

Series

2025-28L,

Class

ARM,

4.668%,

11/5/38 (1)

140‌

141‌

Trust

Series

2024-HOU,

Class

ARM,

TSFR

1.591%,

5.272%,

6/15/39 (1)

660‌

Commercial

Mortgage

Trust

Series

2024-HQ,

Class

ARM,

6.134%,

3/15/40 (1)

490‌

491‌

Wells

Fargo

Commercial

Mortgage

Trust

Series

2019-C54,

Class

A4,

3.146%,

12/15/52

750‌

718‌

46,250‌

Residential

Mortgage

0.0%

Towd

Point

Mortgage

Trust

Series

2018-1,

Class

A1,

CMO,

ARM,

3.00%,

1/25/58 (1)

13‌

Total

Non-U.S.

Government

Mortgage-Backed

Securities

(Cost

$104,159)

104,071‌

U.S.

GOVERNMENT

AGENCY

MORTGAGE-BACKED

SECURITIES

24.7%

U.S.

Government

Agency

Obligations

19.6%

Federal

Home

Loan

Mortgage

2.50%,

4/1/30

6/1/30

256‌

250‌

3.00%,

12/1/42

4/1/47

2,325‌

2,125‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

3.50%,

3/1/42

3/1/46

1,731‌

1,646‌

4.00%,

9/1/40

8/1/45

620‌

608‌

4.50%,

8/1/39

10/1/41

303‌

305‌

5.00%,

11/1/33

8/1/40

233‌

239‌

5.50%,

1/1/35

12/1/39

63‌

66‌

6.00%,

10/1/32

8/1/38

53‌

56‌

6.50%,

12/1/28

1/1/36

24‌

26‌

7.00%,

11/1/30

6/1/32

2‌

Federal

Home

Loan

Mortgage,

ARM

RFUCCT1Y

1.625%,

6.625%,

4/1/37

14‌

RFUCCT1Y

1.726%,

6.355%,

7/1/35

4‌

RFUCCT1Y

1.75%,

6.75%,

2/1/35

3‌

RFUCCT1Y

1.911%,

6.219%,

12/1/36

8‌

7‌

RFUCCT1Y

1.934%,

6.933%,

2/1/37

3‌

RFUCCT1Y

2.032%,

6.398%,

11/1/36

10‌

Federal

Home

Loan

Mortgage,

UMBS

2.00%,

8/1/36

5/1/52

36,873‌

30,318‌

2.50%,

3/1/42

5/1/52

25,737‌

22,097‌

3.00%,

3/1/35

9/1/52

11,295‌

10,200‌

3.50%,

5/1/31

11/1/54

8,811‌

8,234‌

4.00%,

6/1/37

1/1/56

9,105‌

8,739‌

4.50%,

9/1/37

10/1/53

3,370‌

3,314‌

5.00%,

12/1/41

10/1/55

10,000‌

10,044‌

5.50%,

8/1/53

10/1/55

18,526‌

18,922‌

6.00%,

4/1/54

6/1/55

5,816‌

5,996‌

6.50%,

5/1/54

9/1/55

6,020‌

6,238‌

Federal

Home

Loan

Mortgage

Multifamily

Structured

PTC

2.952%,

2/25/27

120‌

119‌

4.40%,

10/25/30

6,065‌

6,144‌

Federal

Home

Loan

Mortgage

Multifamily

Structured

PTC,

ARM

2.347%,

11/25/31

10,520‌

9,538‌

3.71%,

9/25/32

4,545‌

4,396‌

4.43%,

2/25/33

3,725‌

3,748‌

Federal

National

Mortgage

Assn.

