# EDGAR Filing Document

**Accession Number:** 0000889512
**File Stem:** 0001193125-26-040757
**Filing Date:** 2026-2
**Character Count:** 17500
**Document Hash:** a8f0c91d87c06d33db8af4cdc2398fc8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-040757.hdr.sgml**: 20260206

**ACCESSION NUMBER**: 0001193125-26-040757

**CONFORMED SUBMISSION TYPE**: N-MFP3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260131

**FILED AS OF DATE**: 20260206

**DATE AS OF CHANGE**: 20260206

**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:** 26606321

**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):** 2026-01-31

**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:** $1359594634.00

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

- **Cash:** $0.00

- **Total Other Assets:** $26541.75

- **Total Liabilities:** $5660765.65

- **Net Assets of Series:** $1353960410.10

- **Number of Shares Outstanding (Series):** 1353969457.9600

- **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 (%)   |
|:---|:---|:---|:---|:---|
| 2026-01-02 | $18188501243.85           | $18188501243.85            | 99.7700%                  | 99.7700%                   |
| 2026-01-05 | $18547406163.54           | $18547406163.54            | 99.7700%                  | 99.7700%                   |
| 2026-01-06 | $18030366879.99           | $18030366879.99            | 99.7600%                  | 99.7600%                   |
| 2026-01-07 | $18891719568.68           | $18891719568.68            | 99.7900%                  | 99.7900%                   |
| 2026-01-08 | $18884670126.34           | $18884670126.34            | 99.7800%                  | 99.7800%                   |
| 2026-01-09 | $18594729336.61           | $18594729336.61            | 99.7700%                  | 99.7700%                   |
| 2026-01-12 | $19334824927.66           | $19334824927.66            | 99.7700%                  | 99.7700%                   |
| 2026-01-13 | $19460472824.15           | $19560354157.48            | 99.2600%                  | 99.7700%                   |
| 2026-01-14 | $19588805012.20           | $19588805012.20            | 99.7700%                  | 99.7700%                   |
| 2026-01-15 | $18383393471.69           | $18383393471.69            | 99.7700%                  | 99.7700%                   |
| 2026-01-16 | $18271101676.91           | $18271101676.91            | 99.7600%                  | 99.7600%                   |
| 2026-01-20 | $17956136961.07           | $17956136961.07            | 99.7600%                  | 99.7600%                   |
| 2026-01-21 | $18165255886.43           | $18165255886.43            | 99.7600%                  | 99.7600%                   |
| 2026-01-22 | $18974370615.84           | $18974370615.84            | 99.7600%                  | 99.7600%                   |
| 2026-01-23 | $19258888599.27           | $19258888599.27            | 99.7500%                  | 99.7500%                   |
| 2026-01-26 | $20473119136.86           | $20473119136.86            | 99.7600%                  | 99.7600%                   |
| 2026-01-27 | $19894683636.17           | $19894683636.17            | 99.7500%                  | 99.7500%                   |
| 2026-01-28 | $19747411468.67           | $19747411468.67            | 99.7400%                  | 99.7400%                   |
| 2026-01-29 | $19126434583.73           | $19126434583.73            | 99.7300%                  | 99.7300%                   |
| 2026-01-30 | $18601186288.56           | $18601186288.56            | 99.7200%                  | 99.7200%                   |

### 7-Day Gross Yield
| Date       | 7-Day Gross Yield   |
|:---|:---|
| 2026-01-02 | 3.7900%             |
| 2026-01-05 | 3.7900%             |
| 2026-01-06 | 3.7800%             |
| 2026-01-07 | 3.7800%             |
| 2026-01-08 | 3.7700%             |
| 2026-01-09 | 3.7600%             |
| 2026-01-12 | 3.7500%             |
| 2026-01-13 | 3.7500%             |
| 2026-01-14 | 3.7500%             |
| 2026-01-15 | 3.7500%             |
| 2026-01-16 | 3.7400%             |
| 2026-01-20 | 3.7400%             |
| 2026-01-21 | 3.7400%             |
| 2026-01-22 | 3.7400%             |
| 2026-01-23 | 3.7400%             |
| 2026-01-26 | 3.7300%             |
| 2026-01-27 | 3.7300%             |
| 2026-01-28 | 3.7300%             |
| 2026-01-29 | 3.7300%             |
| 2026-01-30 | 3.7200%             |

