# EDGAR Filing Document

**Accession Number:** 0000889512
**File Stem:** 0001193125-26-096177
**Filing Date:** 2026-3
**Character Count:** 20635
**Document Hash:** be39c358628c87cc44b3e31305b6f3b5
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-096177.hdr.sgml**: 20260306

**ACCESSION NUMBER**: 0001193125-26-096177

**CONFORMED SUBMISSION TYPE**: N-MFP3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260228

**FILED AS OF DATE**: 20260306

**DATE AS OF CHANGE**: 20260306

**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:** 26730242

**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):** 2026-02-28

**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:** $594521585.10

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

- **Cash:** $0.00

- **Total Other Assets:** $25530.00

- **Total Liabilities:** $1554096.83

- **Net Assets of Series:** $592993018.27

- **Number of Shares Outstanding (Series):** 592881112.6100

- **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 (%)   |
|:---|:---|:---|:---|:---|
| 2026-02-02 | $499097809.31             | $499097809.31              | 99.9900%                  | 99.9900%                   |
| 2026-02-03 | $503824191.91             | $503824191.91              | 99.9900%                  | 99.9900%                   |
| 2026-02-04 | $500487910.66             | $500487910.66              | 99.9900%                  | 99.9900%                   |
| 2026-02-05 | $561609464.45             | $561609464.45              | 99.9900%                  | 99.9900%                   |
| 2026-02-06 | $553516877.45             | $553516877.45              | 99.9700%                  | 99.9700%                   |
| 2026-02-09 | $534441861.01             | $534441861.01              | 99.9800%                  | 99.9800%                   |
| 2026-02-10 | $534036648.88             | $534036648.88              | 99.9800%                  | 99.9800%                   |
| 2026-02-11 | $537202557.77             | $537202557.77              | 99.9800%                  | 99.9800%                   |
| 2026-02-12 | $579711522.72             | $579711522.72              | 99.9800%                  | 99.9800%                   |
| 2026-02-13 | $567552739.61             | $567552739.61              | 99.9600%                  | 99.9600%                   |
| 2026-02-17 | $566166049.82             | $566166049.82              | 99.9700%                  | 99.9700%                   |
| 2026-02-18 | $565999115.54             | $565999115.54              | 99.9700%                  | 99.9700%                   |
| 2026-02-19 | $573213280.36             | $573213280.36              | 99.9700%                  | 99.9700%                   |
| 2026-02-20 | $595467099.71             | $595467099.71              | 99.9600%                  | 99.9600%                   |
| 2026-02-23 | $569946525.69             | $569946525.69              | 99.9600%                  | 99.9600%                   |
| 2026-02-24 | $563754274.81             | $563754274.81              | 99.9600%                  | 99.9600%                   |
| 2026-02-25 | $589524061.79             | $589524061.79              | 99.9600%                  | 99.9600%                   |
| 2026-02-26 | $590015423.03             | $590015423.03              | 99.9600%                  | 99.9600%                   |
| 2026-02-27 | $614371367.70             | $614371367.70              | 99.9600%                  | 99.9600%                   |

### 7-Day Gross Yield
| Date       | 7-Day Gross Yield   |
|:---|:---|
| 2026-02-02 | 3.7000%             |
| 2026-02-03 | 3.7000%             |
| 2026-02-04 | 3.7000%             |
| 2026-02-05 | 3.7000%             |
| 2026-02-06 | 3.6900%             |
| 2026-02-09 | 3.6900%             |
| 2026-02-10 | 3.6900%             |
| 2026-02-11 | 3.6900%             |
| 2026-02-12 | 3.6900%             |
| 2026-02-13 | 3.7000%             |
| 2026-02-17 | 3.7000%             |
| 2026-02-18 | 3.7100%             |
| 2026-02-19 | 3.7100%             |
| 2026-02-20 | 3.7000%             |
| 2026-02-23 | 3.7000%             |
| 2026-02-24 | 3.7000%             |
| 2026-02-25 | 3.6900%             |
| 2026-02-26 | 3.6900%             |
| 2026-02-27 | 3.6900%             |