3.50%,

6/1/43

5‌

4‌

4.00%,

11/1/40

279‌

275‌

4.50%,

7/1/40

3‌

Federal

National

Mortgage

Assn.,

ARM

RFUCCT1Y

1.523%,

6.096%,

7/1/35

3‌

RFUCCT1Y

1.599%,

6.242%,

7/1/36

6‌

RFUCCT1Y

1.655%,

6.28%,

8/1/37

2‌

Federal

National

Mortgage

Assn.,

UMBS

1.50%,

4/1/37

1/1/42

5,555‌

4,916‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

2.00%,

8/1/28

5/1/52

83,980‌

70,762‌

2.50%,

5/1/30

1/1/54

46,081‌

39,952‌

3.00%,

10/1/32

9/1/52

25,925‌

23,713‌

3.50%,

11/1/26

5/1/52

22,377‌

21,003‌

4.00%,

6/1/37

9/1/52

13,157‌

12,729‌

4.50%,

9/1/35

7/1/53

10,815‌

10,727‌

5.00%,

11/1/33

1/1/56

8,245‌

8,298‌

5.50%,

12/1/34

12/1/55

25,280‌

25,789‌

6.00%,

2/1/33

10/1/55

30,986‌

32,024‌

6.50%,

1/1/32

7/1/55

7,919‌

8,246‌

7.00%,

2/1/30

11/1/36

6‌

7‌

7.50%,

12/1/30

—‌

UMBS,

TBA (9)

2.00%,

2/1/56

7,120‌

5,773‌

3.00%,

2/1/56

5,545‌

4,912‌

3.50%,

2/1/56

5,100‌

4,716‌

5.00%,

2/1/56

11,545‌

11,539‌

438,810‌

U.S.

Government

Obligations

5.1%

Government

National

Mortgage

Assn.

1.50%,

12/20/36

5/20/37

625‌

568‌

2.00%,

3/20/51

5/20/52

14,399‌

11,979‌

2.50%,

8/20/50

4/20/52

33,944‌

29,410‌

3.00%,

9/15/42

6/20/52

10,934‌

9,906‌

3.50%,

9/15/41

7/20/52

11,094‌

10,390‌

4.00%,

2/15/41

10/20/52

9,309‌

8,932‌

4.50%,

9/15/34

6/20/53

15,055‌

14,863‌

5.00%,

1/20/33

2/20/53

6,168‌

6,245‌

5.50%,

10/20/32

9/20/54

3,533‌

3,608‌

6.00%,

8/15/33

11/20/52

1,477‌

1,528‌

6.50%,

1/15/29

8/15/29

1‌

7.50%,

6/15/26

3/15/32

22‌

23‌

8.50%,

7/20/26

—‌

Government

National

Mortgage

Assn.,

CMO

3.00%,

11/20/47

12/20/47

62‌

57‌

3.50%,

10/20/50

1,015‌

856‌

Government

National

Mortgage

Assn.,

TBA (9)

4.50%,

2/20/56

1,015‌

991‌

5.00%,

2/20/56

5,485‌

5,482‌

5.50%,

2/20/56

7,900‌

7,985‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

6.00%,

2/20/56

780‌

797‌

113,621‌

Total

U.S.

Government

Agency

Mortgage-Backed

Securities

(Cost

$566,409)

552,431‌

U.S.

GOVERNMENT

AGENCY

OBLIGATIONS

(EXCLUDING

MORTGAGE-BACKED)

34.7%

U.S.

Government

Agency

Obligations

0.0%

Federal

National

Mortgage

Assn.,

6.25%,

5/15/29

342‌

369‌

Federal

National

Mortgage

Assn.,

6.625%,

11/15/30 (8)

500‌

561‌

930‌

U.S.

Treasury

Obligations

34.7%

U.S.

Treasury

Bonds,

1.75%,

8/15/41

6,900‌

4,640‌

U.S.

Treasury

Bonds,

1.875%,

2/15/51

2,740‌

1,526‌

U.S.

Treasury

Bonds,

2.00%,

2/15/50

34,340‌

20,067‌

U.S.

Treasury

Bonds,

2.00%,

8/15/51

5,550‌

3,169‌

U.S.

Treasury

Bonds,

2.25%,

8/15/49

50‌

31‌

U.S.

Treasury

Bonds,

2.25%,

2/15/52

7,275‌

4,395‌

U.S.

Treasury

Bonds,

2.375%,

5/15/51

1,420‌

892‌

U.S.

Treasury

Bonds,

2.50%,

2/15/45

3,570‌

2,520‌

U.S.

Treasury

Bonds,

2.50%,

5/15/46

4,840‌

3,349‌

U.S.

Treasury

Bonds,

2.75%,

8/15/47

1,710‌

1,218‌

U.S.

Treasury

Bonds,

3.00%,

11/15/45

2,845‌

2,167‌

U.S.

Treasury

Bonds,

3.00%,

2/15/47

3,450‌

2,591‌

U.S.

Treasury

Bonds,

3.00%,

5/15/47

3,150‌

2,358‌

U.S.

Treasury

Bonds,

3.00%,

2/15/48

15,835‌

11,745‌

U.S.

