UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form
CERTIFIED SHAREHOLDER REPORT OF REGISTERED
MANAGEMENT INVESTMENT COMPANIES
Investment Company Act File Number: 811-03326
(Exact Name of Registrant as Specified in Charter)
1585 Broadway, New York, New York 10036
(Address of Principal Executive Offices)
Deidre E. Walsh
One Post Office Square, Boston, Massachusetts 02109
(Name and Address of Agent for Services)
(617) 482-8260
(Registrant’s Telephone Number)
January 31
Date of Fiscal Year End
Date of Reporting Period
Item 1. Reports to Stockholders
(a)
|
Morgan Stanley U.S. Government Money Market Trust |
|
|
Morgan Stanley U.S. Government Money Market Trust |
|

The following tables reflect what the Fund invested in as of the report date.

If you wish to view additional information about the Fund, including the prospectus, statement of additional information, financial statements and holdings, please scan the QR code or visit
The Funds may deliver a single copy of certain required shareholder documents (including prospectuses, shareholder reports, and proxy materials) to investors with the same last name and the same address. Your participation will continue indefinitely unless you instruct otherwise by calling 1-800-869-6397 or by contacting your financial intermediary. Your instruction will typically be effective within 30 days of receipt.
Not FDIC Insured | May Lose Value | No Bank Guarantee
Semi-Annual Shareholder Report July 31, 2026

The following tables reflect what the Fund invested in as of the report date.

If you wish to view additional information about the Fund, including the prospectus, statement of additional information, financial statements and holdings, please scan the QR code or visit
The Funds may deliver a single copy of certain required shareholder documents (including prospectuses, shareholder reports, and proxy materials) to investors with the same last name and the same address. Your participation will continue indefinitely unless you instruct otherwise by calling 1-800-869-6397 or by contacting your financial intermediary. Your instruction will typically be effective within 30 days of receipt.
Not FDIC Insured | May Lose Value | No Bank Guarantee
Semi-Annual Shareholder Report July 31, 2026
(b) Not applicable.
Item 2. Code of Ethics
Not required in this filing.
Item 3. Audit Committee Financial Expert
Not required in this filing.
Item 4. Principal Accountant Fees and Services
Not required in this filing.
Item 5. Audit Committee of Listed Registrants
Not applicable.
Item 6. Schedule of Investments
| (a) | Please see schedule of investments contained in the Financial Statements and Financial Highlights included under Item 7 of this Form N-CSR. |
| (b) | Not applicable. |
Item 7. Financial Statements and Financial Highlights for Open-End Management Investment Companies
|
3
|
||
|
10
|
||
|
11
|
||
|
12
|
||
|
13
|
||
|
23
|
||
|
25
|
||
|
Principal
Amount
(000)
|
|
Annualized
Yield
on Date of
Purchase
|
|
Maturity
Date
|
Value
|
|
|
|
|
Repurchase Agreements (54.9%)
|
|
|
|
|
|
$
|
140,000
|
ABN Amro Securities LLC, (Interest in
$400,000,000 joint repurchase agreement,
3.66% dated 07/31/26 under which ABN Amro
Securities LLC, will repurchase the securities
provided as collateral for $400,122,000 on
08/03/26. The securities provided as collateral
at the end of the period held with BNY Mellon,
tri-party agent, U.S. Government obligations
with various maturities to 05/15/54; valued at