### Daily Net Asset Value per Share (Series)
| Date       | Net Asset Value per Share   |
|:---|:---|
| 2026-02-02 | 1.0002                      |
|  |  |
| 2026-02-03 | 1.0002                      |
|  |  |
| 2026-02-04 | 1.0002                      |
|  |  |
| 2026-02-05 | 1.0002                      |
|  |  |
| 2026-02-06 | 1.0002                      |
|  |  |
| 2026-02-09 | 1.0002                      |
|  |  |
| 2026-02-10 | 1.0002                      |
|  |  |
| 2026-02-11 | 1.0002                      |
|  |  |
| 2026-02-12 | 1.0002                      |
|  |  |
| 2026-02-13 | 1.0002                      |
|  |  |
| 2026-02-17 | 1.0002                      |
|  |  |
| 2026-02-18 | 1.0002                      |
|  |  |
| 2026-02-19 | 1.0002                      |
|  |  |
| 2026-02-20 | 1.0002                      |
|  |  |
| 2026-02-23 | 1.0002                      |
|  |  |
| 2026-02-24 | 1.0002                      |
|  |  |
| 2026-02-25 | 1.0002                      |
|  |  |
| 2026-02-26 | 1.0002                      |
|  |  |
| 2026-02-27 | 1.0002                      |
|  |  |

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

### Class: 0L

- **Minimum Initial Investment:** $1000000.00

- **Net Assets of Class:** $143841092.45

- **Number of Shares Outstanding:** 143810294.3800

- **Expense Reimbursement/Waiver:** 13123.41

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2026-02-02 | 1.0003          |
|  |  |
| 2026-02-03 | 1.0003          |
|  |  |
| 2026-02-04 | 1.0003          |
|  |  |
| 2026-02-05 | 1.0003          |
|  |  |
| 2026-02-06 | 1.0003          |
|  |  |
| 2026-02-09 | 1.0003          |
|  |  |
| 2026-02-10 | 1.0003          |
|  |  |
| 2026-02-11 | 1.0003          |
|  |  |
| 2026-02-12 | 1.0003          |
|  |  |
| 2026-02-13 | 1.0003          |
|  |  |
| 2026-02-17 | 1.0003          |
|  |  |
| 2026-02-18 | 1.0003          |
|  |  |
| 2026-02-19 | 1.0003          |
|  |  |
| 2026-02-20 | 1.0003          |
|  |  |
| 2026-02-23 | 1.0003          |
|  |  |
| 2026-02-24 | 1.0003          |
|  |  |
| 2026-02-25 | 1.0002          |
|  |  |
| 2026-02-26 | 1.0003          |
|  |  |
| 2026-02-27 | 1.0002          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2026-02-02 | $332485.87                | $1090448.31             |
| 2026-02-03 | $795863.92                | $86041.71               |
| 2026-02-04 | $62608.37                 | $82690.66               |
| 2026-02-05 | $0.00                     | $186803.00              |
| 2026-02-06 | $1538724.92               | $14215034.42            |
| 2026-02-09 | $551446.16                | $221412.33              |
| 2026-02-10 | $0.00                     | $529084.12              |
| 2026-02-11 | $49248.19                 | $0.00                   |
| 2026-02-12 | $26894583.05              | $164649.76              |
| 2026-02-13 | $2192233.79               | $14016595.51            |
| 2026-02-17 | $1814833.14               | $275774.30              |
| 2026-02-18 | $299091.90                | $2983085.62             |
| 2026-02-19 | $8191414.89               | $263377.25              |
| 2026-02-20 | $307189.64                | $2223019.94             |
| 2026-02-23 | $60080.00                 | $10933633.24            |
| 2026-02-24 | $29133.69                 | $261490.31              |
| 2026-02-25 | $30023764.20              | $5128014.27             |
| 2026-02-26 | $7600.11                  | $5468.33                |
| 2026-02-27 | $20867668.97              | $149999.96              |

**Total Gross Subscriptions (Month):** $94017970.81

**Total Gross Redemptions (Month):** $52816623.04

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2026-02-02 | 3.5200%           |
| 2026-02-03 | 3.5200%           |
| 2026-02-04 | 3.5200%           |
| 2026-02-05 | 3.5200%           |
| 2026-02-06 | 3.5100%           |
| 2026-02-09 | 3.5100%           |
| 2026-02-10 | 3.5100%           |
| 2026-02-11 | 3.5000%           |
| 2026-02-12 | 3.5100%           |
| 2026-02-13 | 3.5100%           |
| 2026-02-17 | 3.5200%           |
| 2026-02-18 | 3.5300%           |
| 2026-02-19 | 3.5300%           |
| 2026-02-20 | 3.5200%           |
| 2026-02-23 | 3.5200%           |
| 2026-02-24 | 3.5200%           |
| 2026-02-25 | 3.5100%           |
| 2026-02-26 | 3.5100%           |
| 2026-02-27 | 3.5100%           |

