# EDGAR Filing Document

**Accession Number:** 0000889512
**File Stem:** 0001193125-25-309411
**Filing Date:** 2025-12
**Character Count:** 18734
**Document Hash:** b23aa72c4b549e13f3a0d9a523e769bf
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-309411.hdr.sgml**: 20251205

**ACCESSION NUMBER**: 0001193125-25-309411

**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:** 251552481

**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):** 2025-11-30

**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 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:** $599170994.66

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

- **Cash:** $0.00

- **Total Other Assets:** $41419.62

- **Total Liabilities:** $1939853.98

- **Net Assets of Series:** $597272560.30

- **Number of Shares Outstanding (Series):** 597257533.8300

- **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 | $632946632.12             | $632946632.12              | 99.9100%                  | 99.9100%                   |
| 2025-11-04 | $656838739.19             | $656838739.19              | 99.9100%                  | 99.9100%                   |
| 2025-11-05 | $609634290.98             | $609634290.98              | 99.9000%                  | 99.9000%                   |
| 2025-11-06 | $627044739.53             | $627044739.53              | 99.9000%                  | 99.9000%                   |
| 2025-11-07 | $609182215.76             | $609182215.76              | 99.8800%                  | 99.8800%                   |
| 2025-11-10 | $600642348.40             | $600642348.40              | 99.8800%                  | 99.8800%                   |
| 2025-11-12 | $603678039.19             | $603678039.19              | 99.8900%                  | 99.8900%                   |
| 2025-11-13 | $600468000.19             | $600468000.19              | 99.8800%                  | 99.8800%                   |
| 2025-11-14 | $606612686.79             | $606612686.79              | 99.8600%                  | 99.8600%                   |
| 2025-11-17 | $618537957.82             | $618537957.82              | 99.8700%                  | 99.8700%                   |
| 2025-11-18 | $589459704.86             | $589459704.86              | 99.8700%                  | 99.8700%                   |
| 2025-11-19 | $602477562.25             | $602477562.25              | 99.8700%                  | 99.8700%                   |
| 2025-11-20 | $712923421.75             | $712923421.75              | 99.8800%                  | 99.8800%                   |
| 2025-11-21 | $761899296.00             | $761899296.00              | 99.8700%                  | 99.8700%                   |
| 2025-11-24 | $754368431.19             | $754368431.19              | 99.8800%                  | 99.8800%                   |
| 2025-11-25 | $607746397.07             | $607746397.07              | 99.8500%                  | 99.8500%                   |
| 2025-11-26 | $587898428.27             | $587898428.27              | 99.8400%                  | 99.8400%                   |
| 2025-11-28 | $618263870.42             | $618263870.42              | 99.8400%                  | 99.8400%                   |

### 7-Day Gross Yield
| Date       | 7-Day Gross Yield   |
|:---|:---|
| 2025-11-03 | 4.1000%             |
| 2025-11-04 | 4.0800%             |
| 2025-11-05 | 4.0600%             |
| 2025-11-06 | 4.0500%             |
| 2025-11-07 | 4.0000%             |
| 2025-11-10 | 3.9800%             |
| 2025-11-12 | 3.9900%             |
| 2025-11-13 | 3.9900%             |
| 2025-11-14 | 3.9900%             |
| 2025-11-17 | 3.9900%             |
| 2025-11-18 | 3.9900%             |
| 2025-11-19 | 3.9900%             |
| 2025-11-20 | 3.9800%             |
| 2025-11-21 | 3.9800%             |
| 2025-11-24 | 3.9700%             |
| 2025-11-25 | 3.9700%             |
| 2025-11-26 | 4.0000%             |
| 2025-11-28 | 4.0200%             |

### 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                      |
|  |  |
| 2025-11-12 | 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: 0L

