# EDGAR Filing Document

**Accession Number:** 0000889512
**File Stem:** 0001145549-25-046156
**Filing Date:** 2025-7
**Character Count:** 19905
**Document Hash:** c27603d31dbf044c2b2fd6308a0bd6ef
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001145549-25-046156.hdr.sgml**: 20250708

**ACCESSION NUMBER**: 0001145549-25-046156

**CONFORMED SUBMISSION TYPE**: N-MFP3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250630

**FILED AS OF DATE**: 20250708

**DATE AS OF CHANGE**: 20250708

**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:** 251110813

**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):** 2025-06-30

**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:** $648929754.02

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

- **Cash:** $0.00

- **Total Other Assets:** $19854.28

- **Total Liabilities:** $2579628.88

- **Net Assets of Series:** $646369979.42

- **Number of Shares Outstanding (Series):** 646355544.2900

- **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 (%)   |
|:---|:---|:---|:---|:---|
| 2025-06-02 | $858972472.16             | $858972472.16              | 99.8900%                  | 99.8900%                   |
| 2025-06-03 | $840809114.94             | $840809114.94              | 99.8800%                  | 99.8800%                   |
| 2025-06-04 | $826768890.31             | $826768890.31              | 99.8800%                  | 99.8800%                   |
| 2025-06-05 | $782555968.40             | $782555968.40              | 99.8700%                  | 99.8700%                   |
| 2025-06-06 | $770558505.37             | $770558505.37              | 99.8400%                  | 99.8400%                   |
| 2025-06-09 | $791077672.67             | $791077672.67              | 99.8600%                  | 99.8600%                   |
| 2025-06-10 | $740638433.05             | $740638433.05              | 99.8500%                  | 99.8500%                   |
| 2025-06-11 | $835460470.33             | $835460470.33              | 99.8600%                  | 99.8600%                   |
| 2025-06-12 | $808612857.79             | $808612857.79              | 99.8500%                  | 99.8500%                   |
| 2025-06-13 | $696240428.90             | $696240428.90              | 99.8100%                  | 99.8100%                   |
| 2025-06-16 | $735474764.43             | $735474764.43              | 99.8300%                  | 99.8300%                   |
| 2025-06-17 | $720886958.36             | $720886958.36              | 99.8200%                  | 99.8200%                   |
| 2025-06-18 | $720810769.14             | $720810769.14              | 99.8100%                  | 99.8100%                   |
| 2025-06-20 | $670814528.37             | $670814528.37              | 99.7800%                  | 99.7800%                   |
| 2025-06-23 | $659270889.42             | $659270889.42              | 99.7900%                  | 99.7900%                   |
| 2025-06-24 | $655414672.47             | $655414672.47              | 99.7800%                  | 99.7800%                   |
| 2025-06-25 | $639715328.63             | $639715328.63              | 99.7800%                  | 99.7800%                   |
| 2025-06-26 | $639468895.95             | $639468895.95              | 99.7700%                  | 99.7700%                   |
| 2025-06-27 | $630626847.48             | $630626847.48              | 99.7500%                  | 99.7500%                   |
| 2025-06-30 | $647992905.15             | $647992905.15              | 99.8300%                  | 99.8300%                   |

### 7-Day Gross Yield
| Date       | 7-Day Gross Yield   |
|:---|:---|
| 2025-06-02 | 4.3900%             |
| 2025-06-03 | 4.3900%             |
| 2025-06-04 | 4.3700%             |
| 2025-06-05 | 4.3700%             |
| 2025-06-06 | 4.3500%             |
| 2025-06-09 | 4.3400%             |
| 2025-06-10 | 4.3400%             |
| 2025-06-11 | 4.3300%             |
| 2025-06-12 | 4.3400%             |
| 2025-06-13 | 4.3400%             |
| 2025-06-16 | 4.3400%             |
| 2025-06-17 | 4.3400%             |
| 2025-06-18 | 4.3500%             |
| 2025-06-20 | 4.3500%             |
| 2025-06-23 | 4.3400%             |
| 2025-06-24 | 4.3400%             |
| 2025-06-25 | 4.3500%             |
| 2025-06-26 | 4.3500%             |
| 2025-06-27 | 4.3700%             |
| 2025-06-30 | 4.3700%             |