### Daily Net Asset Value per Share (Series)
| Date       | Net Asset Value per Share   |
|:---|:---|
| 2026-01-02 | 1.0000                      |
|  |  |
| 2026-01-05 | 1.0000                      |
|  |  |
| 2026-01-06 | 1.0000                      |
|  |  |
| 2026-01-07 | 1.0000                      |
|  |  |
| 2026-01-08 | 1.0000                      |
|  |  |
| 2026-01-09 | 1.0000                      |
|  |  |
| 2026-01-12 | 1.0000                      |
|  |  |
| 2026-01-13 | 1.0000                      |
|  |  |
| 2026-01-14 | 1.0000                      |
|  |  |
| 2026-01-15 | 1.0000                      |
|  |  |
| 2026-01-16 | 1.0000                      |
|  |  |
| 2026-01-20 | 1.0000                      |
|  |  |
| 2026-01-21 | 1.0000                      |
|  |  |
| 2026-01-22 | 1.0000                      |
|  |  |
| 2026-01-23 | 1.0000                      |
|  |  |
| 2026-01-26 | 1.0000                      |
|  |  |
| 2026-01-27 | 1.0000                      |
|  |  |
| 2026-01-28 | 1.0000                      |
|  |  |
| 2026-01-29 | 1.0000                      |
|  |  |
| 2026-01-30 | 1.0000                      |
|  |  |

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

### Class: PC

- **Minimum Initial Investment:** $1.00

- **Net Assets of Class:** $1323902678.51

- **Number of Shares Outstanding:** 1323911033.4100

- **Expense Reimbursement/Waiver:** 292892.14

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2026-01-02 | 1.0000          |
|  |  |
| 2026-01-05 | 1.0000          |
|  |  |
| 2026-01-06 | 1.0000          |
|  |  |
| 2026-01-07 | 1.0000          |
|  |  |
| 2026-01-08 | 1.0000          |
|  |  |
| 2026-01-09 | 1.0000          |
|  |  |
| 2026-01-12 | 1.0000          |
|  |  |
| 2026-01-13 | 1.0000          |
|  |  |
| 2026-01-14 | 1.0000          |
|  |  |
| 2026-01-15 | 1.0000          |
|  |  |
| 2026-01-16 | 1.0000          |
|  |  |
| 2026-01-20 | 1.0000          |
|  |  |
| 2026-01-21 | 1.0000          |
|  |  |
| 2026-01-22 | 1.0000          |
|  |  |
| 2026-01-23 | 1.0000          |
|  |  |
| 2026-01-26 | 1.0000          |
|  |  |
| 2026-01-27 | 1.0000          |
|  |  |
| 2026-01-28 | 1.0000          |
|  |  |
| 2026-01-29 | 1.0000          |
|  |  |
| 2026-01-30 | 1.0000          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2026-01-02 | $866638.73                | $218416556.42           |
| 2026-01-05 | $0.00                     | $40495829.44            |
| 2026-01-06 | $126700051.97             | $0.00                   |
| 2026-01-07 | $0.00                     | $2865318.88             |
| 2026-01-08 | $39759350.12              | $0.00                   |
| 2026-01-09 | $54059237.43              | $53.82                  |
| 2026-01-12 | $0.16                     | $23516182.60            |
| 2026-01-13 | $8780780.38               | $0.00                   |
| 2026-01-14 | $41646182.01              | $100000000.00           |
| 2026-01-15 | $42455641.26              | $550000000.00           |
| 2026-01-16 | $0.00                     | $107438999.64           |
| 2026-01-20 | $8645323.89               | $0.00                   |
| 2026-01-21 | $0.00                     | $44209215.25            |
| 2026-01-22 | $178736665.66             | $0.00                   |
| 2026-01-23 | $0.00                     | $35964171.03            |
| 2026-01-26 | $0.00                     | $67380864.72            |
| 2026-01-27 | $81941360.04              | $0.00                   |
| 2026-01-28 | $1270296.05               | $0.00                   |
| 2026-01-29 | $6462176.37               | $0.00                   |
| 2026-01-30 | $0.00                     | $31296651.85            |

**Total Gross Subscriptions (Month):** $591323704.07

**Total Gross Redemptions (Month):** $1221583843.65

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2026-01-02 | 3.6500%           |
| 2026-01-05 | 3.6500%           |
| 2026-01-06 | 3.6400%           |
| 2026-01-07 | 3.6400%           |
| 2026-01-08 | 3.6300%           |
| 2026-01-09 | 3.6200%           |
| 2026-01-12 | 3.6100%           |
| 2026-01-13 | 3.6100%           |
| 2026-01-14 | 3.6100%           |
| 2026-01-15 | 3.6100%           |
| 2026-01-16 | 3.6000%           |
| 2026-01-20 | 3.6000%           |
| 2026-01-21 | 3.6000%           |
| 2026-01-22 | 3.6000%           |
| 2026-01-23 | 3.6000%           |
| 2026-01-26 | 3.5900%           |
| 2026-01-27 | 3.5900%           |
| 2026-01-28 | 3.5900%           |
| 2026-01-29 | 3.5900%           |
| 2026-01-30 | 3.5800%           |

**Beneficial/Record Owner Categories**
| Category                  | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Non-financial corporation |  | 7.5700%          | 0.0000%              |
| Retail investor           |  | 5.3400%          | 0.0000%              |
| Non-financial corporation |  | 86.4400%         | 0.0000%              |