$408,000,091)
|
3.66%
|
|
08/03/26
|
$140,000,000
|
|
|
140,000
|
Bank of America NA - Fixed Income Clearing
Corp., (dated 07/31/26; proceeds
$140,042,700; fully collateralized by various
U.S. Government agency securities, 2.00% -
7.00% due 07/01/41 - 07/01/56; valued at
$144,200,514)
|
3.66
|
|
08/03/26
|
140,000,000
|
|
|
140,000
|
BNP Paribas SA, (Interest in $550,000,000 joint
repurchase agreement, 3.65% dated 07/31/26
under which BNP Paribas SA, will repurchase
the securities provided as collateral for
$550,167,292 on 08/03/26. The securities
provided as collateral at the end of the period
held with BNY Mellon, tri-party agent, were
various U.S. Government agency securities and
U.S. Government obligations with various
maturities to 12/20/65; valued at
$565,743,459)
|
3.65
|
|
08/03/26
|
140,000,000
|
|
Principal
Amount
(000)
|
|
Annualized
Yield
on Date of
Purchase
|
|
Maturity
Date
|
Value
|
|
|
$
|
80,000
|
Sumitomo Mitsui Banking Corp., (dated
07/31/26; proceeds $80,024,333; fully
collateralized by a U.S. Government agency
security, 4.50% due 04/20/54; valued at
$82,425,064)
|
3.65%
|
|
08/03/26
|
$80,000,000
|
|
|
139,000
|
Wells Fargo Securities LLC, (Interest in
$3,400,000,000 joint repurchase agreement,
3.65% dated 07/31/26 under which Wells
Fargo Securities LLC, will repurchase the
securities provided as collateral for
$3,401,034,167 on 08/03/26. The securities
provided as collateral at the end of the period
held with BNY Mellon, tri-party agent, were
various U.S. Government agency securities with
various maturities to 06/20/66; valued at
$3,502,000,000)
|
3.65
|
|
08/03/26
|
139,000,000
|
|
|
|
Total Repurchase Agreements (Cost $639,000,000)
|
639,000,000
|
|||
|
|
|
|
Demand
Date (a)
|
Maturity
Date (b)
|
|
|
|
|
|
U.S. Treasury Securities (25.1%)
|
|
|
|
|
|
|
|
U.S. Treasury Bill
|
|
|
|
|
|
|
3,000
|
(c)
|
3.48
|
—
|
02/18/27
|
2,944,457
|
|
|
6,000
|
(c)(d)
|
3.69
|
—
|
09/01/26
|
5,983,067
|
|
|
7,000
|
(c)
|
3.71
|
—
|
09/03/26
|
6,978,025
|
|
|
3,000
|
(c)
|
3.71
|
—
|
04/15/27
|
2,924,350
|
|
|
1,000
|
(c)
|
3.72
|
—
|
08/18/26
|
998,475
|
|
|
1,000
|
(c)
|
3.72
|
—
|
09/15/26
|
995,637
|
|
|
4,000
|
(c)(d)
|
3.75
|
—
|
09/29/26
|
3,977,097
|
|
|
2,000
|
(c)
|
3.77
|
—
|
09/10/26
|
1,992,178
|
|
|
9,000
|
(c)
|
3.77
|
—
|
11/27/26
|
8,894,150
|
|
|
4,000
|
(c)
|
3.78
|
—
|
12/03/26
|
3,950,386
|
|
|
4,000
|
(c)
|
3.80
|
—
|
12/17/26
|
3,944,391
|
|
|
2,000
|
(c)
|
3.85
|
—
|
11/17/26
|
1,977,917
|
|
|
6,000
|
(c)
|
3.86
|
—
|
09/22/26
|
5,968,445
|
|
|
3,000
|
(c)
|
3.96
|
—
|
11/24/26
|
2,963,730
|
|
|
4,000
|
(c)
|
3.96
|
—
|
01/07/27
|
3,933,188
|
|
|
2,000
|
(c)
|
3.96
|
—
|
01/21/27
|
1,963,568
|
|
|
13,000
|
(c)(d)
|
3.98
|
—
|
12/01/26
|
12,833,467
|
|
|
2,000
|
(c)
|
4.00
|
—
|
01/14/27
|
1,964,786
|
|
|
4,224
|
(c)
|
4.08
|
—
|
01/28/27
|
4,141,289
|
|
Principal
Amount
(000)
|
|
Annualized
Yield
on Date of
Purchase
|
Demand
Date (a)
|
Maturity
Date (b)
|
Value
|
|
|
|
|
U.S. Treasury Floating Rate Note
|
|
|
|
|
|
$
|
12,000
|
3 Month Treasury Money Market Yield + 0.05%
|
3.90(e)%
|
08/03/26
|
07/31/28
|
$12,000,000
|
|
|
12,000
|
3 Month Treasury Money Market Yield + 0.10%
|
3.95(e)
|
08/03/26
|
01/31/28
|
11,999,312
|
|
|
25,000
|
3 Month Treasury Money Market Yield + 0.10%
|
3.96(e)
|
08/03/26
|
04/30/28
|
25,006,503
|
|
|
9,000
|
3 Month Treasury Money Market Yield + 0.16%
|
4.01(e)
|
08/03/26
|
04/30/27
|
9,000,038
|
|
|
17,565
|