**Beneficial/Record Owner Categories**
| Category                  | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Non-financial corporation |  | 21.9600%         | 0.0000%              |
| Non-financial corporation |  | 5.7700%          | 0.0000%              |
| Broker-dealer             |  | 50.2600%         | 0.0000%              |
| Broker-dealer             |  | 20.8300%         | 0.0000%              |

### Class: AD

- **Minimum Initial Investment:** $1000000.00

- **Net Assets of Class:** $448598047.15

- **Number of Shares Outstanding:** 448517152.0400

- **Expense Reimbursement/Waiver:** 46238.60

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2026-02-02 | 1.0002          |
|  |  |
| 2026-02-03 | 1.0002          |
|  |  |
| 2026-02-04 | 1.0002          |
|  |  |
| 2026-02-05 | 1.0002          |
|  |  |
| 2026-02-06 | 1.0002          |
|  |  |
| 2026-02-09 | 1.0002          |
|  |  |
| 2026-02-10 | 1.0002          |
|  |  |
| 2026-02-11 | 1.0002          |
|  |  |
| 2026-02-12 | 1.0002          |
|  |  |
| 2026-02-13 | 1.0002          |
|  |  |
| 2026-02-17 | 1.0002          |
|  |  |
| 2026-02-18 | 1.0002          |
|  |  |
| 2026-02-19 | 1.0002          |
|  |  |
| 2026-02-20 | 1.0002          |
|  |  |
| 2026-02-23 | 1.0002          |
|  |  |
| 2026-02-24 | 1.0002          |
|  |  |
| 2026-02-25 | 1.0001          |
|  |  |
| 2026-02-26 | 1.0002          |
|  |  |
| 2026-02-27 | 1.0002          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2026-02-02 | $27373817.53              | $0.00                   |
| 2026-02-03 | $0.00                     | $5984766.90             |
| 2026-02-04 | $0.00                     | $3359485.65             |
| 2026-02-05 | $81129939.34              | $0.00                   |
| 2026-02-06 | $4494391.80               | $0.00                   |
| 2026-02-09 | $0.00                     | $19512430.34            |
| 2026-02-10 | $76084.84                 | $0.00                   |
| 2026-02-11 | $3085768.47               | $0.00                   |
| 2026-02-12 | $0.00                     | $4150812.08             |
| 2026-02-13 | $0.00                     | $439522.99              |
| 2026-02-17 | $6920648.44               | $0.00                   |
| 2026-02-18 | $2468898.27               | $0.00                   |
| 2026-02-19 | $0.00                     | $765412.37              |
| 2026-02-20 | $24077515.30              | $0.00                   |
| 2026-02-23 | $0.00                     | $14758292.24            |
| 2026-02-24 | $3946691.33               | $0.00                   |
| 2026-02-25 | $823192.04                | $0.00                   |
| 2026-02-26 | $0.00                     | $14478851.50            |
| 2026-02-27 | $3532307.21               | $0.00                   |

**Total Gross Subscriptions (Month):** $157929254.57

**Total Gross Redemptions (Month):** $63449574.07

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2026-02-02 | 3.3100%           |
| 2026-02-03 | 3.3100%           |
| 2026-02-04 | 3.3100%           |
| 2026-02-05 | 3.3100%           |
| 2026-02-06 | 3.3000%           |
| 2026-02-09 | 3.3000%           |
| 2026-02-10 | 3.3000%           |
| 2026-02-11 | 3.3000%           |
| 2026-02-12 | 3.3000%           |
| 2026-02-13 | 3.3100%           |
| 2026-02-17 | 3.3100%           |
| 2026-02-18 | 3.3200%           |
| 2026-02-19 | 3.3200%           |
| 2026-02-20 | 3.3100%           |
| 2026-02-23 | 3.3100%           |
| 2026-02-24 | 3.3100%           |
| 2026-02-25 | 3.3100%           |
| 2026-02-26 | 3.3100%           |
| 2026-02-27 | 3.3100%           |

**Beneficial/Record Owner Categories**
| Category                                            | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Depository institution or other banking institution |  | 99.9200%         | 0.0000%              |

