# EDGAR Filing Document

**Accession Number:** 0000889512
**File Stem:** 0001193125-25-233291
**Filing Date:** 2025-10
**Character Count:** 18449
**Document Hash:** a0f26aa91e62ad9642f18b12dbdd6daf
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-233291.hdr.sgml**: 20251007

**ACCESSION NUMBER**: 0001193125-25-233291

**CONFORMED SUBMISSION TYPE**: N-MFP3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250930

**FILED AS OF DATE**: 20251007

**DATE AS OF CHANGE**: 20251007

**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:** 251379496

**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):** 2025-09-30

**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:** $10702024481.89

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

- **Cash:** $0.00

- **Total Other Assets:** $36605.00

- **Total Liabilities:** $38256719.95

- **Net Assets of Series:** $10663804366.94

- **Number of Shares Outstanding (Series):** 10664089335.5900

- **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 (%)   |
|:---|:---|:---|:---|:---|
| 2025-09-02 | $22896126858.06           | $25483215331.36            | 64.1900%                  | 71.4500%                   |
| 2025-09-03 | $23049763310.43           | $25637089774.51            | 63.9000%                  | 71.0700%                   |
| 2025-09-04 | $23651494294.74           | $26101891323.74            | 64.7800%                  | 71.5000%                   |
| 2025-09-05 | $24056952356.66           | $26408109498.39            | 64.6700%                  | 70.9900%                   |
| 2025-09-08 | $24470721916.72           | $27110703360.48            | 64.2200%                  | 71.1400%                   |
| 2025-09-09 | $23715821809.67           | $26356081318.13            | 63.4900%                  | 70.5600%                   |
| 2025-09-10 | $23348095556.04           | $25988633129.23            | 63.1300%                  | 70.2600%                   |
| 2025-09-11 | $24075306810.75           | $27016122448.64            | 64.1000%                  | 71.9300%                   |
| 2025-09-12 | $23617453365.81           | $26899103197.83            | 63.0900%                  | 71.8500%                   |
| 2025-09-15 | $22953864177.39           | $26449337006.02            | 62.3200%                  | 71.8100%                   |
| 2025-09-16 | $22635620958.86           | $26131396572.35            | 61.9900%                  | 71.5600%                   |
| 2025-09-17 | $23457894729.98           | $26653973128.31            | 63.3400%                  | 71.9700%                   |
| 2025-09-18 | $23713740305.94           | $26495121489.09            | 63.6300%                  | 71.0900%                   |
| 2025-09-19 | $23917913698.60           | $26900203236.29            | 63.4700%                  | 71.3800%                   |
| 2025-09-22 | $23092474067.58           | $25947392198.79            | 62.9500%                  | 70.7300%                   |
| 2025-09-23 | $22847234196.99           | $25702440233.48            | 62.7000%                  | 70.5300%                   |
| 2025-09-24 | $22303267251.55           | $25158761193.26            | 62.1300%                  | 70.0800%                   |
| 2025-09-25 | $22646235071.85           | $25202016918.81            | 63.0100%                  | 70.1200%                   |
| 2025-09-26 | $21648620516.00           | $24622376017.61            | 61.5300%                  | 69.9800%                   |
| 2025-09-29 | $22380209822.03           | $25633706426.25            | 62.3100%                  | 71.3700%                   |
| 2025-09-30 | $21364023505.78           | $24617805381.50            | 61.2400%                  | 70.5700%                   |

### 7-Day Gross Yield
| Date       | 7-Day Gross Yield   |
|:---|:---|
| 2025-09-02 | 4.3400%             |
| 2025-09-03 | 4.3400%             |
| 2025-09-04 | 4.3400%             |
| 2025-09-05 | 4.3500%             |
| 2025-09-08 | 4.3700%             |
| 2025-09-09 | 4.3900%             |
| 2025-09-10 | 4.3900%             |
| 2025-09-11 | 4.3900%             |
| 2025-09-12 | 4.3800%             |
| 2025-09-15 | 4.3900%             |
| 2025-09-16 | 4.3900%             |
| 2025-09-17 | 4.3800%             |
| 2025-09-18 | 4.3700%             |
| 2025-09-19 | 4.2900%             |
| 2025-09-22 | 4.2600%             |
| 2025-09-23 | 4.2300%             |
| 2025-09-24 | 4.2000%             |
| 2025-09-25 | 4.2000%             |
| 2025-09-26 | 4.2100%             |
| 2025-09-29 | 4.2100%             |
| 2025-09-30 | 4.2100%             |

