# EDGAR Filing Document

**Accession Number:** 0000889512
**File Stem:** 0001145549-25-038830
**Filing Date:** 2025-6
**Character Count:** 18413
**Document Hash:** a957692b408f8405302a769e68f91933
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001145549-25-038830.hdr.sgml**: 20250606

**ACCESSION NUMBER**: 0001145549-25-038830

**CONFORMED SUBMISSION TYPE**: N-MFP3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250531

**FILED AS OF DATE**: 20250606

**DATE AS OF CHANGE**: 20250606

**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:** 251029713

**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):** 2025-05-31

**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:** $5526620368.28

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

- **Cash:** $0.00

- **Total Other Assets:** $15046.29

- **Total Liabilities:** $22568120.06

- **Net Assets of Series:** $5504067294.51

- **Number of Shares Outstanding (Series):** 5504435200.2300

- **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 (%)   |
|:---|:---|:---|:---|:---|
| 2025-05-01 | $20402512033.96           | $21638284902.55            | 71.2000%                  | 75.5100%                   |
| 2025-05-02 | $20761471596.49           | $21997310356.43            | 71.2400%                  | 75.4800%                   |
| 2025-05-05 | $21411570295.74           | $22647431019.47            | 71.5200%                  | 75.6500%                   |
| 2025-05-06 | $21426088302.05           | $22684935789.56            | 71.3100%                  | 75.5000%                   |
| 2025-05-07 | $21376606731.79           | $21835469476.24            | 72.1800%                  | 73.7300%                   |
| 2025-05-08 | $20465896835.79           | $20924774837.19            | 69.2600%                  | 70.8100%                   |
| 2025-05-09 | $19946557108.52           | $20455544330.75            | 68.5800%                  | 70.3300%                   |
| 2025-05-12 | $19871450744.95           | $20457940669.95            | 68.5100%                  | 70.5300%                   |
| 2025-05-13 | $19342088416.33           | $19928623794.11            | 67.3000%                  | 69.3400%                   |
| 2025-05-14 | $19375040287.87           | $19967418248.21            | 67.3300%                  | 69.3900%                   |
| 2025-05-15 | $19729082767.71           | $20191506754.87            | 68.0300%                  | 69.6300%                   |
| 2025-05-16 | $19129789120.85           | $19392305417.65            | 67.8200%                  | 68.7500%                   |
| 2025-05-19 | $18820069272.87           | $19426816339.54            | 67.0000%                  | 69.1600%                   |
| 2025-05-20 | $18420513622.46           | $18865967432.80            | 66.5600%                  | 68.1700%                   |
| 2025-05-21 | $18369038998.70           | $18989501833.74            | 66.5700%                  | 68.8200%                   |
| 2025-05-22 | $17851577810.56           | $18472049670.31            | 65.9300%                  | 68.2200%                   |
| 2025-05-23 | $17755346490.97           | $18375854449.59            | 65.7800%                  | 68.0800%                   |
| 2025-05-27 | $18249536509.12           | $18852138492.46            | 67.0300%                  | 69.2500%                   |
| 2025-05-28 | $18229102767.26           | $18656713796.43            | 67.3000%                  | 68.8800%                   |
| 2025-05-29 | $18336097784.93           | $18763717859.94            | 67.2800%                  | 68.8500%                   |
| 2025-05-30 | $17402070110.58           | $17829717323.08            | 66.1100%                  | 67.7300%                   |

### 7-Day Gross Yield
| Date       | 7-Day Gross Yield   |
|:---|:---|
| 2025-05-01 | 4.4100%             |
| 2025-05-02 | 4.4200%             |
| 2025-05-05 | 4.4100%             |
| 2025-05-06 | 4.4000%             |
| 2025-05-07 | 4.3900%             |
| 2025-05-08 | 4.3900%             |
| 2025-05-09 | 4.3700%             |
| 2025-05-12 | 4.3600%             |
| 2025-05-13 | 4.3600%             |
| 2025-05-14 | 4.3600%             |
| 2025-05-15 | 4.3600%             |
| 2025-05-16 | 4.3700%             |
| 2025-05-19 | 4.3700%             |
| 2025-05-20 | 4.3700%             |
| 2025-05-21 | 4.3700%             |
| 2025-05-22 | 4.3600%             |
| 2025-05-23 | 4.3500%             |
| 2025-05-27 | 4.3600%             |
| 2025-05-28 | 4.3600%             |
| 2025-05-29 | 4.3700%             |
| 2025-05-30 | 4.3900%             |