### Daily Net Asset Value per Share (Series)
| Date       | Net Asset Value per Share   |
|:---|:---|
| 2025-06-02 | 1.0000                      |
|  |  |
| 2025-06-03 | 1.0000                      |
|  |  |
| 2025-06-04 | 1.0000                      |
|  |  |
| 2025-06-05 | 1.0000                      |
|  |  |
| 2025-06-06 | 1.0000                      |
|  |  |
| 2025-06-09 | 1.0000                      |
|  |  |
| 2025-06-10 | 1.0000                      |
|  |  |
| 2025-06-11 | 1.0000                      |
|  |  |
| 2025-06-12 | 1.0000                      |
|  |  |
| 2025-06-13 | 1.0000                      |
|  |  |
| 2025-06-16 | 1.0000                      |
|  |  |
| 2025-06-17 | 1.0000                      |
|  |  |
| 2025-06-18 | 1.0000                      |
|  |  |
| 2025-06-20 | 1.0000                      |
|  |  |
| 2025-06-23 | 1.0000                      |
|  |  |
| 2025-06-24 | 1.0000                      |
|  |  |
| 2025-06-25 | 1.0000                      |
|  |  |
| 2025-06-26 | 1.0000                      |
|  |  |
| 2025-06-27 | 1.0000                      |
|  |  |
| 2025-06-30 | 1.0000                      |
|  |  |

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

### Class: 0L

- **Minimum Initial Investment:** $1000000.00

- **Net Assets of Class:** $216143119.57

- **Number of Shares Outstanding:** 216138191.6700

- **Expense Reimbursement/Waiver:** 29952.77

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2025-06-02 | 1.0000          |
|  |  |
| 2025-06-03 | 1.0000          |
|  |  |
| 2025-06-04 | 1.0000          |
|  |  |
| 2025-06-05 | 1.0000          |
|  |  |
| 2025-06-06 | 1.0000          |
|  |  |
| 2025-06-09 | 1.0000          |
|  |  |
| 2025-06-10 | 1.0000          |
|  |  |
| 2025-06-11 | 1.0000          |
|  |  |
| 2025-06-12 | 1.0000          |
|  |  |
| 2025-06-13 | 1.0000          |
|  |  |
| 2025-06-16 | 1.0000          |
|  |  |
| 2025-06-17 | 1.0000          |
|  |  |
| 2025-06-18 | 1.0000          |
|  |  |
| 2025-06-20 | 1.0000          |
|  |  |
| 2025-06-23 | 1.0000          |
|  |  |
| 2025-06-24 | 1.0000          |
|  |  |
| 2025-06-25 | 1.0000          |
|  |  |
| 2025-06-26 | 1.0000          |
|  |  |
| 2025-06-27 | 1.0000          |
|  |  |
| 2025-06-30 | 1.0000          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-06-02 | $628998.73                | $34025396.16            |
| 2025-06-03 | $184821.68                | $31726924.43            |
| 2025-06-04 | $48244.85                 | $17000469.00            |
| 2025-06-05 | $6734.75                  | $20078505.39            |
| 2025-06-06 | $420327.66                | $12193477.34            |
| 2025-06-09 | $9800.00                  | $15993402.78            |
| 2025-06-10 | $2276704.10               | $53780.85               |
| 2025-06-11 | $100128000.00             | $7072436.99             |
| 2025-06-12 | $332.00                   | $29427059.43            |
| 2025-06-13 | $54470.37                 | $114483859.88           |
| 2025-06-16 | $45198027.89              | $13282592.95            |
| 2025-06-17 | $1605651.47               | $11592572.90            |
| 2025-06-18 | $56345.00                 | $3148368.44             |
| 2025-06-20 | $35960.96                 | $45387706.72            |
| 2025-06-23 | $72343.04                 | $8710452.97             |
| 2025-06-24 | $6673577.27               | $574154.96              |
| 2025-06-25 | $204993.94                | $12923465.86            |
| 2025-06-26 | $9017.00                  | $7024179.21             |
| 2025-06-27 | $1045301.58               | $150248.15              |
| 2025-06-30 | $3282731.88               | $56092.32               |

