# EDGAR Filing Document

**Accession Number:** 0000889512
**File Stem:** 0001193125-26-007553
**Filing Date:** 2026-1
**Character Count:** 19245
**Document Hash:** 1dc58713653da8ad0fecc8e0152b86ab
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-007553.hdr.sgml**: 20260108

**ACCESSION NUMBER**: 0001193125-26-007553

**CONFORMED SUBMISSION TYPE**: N-MFP3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260108

**DATE AS OF CHANGE**: 20260108

**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:** 26519236

**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 Government Reserves (Series ID: S000066839)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000215193 | Premium Shares | WACXX           |
| C000215194 | Capital Shares | WABXX           |

# 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):** 2025-12-31

**Registrant Full Name:** Legg Mason Partners Institutional Trust

**CIK Number of Registrant:** 0000889512

**LEI of Registrant:** 54930003LJE4ZPPMRV82

**Name of Series:** Western Asset Premier Institutional Government Reserves

**LEI of Series:** 549300WB3XRN9YTWFB76

**EDGAR Series Identifier:** S000066839

**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:** $9575684092.30

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

- **Cash:** $0.00

- **Total Other Assets:** $69189.31

- **Total Liabilities:** $31173264.55

- **Net Assets of Series:** $9544580017.06

- **Number of Shares Outstanding (Series):** 9544744483.8000

- **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 (%)   |
|:---|:---|:---|:---|:---|
| 2025-12-01 | $20167764120.96           | $22601299842.14            | 62.0900%                  | 69.5800%                   |
| 2025-12-02 | $19146698701.01           | $21679544299.36            | 60.2000%                  | 68.1700%                   |
| 2025-12-03 | $19220236435.56           | $21354130245.05            | 60.2600%                  | 66.9500%                   |
| 2025-12-04 | $19885577353.29           | $22644340456.92            | 61.6400%                  | 70.1900%                   |
| 2025-12-05 | $18896195168.47           | $21687528612.15            | 60.0400%                  | 68.9000%                   |
| 2025-12-08 | $19604088860.16           | $22395595284.27            | 60.3700%                  | 68.9600%                   |
| 2025-12-09 | $19372368658.44           | $21990148547.99            | 60.4100%                  | 68.5700%                   |
| 2025-12-10 | $20790053546.55           | $22607995251.53            | 63.6000%                  | 69.1600%                   |
| 2025-12-11 | $20187993845.11           | $21753612965.52            | 61.3800%                  | 66.1400%                   |
| 2025-12-12 | $19662140892.08           | $21528270191.57            | 60.1800%                  | 65.8900%                   |
| 2025-12-15 | $18445567139.12           | $20311866498.28            | 58.6400%                  | 64.5800%                   |
| 2025-12-16 | $18769382275.04           | $20935851693.92            | 58.8800%                  | 65.6800%                   |
| 2025-12-17 | $18784983416.49           | $20951622895.06            | 58.9000%                  | 65.6900%                   |
| 2025-12-18 | $18345624619.89           | $20212434158.19            | 58.7400%                  | 64.7100%                   |
| 2025-12-19 | $17738029060.15           | $19605348777.53            | 57.9100%                  | 64.0000%                   |
| 2025-12-22 | $17324618961.28           | $19188140965.25            | 57.8100%                  | 64.0300%                   |
| 2025-12-23 | $19246399771.52           | $21110090613.69            | 60.3500%                  | 66.2000%                   |
| 2025-12-24 | $18802316645.60           | $20666345164.18            | 59.7800%                  | 65.7100%                   |
| 2025-12-26 | $17201308325.85           | $20015271775.68            | 56.2000%                  | 65.4000%                   |
| 2025-12-29 | $18609825469.37           | $20846185785.21            | 59.1900%                  | 66.3100%                   |
| 2025-12-30 | $18194434636.56           | $20330962100.15            | 58.8400%                  | 65.7400%                   |
| 2025-12-31 | $18375115939.38           | $19841955392.97            | 60.4100%                  | 65.2300%                   |