### Daily Net Asset Value per Share (Series)
| Date       | Net Asset Value per Share   |
|:---|:---|
| 2025-09-02 | 1.0000                      |
|  |  |
| 2025-09-03 | 1.0000                      |
|  |  |
| 2025-09-04 | 1.0000                      |
|  |  |
| 2025-09-05 | 1.0000                      |
|  |  |
| 2025-09-08 | 1.0000                      |
|  |  |
| 2025-09-09 | 1.0000                      |
|  |  |
| 2025-09-10 | 1.0000                      |
|  |  |
| 2025-09-11 | 1.0000                      |
|  |  |
| 2025-09-12 | 1.0000                      |
|  |  |
| 2025-09-15 | 1.0000                      |
|  |  |
| 2025-09-16 | 1.0000                      |
|  |  |
| 2025-09-17 | 1.0000                      |
|  |  |
| 2025-09-18 | 1.0000                      |
|  |  |
| 2025-09-19 | 1.0000                      |
|  |  |
| 2025-09-22 | 1.0000                      |
|  |  |
| 2025-09-23 | 1.0000                      |
|  |  |
| 2025-09-24 | 1.0000                      |
|  |  |
| 2025-09-25 | 1.0000                      |
|  |  |
| 2025-09-26 | 1.0000                      |
|  |  |
| 2025-09-29 | 1.0000                      |
|  |  |
| 2025-09-30 | 1.0000                      |
|  |  |

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

### Class: PC

- **Minimum Initial Investment:** $1.00

- **Net Assets of Class:** $9336497430.15

- **Number of Shares Outstanding:** 9336717396.0300

- **Expense Reimbursement/Waiver:** 1412590.79

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2025-09-02 | 1.0000          |
|  |  |
| 2025-09-03 | 1.0000          |
|  |  |
| 2025-09-04 | 1.0000          |
|  |  |
| 2025-09-05 | 1.0000          |
|  |  |
| 2025-09-08 | 1.0000          |
|  |  |
| 2025-09-09 | 1.0000          |
|  |  |
| 2025-09-10 | 1.0000          |
|  |  |
| 2025-09-11 | 1.0000          |
|  |  |
| 2025-09-12 | 1.0000          |
|  |  |
| 2025-09-15 | 1.0000          |
|  |  |
| 2025-09-16 | 1.0000          |
|  |  |
| 2025-09-17 | 1.0000          |
|  |  |
| 2025-09-18 | 1.0000          |
|  |  |
| 2025-09-19 | 1.0000          |
|  |  |
| 2025-09-22 | 1.0000          |
|  |  |
| 2025-09-23 | 1.0000          |
|  |  |
| 2025-09-24 | 1.0000          |
|  |  |
| 2025-09-25 | 1.0000          |
|  |  |
| 2025-09-26 | 1.0000          |
|  |  |
| 2025-09-29 | 1.0000          |
|  |  |
| 2025-09-30 | 1.0000          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-09-02 | $1062001558.31            | $368634586.00           |
| 2025-09-03 | $336966000.00             | $161973243.29           |
| 2025-09-04 | $212339351.76             | $369700784.60           |
| 2025-09-05 | $261700000.00             | $125339111.95           |
| 2025-09-08 | $759644447.97             | $165815000.00           |
| 2025-09-09 | $458842859.56             | $473171676.75           |
| 2025-09-10 | $465278278.64             | $243900000.00           |
| 2025-09-11 | $420294352.30             | $16852000.00            |
| 2025-09-12 | $81369005.08              | $1444085000.00          |
| 2025-09-15 | $640258185.54             | $310386709.15           |
| 2025-09-16 | $229098984.25             | $290197346.22           |
| 2025-09-17 | $380178049.63             | $51539480.42            |
| 2025-09-18 | $156581444.70             | $800680532.32           |
| 2025-09-19 | $97140391.16              | $142748181.27           |
| 2025-09-22 | $29043896.93              | $67157886.37            |
| 2025-09-23 | $368839015.73             | $292930000.00           |
| 2025-09-24 | $30600000.00              | $426029116.75           |
| 2025-09-25 | $479403109.16             | $706077132.00           |
| 2025-09-26 | $250917390.19             | $778278458.49           |
| 2025-09-29 | $405002193.85             | $112775000.00           |
| 2025-09-30 | $416277620.00             | $194696564.72           |

**Total Gross Subscriptions (Month):** $7541776134.76

**Total Gross Redemptions (Month):** $7542967810.30

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-09-02 | 4.2100%           |
| 2025-09-03 | 4.2100%           |
| 2025-09-04 | 4.2100%           |
| 2025-09-05 | 4.2200%           |
| 2025-09-08 | 4.2400%           |
| 2025-09-09 | 4.2600%           |
| 2025-09-10 | 4.2600%           |
| 2025-09-11 | 4.2600%           |
| 2025-09-12 | 4.2500%           |
| 2025-09-15 | 4.2600%           |
| 2025-09-16 | 4.2600%           |
| 2025-09-17 | 4.2500%           |
| 2025-09-18 | 4.2400%           |
| 2025-09-19 | 4.1600%           |
| 2025-09-22 | 4.1300%           |
| 2025-09-23 | 4.1000%           |
| 2025-09-24 | 4.0700%           |
| 2025-09-25 | 4.0700%           |
| 2025-09-26 | 4.0800%           |
| 2025-09-29 | 4.0800%           |
| 2025-09-30 | 4.0800%           |

**Beneficial/Record Owner Categories**
| Category                                            | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Non-financial corporation                           |  | 6.5200%          | 0.0000%              |
| Non-financial corporation                           |  | 11.1100%         | 0.0000%              |
| Non-financial corporation                           |  | 10.7900%         | 0.0000%              |
| Non-financial corporation                           |  | 13.6300%         | 0.0000%              |
| Depository institution or other banking institution |  | 8.5800%          | 0.0000%              |
| Insurance company                                   |  | 5.2600%          | 0.0000%              |