Treasury

Bonds,

3.00%,

8/15/48

60‌

44‌

U.S.

Treasury

Bonds,

3.00%,

8/15/52

4,200‌

2,994‌

U.S.

Treasury

Bonds,

3.125%,

11/15/41

17,585‌

14,488‌

U.S.

Treasury

Bonds,

3.375%,

8/15/42

2,550‌

2,149‌

U.S.

Treasury

Bonds,

3.625%,

5/15/53

13,045‌

10,499‌

U.S.

Treasury

Bonds,

3.875%,

8/15/40

2,005‌

1,849‌

U.S.

Treasury

Bonds,

3.875%,

5/15/43

8,430‌

7,536‌

U.S.

Treasury

Bonds,

4.00%,

11/15/52

2,540‌

2,192‌

U.S.

Treasury

Bonds,

4.125%,

8/15/44

13,885‌

12,700‌

U.S.

Treasury

Bonds,

4.25%,

2/15/54

7,145‌

6,428‌

U.S.

Treasury

Bonds,

4.25%,

8/15/54 (10)

11,335‌

10,194‌

U.S.

Treasury

Bonds,

4.375%,

5/15/41

20‌

19‌

U.S.

Treasury

Bonds,

4.625%,

5/15/44

14,350‌

14,034‌

U.S.

Treasury

Bonds,

4.625%,

11/15/44

12,435‌

12,134‌

U.S.

Treasury

Bonds,

4.625%,

5/15/54

6,515‌

6,239‌

U.S.

Treasury

Bonds,

4.625%,

2/15/55 (10)

13,300‌

12,737‌

U.S.

Treasury

Bonds,

4.75%,

2/15/41

35‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

U.S.

Treasury

Bonds,

4.75%,

11/15/43

1,250‌

1,245‌

U.S.

Treasury

Bonds,

4.75%,

2/15/45

2,900‌

2,873‌

U.S.

Treasury

Bonds,

4.75%,

11/15/53

10,870‌

10,615‌

U.S.

Treasury

Bonds,

4.75%,

5/15/55

26,205‌

25,611‌

U.S.

Treasury

Bonds,

4.75%,

8/15/55

4,100‌

4,009‌

U.S.

Treasury

Bonds,

4.875%,

8/15/45

23,365‌

23,496‌

U.S.

Treasury

Bonds,

5.00%,

5/15/45

11,910‌

12,171‌

U.S.

Treasury

Notes,

0.50%,

8/31/27

50‌

48‌

U.S.

Treasury

Notes,

2.75%,

8/15/32

2,300‌

2,137‌

U.S.

Treasury

Notes,

3.375%,

5/15/33

885‌

847‌

U.S.

Treasury

Notes,

3.50%,

10/31/27

11,000‌

10,993‌

U.S.

Treasury

Notes,

3.50%,

12/15/28

16,000‌

15,958‌

U.S.

Treasury

Notes,

3.50%,

11/30/30

14,055‌

13,875‌

U.S.

Treasury

Notes,

3.625%,

5/31/28

7,700‌

7,710‌

U.S.

Treasury

Notes,

3.625%,

8/31/30

8,400‌

8,346‌

U.S.

Treasury

Notes,

3.625%,

9/30/30

12,570‌

12,487‌

U.S.

Treasury

Notes,

3.625%,

10/31/30

29,230‌

29,024‌

U.S.

Treasury

Notes,

3.625%,

12/31/30

17,600‌

17,461‌

U.S.

Treasury

Notes,

3.75%,

12/31/28

14,550‌

14,608‌

U.S.

Treasury

Notes,

3.875%,

4/30/30

58,475‌

58,781‌

U.S.

Treasury

Notes,

3.875%,

6/30/30

7,990‌

8,028‌

U.S.

Treasury

Notes,

4.00%,

2/29/28

10,285‌

10,377‌

U.S.

Treasury

Notes,

4.00%,

2/28/30

10,890‌

11,001‌

U.S.

Treasury

Notes,

4.00%,

5/31/30

12,200‌

12,321‌

U.S.

Treasury

Notes,

4.125%,

9/30/27

6,210‌

6,268‌

U.S.

Treasury

Notes,

4.125%,

10/31/27

26,275‌

26,532‌

U.S.

Treasury

Notes,

4.125%,

10/31/29

11,500‌

11,670‌

U.S.

Treasury

Notes,

4.125%,

11/30/29

29,340‌

29,773‌

U.S.