### Daily Net Asset Value per Share (Series)
| Date       | Net Asset Value per Share   |
|:---|:---|
| 2025-05-01 | 0.9999                      |
|  |  |
| 2025-05-02 | 0.9999                      |
|  |  |
| 2025-05-05 | 0.9999                      |
|  |  |
| 2025-05-06 | 0.9999                      |
|  |  |
| 2025-05-07 | 0.9999                      |
|  |  |
| 2025-05-08 | 0.9999                      |
|  |  |
| 2025-05-09 | 0.9999                      |
|  |  |
| 2025-05-12 | 0.9999                      |
|  |  |
| 2025-05-13 | 0.9999                      |
|  |  |
| 2025-05-14 | 0.9999                      |
|  |  |
| 2025-05-15 | 0.9999                      |
|  |  |
| 2025-05-16 | 0.9999                      |
|  |  |
| 2025-05-19 | 0.9999                      |
|  |  |
| 2025-05-20 | 0.9999                      |
|  |  |
| 2025-05-21 | 0.9999                      |
|  |  |
| 2025-05-22 | 0.9999                      |
|  |  |
| 2025-05-23 | 0.9999                      |
|  |  |
| 2025-05-27 | 0.9999                      |
|  |  |
| 2025-05-28 | 0.9999                      |
|  |  |
| 2025-05-29 | 0.9999                      |
|  |  |
| 2025-05-30 | 0.9999                      |
|  |  |

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

### Class: PC

- **Minimum Initial Investment:** $1.00

- **Net Assets of Class:** $4839758598.60

- **Number of Shares Outstanding:** 4839954202.2900

- **Expense Reimbursement/Waiver:** 897422.10

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2025-05-01 | 1.0000          |
|  |  |
| 2025-05-02 | 1.0000          |
|  |  |
| 2025-05-05 | 1.0000          |
|  |  |
| 2025-05-06 | 1.0000          |
|  |  |
| 2025-05-07 | 1.0000          |
|  |  |
| 2025-05-08 | 1.0000          |
|  |  |
| 2025-05-09 | 1.0000          |
|  |  |
| 2025-05-12 | 1.0000          |
|  |  |
| 2025-05-13 | 1.0000          |
|  |  |
| 2025-05-14 | 1.0000          |
|  |  |
| 2025-05-15 | 1.0000          |
|  |  |
| 2025-05-16 | 1.0000          |
|  |  |
| 2025-05-19 | 1.0000          |
|  |  |
| 2025-05-20 | 1.0000          |
|  |  |
| 2025-05-21 | 1.0000          |
|  |  |
| 2025-05-22 | 1.0000          |
|  |  |
| 2025-05-23 | 1.0000          |
|  |  |
| 2025-05-27 | 1.0000          |
|  |  |
| 2025-05-28 | 1.0000          |
|  |  |
| 2025-05-29 | 1.0000          |
|  |  |
| 2025-05-30 | 1.0000          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-05-01 | $230667249.61             | $368637060.46           |
| 2025-05-02 | $259950000.00             | $214465309.47           |
| 2025-05-05 | $99700000.00              | $371093869.56           |
| 2025-05-06 | $251200000.00             | $19858117.73            |
| 2025-05-07 | $41977978.56              | $311507421.80           |
| 2025-05-08 | $324409271.54             | $35580000.00            |
| 2025-05-09 | $194700000.00             | $358222675.19           |
| 2025-05-12 | $182695069.82             | $18295277.74            |
| 2025-05-13 | $93934443.99              | $255010000.00           |
| 2025-05-14 | $214279962.81             | $126390000.00           |
| 2025-05-15 | $218018702.49             | $633600000.00           |
| 2025-05-16 | $6600000.00               | $232545946.05           |
| 2025-05-19 | $135944103.63             | $74200000.00            |
| 2025-05-20 | $15600000.00              | $288711913.35           |
| 2025-05-21 | $182800000.00             | $31747422.89            |
| 2025-05-22 | $115400000.00             | $331573706.16           |
| 2025-05-23 | $2250000.00               | $123898617.82           |
| 2025-05-27 | $213543975.53             | $182071789.55           |
| 2025-05-28 | $196180531.96             | $337200000.00           |
| 2025-05-29 | $305370000.00             | $66390503.84            |
| 2025-05-30 | $369337000.00             | $368129537.90           |

**Total Gross Subscriptions (Month):** $3654558289.94

**Total Gross Redemptions (Month):** $4749129169.51

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-05-01 | 4.2900%           |
| 2025-05-02 | 4.2900%           |
| 2025-05-05 | 4.2900%           |
| 2025-05-06 | 4.2800%           |
| 2025-05-07 | 4.2700%           |
| 2025-05-08 | 4.2700%           |
| 2025-05-09 | 4.2500%           |
| 2025-05-12 | 4.2400%           |
| 2025-05-13 | 4.2400%           |
| 2025-05-14 | 4.2400%           |
| 2025-05-15 | 4.2400%           |
| 2025-05-16 | 4.2500%           |
| 2025-05-19 | 4.2500%           |
| 2025-05-20 | 4.2500%           |
| 2025-05-21 | 4.2500%           |
| 2025-05-22 | 4.2400%           |
| 2025-05-23 | 4.2300%           |
| 2025-05-27 | 4.2400%           |
| 2025-05-28 | 4.2400%           |
| 2025-05-29 | 4.2500%           |
| 2025-05-30 | 4.2700%           |