3 Month Treasury Money Market Yield + 0.16% (d)
|
4.01(e)
|
08/03/26
|
07/31/27
|
17,567,952
|
|
|
16,000
|
3 Month Treasury Money Market Yield + 0.19%
|
4.04(e)
|
08/03/26
|
10/31/27
|
16,003,456
|
|
|
1,000
|
3 Month Treasury Money Market Yield + 0.21%
|
4.06(e)
|
08/03/26
|
10/31/26
|
1,000,000
|
|
|
|
U.S. Treasury Note
|
|
|
|
|
|
|
2,000
|
|
1.13
|
—
|
10/31/26
|
1,987,736
|
|
|
6,000
|
|
1.25
|
—
|
12/31/26
|
5,943,339
|
|
|
3,000
|
|
1.50
|
—
|
08/15/26
|
2,997,619
|
|
|
1,000
|
|
1.50
|
—
|
01/31/27
|
990,168
|
|
|
1,000
|
|
2.25
|
—
|
02/15/27
|
993,121
|
|
|
3,000
|
|
2.25
|
—
|
08/15/27
|
2,940,631
|
|
|
6,000
|
|
2.75
|
—
|
04/30/27
|
5,957,019
|
|
|
3,000
|
|
3.50
|
—
|
09/30/26
|
2,999,032
|
|
|
2,000
|
|
3.75
|
—
|
08/31/26
|
1,999,450
|
|
|
5,000
|
|
3.75
|
—
|
04/30/27
|
5,000,684
|
|
|
2,000
|
|
3.75
|
—
|
06/30/27
|
1,997,178
|
|
|
3,000
|
|
3.80
|
—
|
05/31/27
|
2,920,813
|
|
|
15,000
|
|
3.88
|
—
|
03/31/27
|
15,032,023
|
|
|
5,000
|
|
3.88
|
—
|
05/31/27
|
5,003,276
|
|
|
1,000
|
|
3.93
|
—
|
06/30/27
|
969,831
|
|
|
3,000
|
|
4.00
|
—
|
01/15/27
|
3,005,997
|
|
|
3,000
|
|
4.13
|
—
|
02/28/27
|
3,009,244
|
|
|
6,000
|
|
4.25
|
—
|
11/30/26
|
6,011,723
|
|
|
11,000
|
|
4.25
|
—
|
03/15/27
|
11,046,569
|
|
|
6,000
|
|
4.38
|
—
|
12/15/26
|
6,015,627
|
|
|
2,000
|
|
4.38
|
—
|
07/15/27
|
2,004,576
|
|
|
11,000
|
|
4.50
|
—
|
04/15/27
|
11,059,278
|
|
|
4,000
|
|
4.50
|
—
|
05/15/27
|
4,022,718
|
|
|
1,400
|
|
4.63
|
—
|
09/15/26
|
1,401,124
|
|
|
4,000
|
|
4.63
|
—
|
10/15/26
|
4,007,319
|
|
|
3,000
|
|
4.63
|
—
|
11/15/26
|
3,008,000
|
|
|
8,000
|
|
4.63
|
—
|
06/15/27
|
8,051,510
|
|
|
|
Total U.S. Treasury Securities (Cost $292,281,469)
|
292,281,469
|
|||
|
Principal
Amount
(000)
|
|
Annualized
Yield
on Date of
Purchase
|
Demand
Date (a)
|
Maturity
Date (b)
|
Value
|
|
|
|
|
U.S. Agency Securities (21.9%)
|
|
|
|
|
|
|
|
Federal Farm Credit Bank
|
|
|
|
|
|
$
|
1,000
|
SOFR + 0.08%
|
3.73(e)%
|
08/03/26
|
03/21/28
|
$999,519
|
|
|
1,000
|
SOFR + 0.09%
|
3.74(e)
|
08/03/26
|
04/07/28
|
999,542
|
|
|
1,000
|
SOFR + 0.09%
|
3.74(e)
|
08/03/26
|
06/02/28
|
1,000,000
|
|
|
1,000
|
Fed Funds Rate + 0.12%
|
3.75(e)
|
08/03/26
|
02/28/28
|
1,000,000
|
|
|
2,000
|
Federal Reserve Bank Prime Loan Rate - 3.00%
|
3.76(e)
|
08/03/26
|
03/27/28
|
1,999,661
|
|
|
1,000
|
Federal Reserve Bank Prime Loan Rate - 3.00%
|
3.76(e)
|
08/03/26
|
06/05/28
|
1,000,000
|
|
|
1,000
|
Federal Reserve Bank Prime Loan Rate - 2.98%
|
3.77(e)
|
08/03/26
|
04/10/28
|
1,000,000
|
|
|
1,000
|
SOFR + 0.12%
|
3.77(e)
|
08/03/26
|
06/26/28
|
1,000,000
|
|
|
1,000
|
SOFR + 0.12%
|
3.77(e)
|
08/03/26
|
07/17/28
|
1,000,000
|
|
|
3,000
|
SOFR + 0.13%
|
3.78(e)
|
08/03/26
|
09/02/27
|
3,000,000
|
|
|
2,000
|
SOFR + 0.13%
|
3.78(e)
|
08/03/26
|
09/22/27
|
2,000,000
|
|
|
1,000
|
SOFR + 0.13%
|
3.78(e)
|
08/03/26
|
10/22/27
|
1,000,000
|
|
|
3,000
|
SOFR + 0.13%
|
3.78(e)
|
08/03/26
|
11/10/27
|
3,000,000
|
|
|
1,000
|
Federal Reserve Bank Prime Loan Rate - 2.97%
|
3.78(e)
|
08/03/26
|
07/06/28
|
1,000,000
|
|
|
2,000
|
SOFR + 0.14%
|
3.79(e)
|
08/03/26
|
09/25/26
|
2,000,000
|
|
|
2,000
|
SOFR + 0.14%
|
3.79(e)
|
08/03/26
|
11/04/26
|
2,000,000
|
|
|
1,000
|
Federal Reserve Bank Prime Loan Rate - 2.96%
|
3.79(e)
|
08/03/26
|
12/22/27
|
1,000,000
|
|
|
1,000
|
Federal Reserve Bank Prime Loan Rate - 2.96%
|
3.79(e)
|
08/03/26
|
06/27/28
|
1,000,000
|
|
|
2,000
|
SOFR + 0.14%
|
3.79(e)
|
08/03/26
|
07/07/28
|
2,000,000
|
|
|