### Class: 0I

- **Minimum Initial Investment:** $1000000.00

- **Net Assets of Class:** $553878.67

- **Number of Shares Outstanding:** 553666.1900

- **Expense Reimbursement/Waiver:** 2163.21

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2026-02-02 | 1.0004          |
|  |  |
| 2026-02-03 | 1.0004          |
|  |  |
| 2026-02-04 | 1.0004          |
|  |  |
| 2026-02-05 | 1.0004          |
|  |  |
| 2026-02-06 | 1.0004          |
|  |  |
| 2026-02-09 | 1.0004          |
|  |  |
| 2026-02-10 | 1.0004          |
|  |  |
| 2026-02-11 | 1.0004          |
|  |  |
| 2026-02-12 | 1.0004          |
|  |  |
| 2026-02-13 | 1.0004          |
|  |  |
| 2026-02-17 | 1.0004          |
|  |  |
| 2026-02-18 | 1.0004          |
|  |  |
| 2026-02-19 | 1.0004          |
|  |  |
| 2026-02-20 | 1.0004          |
|  |  |
| 2026-02-23 | 1.0004          |
|  |  |
| 2026-02-24 | 1.0004          |
|  |  |
| 2026-02-25 | 1.0003          |
|  |  |
| 2026-02-26 | 1.0004          |
|  |  |
| 2026-02-27 | 1.0004          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2026-02-02 | $1339.37                  | $295.93                 |
| 2026-02-03 | $0.00                     | $0.00                   |
| 2026-02-04 | $0.00                     | $0.00                   |
| 2026-02-05 | $0.00                     | $0.00                   |
| 2026-02-06 | $0.00                     | $0.00                   |
| 2026-02-09 | $0.00                     | $0.00                   |
| 2026-02-10 | $0.00                     | $0.00                   |
| 2026-02-11 | $0.00                     | $0.00                   |
| 2026-02-12 | $0.00                     | $0.00                   |
| 2026-02-13 | $0.00                     | $0.00                   |
| 2026-02-17 | $0.00                     | $0.00                   |
| 2026-02-18 | $0.00                     | $0.00                   |
| 2026-02-19 | $0.00                     | $0.00                   |
| 2026-02-20 | $0.00                     | $0.00                   |
| 2026-02-23 | $0.00                     | $0.00                   |
| 2026-02-24 | $0.00                     | $0.00                   |
| 2026-02-25 | $0.00                     | $0.00                   |
| 2026-02-26 | $0.00                     | $0.00                   |
| 2026-02-27 | $0.00                     | $0.00                   |

**Total Gross Subscriptions (Month):** $1339.37

**Total Gross Redemptions (Month):** $295.93

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2026-02-02 | 3.4700%           |
| 2026-02-03 | 3.4700%           |
| 2026-02-04 | 3.4700%           |
| 2026-02-05 | 3.4700%           |
| 2026-02-06 | 3.4600%           |
| 2026-02-09 | 3.4600%           |
| 2026-02-10 | 3.4600%           |
| 2026-02-11 | 3.4500%           |
| 2026-02-12 | 3.4600%           |
| 2026-02-13 | 3.4700%           |
| 2026-02-17 | 3.4700%           |
| 2026-02-18 | 3.4800%           |
| 2026-02-19 | 3.4800%           |
| 2026-02-20 | 3.4700%           |
| 2026-02-23 | 3.4700%           |
| 2026-02-24 | 3.4700%           |
| 2026-02-25 | 3.4600%           |
| 2026-02-26 | 3.4600%           |
| 2026-02-27 | 3.4600%           |

**Beneficial/Record Owner Categories**
| Category                                            | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Depository institution or other banking institution |  | 18.0200%         | 0.0000%              |
| Broker-dealer                                       |  | 81.9600%         | 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):** $594521585.10
- **C.18.a - Value (excl. sponsor support):** $594521585.10
- **C.19 - Percentage of Net Assets:** 100.0000%
- **C.17 - Yield as of Reporting Date:** 0.0000%
- **C.11 - Maturity Date (WAM):** 2026-03-02
- **C.12 - Maturity Date (WAL):** 2026-03-02
- **C.13 - Final Legal Maturity Date:** 2026-03-02
- **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:** 2026-03-06

**By:** /s/Christopher Berarducci

**Name of Signing Officer:** Christopher Berarducci

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