# EDGAR Filing Document

**Accession Number:** 0000889512
**File Stem:** 0001193125-25-309412
**Filing Date:** 2025-12
**Character Count:** 16421
**Document Hash:** 85fdfbfa5b567c292db0b190a7d9fbea
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-309412.hdr.sgml**: 20251205

**ACCESSION NUMBER**: 0001193125-25-309412

**CONFORMED SUBMISSION TYPE**: N-MFP3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251130

**FILED AS OF DATE**: 20251205

**DATE AS OF CHANGE**: 20251205

**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:** 251552484

**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 Reserves (Series ID: S000008910)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000024239 | Institutional Shares | CIIXX           |
| C000089733 | Investor Shares      | LTRXX           |

# 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):** 2025-11-30

**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 Reserves

**LEI of Series:** 549300QC7GUBE6E4RH57

**EDGAR Series Identifier:** S000008910

**Total number of share classes in the series:** 2

**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:** $7283018234.56

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

- **Cash:** $0.00

- **Total Other Assets:** $101535.29

- **Total Liabilities:** $23570858.27

- **Net Assets of Series:** $7259548911.58

- **Number of Shares Outstanding (Series):** 7260026401.9600

- **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 (%)   |
|:---|:---|:---|:---|:---|
| 2025-11-03 | $18412637647.34           | $18412637647.34            | 99.9200%                  | 99.9200%                   |
| 2025-11-04 | $17989158281.37           | $17989158281.37            | 99.9200%                  | 99.9200%                   |
| 2025-11-05 | $18099032780.64           | $18099032780.64            | 99.9100%                  | 99.9100%                   |
| 2025-11-06 | $18029046752.15           | $18029046752.15            | 99.9100%                  | 99.9100%                   |
| 2025-11-07 | $17988629723.85           | $17988629723.85            | 99.9000%                  | 99.9000%                   |
| 2025-11-10 | $18316961748.29           | $18316961748.29            | 99.9000%                  | 99.9000%                   |
| 2025-11-11 | $0.00                     | $0.00                      | 0.0000%                   | 0.0000%                    |
| 2025-11-12 | $17827426446.68           | $17827426446.68            | 99.8900%                  | 99.8900%                   |
| 2025-11-13 | $17917002173.10           | $17917002173.10            | 99.8900%                  | 99.8900%                   |
| 2025-11-14 | $17805614985.50           | $17805614985.50            | 99.8800%                  | 99.8800%                   |
| 2025-11-17 | $17873543992.89           | $17873543992.89            | 99.8800%                  | 99.8800%                   |
| 2025-11-18 | $17322459823.05           | $17322459823.05            | 99.8700%                  | 99.8700%                   |
| 2025-11-19 | $16700783214.30           | $16700783214.30            | 99.8600%                  | 99.8600%                   |
| 2025-11-20 | $17138169976.71           | $17138169976.71            | 99.8600%                  | 99.8600%                   |
| 2025-11-21 | $17304397679.83           | $17304397679.83            | 99.8600%                  | 99.8600%                   |
| 2025-11-24 | $17266034242.87           | $17266034242.87            | 99.8500%                  | 99.8500%                   |
| 2025-11-25 | $17602586083.22           | $17602586083.22            | 99.8400%                  | 99.8400%                   |
| 2025-11-26 | $18770615885.88           | $18770615885.88            | 99.8500%                  | 99.8500%                   |
| 2025-11-28 | $17860364374.61           | $17860364374.61            | 99.8400%                  | 99.8400%                   |

### 7-Day Gross Yield
| Date       | 7-Day Gross Yield   |
|:---|:---|
| 2025-11-03 | 4.0300%             |
| 2025-11-04 | 4.0300%             |
| 2025-11-05 | 4.0300%             |
| 2025-11-06 | 4.0200%             |
| 2025-11-07 | 4.0100%             |
| 2025-11-10 | 4.0100%             |
| 2025-11-11 | 0.0000%             |
| 2025-11-12 | 4.0100%             |
| 2025-11-13 | 4.0000%             |
| 2025-11-14 | 4.0000%             |
| 2025-11-17 | 4.0000%             |
| 2025-11-18 | 3.9900%             |
| 2025-11-19 | 3.9900%             |
| 2025-11-20 | 3.9900%             |
| 2025-11-21 | 3.9900%             |
| 2025-11-24 | 3.9900%             |
| 2025-11-25 | 3.9800%             |
| 2025-11-26 | 3.9800%             |
| 2025-11-28 | 3.9600%             |