### 7-Day Gross Yield
| Date       | 7-Day Gross Yield   |
|:---|:---|
| 2025-12-01 | 4.0700%             |
| 2025-12-02 | 4.0700%             |
| 2025-12-03 | 4.0600%             |
| 2025-12-04 | 4.0500%             |
| 2025-12-05 | 4.0100%             |
| 2025-12-08 | 3.9900%             |
| 2025-12-09 | 3.9800%             |
| 2025-12-10 | 3.9800%             |
| 2025-12-11 | 3.9600%             |
| 2025-12-12 | 3.8900%             |
| 2025-12-15 | 3.8700%             |
| 2025-12-16 | 3.8500%             |
| 2025-12-17 | 3.8300%             |
| 2025-12-18 | 3.8200%             |
| 2025-12-19 | 3.8200%             |
| 2025-12-22 | 3.8100%             |
| 2025-12-23 | 3.8100%             |
| 2025-12-24 | 3.8000%             |
| 2025-12-26 | 3.8100%             |
| 2025-12-29 | 3.8200%             |
| 2025-12-30 | 3.8300%             |
| 2025-12-31 | 3.8500%             |

### Daily Net Asset Value per Share (Series)
| Date       | Net Asset Value per Share   |
|:---|:---|
| 2025-12-01 | 1.0000                      |
|  |  |
| 2025-12-02 | 1.0000                      |
|  |  |
| 2025-12-03 | 1.0000                      |
|  |  |
| 2025-12-04 | 1.0000                      |
|  |  |
| 2025-12-05 | 1.0000                      |
|  |  |
| 2025-12-08 | 1.0000                      |
|  |  |
| 2025-12-09 | 1.0000                      |
|  |  |
| 2025-12-10 | 1.0000                      |
|  |  |
| 2025-12-11 | 1.0000                      |
|  |  |
| 2025-12-12 | 1.0000                      |
|  |  |
| 2025-12-15 | 1.0000                      |
|  |  |
| 2025-12-16 | 1.0000                      |
|  |  |
| 2025-12-17 | 1.0000                      |
|  |  |
| 2025-12-18 | 1.0000                      |
|  |  |
| 2025-12-19 | 1.0000                      |
|  |  |
| 2025-12-22 | 1.0000                      |
|  |  |
| 2025-12-23 | 1.0000                      |
|  |  |
| 2025-12-24 | 1.0000                      |
|  |  |
| 2025-12-26 | 1.0000                      |
|  |  |
| 2025-12-29 | 1.0000                      |
|  |  |
| 2025-12-30 | 1.0000                      |
|  |  |
| 2025-12-31 | 1.0000                      |
|  |  |

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

### Class: PC

- **Minimum Initial Investment:** $1.00

- **Net Assets of Class:** $8263634147.42

- **Number of Shares Outstanding:** 8263654223.0900

- **Expense Reimbursement/Waiver:** 1350226.12

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2025-12-01 | 1.0000          |
|  |  |
| 2025-12-02 | 1.0000          |
|  |  |
| 2025-12-03 | 1.0000          |
|  |  |
| 2025-12-04 | 1.0000          |
|  |  |
| 2025-12-05 | 1.0000          |
|  |  |
| 2025-12-08 | 1.0000          |
|  |  |
| 2025-12-09 | 1.0000          |
|  |  |
| 2025-12-10 | 1.0000          |
|  |  |
| 2025-12-11 | 1.0000          |
|  |  |
| 2025-12-12 | 1.0000          |
|  |  |
| 2025-12-15 | 1.0000          |
|  |  |
| 2025-12-16 | 1.0000          |
|  |  |
| 2025-12-17 | 1.0000          |
|  |  |
| 2025-12-18 | 1.0000          |
|  |  |
| 2025-12-19 | 1.0000          |
|  |  |
| 2025-12-22 | 1.0000          |
|  |  |
| 2025-12-23 | 1.0000          |
|  |  |
| 2025-12-24 | 1.0000          |
|  |  |
| 2025-12-26 | 1.0000          |
|  |  |
| 2025-12-29 | 1.0000          |
|  |  |
| 2025-12-30 | 1.0000          |
|  |  |
| 2025-12-31 | 1.0000          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-12-01 | $520217995.18             | $204091875.47           |
| 2025-12-02 | $1413128109.63            | $16343432.92            |
| 2025-12-03 | $245127233.00             | $369119980.08           |
| 2025-12-04 | $766254757.75             | $370150000.00           |
| 2025-12-05 | $160000000.00             | $969611253.73           |
| 2025-12-08 | $1213922475.31            | $75069000.00            |
| 2025-12-09 | $418298242.04             | $770699594.58           |
| 2025-12-10 | $307021877.25             | $171470000.00           |
| 2025-12-11 | $503475015.19             | $307235000.00           |
| 2025-12-12 | $111127380.14             | $724635521.68           |
| 2025-12-15 | $462180797.39             | $104496179.04           |
| 2025-12-16 | $277110736.04             | $3745000.00             |
| 2025-12-17 | $315972770.36             | $222367075.88           |
| 2025-12-18 | $41200000.00              | $666422192.99           |
| 2025-12-19 | $449600000.00             | $602850953.71           |
| 2025-12-22 | $158220000.00             | $525280996.46           |
| 2025-12-23 | $795255388.02             | $741371788.34           |
| 2025-12-24 | $12000000.00              | $478998615.24           |
| 2025-12-26 | $491285200.80             | $271140000.00           |
| 2025-12-29 | $404174000.00             | $491926493.15           |
| 2025-12-30 | $503000000.00             | $500300238.45           |
| 2025-12-31 | $402242575.51             | $502732454.64           |