Treasury

Notes,

4.25%,

2/28/29

6,895‌

7,020‌

U.S.

Treasury

Notes,

4.25%,

6/30/29

9,980‌

10,168‌

U.S.

Treasury

Notes,

4.25%,

1/31/30

12,380‌

12,623‌

U.S.

Treasury

Notes,

4.25%,

11/15/34

23,105‌

23,210‌

U.S.

Treasury

Notes,

4.25%,

5/15/35

18,065‌

18,105‌

U.S.

Treasury

Notes,

4.25%,

8/15/35

11,100‌

11,110‌

U.S.

Treasury

Notes,

4.375%,

11/30/28

835‌

852‌

U.S.

Treasury

Notes,

4.375%,

12/31/29

27,220‌

27,873‌

U.S.

Treasury

Notes,

4.375%,

5/15/34

18,400‌

18,696‌

U.S.

Treasury

Notes,

4.50%,

5/31/29

52,695‌

54,087‌

U.S.

Treasury

Notes,

4.50%,

11/15/33

7,900‌

8,110‌

ROWE

PRICE

U.S.

Bond

Index

Fund

Par/Shares

Value

(Amounts

000s)

U.S.

Treasury

Notes,

4.625%,

2/15/35

19,030‌

19,631‌

776,689‌

Total

U.S.

Government

Agency

Obligations

(Excluding

Mortgage-Backed)

(Cost

$811,753)

777,619‌

SHORT-TERM

INVESTMENTS

4.4%

Money

Market

Funds

4.4%

Rowe

Price

Government

Reserve

Fund,

3.76% (11)(12)

97,865‌

Total

Short-Term

Investments

(Cost

$97,865)

97,865‌

SECURITIES

LENDING

COLLATERAL

1.6%

INVESTMENTS

POOLED

ACCOUNT

THROUGH

SECURITIES

LENDING

PROGRAM

WITH

STATE

STREET

BANK

AND

TRUST

COMPANY 1.6%

Money

Market

Funds 1.6%

Rowe

Price

Treasury

Reserve

Fund,

3.74% (11)(12)

35,270‌

Total

Investments

Pooled

Account

through

Securities

Lending

Program

with

State

Street

Bank

and

Trust

Company

35,270‌

Total

Securities

Lending

Collateral

(Cost

$35,270)

35,270‌

Total

Investments

Securities 104.3%

(Cost

$2,393,061)

2,332,714‌

Other

Assets

Less

Liabilities

(4.3)%

(96,048‌)

Net

Assets

100.0%

2,236,666‌

‡

Par/Shares

and

Notional

Amount

are

denominated

U.S.

dollars

unless

otherwise

noted.

(1)

Security

was

purchased

pursuant

Rule

144A

under

the

Securities

Act

1933

and

may

resold

transactions

exempt

from

registration

only

qualified

institutional

buyers.

Total

value

such

securities

period-end

amounts

$311,593

and

represents

13.9%

net

assets.

(2)

All

portion

this

loan

unsettled

January

31,

2026.

The

interest

rate

for

unsettled

loans

will

determined

upon

settlement

after

period

end.

(3)

Level

fair

value

hierarchy.

(4)

Non-income

producing

(5)

Security

has

the

ability

pay

in-kind

pay

cash.

When

applicable,

separate

rates

such

payments

are

disclosed.

ROWE

PRICE

U.S.

Bond

Index

Fund

(6)

Security

cannot

offered

for

public

resale

without

first

being

registered

under

the

Securities

Act

1933

and

rules

("restricted

security").

Acquisition

date

represents

the

day

which

enforceable

right

acquire

such

security

obtained

and

presented

along

with

cost

the

security

description.

The

fund

may

have

registration

rights

for

certain

restricted

securities.

Any

costs

such

registration

are

generally

borne

the

issuer.

The

aggregate

value

restricted

securities

(excluding

144A

holdings)

period

end

amounts

$3,424

and

represents

0.2%

net

assets.

(7)

Security

fix-to-float

security,

which

carries

fixed

coupon

until

certain

date,

upon

which

switches

floating

rate.

Reference

rate

and

spread

are

provided

the

rate

currently

floating.

(8)

All

portion

this

security

loan

January

31,

2026.

(9)

To-Be-Announced

purchase

commitment.

Total

value

such

securities

period-end

amounts

$42,195

and

represents

1.9%

net

assets.