- **Minimum Initial Investment:** $1000000.00

- **Net Assets of Class:** $94897095.82

- **Number of Shares Outstanding:** 94892024.6000

- **Expense Reimbursement/Waiver:** 16110.04

**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 | 1.0001          |
|  |  |
| 2025-11-12 | 1.0000          |
|  |  |
| 2025-11-13 | 1.0000          |
|  |  |
| 2025-11-14 | 1.0000          |
|  |  |
| 2025-11-17 | 1.0000          |
|  |  |
| 2025-11-18 | 1.0001          |
|  |  |
| 2025-11-19 | 1.0001          |
|  |  |
| 2025-11-20 | 1.0000          |
|  |  |
| 2025-11-21 | 1.0000          |
|  |  |
| 2025-11-24 | 1.0000          |
|  |  |
| 2025-11-25 | 1.0001          |
|  |  |
| 2025-11-26 | 1.0001          |
|  |  |
| 2025-11-28 | 1.0001          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-11-03 | $8354398.35               | $543272.07              |
| 2025-11-04 | $15425898.29              | $582292.66              |
| 2025-11-05 | $35000.00                 | $38809632.57            |
| 2025-11-06 | $8581136.73               | $217945.87              |
| 2025-11-07 | $8908562.59               | $24514547.58            |
| 2025-11-10 | $297937.27                | $20409097.94            |
| 2025-11-12 | $18302179.11              | $1736737.91             |
| 2025-11-13 | $11206181.59              | $98590.50               |
| 2025-11-14 | $25000.00                 | $66052.74               |
| 2025-11-17 | $1775844.07               | $232388.89              |
| 2025-11-18 | $4239.39                  | $24048979.17            |
| 2025-11-19 | $485410.54                | $930249.70              |
| 2025-11-20 | $99019094.75              | $180763.14              |
| 2025-11-21 | $52381987.08              | $3692249.91             |
| 2025-11-24 | $403740.54                | $12292322.18            |
| 2025-11-25 | $10461150.54              | $151752093.13           |
| 2025-11-26 | $99553.79                 | $29357.05               |
| 2025-11-28 | $32152.87                 | $111499.96              |

**Total Gross Subscriptions (Month):** $235799467.50

**Total Gross Redemptions (Month):** $280248072.97

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-11-03 | 3.9200%           |
| 2025-11-04 | 3.9000%           |
| 2025-11-05 | 3.8800%           |
| 2025-11-06 | 3.8700%           |
| 2025-11-07 | 3.8200%           |
| 2025-11-10 | 3.8000%           |
| 2025-11-12 | 3.8100%           |
| 2025-11-13 | 3.8100%           |
| 2025-11-14 | 3.8100%           |
| 2025-11-17 | 3.8100%           |
| 2025-11-18 | 3.8100%           |
| 2025-11-19 | 3.8100%           |
| 2025-11-20 | 3.8000%           |
| 2025-11-21 | 3.8000%           |
| 2025-11-24 | 3.7900%           |
| 2025-11-25 | 3.7900%           |
| 2025-11-26 | 3.8100%           |
| 2025-11-28 | 3.8400%           |

**Beneficial/Record Owner Categories**
| Category                  | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Non-financial corporation |  | 5.6300%          | 0.0000%              |
| Non-financial corporation |  | 11.0000%         | 0.0000%              |
| Broker-dealer             |  | 81.8600%         | 0.0000%              |

### Class: AD

- **Minimum Initial Investment:** $1000000.00

- **Net Assets of Class:** $501824904.15

- **Number of Shares Outstanding:** 501815057.2900

- **Expense Reimbursement/Waiver:** 49582.66

**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          |
|  |  |
| 2025-11-12 | 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 | $0.00                     | $11592100.45            |
| 2025-11-04 | $30833512.08              | $0.00                   |
| 2025-11-05 | $0.00                     | $8486671.14             |
| 2025-11-06 | $8996773.58               | $0.00                   |
| 2025-11-07 | $0.00                     | $2338279.51             |
| 2025-11-10 | $4484300.21               | $0.00                   |
| 2025-11-12 | $0.00                     | $18548248.94            |
| 2025-11-13 | $0.00                     | $7399699.23             |
| 2025-11-14 | $6105743.64               | $0.00                   |
| 2025-11-17 | $5360540.47               | $0.00                   |
| 2025-11-18 | $0.00                     | $138186.33              |
| 2025-11-19 | $13415297.60              | $0.00                   |
| 2025-11-20 | $8421559.43               | $0.00                   |
| 2025-11-21 | $192398.78                | $0.00                   |
| 2025-11-24 | $0.00                     | $4132822.44             |
| 2025-11-25 | $4737152.71               | $0.00                   |
| 2025-11-26 | $0.00                     | $34757322.43            |
| 2025-11-28 | $36574595.78              | $0.00                   |