**Total Gross Subscriptions (Month):** $161942384.17

**Total Gross Redemptions (Month):** $384905146.73

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-06-02 | 4.2100%           |
| 2025-06-03 | 4.2100%           |
| 2025-06-04 | 4.1900%           |
| 2025-06-05 | 4.1900%           |
| 2025-06-06 | 4.1700%           |
| 2025-06-09 | 4.1600%           |
| 2025-06-10 | 4.1600%           |
| 2025-06-11 | 4.1500%           |
| 2025-06-12 | 4.1600%           |
| 2025-06-13 | 4.1600%           |
| 2025-06-16 | 4.1600%           |
| 2025-06-17 | 4.1600%           |
| 2025-06-18 | 4.1700%           |
| 2025-06-20 | 4.1700%           |
| 2025-06-23 | 4.1600%           |
| 2025-06-24 | 4.1600%           |
| 2025-06-25 | 4.1700%           |
| 2025-06-26 | 4.1700%           |
| 2025-06-27 | 4.1900%           |
| 2025-06-30 | 4.1900%           |

**Beneficial/Record Owner Categories**
| Category                  | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Non-financial corporation |  | 15.0600%         | 0.0000%              |
| Non-financial corporation |  | 49.4700%         | 0.0000%              |
| Broker-dealer             |  | 34.8100%         | 0.0000%              |

### Class: AD

- **Minimum Initial Investment:** $1000000.00

- **Net Assets of Class:** $429592646.94

- **Number of Shares Outstanding:** 429583247.2800

- **Expense Reimbursement/Waiver:** 41785.56

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2025-06-02 | 1.0000          |
|  |  |
| 2025-06-03 | 1.0000          |
|  |  |
| 2025-06-04 | 1.0000          |
|  |  |
| 2025-06-05 | 1.0000          |
|  |  |
| 2025-06-06 | 1.0000          |
|  |  |
| 2025-06-09 | 1.0000          |
|  |  |
| 2025-06-10 | 1.0000          |
|  |  |
| 2025-06-11 | 1.0000          |
|  |  |
| 2025-06-12 | 1.0000          |
|  |  |
| 2025-06-13 | 1.0000          |
|  |  |
| 2025-06-16 | 1.0000          |
|  |  |
| 2025-06-17 | 1.0000          |
|  |  |
| 2025-06-18 | 1.0000          |
|  |  |
| 2025-06-20 | 1.0000          |
|  |  |
| 2025-06-23 | 1.0000          |
|  |  |
| 2025-06-24 | 1.0000          |
|  |  |
| 2025-06-25 | 1.0000          |
|  |  |
| 2025-06-26 | 1.0000          |
|  |  |
| 2025-06-27 | 1.0000          |
|  |  |
| 2025-06-30 | 1.0000          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-06-02 | $0.00                     | $184679.77              |
| 2025-06-03 | $0.00                     | $6600016.76             |
| 2025-06-04 | $2838837.18               | $0.00                   |
| 2025-06-05 | $657785.44                | $0.00                   |
| 2025-06-06 | $0.00                     | $340897.34              |
| 2025-06-09 | $36326679.00              | $0.00                   |
| 2025-06-10 | $0.00                     | $56311630.81            |
| 2025-06-11 | $0.00                     | $1893408.38             |
| 2025-06-12 | $0.00                     | $212203.53              |
| 2025-06-13 | $1943502.31               | $0.00                   |
| 2025-06-16 | $7203798.03               | $0.00                   |
| 2025-06-17 | $2211444.87               | $0.00                   |
| 2025-06-18 | $0.00                     | $3937007.98             |
| 2025-06-20 | $0.00                     | $1301250.82             |
| 2025-06-23 | $0.00                     | $3042712.03             |
| 2025-06-24 | $0.00                     | $3605759.37             |
| 2025-06-25 | $0.00                     | $3037322.87             |
| 2025-06-26 | $6712708.57               | $0.00                   |
| 2025-06-27 | $0.00                     | $9839383.27             |
| 2025-06-30 | $13603108.19              | $0.00                   |

