# EDGAR Filing Document

**Accession Number:** 0000889512
**File Stem:** 0001145549-25-050880
**Filing Date:** 2025-8
**Character Count:** 21149
**Document Hash:** ec07654fe7196a8b2fe79565f00718f1
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001145549-25-050880.hdr.sgml**: 20250807

**ACCESSION NUMBER**: 0001145549-25-050880

**CONFORMED SUBMISSION TYPE**: N-MFP3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250731

**FILED AS OF DATE**: 20250807

**DATE AS OF CHANGE**: 20250807

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** LEGG MASON PARTNERS INSTITUTIONAL TRUST
- **CENTRAL INDEX KEY:** 0000889512

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 0831

**FILING VALUES:**
- **FORM TYPE:** N-MFP3
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-06740
- **FILM NUMBER:** 251193539

**BUSINESS ADDRESS:**
- **STREET 1:** LEGG MASON & CO., LLC
- **STREET 2:** 620 EIGHTH AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10018
- **BUSINESS PHONE:** 1-877-721-1926

**MAIL ADDRESS:**
- **STREET 1:** LEGG MASON & CO., LLC
- **STREET 2:** 620 EIGHTH AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10018

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CITIFUNDS INSTITUTIONAL TRUST
- **DATE OF NAME CHANGE:** 19981030

## Series and Classes Contracts Data

### Western Asset Institutional U.S. Treasury Obligations Money Market Fund (Series ID: S000041891)

| Class ID   | Class Name            | Ticker Symbol   |
|:---|:---|:---|
| C000130074 | Institutional Shares  | LUIXX           |
| C000130075 | Administrative Shares | LAOXX           |
| C000130076 | Investor Shares       | LAIXX           |

# Form N-MFP3: Monthly Schedule of Portfolio Holdings

## N-MFP: Filer Information
**Submission Type:** N-MFP3
**CIK:** 0000889512

### General Information

**Report for (YYYY-MM-DD):** 2025-07-31

**Registrant Full Name:** Legg Mason Partners Institutional Trust

**CIK Number of Registrant:** 0000889512

**LEI of Registrant:** 54930003LJE4ZPPMRV82

**Name of Series:** Western Asset Institutional U.S. Treasury Obligations Money Market Fund

**LEI of Series:** 549300P231U63OH0ZT41

**EDGAR Series Identifier:** S000041891

**Total number of share classes in the series:** 3

**Is this the fund's final filing on Form N-MFP?:** No

**Has the fund acquired or merged with another fund?:** No

## Part A: Series-Level Information about the Fund

### Service Providers
| Role                          | Details                                                      | File/CIK Number   |
|:---|:---|:---|
| Investment Adviser            | Franklin Templeton Fund Adviser LLC                          | 801-66785         |
| Independent Public Accountant | PricewaterhouseCoopers LLP<br>City: Baltimore<br>State: MD   |  |
| Transfer Agent                | BNY Mellon Investment Servicing (US) Inc.<br>CIK: 0000849542 | 084-01761         |

