# EDGAR Filing Document

**Accession Number:** 0000889512
**File Stem:** 0001193125-25-309418
**Filing Date:** 2025-12
**Character Count:** 17022
**Document Hash:** 8f365b8453fa433e63c59bf315d42020
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-309418.hdr.sgml**: 20251205

**ACCESSION NUMBER**: 0001193125-25-309418

**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:** 251552493

**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 Premier Institutional U.S. Treasury Reserves (Series ID: S000066841)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000215196 | Premium Shares | WAEXX           |
| C000215197 | Capital Shares | WADXX           |

# 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 Premier Institutional U.S. Treasury Reserves

**LEI of Series:** 549300FS1J68EF5THY28

**EDGAR Series Identifier:** S000066841

**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:** $1636457717.20

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

- **Cash:** $0.00

- **Total Other Assets:** $34667.54

- **Total Liabilities:** $6279722.11

- **Net Assets of Series:** $1630212662.63

- **Number of Shares Outstanding (Series):** 1630227134.8600

- **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 | 4.0300%             |
| 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 | 3.9700%             |

### Daily Net Asset Value per Share (Series)
| Date       | Net Asset Value per Share   |
|:---|:---|
| 2025-11-03 | 1.0000                      |
|  |  |
| 2025-11-04 | 1.0000                      |
|  |  |
| 2025-11-05 | 1.0000                      |
|  |  |
| 2025-11-06 | 1.0000                      |
|  |  |
| 2025-11-07 | 1.0000                      |
|  |  |
| 2025-11-10 | 1.0000                      |
|  |  |
| 2025-11-11 | 0.0000                      |
|  |  |
| 2025-11-12 | 1.0000                      |
|  |  |
| 2025-11-13 | 1.0000                      |
|  |  |
| 2025-11-14 | 1.0000                      |
|  |  |
| 2025-11-17 | 1.0000                      |
|  |  |
| 2025-11-18 | 1.0000                      |
|  |  |
| 2025-11-19 | 1.0000                      |
|  |  |
| 2025-11-20 | 1.0000                      |
|  |  |
| 2025-11-21 | 1.0000                      |
|  |  |
| 2025-11-24 | 1.0000                      |
|  |  |
| 2025-11-25 | 1.0000                      |
|  |  |
| 2025-11-26 | 1.0000                      |
|  |  |
| 2025-11-28 | 1.0000                      |
|  |  |

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

### Class: PC

- **Minimum Initial Investment:** $1.00

- **Net Assets of Class:** $1560846832.07

- **Number of Shares Outstanding:** 1560861450.2800

- **Expense Reimbursement/Waiver:** 314703.30

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2025-11-03 | 1.0000          |
|  |  |
| 2025-11-04 | 1.0000          |
|  |  |
| 2025-11-05 | 1.0000          |
|  |  |
| 2025-11-06 | 1.0000          |
|  |  |
| 2025-11-07 | 1.0000          |
|  |  |
| 2025-11-10 | 1.0000          |
|  |  |
| 2025-11-11 | 0.0000          |
|  |  |
| 2025-11-12 | 1.0000          |
|  |  |
| 2025-11-13 | 1.0000          |
|  |  |
| 2025-11-14 | 1.0000          |
|  |  |
| 2025-11-17 | 1.0000          |
|  |  |
| 2025-11-18 | 1.0000          |
|  |  |
| 2025-11-19 | 1.0000          |
|  |  |
| 2025-11-20 | 1.0000          |
|  |  |
| 2025-11-21 | 1.0000          |
|  |  |
| 2025-11-24 | 1.0000          |
|  |  |
| 2025-11-25 | 1.0000          |
|  |  |
| 2025-11-26 | 1.0000          |
|  |  |
| 2025-11-28 | 1.0000          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-11-03 | $400811539.68             | $91138809.37            |
| 2025-11-04 | $69019350.35              | $0.01                   |
| 2025-11-05 | $71063273.39              | $0.00                   |
| 2025-11-06 | $0.00                     | $54064032.94            |
| 2025-11-07 | $150000000.00             | $363076.42              |
| 2025-11-10 | $32838475.11              | $0.00                   |
| 2025-11-11 | $0.00                     | $0.00                   |
| 2025-11-12 | $0.00                     | $63924199.68            |
| 2025-11-13 | $0.00                     | $71854368.06            |
| 2025-11-14 | $32494596.73              | $0.00                   |
| 2025-11-17 | $56828096.07              | $150000000.00           |
| 2025-11-18 | $297792673.92             | $200000000.00           |
| 2025-11-19 | $0.00                     | $228678719.94           |
| 2025-11-20 | $0.00                     | $69346166.93            |
| 2025-11-21 | $0.00                     | $37480617.28            |
| 2025-11-24 | $73199030.20              | $0.00                   |
| 2025-11-25 | $7325833.79               | $0.00                   |
| 2025-11-26 | $0.00                     | $110605482.02           |
| 2025-11-28 | $35491919.09              | $0.00                   |