### Daily Net Asset Value per Share (Series)
| Date       | Net Asset Value per Share   |
|:---|:---|
| 2025-11-03 | 0.9999                      |
|  |  |
| 2025-11-04 | 0.9999                      |
|  |  |
| 2025-11-05 | 0.9999                      |
|  |  |
| 2025-11-06 | 0.9999                      |
|  |  |
| 2025-11-07 | 0.9999                      |
|  |  |
| 2025-11-10 | 0.9999                      |
|  |  |
| 2025-11-11 | 0.0000                      |
|  |  |
| 2025-11-12 | 0.9999                      |
|  |  |
| 2025-11-13 | 0.9999                      |
|  |  |
| 2025-11-14 | 0.9999                      |
|  |  |
| 2025-11-17 | 0.9999                      |
|  |  |
| 2025-11-18 | 0.9999                      |
|  |  |
| 2025-11-19 | 0.9999                      |
|  |  |
| 2025-11-20 | 0.9999                      |
|  |  |
| 2025-11-21 | 0.9999                      |
|  |  |
| 2025-11-24 | 0.9999                      |
|  |  |
| 2025-11-25 | 0.9999                      |
|  |  |
| 2025-11-26 | 0.9999                      |
|  |  |
| 2025-11-28 | 0.9999                      |
|  |  |

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

### Class: 0L

- **Minimum Initial Investment:** $1000000.00

- **Net Assets of Class:** $4600921643.25

- **Number of Shares Outstanding:** 4601221098.7400

- **Expense Reimbursement/Waiver:** 550295.50

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2025-11-03 | 0.9999          |
|  |  |
| 2025-11-04 | 0.9999          |
|  |  |
| 2025-11-05 | 0.9999          |
|  |  |
| 2025-11-06 | 0.9999          |
|  |  |
| 2025-11-07 | 0.9999          |
|  |  |
| 2025-11-10 | 0.9999          |
|  |  |
| 2025-11-12 | 0.9999          |
|  |  |
| 2025-11-13 | 0.9999          |
|  |  |
| 2025-11-14 | 0.9999          |
|  |  |
| 2025-11-17 | 0.9999          |
|  |  |
| 2025-11-18 | 0.9999          |
|  |  |
| 2025-11-19 | 0.9999          |
|  |  |
| 2025-11-20 | 0.9999          |
|  |  |
| 2025-11-21 | 0.9999          |
|  |  |
| 2025-11-24 | 0.9999          |
|  |  |
| 2025-11-25 | 0.9999          |
|  |  |
| 2025-11-26 | 0.9999          |
|  |  |
| 2025-11-28 | 0.9999          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-11-03 | $77060633.27              | $3996572.00             |
| 2025-11-04 | $143994903.27             | $12526620.06            |
| 2025-11-05 | $75346784.10              | $76951645.64            |
| 2025-11-06 | $223741050.57             | $3826978.44             |
| 2025-11-07 | $245629998.72             | $484807079.56           |
| 2025-11-10 | $48300130.00              | $222507933.18           |
| 2025-11-12 | $27087440.52              | $44119557.33            |
| 2025-11-13 | $106830452.99             | $65988713.39            |
| 2025-11-14 | $122689505.12             | $50941499.83            |
| 2025-11-17 | $85921488.25              | $127983409.43           |
| 2025-11-18 | $122922150.81             | $126320781.03           |
| 2025-11-19 | $6816001.29               | $73820548.38            |
| 2025-11-20 | $243195495.10             | $26091450.67            |
| 2025-11-21 | $50949534.57              | $91911781.48            |
| 2025-11-24 | $45587098.95              | $173282224.83           |
| 2025-11-25 | $34883575.26              | $28303503.33            |
| 2025-11-26 | $21153844.39              | $39685680.97            |
| 2025-11-28 | $93631167.65              | $19592255.18            |

**Total Gross Subscriptions (Month):** $1775741254.83

**Total Gross Redemptions (Month):** $1672658234.73

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-11-03 | 3.8500%           |
| 2025-11-04 | 3.8500%           |
| 2025-11-05 | 3.8500%           |
| 2025-11-06 | 3.8400%           |
| 2025-11-07 | 3.8300%           |
| 2025-11-10 | 3.8300%           |
| 2025-11-12 | 3.8300%           |
| 2025-11-13 | 3.8200%           |
| 2025-11-14 | 3.8200%           |
| 2025-11-17 | 3.8200%           |
| 2025-11-18 | 3.8100%           |
| 2025-11-19 | 3.8100%           |
| 2025-11-20 | 3.8100%           |
| 2025-11-21 | 3.8100%           |
| 2025-11-24 | 3.8100%           |
| 2025-11-25 | 3.8000%           |
| 2025-11-26 | 3.8000%           |
| 2025-11-28 | 3.7800%           |