### Fund Characteristics & Assets

- **Securities Act File Number:** 033-49552

- **Is this a Feeder Fund?:** Yes

- **Is this a Master Fund?:** No

- **Is this series for insurance company separate accounts?:** No

- **Money Market Fund Category:** Government

- **Is this a Retail Money Market Fund?:** No

- **Is this a Government Money Market Fund?:** No

- **WAM:** 6 days

- **WAL:** 6 days

- **Total Value of Portfolio Securities:** $601539537.61

- **Amortized Cost of Portfolio Securities:** $0.00

- **Cash:** $0.00

- **Total Other Assets:** $43283.36

- **Total Liabilities:** $2364603.49

- **Net Assets of Series:** $599218217.48

- **Number of Shares Outstanding (Series):** 599202869.4800

- **Does the fund seek to maintain a stable price per share?:** Yes

- **Stable Price Per Share:** $1.00

- **Is cash management vehicle an affiliated fund?:** No

- **Does the fund apply liquidity fees?:** No

### Daily & Weekly Liquid Assets
| Date       | Daily Liquid Assets ($)   | Weekly Liquid Assets ($)   | Daily Liquid Assets (%)   | Weekly Liquid Assets (%)   |
|:---|:---|:---|:---|:---|
| 2025-07-01 | $704243758.64             | $704243758.64              | 99.8400%                  | 99.8400%                   |
| 2025-07-02 | $711021351.05             | $711021351.05              | 99.8400%                  | 99.8400%                   |
| 2025-07-03 | $717341176.86             | $717341176.86              | 99.8100%                  | 99.8100%                   |
| 2025-07-07 | $712968229.89             | $712968229.89              | 99.8200%                  | 99.8200%                   |
| 2025-07-08 | $699450912.42             | $699450912.42              | 99.8200%                  | 99.8200%                   |
| 2025-07-09 | $691452857.52             | $691452857.52              | 99.8100%                  | 99.8100%                   |
| 2025-07-10 | $695110903.66             | $695110903.66              | 99.8100%                  | 99.8100%                   |
| 2025-07-11 | $663156927.27             | $663156927.27              | 99.7800%                  | 99.7800%                   |
| 2025-07-14 | $660520314.28             | $660520314.28              | 99.7900%                  | 99.7900%                   |
| 2025-07-15 | $648556099.80             | $648556099.80              | 99.8100%                  | 99.8100%                   |
| 2025-07-16 | $649280624.00             | $649280624.00              | 99.8000%                  | 99.8000%                   |
| 2025-07-17 | $634930750.06             | $634930750.06              | 99.8000%                  | 99.8000%                   |
| 2025-07-18 | $634382591.14             | $634382591.14              | 99.7800%                  | 99.7800%                   |
| 2025-07-21 | $631269653.71             | $631269653.71              | 99.7800%                  | 99.7800%                   |
| 2025-07-22 | $622762586.13             | $622762586.13              | 99.7800%                  | 99.7800%                   |
| 2025-07-23 | $617446065.73             | $617446065.73              | 99.7700%                  | 99.7700%                   |
| 2025-07-24 | $605424619.49             | $605424619.49              | 99.7700%                  | 99.7700%                   |
| 2025-07-25 | $600397555.07             | $600397555.07              | 99.7400%                  | 99.7400%                   |
| 2025-07-28 | $639007969.06             | $639007969.06              | 99.7700%                  | 99.7700%                   |
| 2025-07-29 | $635793282.58             | $635793282.58              | 99.7500%                  | 99.7500%                   |
| 2025-07-30 | $607977432.89             | $607977432.89              | 99.7300%                  | 99.7300%                   |
| 2025-07-31 | $611451819.79             | $611451819.79              | 99.9500%                  | 99.9500%                   |

### 7-Day Gross Yield
| Date       | 7-Day Gross Yield   |
|:---|:---|
| 2025-07-01 | 4.3800%             |
| 2025-07-02 | 4.3800%             |
| 2025-07-03 | 4.3700%             |
| 2025-07-07 | 4.3600%             |
| 2025-07-08 | 4.3600%             |
| 2025-07-09 | 4.3600%             |
| 2025-07-10 | 4.3600%             |
| 2025-07-11 | 4.3500%             |
| 2025-07-14 | 4.3500%             |
| 2025-07-15 | 4.3600%             |
| 2025-07-16 | 4.3600%             |
| 2025-07-17 | 4.3600%             |
| 2025-07-18 | 4.3600%             |
| 2025-07-21 | 4.3500%             |
| 2025-07-22 | 4.3500%             |
| 2025-07-23 | 4.3400%             |
| 2025-07-24 | 4.3400%             |
| 2025-07-25 | 4.3500%             |
| 2025-07-28 | 4.3600%             |
| 2025-07-29 | 4.3600%             |
| 2025-07-30 | 4.3700%             |
| 2025-07-31 | 4.3700%             |

### Daily Net Asset Value per Share (Series)
| Date       | Net Asset Value per Share   |
|:---|:---|
| 2025-07-01 | 1.0000                      |
|  |  |
| 2025-07-02 | 1.0000                      |
|  |  |
| 2025-07-03 | 1.0000                      |
|  |  |
| 2025-07-07 | 1.0000                      |
|  |  |
| 2025-07-08 | 1.0000                      |
|  |  |
| 2025-07-09 | 1.0000                      |
|  |  |
| 2025-07-10 | 1.0000                      |
|  |  |
| 2025-07-11 | 1.0000                      |
|  |  |
| 2025-07-14 | 1.0000                      |
|  |  |
| 2025-07-15 | 1.0000                      |
|  |  |
| 2025-07-16 | 1.0000                      |
|  |  |
| 2025-07-17 | 1.0000                      |
|  |  |
| 2025-07-18 | 1.0000                      |
|  |  |
| 2025-07-21 | 1.0000                      |
|  |  |
| 2025-07-22 | 1.0000                      |
|  |  |
| 2025-07-23 | 1.0000                      |
|  |  |
| 2025-07-24 | 1.0000                      |
|  |  |
| 2025-07-25 | 1.0000                      |
|  |  |
| 2025-07-28 | 1.0000                      |
|  |  |
| 2025-07-29 | 1.0000                      |
|  |  |
| 2025-07-30 | 1.0000                      |
|  |  |
| 2025-07-31 | 1.0000                      |
|  |  |