**Total Gross Subscriptions (Month):** $9970814553.61

**Total Gross Redemptions (Month):** $9090057646.36

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-12-01 | 3.9400%           |
| 2025-12-02 | 3.9400%           |
| 2025-12-03 | 3.9400%           |
| 2025-12-04 | 3.9200%           |
| 2025-12-05 | 3.8800%           |
| 2025-12-08 | 3.8600%           |
| 2025-12-09 | 3.8500%           |
| 2025-12-10 | 3.8500%           |
| 2025-12-11 | 3.8300%           |
| 2025-12-12 | 3.7600%           |
| 2025-12-15 | 3.7400%           |
| 2025-12-16 | 3.7200%           |
| 2025-12-17 | 3.7000%           |
| 2025-12-18 | 3.6900%           |
| 2025-12-19 | 3.6900%           |
| 2025-12-22 | 3.6800%           |
| 2025-12-23 | 3.6800%           |
| 2025-12-24 | 3.6700%           |
| 2025-12-26 | 3.6800%           |
| 2025-12-29 | 3.6900%           |
| 2025-12-30 | 3.7000%           |
| 2025-12-31 | 3.7200%           |

**Beneficial/Record Owner Categories**
| Category                                                                    | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Depository institution or other banking institution                         |  | 5.4500%          | 0.0000%              |
| Non-financial corporation                                                   |  | 10.8700%         | 0.0000%              |
| Non-financial corporation                                                   |  | 12.4100%         | 0.0000%              |
| State or municipal government entity (excluding governmental pension plans) |  | 7.9100%          | 0.0000%              |
| Insurance company                                                           |  | 6.2600%          | 0.0000%              |
| Non-financial corporation                                                   |  | 17.1500%         | 0.0000%              |