2,000
|
SOFR + 0.15%
|
3.80(e)
|
08/03/26
|
09/03/27
|
2,000,000
|
|
|
1,000
|
SOFR + 0.15%
|
3.80(e)
|
08/03/26
|
10/01/27
|
1,000,000
|
|
|
1,000
|
SOFR + 0.15%
|
3.80(e)
|
08/03/26
|
10/14/27
|
1,000,000
|
|
|
1,000
|
Fed Funds Rate + 0.18%
|
3.81(e)
|
08/03/26
|
09/23/27
|
1,000,000
|
|
|
|
Federal Home Loan Bank
|
|
|
|
|
|
|
1,000
|
|
3.50
|
—
|
12/31/26
|
985,917
|
|
|
2,000
|
|
3.56
|
—
|
09/21/26
|
1,990,499
|
|
|
2,000
|
|
3.57
|
—
|
09/14/26
|
1,991,846
|
|
|
1,000
|
|
3.63
|
—
|
10/08/26
|
993,483
|
|
|
6,000
|
SOFR + 0.01%
|
3.66(e)
|
08/03/26
|
08/13/26
|
6,000,000
|
|
|
5,000
|
SOFR + 0.01%
|
3.66(e)
|
08/03/26
|
08/20/26
|
5,000,000
|
|
|
3,000
|
SOFR + 0.01%
|
3.66(e)
|
08/03/26
|
08/21/26
|
2,999,984
|
|
|
3,000
|
SOFR + 0.01%
|
3.66(e)
|
08/03/26
|
08/25/26
|
2,999,990
|
|
|
3,000
|
SOFR + 0.01%
|
3.66(e)
|
08/03/26
|
09/01/26
|
3,000,000
|
|
|
2,000
|
SOFR + 0.01%
|
3.66(e)
|
08/03/26
|
09/09/26
|
2,000,000
|
|
|
1,000
|
SOFR + 0.03% (d)
|
3.66(e)
|
08/03/26
|
11/09/26
|
1,000,000
|
|
|
1,000
|
SOFR + 0.02%
|
3.67(e)
|
08/03/26
|
08/20/26
|
1,000,000
|
|
|
3,000
|
|
3.67
|
—
|
08/28/26
|
2,992,429
|
|
|
2,000
|
SOFR + 0.02%
|
3.67(e)
|
08/03/26
|
09/03/26
|
2,000,000
|
|
Principal
Amount
(000)
|
|
Annualized
Yield
on Date of
Purchase
|
Demand
Date (a)
|
Maturity
Date (b)
|
Value
|
|
|
$
|
1,000
|
SOFR + 0.02%
|
3.67(e)%
|
08/03/26
|
09/08/26
|
$1,000,000
|
|
|
3,000
|
SOFR + 0.02%
|
3.67(e)
|
08/03/26
|
09/11/26
|
3,000,000
|
|
|
2,000
|
SOFR + 0.02%
|
3.67(e)
|
08/03/26
|
09/15/26
|
2,000,000
|
|
|
3,000
|
SOFR + 0.02%
|
3.67(e)
|
08/03/26
|
09/17/26
|
3,000,000
|
|
|
2,000
|
SOFR + 0.02%
|
3.67(e)
|
08/03/26
|
09/21/26
|
2,000,000
|
|
|
3,000
|
SOFR + 0.02%
|
3.67(e)
|
08/03/26
|
09/22/26
|
3,000,000
|
|
|
5,000
|
SOFR + 0.02%
|
3.67(e)
|
08/03/26
|
10/13/26
|
5,000,000
|
|
|
2,000
|
SOFR + 0.02%
|
3.67(e)
|
08/03/26
|
10/19/26
|
2,000,000
|
|
|
3,000
|
SOFR + 0.02%
|
3.67(e)
|
08/03/26
|
10/20/26
|
3,000,000
|
|
|
3,000
|
SOFR + 0.02%
|
3.67(e)
|
08/03/26
|
11/02/26
|
3,000,000
|
|
|
3,000
|
SOFR + 0.02%
|
3.67(e)
|
08/03/26
|
11/06/26
|
3,000,000
|
|
|
3,000
|
SOFR + 0.02%
|
3.67(e)
|
08/03/26
|
11/09/26
|
3,000,000
|
|
|
3,000
|
|
3.68
|
—
|
10/02/26
|
2,981,935
|
|
|
3,000
|
SOFR + 0.03%
|
3.68(e)
|
08/03/26
|
10/14/26
|
3,000,000
|
|
|
1,000
|
SOFR + 0.03%
|
3.68(e)
|
08/03/26
|
10/16/26
|
1,000,000
|
|
|
3,000
|
SOFR + 0.03%
|
3.68(e)
|
08/03/26
|
10/20/26
|
3,000,000
|
|
|
3,000
|
SOFR + 0.03%
|
3.68(e)
|
08/03/26
|
10/22/26
|
3,000,000
|
|
|
6,000
|
SOFR + 0.03%
|
3.68(e)
|
08/03/26
|
10/26/26
|
6,000,000
|
|
|
6,000
|
SOFR + 0.03%
|
3.68(e)
|
08/03/26
|
10/27/26
|
6,000,000
|
|
|
3,000
|
SOFR + 0.03%
|
3.68(e)
|
08/03/26
|
11/30/26
|
3,000,000
|
|
|
3,000
|
SOFR + 0.03%
|
3.68(e)
|
08/03/26
|
12/09/26
|
3,000,000
|
|
|
3,000
|
SOFR + 0.03%
|
3.68(e)
|
08/03/26
|
12/22/26
|
3,000,000
|
|
|
2,000
|
|
3.69
|
—
|
09/10/26
|
1,992,337
|
|
|
6,000
|
|
3.69
|
—
|
09/25/26
|
5,967,950
|
|
|
4,000
|
SOFR + 0.04%
|
3.69(e)
|
08/03/26
|
10/16/26
|
4,000,000
|
|
|
5,000
|
SOFR + 0.04%
|
3.69(e)
|
08/03/26
|
11/09/26
|
5,000,000
|
|
|
5,000
|
SOFR + 0.04%
|
3.69(e)
|
08/03/26
|
11/16/26
|
5,000,000
|
|
|
2,000
|
SOFR + 0.04%
|
3.69(e)
|
08/03/26
|
11/17/26
|
2,000,000
|
|
|
3,000
|
SOFR + 0.04%
|
3.69(e)
|
08/03/26
|
12/01/26
|
3,000,000
|
|
|
3,000
|
SOFR + 0.04%
|
3.69(e)
|
08/03/26
|
12/29/26
|
3,000,000
|
|
|
3,000
|
SOFR + 0.04%
|
3.69(e)
|
08/03/26
|
01/06/27
|
3,000,000
|