(10)

January

31,

2026,

all

portion

this

security

pledged

collateral

and/or

margin

deposit

cover

future

funding

obligations.

(11)

Seven-day

yield

(12)

Affiliated

Companies

TSFR

One

month

term

SOFR

(Secured

overnight

financing

rate)

TSFR

Three

month

term

SOFR

(Secured

overnight

financing

rate)

ARM

Adjustable

Rate

Mortgage

(ARM);

rate

shown

effective

rate

period-end.

The

rates

for

certain

ARMs

are

not

based

published

reference

rate

and

spread

but

may

determined

using

formula

based

the

rates

the

underlying

loans.

CLO

Collateralized

Loan

Obligation

CMO

Collateralized

Mortgage

Obligation

FRN

Floating

Rate

Note

General

Obligation

PFA

Public

Finance

Authority/Agency

PIK

Payment-in-kind

PTC

Pass-Through

Certificate

PTT

Pass-Through

Trust

RFUCCT1Y

Twelve

month

FTSE

USD

IBOR

Consumer

Cash

Fallback

SOFR30A

30-day

Average

SOFR

(Secured

overnight

financing

rate)

STEP

Stepped

coupon

bond

for

which

the

coupon

rate

interest

adjusts

specified

date(s);

rate

shown

effective

rate

period-end.

TBA

To-Be-Announced

UMBS

Uniform

Mortgage-Backed

Securities

Variable

Rate;

rate

shown

effective

rate

period-end.

The

rates

for

certain

variable

rate

securities

are

not

based

published

reference

rate

and

spread

but

are

determined

the

issuer

agent

and

based

current

market

conditions.

ROWE

PRICE

U.S.

Bond

Index

Fund

(Amounts

000s)

SWAPS

0.1%

Description

Notional

Amount

Value

Initial

Value

Unrealized

Gain/(Loss)

CENTRALLY

CLEARED

SWAPS

0.1%

Credit

Default

Swaps,

Protection

Sold

0.1%

Protection

Sold

(Relevant

Credit:

Markit

CDX.NA.IG-S44,

Year

Index),

Receive

1.00%

Quarterly,

Pay

upon

credit

default,

6/20/30

12,400

290

221

69‌

Protection

Sold

(Relevant

Credit:

Markit

CDX.NA.IG-S45,

Year

Index),

Receive

1.00%

Quarterly,

Pay

upon

credit

default,

12/20/30

95,200

2,254

2,029

225‌

Total

Centrally

Cleared

Credit

Default

Swaps,

Protection

Sold

294‌

Total

Centrally

Cleared

Swaps

294‌

Net

payments

(receipts)

variation

margin

date

(295‌)

Variation

margin

receivable

(payable)

centrally

cleared

swaps

(1‌)

ROWE

PRICE

U.S.

Bond

Index

Fund

The

accompanying

notes

are

integral

part

this

Portfolio

Investments.

AFFILIATED

COMPANIES

($000s)

The

fund

may

invest

certain

securities

that

are

considered

affiliated

companies.

defined

the

1940

Act,

affiliated

company

one

which

the

fund

owns

the

outstanding

voting

securities,

company

that

under

common

ownership

control.

The

following

securities

were

considered

affiliated

companies

for

all

some

portion

the

three

months

ended

January

31,

2026.

Net

realized

gain

(loss),

investment

income,

change

net

unrealized

gain/loss,

and

purchase

and

sales

cost

reflect

all

activity

for

the

period

then

ended.

Affiliate

Net

Realized

Gain

(Loss)

Change

Net

Unrealized

Gain/Loss

Investment

Income

Rowe

Price

Government

Reserve

Fund,

3.76%

—‌

717‌++

Rowe

Price

Treasury

Reserve

Fund,

3.74%

—‌

—‌++

Totals

—‌#

—‌

717‌+

Supplementary

Investment

Schedule

Affiliate

Value

10/31/25

Purchase

Cost

Sales

Cost

Value

1/31/26

Rowe

Price

Government

Reserve

Fund,

3.76%

70,893‌

97,865‌

Rowe

Price

Treasury

Reserve

Fund,

3.74%

—‌

35,270‌

Total

133,135‌^

Capital

gain

distributions

from

underlying

Price

funds

represented

the

net

realized

gain

(loss).

Excludes

earnings

securities

lending

collateral,

which

are

subject

rebates

and

fees.