**Total Gross Subscriptions (Month):** $1226864788.33

**Total Gross Redemptions (Month):** $1077455472.65

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-11-03 | 3.8900%           |
| 2025-11-04 | 3.8900%           |
| 2025-11-05 | 3.8900%           |
| 2025-11-06 | 3.8900%           |
| 2025-11-07 | 3.8700%           |
| 2025-11-10 | 3.8700%           |
| 2025-11-11 | 0.0000%           |
| 2025-11-12 | 3.8700%           |
| 2025-11-13 | 3.8600%           |
| 2025-11-14 | 3.8600%           |
| 2025-11-17 | 3.8600%           |
| 2025-11-18 | 3.8500%           |
| 2025-11-19 | 3.8500%           |
| 2025-11-20 | 3.8500%           |
| 2025-11-21 | 3.8500%           |
| 2025-11-24 | 3.8500%           |
| 2025-11-25 | 3.8400%           |
| 2025-11-26 | 3.8400%           |
| 2025-11-28 | 3.8300%           |

**Beneficial/Record Owner Categories**
| Category                                            | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Non-financial corporation                           |  | 6.4200%          | 0.0000%              |
| Depository institution or other banking institution |  | 8.7500%          | 0.0000%              |
| Non-financial corporation                           |  | 80.3000%         | 0.0000%              |

### Class: CC

- **Minimum Initial Investment:** $200000000.00

- **Net Assets of Class:** $69365830.56

- **Number of Shares Outstanding:** 69365684.5800

- **Expense Reimbursement/Waiver:** 36928.95

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2025-11-03 | 1.0000          |
|  |  |
| 2025-11-04 | 1.0000          |
|  |  |
| 2025-11-05 | 1.0000          |
|  |  |
| 2025-11-06 | 1.0000          |
|  |  |
| 2025-11-07 | 1.0000          |
|  |  |
| 2025-11-10 | 1.0000          |
|  |  |
| 2025-11-11 | 0.0000          |
|  |  |
| 2025-11-12 | 1.0000          |
|  |  |
| 2025-11-13 | 1.0000          |
|  |  |
| 2025-11-14 | 1.0000          |
|  |  |
| 2025-11-17 | 1.0000          |
|  |  |
| 2025-11-18 | 1.0000          |
|  |  |
| 2025-11-19 | 1.0000          |
|  |  |
| 2025-11-20 | 1.0000          |
|  |  |
| 2025-11-21 | 1.0000          |
|  |  |
| 2025-11-24 | 1.0000          |
|  |  |
| 2025-11-25 | 1.0000          |
|  |  |
| 2025-11-26 | 1.0000          |
|  |  |
| 2025-11-28 | 1.0000          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-11-03 | $130214984.19             | $0.00                   |
| 2025-11-04 | $8800000.00               | $0.00                   |
| 2025-11-05 | $0.00                     | $0.00                   |
| 2025-11-06 | $0.00                     | $0.00                   |
| 2025-11-07 | $0.00                     | $0.00                   |
| 2025-11-10 | $8000000.00               | $85195.35               |
| 2025-11-11 | $0.00                     | $0.00                   |
| 2025-11-12 | $0.00                     | $0.00                   |
| 2025-11-13 | $0.00                     | $0.00                   |
| 2025-11-14 | $0.00                     | $0.00                   |
| 2025-11-17 | $8000000.00               | $0.00                   |
| 2025-11-18 | $0.00                     | $0.00                   |
| 2025-11-19 | $0.00                     | $0.00                   |
| 2025-11-20 | $0.00                     | $0.00                   |
| 2025-11-21 | $0.00                     | $0.00                   |
| 2025-11-24 | $0.00                     | $0.00                   |
| 2025-11-25 | $0.00                     | $11000000.00            |
| 2025-11-26 | $0.00                     | $0.00                   |
| 2025-11-28 | $0.00                     | $127000000.00           |

**Total Gross Subscriptions (Month):** $155014984.19

**Total Gross Redemptions (Month):** $138085195.35

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-11-03 | 3.9100%           |
| 2025-11-04 | 3.9100%           |
| 2025-11-05 | 3.9100%           |
| 2025-11-06 | 3.9100%           |
| 2025-11-07 | 3.8900%           |
| 2025-11-10 | 3.8900%           |
| 2025-11-11 | 0.0000%           |
| 2025-11-12 | 3.8900%           |
| 2025-11-13 | 3.8800%           |
| 2025-11-14 | 3.8800%           |
| 2025-11-17 | 3.8800%           |
| 2025-11-18 | 3.8700%           |
| 2025-11-19 | 3.8700%           |
| 2025-11-20 | 3.8700%           |
| 2025-11-21 | 3.8700%           |
| 2025-11-24 | 3.8700%           |
| 2025-11-25 | 3.8600%           |
| 2025-11-26 | 3.8600%           |
| 2025-11-28 | 3.8500%           |

**Beneficial/Record Owner Categories**
| Category                  | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Non-financial corporation |  | 5.5900%          | 0.0000%              |
| Non-financial corporation |  | 10.2200%         | 0.0000%              |
| Non-financial corporation |  | 38.0600%         | 0.0000%              |
| Non-financial corporation |  | 35.6000%         | 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):** $1636457717.20
- **C.18.a - Value (excl. sponsor support):** $1636457717.20
- **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