|
|
3,000
|
SOFR + 0.04%
|
3.69(e)
|
08/03/26
|
01/21/27
|
3,000,000
|
|
|
1,000
|
SOFR + 0.04%
|
3.69(e)
|
08/03/26
|
02/01/27
|
1,000,000
|
|
|
2,000
|
|
3.70
|
—
|
12/24/26
|
1,971,301
|
|
|
2,000
|
SOFR + 0.05%
|
3.70(e)
|
08/03/26
|
12/28/26
|
2,000,000
|
|
|
2,000
|
SOFR + 0.05%
|
3.70(e)
|
08/03/26
|
01/08/27
|
2,000,000
|
|
|
3,000
|
|
3.70
|
—
|
01/15/27
|
2,950,500
|
|
|
3,000
|
SOFR + 0.05%
|
3.70(e)
|
08/03/26
|
01/19/27
|
3,000,000
|
|
|
5,000
|
SOFR + 0.05%
|
3.70(e)
|
08/03/26
|
02/01/27
|
5,000,000
|
|
|
5,000
|
SOFR + 0.05%
|
3.70(e)
|
08/03/26
|
02/05/27
|
5,000,000
|
|
Principal
Amount
(000)
|
|
Annualized
Yield
on Date of
Purchase
|
Demand
Date (a)
|
Maturity
Date (b)
|
Value
|
|
|
$
|
1,000
|
SOFR + 0.09%
|
3.74(e)%
|
08/03/26
|
06/01/28
|
$1,000,000
|
|
|
1,000
|
SOFR + 0.09%
|
3.74(e)
|
08/03/26
|
06/05/28
|
1,000,000
|
|
|
1,000
|
SOFR + 0.09%
|
3.74(e)
|
08/03/26
|
06/08/28
|
1,000,000
|
|
|
2,000
|
SOFR + 0.09%
|
3.74(e)
|
08/03/26
|
06/09/28
|
2,000,000
|
|
|
1,000
|
SOFR + 0.11%
|
3.76(e)
|
08/03/26
|
07/15/27
|
999,899
|
|
|
2,000
|
SOFR + 0.12%
|
3.77(e)
|
08/03/26
|
07/21/28
|
2,000,000
|
|
|
1,000
|
SOFR + 0.13%
|
3.78(e)
|
08/03/26
|
07/28/28
|
1,000,000
|
|
|
1,000
|
|
3.80
|
—
|
05/18/27
|
970,720
|
|
|
12,000
|
|
3.82
|
—
|
09/18/26
|
11,941,733
|
|
|
2,000
|
SOFR + 0.17%
|
3.82(e)
|
08/03/26
|
09/24/27
|
2,000,000
|
|
|
2,000
|
SOFR + 0.18%
|
3.83(e)
|
08/03/26
|
09/21/27
|
2,000,000
|
|
|
1,000
|
|
3.84
|
—
|
05/20/27
|
970,194
|
|
|
1,000
|
|
3.93
|
—
|
08/19/26
|
998,320
|
|
|
3,000
|
|
3.95
|
—
|
02/18/27
|
2,935,905
|
|
|
|
Federal Home Loan Mortgage Corp.
|
|
|
|
|
|
|
1,000
|
SOFR + 0.14%
|
3.79(e)
|
08/03/26
|
09/22/27
|
1,000,000
|
|
|
6,000
|
SOFR + 0.14%
|
3.79(e)
|
08/03/26
|
10/06/27
|
6,000,000
|
|
|
1,000
|
SOFR + 0.22%
|
3.87(e)
|
08/03/26
|
07/07/28
|
1,001,780
|
|
|
|
Federal National Mortgage Association
|
|
|
|
|
|
|
2,000
|
SOFR + 0.09%
|
3.74(e)
|
08/03/26
|
02/02/28
|
2,000,000
|
|
|
1,000
|
SOFR + 0.09%
|
3.74(e)
|
08/03/26
|
04/06/28
|
1,000,000
|
|
|
5,000
|
SOFR + 0.09%
|
3.74(e)
|
08/03/26
|
05/08/28
|
5,000,000
|
|
|
6,000
|
SOFR + 0.09%
|
3.74(e)
|
08/03/26
|
06/08/28
|
6,000,000
|
|
|
2,000
|
SOFR + 0.14%
|
3.79(e)
|
08/03/26
|
10/23/26
|
2,000,000
|
|
|
2,000
|
SOFR + 0.14%
|
3.79(e)
|
08/03/26
|
11/20/26
|
2,000,000
|
|
|
4,000
|
SOFR + 0.14%
|
3.79(e)
|
08/03/26
|
12/11/26
|
4,000,000
|
|
|
|
Total U.S. Agency Securities (Cost $254,635,444)
|
254,635,444
|
|||
|
|
|
Total Investments (Cost $1,185,916,913)(f)(g)
|
101.9%
|
1,185,916,913
|
||
|
|
|
Liabilities in Excess of Other Assets
|
(1.9)
|
(22,499,800)
|
||
|
|
|
Net Assets
|
100.0%
|
$1,163,417,113
|
||
|
SOFR
|
Secured Overnight Financing Rate.
|
|
(a)
|
Date of next interest rate reset. Principal owed can be recovered on demand on the
interest reset date.
|
|
(b)
|
The date disclosed is the final maturity date.
|
|
(c)
|
Rate shown is the yield to maturity at July 31, 2026.
|
|
(d)
|
All or a portion of the security is subject to delayed delivery.
|
|
(e)
|
Floating or variable rate securities: The rates disclosed are as of July 31, 2026.
For securities based on a published reference rate and
spread, the reference rate and spread are indicated in the description in the Portfolio
of Investments. Certain variable rate securities may not
be based on a published reference rate and spread but are determined by the issuer
or agent and are based on current market conditions.