**Beneficial/Record Owner Categories**
| Category      | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Broker-dealer |  | 5.2700%          | 0.0000%              |
| Broker-dealer |  | 33.0000%         | 0.0000%              |
| Broker-dealer |  | 35.0500%         | 0.0000%              |

### Class: 0I

- **Minimum Initial Investment:** $1000000.00

- **Net Assets of Class:** $2658627268.33

- **Number of Shares Outstanding:** 2658805303.2200

- **Expense Reimbursement/Waiver:** 425776.68

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2025-11-03 | 0.9999          |
|  |  |
| 2025-11-04 | 0.9999          |
|  |  |
| 2025-11-05 | 0.9999          |
|  |  |
| 2025-11-06 | 0.9999          |
|  |  |
| 2025-11-07 | 0.9999          |
|  |  |
| 2025-11-10 | 0.9999          |
|  |  |
| 2025-11-12 | 0.9999          |
|  |  |
| 2025-11-13 | 0.9999          |
|  |  |
| 2025-11-14 | 0.9999          |
|  |  |
| 2025-11-17 | 0.9999          |
|  |  |
| 2025-11-18 | 0.9999          |
|  |  |
| 2025-11-19 | 0.9999          |
|  |  |
| 2025-11-20 | 0.9999          |
|  |  |
| 2025-11-21 | 0.9999          |
|  |  |
| 2025-11-24 | 0.9999          |
|  |  |
| 2025-11-25 | 0.9999          |
|  |  |
| 2025-11-26 | 0.9999          |
|  |  |
| 2025-11-28 | 0.9999          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-11-03 | $44300328.09              | $626863.86              |
| 2025-11-04 | $0.00                     | $90353710.71            |
| 2025-11-05 | $36489272.32              | $7100.00                |
| 2025-11-06 | $0.00                     | $287133452.41           |
| 2025-11-07 | $9720424.88               | $0.00                   |
| 2025-11-10 | $1948073.18               | $0.00                   |
| 2025-11-12 | $33940280.97              | $16000.00               |
| 2025-11-13 | $189021836.33             | $0.00                   |
| 2025-11-14 | $0.00                     | $52952469.26            |
| 2025-11-17 | $8572771.90               | $0.00                   |
| 2025-11-18 | $0.00                     | $32792480.53            |
| 2025-11-19 | $0.00                     | $358905839.85           |
| 2025-11-20 | $0.00                     | $178782584.52           |
| 2025-11-21 | $186497719.45             | $0.00                   |
| 2025-11-24 | $24286603.25              | $0.00                   |
| 2025-11-25 | $303049182.92             | $0.00                   |
| 2025-11-26 | $2858514.23               | $0.00                   |
| 2025-11-28 | $0.00                     | $56388965.24            |

**Total Gross Subscriptions (Month):** $840685007.52

**Total Gross Redemptions (Month):** $1057959466.38

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-11-03 | 3.8000%           |
| 2025-11-04 | 3.8000%           |
| 2025-11-05 | 3.8000%           |
| 2025-11-06 | 3.7900%           |
| 2025-11-07 | 3.7800%           |
| 2025-11-10 | 3.7800%           |
| 2025-11-12 | 3.7800%           |
| 2025-11-13 | 3.7700%           |
| 2025-11-14 | 3.7700%           |
| 2025-11-17 | 3.7700%           |
| 2025-11-18 | 3.7600%           |
| 2025-11-19 | 3.7600%           |
| 2025-11-20 | 3.7600%           |
| 2025-11-21 | 3.7600%           |
| 2025-11-24 | 3.7600%           |
| 2025-11-25 | 3.7500%           |
| 2025-11-26 | 3.7500%           |
| 2025-11-28 | 3.7300%           |

**Beneficial/Record Owner Categories**
| Category                                            | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Depository institution or other banking institution |  | 99.6500%         | 0.0000%              |

## Part C: Schedule of Portfolio Securities

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

- **C.1 - Title:** U.S. Treasury Reserves Portfolio
- **C.6 - Investment Category:** Investment Company
- **Identifiers:** C.3 - CUSIP: NA, C.5 - Other ID: LMUSTREASURYRES
- **C.18 - Value (incl. sponsor support):** $7283018234.56
- **C.18.a - Value (excl. sponsor support):** $7283018234.56
- **C.19 - Percentage of Net Assets:** 100.0000%
- **C.17 - Yield as of Reporting Date:** 0.0000%
- **C.11 - Maturity Date (WAM):** 2025-12-01
- **C.12 - Maturity Date (WAL):** 2025-12-01
- **C.13 - Final Legal Maturity Date:** 2025-12-01
- **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:** 2025-12-05

**By:** /s/Christopher Berarducci

**Name of Signing Officer:** Christopher Berarducci

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