## Part B: Class-Level Information about the Fund

### Class: 0L

- **Minimum Initial Investment:** $1000000.00

- **Net Assets of Class:** $141245080.28

- **Number of Shares Outstanding:** 141239912.5100

- **Expense Reimbursement/Waiver:** 22099.94

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2025-07-01 | 1.0000          |
|  |  |
| 2025-07-02 | 1.0000          |
|  |  |
| 2025-07-03 | 1.0000          |
|  |  |
| 2025-07-07 | 1.0000          |
|  |  |
| 2025-07-08 | 1.0000          |
|  |  |
| 2025-07-09 | 1.0000          |
|  |  |
| 2025-07-10 | 1.0000          |
|  |  |
| 2025-07-11 | 1.0000          |
|  |  |
| 2025-07-14 | 1.0000          |
|  |  |
| 2025-07-15 | 1.0000          |
|  |  |
| 2025-07-16 | 1.0000          |
|  |  |
| 2025-07-17 | 1.0000          |
|  |  |
| 2025-07-18 | 1.0000          |
|  |  |
| 2025-07-21 | 1.0000          |
|  |  |
| 2025-07-22 | 1.0000          |
|  |  |
| 2025-07-23 | 1.0000          |
|  |  |
| 2025-07-24 | 1.0000          |
|  |  |
| 2025-07-25 | 1.0000          |
|  |  |
| 2025-07-28 | 1.0000          |
|  |  |
| 2025-07-29 | 1.0000          |
|  |  |
| 2025-07-30 | 1.0000          |
|  |  |
| 2025-07-31 | 1.0000          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-07-01 | $31924007.68              | $4810833.08             |
| 2025-07-02 | $571620.30                | $7934438.63             |
| 2025-07-03 | $3350165.36               | $3038.77                |
| 2025-07-07 | $63224.21                 | $7472049.68             |
| 2025-07-08 | $16000.00                 | $3043362.32             |
| 2025-07-09 | $11800.00                 | $4959166.26             |
| 2025-07-10 | $6800.00                  | $49221.02               |
| 2025-07-11 | $129300.00                | $35415566.72            |
| 2025-07-14 | $19941.69                 | $703057.46              |
| 2025-07-15 | $488885.37                | $3361779.47             |
| 2025-07-16 | $6119727.38               | $137510.40              |
| 2025-07-17 | $43245.38                 | $7322783.92             |
| 2025-07-18 | $45153.90                 | $2452104.94             |
| 2025-07-21 | $171233.45                | $24500.00               |
| 2025-07-22 | $89099.72                 | $2443952.77             |
| 2025-07-23 | $88412.75                 | $11452383.80            |
| 2025-07-24 | $310234.93                | $12111028.57            |
| 2025-07-25 | $297280.83                | $997370.80              |
| 2025-07-28 | $3012117.45               | $8846.59                |
| 2025-07-29 | $207254.00                | $4876176.70             |
| 2025-07-30 | $18858565.13              | $27978978.37            |
| 2025-07-31 | $2755368.02               | $5919566.44             |

**Total Gross Subscriptions (Month):** $68579437.55

**Total Gross Redemptions (Month):** $143477716.71

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-07-01 | 4.2000%           |
| 2025-07-02 | 4.2000%           |
| 2025-07-03 | 4.1900%           |
| 2025-07-07 | 4.1800%           |
| 2025-07-08 | 4.1800%           |
| 2025-07-09 | 4.1800%           |
| 2025-07-10 | 4.1800%           |
| 2025-07-11 | 4.1700%           |
| 2025-07-14 | 4.1700%           |
| 2025-07-15 | 4.1800%           |
| 2025-07-16 | 4.1800%           |
| 2025-07-17 | 4.1800%           |
| 2025-07-18 | 4.1800%           |
| 2025-07-21 | 4.1700%           |
| 2025-07-22 | 4.1700%           |
| 2025-07-23 | 4.1600%           |
| 2025-07-24 | 4.1600%           |
| 2025-07-25 | 4.1700%           |
| 2025-07-28 | 4.1800%           |
| 2025-07-29 | 4.1800%           |
| 2025-07-30 | 4.1900%           |
| 2025-07-31 | 4.1900%           |