These securities do not indicate a reference rate and spread in their description
in the Portfolio of Investments.
|
|
(f)
|
Securities are available for collateral in connection with securities purchased on
a forward commitment basis.
|
|
(g)
|
The aggregate cost for federal income tax purposes approximates the aggregate cost
for book purposes.
|
|
Portfolio Composition
|
|
|
Classification
|
Percentage of
Total Investments
|
|
Repurchase Agreements
|
53.9
%
|
|
U.S. Treasury Securities
|
24.6
|
|
U.S. Agency Securities
|
21.5
|
|
Total Investments
|
100.0
%
|
|
Assets:
|
|
|
Investments in securities, at value (cost $1,185,916,913, including value of repurchase
agreements of
$639,000,000)
|
$1,185,916,913
|
|
Cash
|
354,587
|
|
Receivable for:
|
|
|
Shares of beneficial interest sold
|
6,564,790
|
|
Interest
|
2,306,210
|
|
Investments sold
|
1,976,317
|
|
Prepaid expenses and other assets
|
107,838
|
|
Total Assets
|
1,197,226,655
|
|
Liabilities:
|
|
|
Payable for:
|
|
|
Investments purchased
|
25,797,415
|
|
Shares of beneficial interest redeemed
|
7,470,396
|
|
Advisory fee
|
159,511
|
|
Shareholder services fee
|
106,341
|
|
Administration fee
|
53,170
|
|
Trustees' fees
|
32,722
|
|
Transfer agency fees
|
9,802
|
|
Accrued expenses and other payables
|
180,185
|
|
Total Liabilities
|
33,809,542
|
|
Net Assets
|
$1,163,417,113
|
|
Composition of Net Assets:
|
|
|
Paid-in-Capital
|
$1,163,402,300
|
|
Total Distributable Earnings
|
14,813
|
|
Net Assets
|
$1,163,417,113
|
|
R Class Shares:
|
|
|
Net Assets
|
$422,299,681
|
|
Shares Outstanding (unlimited shares authorized, $0.01 par value)
|
422,391,953
|
|
Net Asset Value Per Share
|
$1.00
|
|
S Class Shares:
|
|
|
Net Assets
|
$741,117,432
|
|
Shares Outstanding (unlimited shares authorized, $0.01 par value)
|
741,011,210
|
|
Net Asset Value Per Share
|
$1.00
|
|
Net Investment Income:
|
|
|
Interest Income
|
$21,915,288
|
|
Expenses
|
|
|
Advisory fee (Note 3)
|
887,314
|
|
Shareholder services fee (Note 4)
|
591,542
|
|
Administration fee (Note 3)
|
295,771
|
|
Professional fees
|
143,902
|
|
Transfer agency fees (Note 5)
|
70,920
|
|
Registration fees
|
33,037
|
|
Shareholder reports and notices
|
19,162
|
|
Custodian fees (Note 6)
|
16,160
|
|
Trustees' fees and expenses
|
8,239
|
|
Interest Expenses
|
980
|
|
Other
|
27,764
|
|
Total Expenses
|
2,094,791
|
|
Net Investment Income
|
19,820,497
|
|
Net Realized Loss
|
(5,163)
|
|
Net Increase in Net Assets Resulting from Operations
|
$19,815,334
|
|
|
For The Six
Months Ended
July 31, 2026
|
For The Year
Ended
January 31, 2026
|
|
|
(unaudited)
|
|
|
Increase (Decrease) in Net Assets:
|
|
|
|
Operations:
|
|
|
|
Net investment income
|
$19,820,497
|
$45,503,500
|
|
Net realized gain (loss)
|
(5,163)
|
43,472
|
|
Net Increase in Net Assets Resulting from Operations
|
19,815,334
|
45,546,972
|
|
Distributions to Shareholders from:
|
|
|
|
Net Investment Income
|
|
|
|
R Class
|
(7,032,030)
|
(16,790,663)
|
|
S Class
|
(12,788,467)
|
(28,712,837)
|
|
Total Distributions to Shareholders
|
(19,820,497)
|
(45,503,500)
|
|
Net increase from transactions in shares of beneficial interest
|
24,459,899
|
53,434,104
|
|
Net Increase
|
24,454,736
|
53,477,576
|
|
Net Assets:
|
|
|
|
Beginning of period
|
1,138,962,377
|
1,085,484,801
|
|
End of Period