**Total Gross Subscriptions (Month):** $71497863.59

**Total Gross Redemptions (Month):** $90306272.93

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-06-02 | 4.0100%           |
| 2025-06-03 | 4.0100%           |
| 2025-06-04 | 3.9900%           |
| 2025-06-05 | 3.9800%           |
| 2025-06-06 | 3.9600%           |
| 2025-06-09 | 3.9500%           |
| 2025-06-10 | 3.9500%           |
| 2025-06-11 | 3.9500%           |
| 2025-06-12 | 3.9500%           |
| 2025-06-13 | 3.9500%           |
| 2025-06-16 | 3.9600%           |
| 2025-06-17 | 3.9600%           |
| 2025-06-18 | 3.9600%           |
| 2025-06-20 | 3.9600%           |
| 2025-06-23 | 3.9600%           |
| 2025-06-24 | 3.9600%           |
| 2025-06-25 | 3.9600%           |
| 2025-06-26 | 3.9600%           |
| 2025-06-27 | 3.9800%           |
| 2025-06-30 | 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:** $634212.91

- **Number of Shares Outstanding:** 634105.3400

- **Expense Reimbursement/Waiver:** 2306.88

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2025-06-02 | 1.0002          |
|  |  |
| 2025-06-03 | 1.0002          |
|  |  |
| 2025-06-04 | 1.0002          |
|  |  |
| 2025-06-05 | 1.0002          |
|  |  |
| 2025-06-06 | 1.0002          |
|  |  |
| 2025-06-09 | 1.0002          |
|  |  |
| 2025-06-10 | 1.0002          |
|  |  |
| 2025-06-11 | 1.0002          |
|  |  |
| 2025-06-12 | 1.0002          |
|  |  |
| 2025-06-13 | 1.0002          |
|  |  |
| 2025-06-16 | 1.0002          |
|  |  |
| 2025-06-17 | 1.0002          |
|  |  |
| 2025-06-18 | 1.0002          |
|  |  |
| 2025-06-20 | 1.0002          |
|  |  |
| 2025-06-23 | 1.0002          |
|  |  |
| 2025-06-24 | 1.0002          |
|  |  |
| 2025-06-25 | 1.0002          |
|  |  |
| 2025-06-26 | 1.0002          |
|  |  |
| 2025-06-27 | 1.0002          |
|  |  |
| 2025-06-30 | 1.0002          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-06-02 | $1871.07                  | $351.31                 |

**Total Gross Subscriptions (Month):** $1871.07

**Total Gross Redemptions (Month):** $351.31

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-06-02 | 4.1600%           |
| 2025-06-03 | 4.1600%           |
| 2025-06-04 | 4.1400%           |
| 2025-06-05 | 4.1400%           |
| 2025-06-06 | 4.1200%           |
| 2025-06-09 | 4.1100%           |
| 2025-06-10 | 4.1100%           |
| 2025-06-11 | 4.1100%           |
| 2025-06-12 | 4.1100%           |
| 2025-06-13 | 4.1100%           |
| 2025-06-16 | 4.1100%           |
| 2025-06-17 | 4.1100%           |
| 2025-06-18 | 4.1200%           |
| 2025-06-20 | 4.1200%           |
| 2025-06-23 | 4.1200%           |
| 2025-06-24 | 4.1100%           |
| 2025-06-25 | 4.1200%           |
| 2025-06-26 | 4.1200%           |
| 2025-06-27 | 4.1400%           |
| 2025-06-30 | 4.1400%           |

**Beneficial/Record Owner Categories**
| Category                                            | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Broker-dealer                                       |  | 84.2600%         | 0.0000%              |
| Depository institution or other banking institution |  | 15.7200%         | 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):** $648929754.02
- **C.18.a - Value (excl. sponsor support):** $648929754.02
- **C.19 - Percentage of Net Assets:** 100.0000%
- **C.17 - Yield as of Reporting Date:** 0.0000%
- **C.11 - Maturity Date (WAM):** 2025-07-01
- **C.12 - Maturity Date (WAL):** 2025-07-01
- **C.13 - Final Legal Maturity Date:** 2025-07-01
- **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:** 2025-07-08

**By:** /s/Christopher Berarducci

**Name of Signing Officer:** Christopher Berarducci

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