### Class: CC

- **Minimum Initial Investment:** $200000000.00

- **Net Assets of Class:** $30057731.59

- **Number of Shares Outstanding:** 30058424.5500

- **Expense Reimbursement/Waiver:** 47591.88

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2026-01-02 | 1.0000          |
|  |  |
| 2026-01-05 | 1.0000          |
|  |  |
| 2026-01-06 | 1.0000          |
|  |  |
| 2026-01-07 | 1.0000          |
|  |  |
| 2026-01-08 | 1.0000          |
|  |  |
| 2026-01-09 | 1.0000          |
|  |  |
| 2026-01-12 | 1.0000          |
|  |  |
| 2026-01-13 | 1.0000          |
|  |  |
| 2026-01-14 | 1.0000          |
|  |  |
| 2026-01-15 | 1.0000          |
|  |  |
| 2026-01-16 | 1.0000          |
|  |  |
| 2026-01-20 | 1.0000          |
|  |  |
| 2026-01-21 | 1.0000          |
|  |  |
| 2026-01-22 | 1.0000          |
|  |  |
| 2026-01-23 | 1.0000          |
|  |  |
| 2026-01-26 | 1.0000          |
|  |  |
| 2026-01-27 | 1.0000          |
|  |  |
| 2026-01-28 | 1.0000          |
|  |  |
| 2026-01-29 | 1.0000          |
|  |  |
| 2026-01-30 | 1.0000          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2026-01-02 | $150214647.48             | $2000000.00             |
| 2026-01-05 | $0.00                     | $0.00                   |
| 2026-01-06 | $0.00                     | $0.00                   |
| 2026-01-07 | $0.00                     | $0.00                   |
| 2026-01-08 | $0.00                     | $0.00                   |
| 2026-01-09 | $13000000.00              | $0.00                   |
| 2026-01-12 | $25000000.00              | $0.00                   |
| 2026-01-13 | $0.00                     | $0.00                   |
| 2026-01-14 | $0.00                     | $10000000.00            |
| 2026-01-15 | $0.00                     | $6000000.00             |
| 2026-01-16 | $0.00                     | $0.00                   |
| 2026-01-20 | $5000000.00               | $0.00                   |
| 2026-01-21 | $0.00                     | $0.00                   |
| 2026-01-22 | $10000000.00              | $0.00                   |
| 2026-01-23 | $0.00                     | $0.00                   |
| 2026-01-26 | $0.00                     | $5000000.00             |
| 2026-01-27 | $0.00                     | $0.00                   |
| 2026-01-28 | $0.00                     | $0.00                   |
| 2026-01-29 | $0.00                     | $5000000.00             |
| 2026-01-30 | $0.00                     | $215000000.00           |

**Total Gross Subscriptions (Month):** $203214647.48

**Total Gross Redemptions (Month):** $243000000.00

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2026-01-02 | 3.6700%           |
| 2026-01-05 | 3.6700%           |
| 2026-01-06 | 3.6600%           |
| 2026-01-07 | 3.6600%           |
| 2026-01-08 | 3.6500%           |
| 2026-01-09 | 3.6400%           |
| 2026-01-12 | 3.6300%           |
| 2026-01-13 | 3.6300%           |
| 2026-01-14 | 3.6300%           |
| 2026-01-15 | 3.6300%           |
| 2026-01-16 | 3.6200%           |
| 2026-01-20 | 3.6200%           |
| 2026-01-21 | 3.6200%           |
| 2026-01-22 | 3.6200%           |
| 2026-01-23 | 3.6200%           |
| 2026-01-26 | 3.6100%           |
| 2026-01-27 | 3.6100%           |
| 2026-01-28 | 3.6100%           |
| 2026-01-29 | 3.6100%           |
| 2026-01-30 | 3.6000%           |

**Beneficial/Record Owner Categories**
| Category                  | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Non-financial corporation |  | 6.6700%          | 0.0000%              |
| Non-financial corporation |  | 7.0400%          | 0.0000%              |
| Non-financial corporation |  | 21.6100%         | 0.0000%              |
| Non-financial corporation |  | 9.5000%          | 0.0000%              |
| Non-financial corporation |  | 51.6000%         | 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):** $1359594634.00
- **C.18.a - Value (excl. sponsor support):** $1359594634.00
- **C.19 - Percentage of Net Assets:** 100.0000%
- **C.17 - Yield as of Reporting Date:** 0.0000%
- **C.11 - Maturity Date (WAM):** 2026-02-02
- **C.12 - Maturity Date (WAL):** 2026-02-02
- **C.13 - Final Legal Maturity Date:** 2026-02-02
- **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:** 2026-02-06

**By:** /s/Christopher Berarducci

**Name of Signing Officer:** Christopher Berarducci

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