**Beneficial/Record Owner Categories**
| Category                                                                    | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Non-financial corporation                                                   |  | 5.1900%          | 0.0000%              |
| State or municipal government entity (excluding governmental pension plans) |  | 15.3300%         | 0.0000%              |
| Depository institution or other banking institution                         |  | 9.4900%          | 0.0000%              |
| Broker-dealer                                                               |  | 5.0600%          | 0.0000%              |
| Non-financial corporation                                                   |  | 10.0000%         | 0.0000%              |
| Non-financial corporation                                                   |  | 23.1200%         | 0.0000%              |

### Class: CC

- **Minimum Initial Investment:** $200000000.00

- **Net Assets of Class:** $664308695.91

- **Number of Shares Outstanding:** 664480997.9400

- **Expense Reimbursement/Waiver:** 153458.68

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2025-05-01 | 0.9997          |
|  |  |
| 2025-05-02 | 0.9997          |
|  |  |
| 2025-05-05 | 0.9997          |
|  |  |
| 2025-05-06 | 0.9997          |
|  |  |
| 2025-05-07 | 0.9997          |
|  |  |
| 2025-05-08 | 0.9997          |
|  |  |
| 2025-05-09 | 0.9997          |
|  |  |
| 2025-05-12 | 0.9997          |
|  |  |
| 2025-05-13 | 0.9997          |
|  |  |
| 2025-05-14 | 0.9997          |
|  |  |
| 2025-05-15 | 0.9998          |
|  |  |
| 2025-05-16 | 0.9998          |
|  |  |
| 2025-05-19 | 0.9998          |
|  |  |
| 2025-05-20 | 0.9998          |
|  |  |
| 2025-05-21 | 0.9998          |
|  |  |
| 2025-05-22 | 0.9998          |
|  |  |
| 2025-05-23 | 0.9998          |
|  |  |
| 2025-05-27 | 0.9998          |
|  |  |
| 2025-05-28 | 0.9998          |
|  |  |
| 2025-05-29 | 0.9997          |
|  |  |
| 2025-05-30 | 0.9997          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-05-01 | $970619.88                | $0.00                   |
| 2025-05-02 | $800000.00                | $0.00                   |
| 2025-05-05 | $0.00                     | $22400000.00            |
| 2025-05-06 | $35710189.48              | $0.00                   |
| 2025-05-07 | $0.00                     | $24500000.00            |
| 2025-05-08 | $0.00                     | $13800000.00            |
| 2025-05-09 | $31100000.00              | $50200000.00            |
| 2025-05-12 | $3800000.00               | $0.00                   |
| 2025-05-13 | $0.00                     | $28488003.00            |
| 2025-05-14 | $0.00                     | $500000.00              |
| 2025-05-15 | $305700000.00             | $0.00                   |
| 2025-05-16 | $11800000.00              | $0.00                   |
| 2025-05-19 | $29600000.00              | $0.00                   |
| 2025-05-20 | $4900000.00               | $0.00                   |
| 2025-05-21 | $0.00                     | $2000000.00             |
| 2025-05-22 | $5000000.00               | $1000000.00             |
| 2025-05-23 | $0.00                     | $300000.00              |
| 2025-05-27 | $5521264.87               | $9400000.00             |
| 2025-05-29 | $12000000.00              | $300000000.00           |
| 2025-05-30 | $0.00                     | $1000000.00             |

**Total Gross Subscriptions (Month):** $446902074.23

**Total Gross Redemptions (Month):** $453588003.00

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-05-01 | 4.3100%           |
| 2025-05-02 | 4.3100%           |
| 2025-05-05 | 4.3100%           |
| 2025-05-06 | 4.3000%           |
| 2025-05-07 | 4.2900%           |
| 2025-05-08 | 4.2900%           |
| 2025-05-09 | 4.2700%           |
| 2025-05-12 | 4.2600%           |
| 2025-05-13 | 4.2600%           |
| 2025-05-14 | 4.2600%           |
| 2025-05-15 | 4.2600%           |
| 2025-05-16 | 4.2700%           |
| 2025-05-19 | 4.2700%           |
| 2025-05-20 | 4.2700%           |
| 2025-05-21 | 4.2700%           |
| 2025-05-22 | 4.2600%           |
| 2025-05-23 | 4.2500%           |
| 2025-05-27 | 4.2600%           |
| 2025-05-28 | 4.2600%           |
| 2025-05-29 | 4.2700%           |
| 2025-05-30 | 4.2900%           |

**Beneficial/Record Owner Categories**
| Category                                                                    | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| State or municipal government entity (excluding governmental pension plans) |  | 16.1000%         | 0.0000%              |
| Non-financial corporation                                                   |  | 67.6400%         | 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):** $5526620368.28
- **C.18.a - Value (excl. sponsor support):** $5526620368.28
- **C.19 - Percentage of Net Assets:** 100.0000%
- **C.17 - Yield as of Reporting Date:** 0.0000%
- **C.11 - Maturity Date (WAM):** 2025-06-02
- **C.12 - Maturity Date (WAL):** 2025-06-02
- **C.13 - Final Legal Maturity Date:** 2025-06-02
- **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:** 2025-06-06

**By:** /s/Christopher Berarducci

**Name of Signing Officer:** Christopher Berarducci

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