**Beneficial/Record Owner Categories**
| Category                  | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Broker-dealer             |  | 55.2200%         | 0.0000%              |
| Non-financial corporation |  | 5.8000%          | 0.0000%              |
| Broker-dealer             |  | 13.3100%         | 0.0000%              |
| Non-financial corporation |  | 24.6600%         | 0.0000%              |

### Class: AD

- **Minimum Initial Investment:** $1000000.00

- **Net Assets of Class:** $457337452.50

- **Number of Shares Outstanding:** 457327380.8100

- **Expense Reimbursement/Waiver:** 46365.19

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2025-07-01 | 1.0000          |
|  |  |
| 2025-07-02 | 1.0000          |
|  |  |
| 2025-07-03 | 1.0000          |
|  |  |
| 2025-07-07 | 1.0000          |
|  |  |
| 2025-07-08 | 1.0000          |
|  |  |
| 2025-07-09 | 1.0000          |
|  |  |
| 2025-07-10 | 1.0000          |
|  |  |
| 2025-07-11 | 1.0000          |
|  |  |
| 2025-07-14 | 1.0000          |
|  |  |
| 2025-07-15 | 1.0000          |
|  |  |
| 2025-07-16 | 1.0000          |
|  |  |
| 2025-07-17 | 1.0000          |
|  |  |
| 2025-07-18 | 1.0000          |
|  |  |
| 2025-07-21 | 1.0000          |
|  |  |
| 2025-07-22 | 1.0000          |
|  |  |
| 2025-07-23 | 1.0000          |
|  |  |
| 2025-07-24 | 1.0000          |
|  |  |
| 2025-07-25 | 1.0000          |
|  |  |
| 2025-07-28 | 1.0000          |
|  |  |
| 2025-07-29 | 1.0000          |
|  |  |
| 2025-07-30 | 1.0000          |
|  |  |
| 2025-07-31 | 1.0000          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-07-01 | $6907652.94               | $0.00                   |
| 2025-07-02 | $4216526.27               | $0.00                   |
| 2025-07-03 | $779238.43                | $0.00                   |
| 2025-07-07 | $4792879.70               | $0.00                   |
| 2025-07-08 | $16171263.78              | $0.00                   |
| 2025-07-09 | $0.00                     | $3115871.93             |
| 2025-07-10 | $6572112.95               | $0.00                   |
| 2025-07-11 | $3221261.67               | $0.00                   |
| 2025-07-14 | $0.00                     | $2057950.22             |
| 2025-07-15 | $0.00                     | $9258841.46             |
| 2025-07-16 | $0.00                     | $5317531.35             |
| 2025-07-17 | $0.00                     | $7124941.36             |
| 2025-07-18 | $1764418.53               | $0.00                   |
| 2025-07-21 | $0.00                     | $3389861.56             |
| 2025-07-22 | $0.00                     | $6205958.76             |
| 2025-07-23 | $1060878.19               | $0.00                   |
| 2025-07-24 | $0.00                     | $268006.65              |
| 2025-07-25 | $0.00                     | $4414615.42             |
| 2025-07-28 | $29022699.36              | $0.00                   |
| 2025-07-29 | $0.00                     | $94155.06               |
| 2025-07-30 | $0.00                     | $10706141.83            |
| 2025-07-31 | $5189077.31               | $0.00                   |

**Total Gross Subscriptions (Month):** $79698009.13

**Total Gross Redemptions (Month):** $51953875.60

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-07-01 | 3.9900%           |
| 2025-07-02 | 3.9900%           |
| 2025-07-03 | 3.9800%           |
| 2025-07-07 | 3.9800%           |
| 2025-07-08 | 3.9700%           |
| 2025-07-09 | 3.9700%           |
| 2025-07-10 | 3.9700%           |
| 2025-07-11 | 3.9700%           |
| 2025-07-14 | 3.9700%           |
| 2025-07-15 | 3.9700%           |
| 2025-07-16 | 3.9700%           |
| 2025-07-17 | 3.9700%           |
| 2025-07-18 | 3.9700%           |
| 2025-07-21 | 3.9700%           |
| 2025-07-22 | 3.9600%           |
| 2025-07-23 | 3.9600%           |
| 2025-07-24 | 3.9500%           |
| 2025-07-25 | 3.9700%           |
| 2025-07-28 | 3.9700%           |
| 2025-07-29 | 3.9800%           |
| 2025-07-30 | 3.9800%           |
| 2025-07-31 | 3.9900%           |