Investment

income

comprised

$717

dividend

income

and

interest

income.

Purchase

and

sale

information

not

shown

for

cash

management

funds.

The

cost

basis

investments

affiliated

companies

was

$133,135.

ROWE

PRICE

U.S.

Bond

Index

Fund

Unaudited

Notes

Portfolio

Investments

Rowe

Price

U.S.

Bond

Index

Fund,

Inc. (the

corporation)

registered

under

the

Investment

Company

Act

1940

(the

1940

Act). The

U.S.

Bond

Index

Fund

(the

fund)

is an open-end

management

investment

company

established

the

corporation

and

follows

accounting

and

reporting

guidance

the

Financial

Accounting

Standards

Board

Accounting

Standards

Codification

Topic

946.

The

accompanying

Portfolio

Investments

was

prepared

accordance

with

accounting

principles

generally

accepted

the

United

States

America

(GAAP).

For

additional

information

the

fund’s

significant

accounting

policies

and

investment

disclosures,

please

refer

the

fund’s most

recent

semiannual

annual

shareholder

report

and

its

prospectus.

VALUATION

Fair

Value

The

fund’s

financial

instruments

are

valued

the

New

York

Stock

Exchange

(NYSE),

normally

p.m.

Eastern

time,

each

day

the

NYSE

open

for

business,

and

are

reported

fair

value,

which

GAAP

defines

the

price

that

would

received

sell

asset

paid

transfer

liability

orderly

transaction

between

market

participants

the

measurement

date. The fund’s

Board

Directors

(the

Board)

has

designated

Rowe

Price

Associates,

Inc.

the

fund’s

valuation

designee

(Valuation

Designee).

Subject

oversight

the

Board,

the

Valuation

Designee

performs

the

following

functions

performing

fair

value

determinations:

assesses

and

manages

valuation

risks;

establishes

and

applies

fair

value

methodologies;

tests

fair

value

methodologies;

and

evaluates

pricing

vendors

and

pricing

agents.

The

duties

and

responsibilities

the

Valuation

Designee

are

performed

its

Valuation

Committee. The

Valuation

Designee provides

periodic

reporting

the

Board

valuation

matters.

Various

valuation

techniques

and

inputs

are

used

determine

the

fair

value

financial

instruments.

GAAP

establishes

the

following

fair

value

hierarchy

that

categorizes

the

inputs

used

measure

fair

value:

Level

–

quoted

prices

(unadjusted)

active

markets

for

identical

financial

instruments

that

the

fund

can

access

the

reporting

date

Level

–

inputs

other

than

Level

quoted

prices

that

are

observable,

either

directly

indirectly

(including,

but

not

limited

to,

quoted

prices

for

similar

financial

instruments

active

markets,

quoted

prices

for

identical

similar

financial

instruments

inactive

markets,

interest

rates

and

yield

curves,

implied

volatilities,

and

credit

spreads)

ROWE

PRICE

U.S.

Bond

Index

Fund

Level

–

unobservable

inputs

(including

the Valuation

Designee’s assumptions

determining

fair

value)

Observable

inputs

are

developed

using

market

data,

such

publicly

available

information

about

actual

events

transactions,

and

reflect

the

assumptions

that

market

participants

would

use

price

the

financial

instrument.

Unobservable

inputs

are

those

for

which

market

data

are

not

available

and

are

developed

using

the

best

information

available

about

the

assumptions

that

market

participants

would

use

price

the

financial

instrument.

GAAP

requires

valuation

techniques

maximize

the

use

relevant

observable

inputs

and

minimize

the

use

unobservable

inputs.

When

multiple

inputs

are

used

derive

fair

value,

the

financial

instrument

assigned

the

level

within

the

fair

value

hierarchy

based

the

lowest-level

input

that

significant

the

fair

value

the

financial

instrument.

Input

levels

are

not

necessarily

indication

the

risk

liquidity

associated

with

financial

instruments

that

level

but

rather

the

degree

judgment

used

determining

those

values.

Valuation

Techniques

Debt

securities

are

generally traded

the over-the-

counter

(OTC)

market

and

are

valued

prices

furnished

independent

pricing

services

broker

dealers

who

make

markets

such

securities.

When

valuing

securities,

the

independent

pricing

services

consider

factors

such

as,

but

not

limited

to,

the

yield

price

bonds

comparable

quality,

coupon,

maturity,

and

type,

well

prices

quoted

dealers

who

make

markets

such

securities.