### Class: CC

- **Minimum Initial Investment:** $200000000.00

- **Net Assets of Class:** $1280945869.64

- **Number of Shares Outstanding:** 1281090260.7100

- **Expense Reimbursement/Waiver:** 206751.02

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2025-12-01 | 0.9999          |
|  |  |
| 2025-12-02 | 0.9997          |
|  |  |
| 2025-12-03 | 0.9998          |
|  |  |
| 2025-12-04 | 0.9998          |
|  |  |
| 2025-12-05 | 0.9998          |
|  |  |
| 2025-12-08 | 0.9998          |
|  |  |
| 2025-12-09 | 0.9998          |
|  |  |
| 2025-12-10 | 0.9999          |
|  |  |
| 2025-12-11 | 0.9999          |
|  |  |
| 2025-12-12 | 0.9999          |
|  |  |
| 2025-12-15 | 0.9998          |
|  |  |
| 2025-12-16 | 0.9998          |
|  |  |
| 2025-12-17 | 0.9998          |
|  |  |
| 2025-12-18 | 0.9998          |
|  |  |
| 2025-12-19 | 0.9998          |
|  |  |
| 2025-12-22 | 0.9998          |
|  |  |
| 2025-12-23 | 1.0000          |
|  |  |
| 2025-12-24 | 0.9999          |
|  |  |
| 2025-12-26 | 0.9999          |
|  |  |
| 2025-12-29 | 0.9999          |
|  |  |
| 2025-12-30 | 0.9999          |
|  |  |
| 2025-12-31 | 0.9999          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-12-01 | $508873374.40             | $92300000.00            |
| 2025-12-02 | $0.00                     | $541700000.00           |
| 2025-12-03 | $44400000.00              | $10000000.00            |
| 2025-12-04 | $158800000.00             | $23600000.00            |
| 2025-12-05 | $33600000.00              | $0.00                   |
| 2025-12-08 | $58700000.00              | $0.00                   |
| 2025-12-09 | $21900000.00              | $0.00                   |
| 2025-12-10 | $500000000.00             | $40700000.00            |
| 2025-12-11 | $1600000.00               | $18000000.00            |
| 2025-12-12 | $1000000000.00            | $539000000.00           |
| 2025-12-15 | $13403.73                 | $1016700000.00          |
| 2025-12-16 | $20300000.00              | $4000000.00             |
| 2025-12-17 | $161000000.00             | $15500000.00            |
| 2025-12-18 | $0.00                     | $150600000.00           |
| 2025-12-19 | $0.00                     | $27200000.00            |
| 2025-12-22 | $0.00                     | $8200000.00             |
| 2025-12-23 | $2225000000.00            | $22400000.00            |
| 2025-12-24 | $952700000.00             | $1525000000.00          |
| 2025-12-26 | $0.00                     | $906400000.00           |
| 2025-12-29 | $100000000.00             | $134700000.00           |
| 2025-12-30 | $0.00                     | $60700000.00            |
| 2025-12-31 | $15800000.00              | $100000000.00           |

**Total Gross Subscriptions (Month):** $5802686778.13

**Total Gross Redemptions (Month):** $5236700000.00

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-12-01 | 3.9600%           |
| 2025-12-02 | 3.9600%           |
| 2025-12-03 | 3.9500%           |
| 2025-12-04 | 3.9400%           |
| 2025-12-05 | 3.8900%           |
| 2025-12-08 | 3.8800%           |
| 2025-12-09 | 3.8700%           |
| 2025-12-10 | 3.8700%           |
| 2025-12-11 | 3.8500%           |
| 2025-12-12 | 3.7800%           |
| 2025-12-15 | 3.7600%           |
| 2025-12-16 | 3.7400%           |
| 2025-12-17 | 3.7100%           |
| 2025-12-18 | 3.7100%           |
| 2025-12-19 | 3.7100%           |
| 2025-12-22 | 3.7000%           |
| 2025-12-23 | 3.7000%           |
| 2025-12-24 | 3.6900%           |
| 2025-12-26 | 3.7000%           |
| 2025-12-29 | 3.7100%           |
| 2025-12-30 | 3.7200%           |
| 2025-12-31 | 3.7400%           |

**Beneficial/Record Owner Categories**
| Category                                                                    | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Non-financial corporation                                                   |  | 39.0700%         | 0.0000%              |
| State or municipal government entity (excluding governmental pension plans) |  | 7.7900%          | 0.0000%              |
| State or municipal government entity (excluding governmental pension plans) |  | 10.1300%         | 0.0000%              |
| State or municipal government entity (excluding governmental pension plans) |  | 35.0900%         | 0.0000%              |

## Part C: Schedule of Portfolio Securities

### Security 1: Government Portfolio

- **C.1 - Title:** Government Portfolio
- **C.6 - Investment Category:** Investment Company
- **Identifiers:** C.3 - CUSIP: NA, C.5 - Other ID: LMGOVERNMENT
- **C.18 - Value (incl. sponsor support):** $9575684092.30
- **C.18.a - Value (excl. sponsor support):** $9575684092.30
- **C.19 - Percentage of Net Assets:** 100.0000%
- **C.17 - Yield as of Reporting Date:** 0.0000%
- **C.11 - Maturity Date (WAM):** 2026-01-02
- **C.12 - Maturity Date (WAL):** 2026-01-02
- **C.13 - Final Legal Maturity Date:** 2026-01-02
- **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:** 2026-01-08

**By:** /s/Christopher Berarducci

**Name of Signing Officer:** Christopher Berarducci

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