**Beneficial/Record Owner Categories**
| Category                                            | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Depository institution or other banking institution |  | 100.0000%        | 0.0000%              |

### Class: 0I

- **Minimum Initial Investment:** $1000000.00

- **Net Assets of Class:** $635684.70

- **Number of Shares Outstanding:** 635576.1600

- **Expense Reimbursement/Waiver:** 2385.76

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2025-07-01 | 1.0002          |
|  |  |
| 2025-07-02 | 1.0002          |
|  |  |
| 2025-07-03 | 1.0002          |
|  |  |
| 2025-07-07 | 1.0002          |
|  |  |
| 2025-07-08 | 1.0002          |
|  |  |
| 2025-07-09 | 1.0002          |
|  |  |
| 2025-07-10 | 1.0002          |
|  |  |
| 2025-07-11 | 1.0002          |
|  |  |
| 2025-07-14 | 1.0002          |
|  |  |
| 2025-07-15 | 1.0002          |
|  |  |
| 2025-07-16 | 1.0002          |
|  |  |
| 2025-07-17 | 1.0002          |
|  |  |
| 2025-07-18 | 1.0002          |
|  |  |
| 2025-07-21 | 1.0002          |
|  |  |
| 2025-07-22 | 1.0002          |
|  |  |
| 2025-07-23 | 1.0002          |
|  |  |
| 2025-07-24 | 1.0002          |
|  |  |
| 2025-07-25 | 1.0002          |
|  |  |
| 2025-07-28 | 1.0002          |
|  |  |
| 2025-07-29 | 1.0002          |
|  |  |
| 2025-07-30 | 1.0002          |
|  |  |
| 2025-07-31 | 1.0002          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-07-01 | $1809.67                  | $338.85                 |

**Total Gross Subscriptions (Month):** $1809.67

**Total Gross Redemptions (Month):** $338.85

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-07-01 | 4.1500%           |
| 2025-07-02 | 4.1500%           |
| 2025-07-03 | 4.1400%           |
| 2025-07-07 | 4.1300%           |
| 2025-07-08 | 4.1300%           |
| 2025-07-09 | 4.1300%           |
| 2025-07-10 | 4.1300%           |
| 2025-07-11 | 4.1200%           |
| 2025-07-14 | 4.1200%           |
| 2025-07-15 | 4.1300%           |
| 2025-07-16 | 4.1300%           |
| 2025-07-17 | 4.1300%           |
| 2025-07-18 | 4.1300%           |
| 2025-07-21 | 4.1200%           |
| 2025-07-22 | 4.1200%           |
| 2025-07-23 | 4.1100%           |
| 2025-07-24 | 4.1100%           |
| 2025-07-25 | 4.1200%           |
| 2025-07-28 | 4.1300%           |
| 2025-07-29 | 4.1400%           |
| 2025-07-30 | 4.1400%           |
| 2025-07-31 | 4.1400%           |

**Beneficial/Record Owner Categories**
| Category                                            | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Broker-dealer                                       |  | 84.3000%         | 0.0000%              |
| Depository institution or other banking institution |  | 15.6800%         | 0.0000%              |

## Part C: Schedule of Portfolio Securities

### Security 1: U.S. Treasury Obligations Portfolio

- **C.1 - Title:** U.S. Treasury Obligations Portfolio
- **C.6 - Investment Category:** Investment Company
- **Identifiers:** C.3 - CUSIP: NA, C.5 - Other ID: LMUSTREASURYOBLI
- **C.18 - Value (incl. sponsor support):** $601539537.61
- **C.18.a - Value (excl. sponsor support):** $601539537.61
- **C.19 - Percentage of Net Assets:** 100.0000%
- **C.17 - Yield as of Reporting Date:** 0.0000%
- **C.11 - Maturity Date (WAM):** 2025-08-01
- **C.12 - Maturity Date (WAL):** 2025-08-01
- **C.13 - Final Legal Maturity Date:** 2025-08-01
- **C.10 - Ratings:** Fitch, Inc.: NR; Moody's Investors Service, Inc.: NR; Standard and Poor's Ratings Services: NR
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

## N-MFP: Signatures

**Registrant:** Legg Mason Partners Institutional Trust

**Date:** 2025-08-07

**By:** /s/Christopher Berarducci

**Name of Signing Officer:** Christopher Berarducci

**Title of Signing Officer:** Principal Financial Officer