**Total Gross Subscriptions (Month):** $119121874.28

**Total Gross Redemptions (Month):** $87393330.47

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-11-03 | 3.7100%           |
| 2025-11-04 | 3.7000%           |
| 2025-11-05 | 3.6700%           |
| 2025-11-06 | 3.6700%           |
| 2025-11-07 | 3.6100%           |
| 2025-11-10 | 3.6000%           |
| 2025-11-12 | 3.6000%           |
| 2025-11-13 | 3.6100%           |
| 2025-11-14 | 3.6100%           |
| 2025-11-17 | 3.6100%           |
| 2025-11-18 | 3.6000%           |
| 2025-11-19 | 3.6000%           |
| 2025-11-20 | 3.5900%           |
| 2025-11-21 | 3.5900%           |
| 2025-11-24 | 3.5900%           |
| 2025-11-25 | 3.5900%           |
| 2025-11-26 | 3.6100%           |
| 2025-11-28 | 3.6300%           |

**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:** $550560.33

- **Number of Shares Outstanding:** 550451.9400

- **Expense Reimbursement/Waiver:** 2315.78

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2025-11-03 | 1.0002          |
|  |  |
| 2025-11-04 | 1.0002          |
|  |  |
| 2025-11-05 | 1.0002          |
|  |  |
| 2025-11-06 | 1.0002          |
|  |  |
| 2025-11-07 | 1.0002          |
|  |  |
| 2025-11-10 | 1.0002          |
|  |  |
| 2025-11-12 | 1.0002          |
|  |  |
| 2025-11-13 | 1.0002          |
|  |  |
| 2025-11-14 | 1.0002          |
|  |  |
| 2025-11-17 | 1.0002          |
|  |  |
| 2025-11-18 | 1.0002          |
|  |  |
| 2025-11-19 | 1.0002          |
|  |  |
| 2025-11-20 | 1.0002          |
|  |  |
| 2025-11-21 | 1.0002          |
|  |  |
| 2025-11-24 | 1.0002          |
|  |  |
| 2025-11-25 | 1.0002          |
|  |  |
| 2025-11-26 | 1.0002          |
|  |  |
| 2025-11-28 | 1.0002          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-11-03 | $1492.90                  | $332.38                 |

**Total Gross Subscriptions (Month):** $1492.90

**Total Gross Redemptions (Month):** $332.38

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-11-03 | 3.8700%           |
| 2025-11-04 | 3.8500%           |
| 2025-11-05 | 3.8300%           |
| 2025-11-06 | 3.8200%           |
| 2025-11-07 | 3.7700%           |
| 2025-11-10 | 3.7500%           |
| 2025-11-12 | 3.7600%           |
| 2025-11-13 | 3.7600%           |
| 2025-11-14 | 3.7600%           |
| 2025-11-17 | 3.7600%           |
| 2025-11-18 | 3.7600%           |
| 2025-11-19 | 3.7600%           |
| 2025-11-20 | 3.7500%           |
| 2025-11-21 | 3.7500%           |
| 2025-11-24 | 3.7400%           |
| 2025-11-25 | 3.7400%           |
| 2025-11-26 | 3.7700%           |
| 2025-11-28 | 3.7900%           |

**Beneficial/Record Owner Categories**
| Category                                            | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Depository institution or other banking institution |  | 18.1200%         | 0.0000%              |
| Broker-dealer                                       |  | 81.8600%         | 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):** $599170994.66
- **C.18.a - Value (excl. sponsor support):** $599170994.66
- **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