|
$1,163,417,113
|
$1,138,962,377
|
|
Investment Type
|
Level 1
Unadjusted
quoted
prices
|
Level 2
Other
significant
observable
inputs
|
Level 3
Significant
unobservable
inputs
|
Total
|
|
Assets:
|
||||
|
Repurchase Agreements
|
$—
|
$639,000,000
|
$—
|
$639,000,000
|
|
U.S. Treasury Securities
|
—
|
292,281,469
|
—
|
292,281,469
|
|
U.S. Agency Securities
|
—
|
254,635,444
|
—
|
254,635,444
|
|
Total Assets
|
$—
|
$1,185,916,913
|
$—
|
$1,185,916,913
|
|
|
For the Six Months
Ended
July 31, 2026
|
For the Year
Ended
January 31, 2026
|
||
|
|
(unaudited)
|
|||
|
|
Shares
|
Amount
|
Shares
|
Amount
|
|
R CLASS SHARES
|
|
|
|
|
|
Sold
|
931,531,362
|
$931,531,362
|
1,645,415,818
|
$1,645,415,818
|
|
Reinvestment of dividends
|
6,940,224
|
6,940,224
|
16,790,254
|
16,790,254
|
|
Redeemed
|
(912,514,133)
|
(912,514,133)
|
(1,656,084,614)
|
(1,656,084,614)
|
|
Net increase — R Class
|
25,957,453
|
25,957,453
|
6,121,458
|
6,121,458
|
|
S CLASS SHARES
|
|
|
|
|
|
Sold
|
377,406,715
|
377,406,715
|
807,465,440
|
807,465,440
|
|
Reinvestment of dividends
|
12,707,356
|
12,707,356
|
28,421,867
|
28,421,867
|
|
Redeemed
|
(391,611,625)
|
(391,611,625)
|
(788,574,661)
|
(788,574,661)
|
|
Net increase (decrease) — S Class
|
(1,497,554)
|
(1,497,554)
|
47,312,646
|
47,312,646
|
|
Net increase in Fund
|
24,459,899
|
$ 24,459,899
|
53,434,104
|
$ 53,434,104
|
|
2026 Distributions Paid From:
|
2025 Distributions Paid From:
|
|
Ordinary
Income
|
Ordinary
Income
|
|
$45,503,500
|
$48,770,662
|
|
|
|
|
Undistributed
Ordinary
Income
|
Undistributed
Long-Term
Capital Gain
|
|
$128,735
|
$—
|
|
|
For the Six
Months Ended
July 31, 2026
|
For the year ended January 31
|
||||
|
|
2026
|
2025
|
2024
|
2023
|
2022
|
|
|
|
(unaudited)
|
|
||||
|
R Class Shares
|
|
|
|
|
|
|
|
Selected Per Share Data:
|
|
|
|
|
|
|
|
Net asset value, beginning of period
|
$1.00
|
$1.00
|
$1.00
|
$1.00
|
$1.00
|
$1.00
|
|
Income (loss) from investment operations:
|
|
|
|
|
|
|
|
Net investment income
|
0.017
|
0.039
|
0.048
|
0.048
|
0.017
|
0.000
(1)
|
|
Net realized gain (loss)
|
(0.000
)(1)
|
0.000
(1)
|
0.000
(1)
|
(0.000
)(1)
|
(0.000
)(1)
|
0.000
(1)
|
|
Total income from investment operations
|
0.017
|
0.039
|
0.048
|
0.048
|
0.017
|
0.000
(1)
|
|
Less distributions from:
|
|
|
|
|
|
|
|
Net investment income
|
(0.017
)
|
(0.039
)
|
(0.048
)
|
(0.048
)
|
(0.017
)
|
(0.000
)(1)
|
|
Net asset value, end of period
|
$1.00
|
$1.00
|
$1.00
|
$1.00
|
$1.00
|
$1.00
|
|
Total Return
|
1.68
%(2)
|
3.94
%
|
4.88
%
|
4.93
%(3)
|
1.70
%
|
0.01
%
|
|
Ratios to Average Net Assets:
|
|
|
|
|
|
|
|
Net expenses
|
0.35
%(4)
|
0.36
%
|
0.35
%
|
0.34
%(5)
|
0.32
%(6)
|
0.06
%(6)
|
|
Expenses After Expense Limitation Excluding Interest
Expenses
|
0.35
%(4)
|
N/A
|
N/A
|
N/A
|
N/A
|
N/A
|
|
Net investment income
|
3.37
%(4)
|
3.86
%
|
4.78
%
|
4.86
%(5)
|
1.68
%(6)
|
0.01
%(6)
|
|
Supplemental Data:
|
|
|
|
|
|
|
|
Net assets, end of period, in millions
|
$422
|
$396
|
$390
|
$390
|
$526
|
$566
|
|
(1)
|
Amount is less than $0.001.
|
|
(2)
|
Not annualized.
|
|
(3)
|
Reflects prior period transfer agency fees that were reimbursed in 2023. The amount
of the reimbursement was immaterial on a per share basis
and the impact was less than 0.005% to the total return of R Class shares.
|
|
(4)
|
Annualized.