Investments

mutual

funds

are

valued

the

mutual

fund’s

closing

NAV

per

the

day

valuation.

Futures

contracts

are

valued

closing

settlement

prices.

Swaps

are

valued

prices

furnished

independent

pricing

service

independent

swap

dealers.

Investments

for

which

market

quotations are

not

readily

available

deemed

unreliable

are

valued

fair

value

determined

good

faith

the

Valuation

Designee.

The

Valuation

Designee

has

adopted

methodologies

for

determining

the

fair

value

investments

for

which

market

quotations

are

not

readily

available

deemed

unreliable,

including

the

use

other

pricing

sources.

Factors

used

determining

fair

value

vary

type

investment

and

may

include

market

investment

specific

considerations.

The

Valuation

Designee typically

will

afford

the

greatest

weight

actual

prices

arm’s

length

transactions,

the

extent

they

represent

orderly

transactions

between

market

participants,

transaction

information

can

reliably

obtained,

and

prices

are

deemed

representative

fair

value.

However,

the

Valuation

Designee may

also

consider

other

valuation

methods

such

market-based

valuation

multiples;

ROWE

PRICE

U.S.

Bond

Index

Fund

discount

premium

from

market

value

similar,

freely

traded

security

the

same

issuer;

discounted

cash

flows;

yield

maturity;

some

combination.

Fair

value

determinations

are

reviewed

regular

basis.

Because

any

fair

value

determination

involves

significant

amount

judgment,

there

degree

subjectivity

inherent

such

pricing

decisions. Fair

value

prices

determined

the

Valuation

Designee could

differ

from

those

other

market

participants,

and

possible

that

the

fair

value

determined

for

security

may

materially

different

from

the

value

that

could

realized

upon

the

sale

that

security.

Valuation

Inputs

The

following

table

summarizes

the

fund’s

financial

instruments,

based

the

inputs

used

determine

their

fair

values

January

31,

2026

(for

further

detail

category,

please

refer

the

accompanying

Portfolio

Investments):

($000s)

Level

Total

Value

Assets

Fixed

Income

Securities

—‌

1,977,583‌

—‌

1,977,583‌

Asset-Backed

Securities

—‌

116,097‌

1,828‌

117,925‌

Non-U.S.

Government

Mortgage-Backed

Securities

—‌

102,475‌

1,596‌

104,071‌

Short-Term

Investments

97,865‌

—‌

97,865‌

Securities

Lending

Collateral

35,270‌

—‌

35,270‌

Total

Securities

133,135‌

2,196,155‌

3,424‌

2,332,714‌

Swaps*

—‌

294‌

—‌

294‌

Futures

Contracts*

68‌

—‌

68‌

Total

133,203‌

2,196,449‌

3,424‌

2,333,076‌

Liabilities

Futures

Contracts*

476‌

—‌

476‌

Includes

Corporate

Bonds,

Foreign

Government

Obligations

Municipalities,

Municipal

Securities,

U.S.

Government

Agency

Mortgage-Backed

Securities

and

U.S.

Government

Agency

Obligations

(Excluding

Mortgage-Backed).

The

fair

value

presented

includes

cumulative

gain

(loss)

open

futures

contracts

and

centrally

cleared

swaps;

however,

the

net

value

reflected

the

accompanying

Portfolio

Investments

only

the

unsettled

variation

margin

receivable

(payable)

that

date.

ROWE

PRICE

U.S.

Bond

Index

Fund

OTHER

MATTERS

Unpredictable environmental,

political,

social

and

economic

events,

including

but

not

limited

to,

environmental

natural

disasters,

war

and

conflict,

terrorism,

geopolitical

and

regulatory

developments

(including

trading

and

tariff

arrangements),

and

public

health

epidemics

threats,

may

significantly

affect

the

economy

and

the

markets

and

issuers

which

fund

invests.

The

extent

and

duration

such

events

and

resulting

market

disruptions

cannot

predicted.

These

and

other

similar

events

may

cause

instability

across

global

markets,

including

reduced

liquidity

and

disruptions

trading

markets,

while

some

events

may

affect

certain

geographic

regions,

countries,

sectors,

and

industries

significantly

than

others,

and

exacerbate

other

pre-

existing

political,

social,

and

economic

risks.

The

fund’s

performance

could

negatively

impacted

the

value

portfolio

holding

were

harmed

these

such

events.

F134-054Q1

01/26