### Class: CC

- **Minimum Initial Investment:** $200000000.00

- **Net Assets of Class:** $1327306936.79

- **Number of Shares Outstanding:** 1327371939.5600

- **Expense Reimbursement/Waiver:** 207043.13

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2025-09-02 | 0.9998          |
|  |  |
| 2025-09-03 | 0.9998          |
|  |  |
| 2025-09-04 | 0.9998          |
|  |  |
| 2025-09-05 | 0.9998          |
|  |  |
| 2025-09-08 | 0.9998          |
|  |  |
| 2025-09-09 | 0.9998          |
|  |  |
| 2025-09-10 | 0.9998          |
|  |  |
| 2025-09-11 | 0.9998          |
|  |  |
| 2025-09-12 | 0.9999          |
|  |  |
| 2025-09-15 | 0.9999          |
|  |  |
| 2025-09-16 | 0.9997          |
|  |  |
| 2025-09-17 | 0.9997          |
|  |  |
| 2025-09-18 | 0.9998          |
|  |  |
| 2025-09-19 | 0.9999          |
|  |  |
| 2025-09-22 | 0.9999          |
|  |  |
| 2025-09-23 | 0.9999          |
|  |  |
| 2025-09-24 | 0.9999          |
|  |  |
| 2025-09-25 | 0.9999          |
|  |  |
| 2025-09-26 | 1.0000          |
|  |  |
| 2025-09-29 | 1.0000          |
|  |  |
| 2025-09-30 | 1.0000          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2025-09-02 | $1527378.40               | $56400000.00            |
| 2025-09-03 | $1300000.00               | $48500000.00            |
| 2025-09-04 | $300000000.00             | $308200000.00           |
| 2025-09-05 | $0.00                     | $0.00                   |
| 2025-09-08 | $306300000.00             | $300000000.00           |
| 2025-09-09 | $302600000.00             | $300000000.00           |
| 2025-09-10 | $48100000.00              | $300000000.00           |
| 2025-09-11 | $2500000.00               | $0.00                   |
| 2025-09-12 | $1751500000.00            | $8600000.00             |
| 2025-09-15 | $511700000.00             | $1828300000.00          |
| 2025-09-16 | $0.00                     | $500000000.00           |
| 2025-09-17 | $0.00                     | $2800000.00             |
| 2025-09-18 | $302400000.00             | $25539871.00            |
| 2025-09-19 | $925500000.00             | $1600000.00             |
| 2025-09-22 | $900000.00                | $300000000.00           |
| 2025-09-23 | $305800000.00             | $100000000.00           |
| 2025-09-24 | $10800000.00              | $25800000.00            |
| 2025-09-25 | $508800000.00             | $1100000000.00          |
| 2025-09-26 | $700000000.00             | $505900000.00           |
| 2025-09-29 | $338900000.00             | $0.00                   |
| 2025-09-30 | $700000.00                | $330000000.00           |

**Total Gross Subscriptions (Month):** $6319327378.40

**Total Gross Redemptions (Month):** $6041639871.00

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2025-09-02 | 4.2300%           |
| 2025-09-03 | 4.2300%           |
| 2025-09-04 | 4.2300%           |
| 2025-09-05 | 4.2400%           |
| 2025-09-08 | 4.2600%           |
| 2025-09-09 | 4.2800%           |
| 2025-09-10 | 4.2800%           |
| 2025-09-11 | 4.2800%           |
| 2025-09-12 | 4.2700%           |
| 2025-09-15 | 4.2800%           |
| 2025-09-16 | 4.2800%           |
| 2025-09-17 | 4.2700%           |
| 2025-09-18 | 4.2600%           |
| 2025-09-19 | 4.1800%           |
| 2025-09-22 | 4.1400%           |
| 2025-09-23 | 4.1200%           |
| 2025-09-24 | 4.0900%           |
| 2025-09-25 | 4.0900%           |
| 2025-09-26 | 4.1000%           |
| 2025-09-29 | 4.1000%           |
| 2025-09-30 | 4.1000%           |

**Beneficial/Record Owner Categories**
| Category                                                                    | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Non-financial corporation                                                   |  | 33.8800%         | 0.0000%              |
| Non-financial corporation                                                   |  | 52.7800%         | 0.0000%              |
| State or municipal government entity (excluding governmental pension plans) |  | 5.7900%          | 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):** $10702024481.89
- **C.18.a - Value (excl. sponsor support):** $10702024481.89
- **C.19 - Percentage of Net Assets:** 100.0000%
- **C.17 - Yield as of Reporting Date:** 0.0000%
- **C.11 - Maturity Date (WAM):** 2025-10-01
- **C.12 - Maturity Date (WAL):** 2025-10-01
- **C.13 - Final Legal Maturity Date:** 2025-10-01
- **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:** 2025-10-07

**By:** /s/Christopher Berarducci

**Name of Signing Officer:** Christopher Berarducci

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