|
|
(5)
|
If the Fund had not received the reimbursement of transfer agency fees from the Adviser,
the net expenses and net investment income ratios,
would have been as follows for R Class shares:
|
|
Period Ended
|
Expense
Ratio
|
Net Investment
Income Ratio
|
|
January 31, 2024
|
0.36
%
|
4.84
%
|
|
|
|
|
|
|
|
|
|
(6)
|
If the Fund had borne all of its expenses that were reimbursed or waived by the Distributor
and/or Adviser/Administrator, the net expenses and
net investment income (loss) ratios would have been as follows for R Class shares:
|
|
Period Ended
|
Expense
Ratio
|
Net Investment
Income (Loss) Ratio
|
|
January 31, 2023
|
0.36
%
|
1.64
%
|
|
January 31, 2022
|
0.36
|
(0.29
)
|
|
|
For the Six
Months Ended
July 31, 2026
|
For the year ended January 31
|
||||
|
|
2026
|
2025
|
2024
|
2023
|
2022
|
|
|
|
(unaudited)
|
|
||||
|
S Class Shares
|
|
|
|
|
|
|
|
Selected Per Share Data:
|
|
|
|
|
|
|
|
Net asset value, beginning of period
|
$1.00
|
$1.00
|
$1.00
|
$1.00
|
$1.00
|
$1.00
|
|
Income (loss) from investment operations
|
|
|
|
|
|
|
|
Net investment income
|
0.017
|
0.039
|
0.048
|
0.048
|
0.017
|
0.000
(1)
|
|
Net realized gain (loss)
|
(0.000
)(1)
|
0.000
(1)
|
0.000
(1)
|
(0.000
)(1)
|
(0.000
)(1)
|
0.000
(1)
|
|
Total income from investment operations
|
0.017
|
0.039
|
0.048
|
0.048
|
0.017
|
0.000
(1)
|
|
Less distributions from:
|
|
|
|
|
|
|
|
Net investment income
|
(0.017
)
|
(0.039
)
|
(0.048
)
|
(0.048
)
|
(0.017
)
|
(0.000
)(1)
|
|
Net asset value, end of period
|
$1.00
|
$1.00
|
$1.00
|
$1.00
|
$1.00
|
$1.00
|
|
Total Return
|
1.68
%(2)
|
3.94
%
|
4.88
%
|
4.93
%(3)
|
1.70
%
|
0.01
%
|
|
Ratios to Average Net Assets:
|
|
|
|
|
|
|
|
Net expenses
|
0.35
%(4)
|
0.36
%
|
0.35
%
|
0.34
%(5)
|
0.32
%(6)
|
0.06
%(6)
|
|
Expenses After Expense Limitation Excluding Interest
Expenses
|
0.35
%(4)
|
N/A
|
N/A
|
N/A
|
N/A
|
N/A
|
|
Net investment income
|
3.37
%(4)
|
3.86
%
|
4.78
%
|
4.86
%(5)
|
1.68
%(6)
|
0.01
%(6)
|
|
Supplemental Data:
|
|
|
|
|
|
|
|
Net assets, end of period, in millions
|
$741
|
$743
|
$695
|
$565
|
$177
|
$119
|
|
(1)
|
Amount is less than $0.001.
|
|
(2)
|
Not annualized.
|
|
(3)
|
Reflects prior period transfer agency fees that were reimbursed in 2023. The amount
of the reimbursement was immaterial on a per share basis
and the impact was less than 0.005% to the total return of S Class shares.
|
|
(4)
|
Annualized.
|
|
(5)
|
If the Fund had not received the reimbursement of transfer agency fees from the Adviser,
the net expenses and net investment income ratios,
would have been as follows for S Class shares:
|
|
Period Ended
|
Expense
Ratio
|
Net Investment
Income Ratio
|
|
January 31, 2024
|
0.36
%
|
4.84
%
|
|
|
|
|
|
|
|
|
|
(6)
|
If the Fund had borne all of its expenses that were reimbursed or waived by the Distributor
and/or Adviser/Administrator, the net expenses and
net investment income (loss) ratios would have been as follows for S Class shares:
|
|
Period Ended
|
Expense
Ratio
|
Net Investment
Income (Loss) Ratio
|
|
January 31, 2023
|
0.36
%
|
1.64
%
|
|
January 31, 2022
|
0.36
|
(0.29
)
|
Item 8. Changes in and Disagreements with Accountants for Open-End Management Investment Companies
Not applicable.
Item 9. Proxy Disclosures for Open-End Management Investment Companies
Not applicable.
Item 10. Remuneration Paid to Directors, Officers, and Others of Open-End Management Investment Companies
The information is disclosed as part of the Financial Statements included in Item 7 of this Form N-CSR.
Item 11. Statement Regarding Basis for Approval of Investment Advisory Contract
This information is disclosed as part of the Financial Statements and Additional Information under Item 7 of this Form N-CSR.
Item 12. Disclosure of Proxy Voting Policies and Procedures for Closed-End Management Investment Companies
Not applicable.
Item 13. Portfolio Managers of Closed-End Management Investment Companies
Not applicable.
Item 14. Purchases of Equity Securities by Closed-End Management Investment Company and Affiliated Purchasers
Not applicable.
Item 15. Submission of Matters to a Vote of Security Holders
There have been no material changes to the procedures by which shareholders may recommend nominee to the Fund’s Board of Trustees since the Fund last provided disclosure in response to this item.
Item 16. Controls and Procedures
| (a) | It is the conclusion of the registrant’s principal executive officer and principal financial officer that the effectiveness of the registrant’s current disclosure controls and procedures (such disclosure controls and procedures having been evaluated within 90 days of the date of this filing) provide reasonable assurance that the information required to be disclosed by the registrant has been recorded, processed, summarized and reported within the time period specified in the Commission’s rules and forms and that the information required to be disclosed by the registrant has been accumulated and communicated to the registrant’s principal executive officer and principal financial officer in order to allow timely decisions regarding required disclosure. |
| (b) | There have been no changes in the registrant’s internal controls over financial reporting during the period covered by this report that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting. |
Item 17. Disclosure of Securities Lending Activities for Closed-End Management Investment Companies
Not applicable.
Item 18. Recovery of Erroneously Awarded Compensation
Not applicable.
Item 19. Exhibits
| (a)(1) | Registrant’s Code of Ethics – Not applicable (please see Item 2). |
| (a)(2)(i) | Principal Financial Officer’s Section 302 certification. |
| (a)(2)(ii) | Principal Executive Officer’s Section 302 certification. |
| (b) | Combined Section 906 certification. |
Signatures
Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
Morgan Stanley U.S. Government Money Market Trust
| By: | /s/ John H. Gernon | |
| John H. Gernon | ||
| Principal Executive Officer | ||
| Date: | September 17, 2026 |
Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.
| By: | /s/ James F. Kirchner | |
| James F. Kirchner | ||
| Principal Financial Officer | ||
| Date: | September 17, 2026 | |
| By: | /s/ John H. Gernon | |
| John H. Gernon | ||
| Principal Executive Officer | ||
| Date: | September 17, 2026 |