ATTACHMENTS / EXHIBITS

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

BITGO HOLDINGS, INC.

(Name of Issuer)

Class A Common Stock, $0.0001 par value per share

(Title of Class of Securities)

(CUSIP Number)

08/27/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No.

Names of Reporting Persons

NYDIG IHC LLC

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

Sec Use Only

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 5,933,577.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 5,933,577.00

Aggregate Amount Beneficially Owned by Each Reporting Person

5,933,577.00

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Percent of class represented by amount in row (9)

5.46 %

Type of Reporting Person (See Instructions)

Comment for Type of Reporting Person: For Box 11, 5.46% was calculated based on 108,690,240 shares of Class A Common Stock outstanding as of August 7, 2026, as reported in the Issuer's Quarterly Report on Form 10-Q for the period ended June 30, 2026 filed with the Securities and Exchange Commission on August 12, 2026.

SCHEDULE 13G

CUSIP No.

Names of Reporting Persons

New York Digital Investment Group LLC

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

Sec Use Only

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 5,933,577.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 5,933,577.00

Aggregate Amount Beneficially Owned by Each Reporting Person

5,933,577.00

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Percent of class represented by amount in row (9)

5.46 %

Type of Reporting Person (See Instructions)

SCHEDULE 13G

CUSIP No.

Names of Reporting Persons

Stone Ridge Holdings Group LP

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

Sec Use Only

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 5,933,577.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 5,933,577.00

Aggregate Amount Beneficially Owned by Each Reporting Person

5,933,577.00

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Percent of class represented by amount in row (9)

5.46 %

Type of Reporting Person (See Instructions)

SCHEDULE 13G

CUSIP No.

Names of Reporting Persons

Stone Ridge Holdings Group (GP) LLC

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

Sec Use Only

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 5,933,577.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 5,933,577.00

Aggregate Amount Beneficially Owned by Each Reporting Person

5,933,577.00

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Percent of class represented by amount in row (9)

5.46 %

Type of Reporting Person (See Instructions)

SCHEDULE 13G

CUSIP No.

Names of Reporting Persons

Ross Stevens

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

Sec Use Only

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 5,933,577.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 5,933,577.00

Aggregate Amount Beneficially Owned by Each Reporting Person

5,933,577.00

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Percent of class represented by amount in row (9)

5.46 %

Type of Reporting Person (See Instructions)

SCHEDULE 13G

Item 1.

(a)

Name of issuer:

BITGO HOLDINGS, INC.

(b)

Address of issuer's principal executive offices:

101 S. Reid Street, Suite 307, PMB# 9793, Sioux Falls, SD, 57108

Item 2.

(a)

Name of person filing:

NYDIG IHC LLC New York Digital Investment Group LLC Stone Ridge Holdings Group LP Stone Ridge Holdings Group (GP) LLC Ross Stevens The shares reported herein are directly held by NYDIG IHC LLC. NYDIG IHC LLC is controlled by New York Digital Investment Group LLC. New York Digital Investment Group LLC is controlled by Stone Ridge Holdings Group LP. Stone Ridge Holdings Group LP is controlled by Stone Ridge Holdings Group (GP) LLC. Stone Ridge Holdings Group (GP) LLC is controlled by Ross Stevens. The Joint Filing Agreement among the Reporting Persons is filed herewith as Exhibit 1. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein except to the extent of its or his pecuniary interest therein.

(b)

Address or principal business office or, if none, residence:

For NYDIG IHC LLC, New York Digital Investment Group LLC, Stone Ridge Holdings Group LP, Stone Ridge Holdings Group (GP) LLC and Ross Stevens: One Vanderbilt Avenue, Floor 65, New York, NY 10017

(c)

Citizenship:

NYDIG IHC LLC: Delaware New York Digital Investment Group LLC: Delaware Stone Ridge Holdings Group LP: Delaware Stone Ridge Holdings Group (GP) LLC: Delaware Ross Stevens: United States

(d)

Title of class of securities:

Class A Common Stock, $0.0001 par value per share

(e)

CUSIP No.:

Item 3.

If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

(a)

Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);

(b)

Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);

(c)

Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);

(d)

Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);

(e)

An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f)

An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g)

A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h)

A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i)

A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j)

A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:

(k)

Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

Item 4.

Ownership

(a)

Amount beneficially owned:

5,933,577

(b)

Percent of class:

5.46 %

(c)

Number of shares as to which the person has:

(i) Sole power to vote or to direct the vote:

(ii) Shared power to vote or to direct the vote:

5,933,577

(iii) Sole power to dispose or to direct the disposition of:

(iv) Shared power to dispose or to direct the disposition of:

5,933,577

Item 5.

Ownership of 5 Percent or Less of a Class.

Item 6.

Ownership of more than 5 Percent on Behalf of Another Person.

Not Applicable

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.

Not Applicable

Item 8.

Identification and Classification of Members of the Group.

Not Applicable

Item 9.

Notice of Dissolution of Group.

Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

NYDIG IHC LLC

Signature:	/s/ Reuben Grinberg
Name/Title:	Reuben Grinberg / Authorized Person
Date:	09/02/2026

New York Digital Investment Group LLC

Signature:	/s/ Reuben Grinberg
Name/Title:	Reuben Grinberg / Authorized Person
Date:	09/02/2026

Stone Ridge Holdings Group LP

Signature:	/s/ Ross Stevens
Name/Title:	Ross Stevens / Manager of Stone Ridge Holdings Group (GP) LLC, its General Partner
Date:	09/02/2026

Stone Ridge Holdings Group (GP) LLC

Signature:	/s/ Ross Stevens
Name/Title:	Ross Stevens / Manager
Date:	09/02/2026

Ross Stevens

Signature:	/s/ Ross Stevens
Name/Title:	Ross Stevens, individually
Date:	09/02/2026

Exhibit Information

Exhibit 1 - Joint Filing Agreement