# EDGAR Filing Document

**Accession Number:** 0000889512
**File Stem:** 0001193125-26-259003
**Filing Date:** 2026-6
**Character Count:** 18225
**Document Hash:** c94319efc1fea0fae5e41c2ade79b8c5
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-259003.hdr.sgml**: 20260605

**ACCESSION NUMBER**: 0001193125-26-259003

**CONFORMED SUBMISSION TYPE**: N-MFP3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260531

**FILED AS OF DATE**: 20260605

**DATE AS OF CHANGE**: 20260605

**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:** 261067930

**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):** 2026-05-31

**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:** $6654241355.74

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

- **Cash:** $0.00

- **Total Other Assets:** $28945.45

- **Total Liabilities:** $18173648.87

- **Net Assets of Series:** $6636096652.32

- **Number of Shares Outstanding (Series):** 6636249187.5800

- **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 (%)   |
|:---|:---|:---|:---|:---|
| 2026-05-01 | $19643750728.61           | $21159917190.68            | 65.3500%                  | 70.4000%                   |
| 2026-05-04 | $20388722288.65           | $21904974967.86            | 66.2000%                  | 71.1200%                   |
| 2026-05-05 | $20475125843.01           | $21446814739.33            | 67.4800%                  | 70.6900%                   |
| 2026-05-06 | $20695732953.73           | $21544503465.73            | 66.9000%                  | 69.6500%                   |
| 2026-05-07 | $19062876866.52           | $20237324553.54            | 65.1600%                  | 69.1700%                   |
| 2026-05-08 | $19464086647.29           | $20833778912.44            | 65.6100%                  | 70.2300%                   |
| 2026-05-11 | $19455782350.41           | $20745556141.57            | 65.7900%                  | 70.1500%                   |
| 2026-05-12 | $20433202810.66           | $21423049883.41            | 67.0500%                  | 70.3000%                   |
| 2026-05-13 | $21149069962.24           | $21769085149.92            | 68.5200%                  | 70.5300%                   |
| 2026-05-14 | $20903496109.83           | $21151608753.65            | 69.0800%                  | 69.9000%                   |
| 2026-05-15 | $20193820636.78           | $20759264510.77            | 67.2600%                  | 69.1400%                   |
| 2026-05-18 | $20463367262.71           | $21028858213.42            | 67.5500%                  | 69.4200%                   |
| 2026-05-19 | $19529383921.60           | $20094921949.04            | 66.0800%                  | 68.0000%                   |
| 2026-05-20 | $18648262137.91           | $19160074130.13            | 64.8100%                  | 66.5800%                   |
| 2026-05-21 | $19126182757.12           | $19620251883.39            | 65.4200%                  | 67.1100%                   |
| 2026-05-22 | $18149830589.59           | $18344358252.05            | 65.6600%                  | 66.3700%                   |
| 2026-05-26 | $18729335317.86           | $18923880114.36            | 66.3000%                  | 66.9800%                   |
| 2026-05-27 | $19142881387.54           | $19312436318.09            | 67.1500%                  | 67.7400%                   |
| 2026-05-28 | $19389632067.66           | $19559204116.27            | 67.4300%                  | 68.0200%                   |
| 2026-05-29 | $19732000086.18           | $19901623488.96            | 67.8000%                  | 68.3800%                   |

### 7-Day Gross Yield
| Date       | 7-Day Gross Yield   |
|:---|:---|
| 2026-05-01 | 3.7200%             |
| 2026-05-04 | 3.7100%             |
| 2026-05-05 | 3.7100%             |
| 2026-05-06 | 3.7000%             |
| 2026-05-07 | 3.7000%             |
| 2026-05-08 | 3.6800%             |
| 2026-05-11 | 3.6800%             |
| 2026-05-12 | 3.6700%             |
| 2026-05-13 | 3.6700%             |
| 2026-05-14 | 3.6700%             |
| 2026-05-15 | 3.6600%             |
| 2026-05-18 | 3.6600%             |
| 2026-05-19 | 3.6500%             |
| 2026-05-20 | 3.6500%             |
| 2026-05-21 | 3.6400%             |
| 2026-05-22 | 3.6400%             |
| 2026-05-26 | 3.6500%             |
| 2026-05-27 | 3.6600%             |
| 2026-05-28 | 3.6700%             |
| 2026-05-29 | 3.6900%             |

### Daily Net Asset Value per Share (Series)
| Date       | Net Asset Value per Share   |
|:---|:---|
| 2026-05-01 | 1.0000                      |
|  |  |
| 2026-05-04 | 1.0000                      |
|  |  |
| 2026-05-05 | 1.0000                      |
|  |  |
| 2026-05-06 | 1.0000                      |
|  |  |
| 2026-05-07 | 1.0000                      |
|  |  |
| 2026-05-08 | 1.0000                      |
|  |  |
| 2026-05-11 | 1.0000                      |
|  |  |
| 2026-05-12 | 1.0000                      |
|  |  |
| 2026-05-13 | 1.0000                      |
|  |  |
| 2026-05-14 | 1.0000                      |
|  |  |
| 2026-05-15 | 1.0000                      |
|  |  |
| 2026-05-18 | 1.0000                      |
|  |  |
| 2026-05-19 | 1.0000                      |
|  |  |
| 2026-05-20 | 1.0000                      |
|  |  |
| 2026-05-21 | 1.0000                      |
|  |  |
| 2026-05-22 | 1.0000                      |
|  |  |
| 2026-05-26 | 1.0000                      |
|  |  |
| 2026-05-27 | 1.0000                      |
|  |  |
| 2026-05-28 | 1.0000                      |
|  |  |
| 2026-05-29 | 1.0000                      |
|  |  |

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

### Class: PC

- **Minimum Initial Investment:** $1.00

- **Net Assets of Class:** $5637909697.60

- **Number of Shares Outstanding:** 5637913089.0100

- **Expense Reimbursement/Waiver:** 957114.33

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2026-05-01 | 1.0000          |
|  |  |
| 2026-05-04 | 1.0000          |
|  |  |
| 2026-05-05 | 1.0000          |
|  |  |
| 2026-05-06 | 1.0000          |
|  |  |
| 2026-05-07 | 1.0000          |
|  |  |
| 2026-05-08 | 1.0000          |
|  |  |
| 2026-05-11 | 1.0000          |
|  |  |
| 2026-05-12 | 1.0000          |
|  |  |
| 2026-05-13 | 1.0000          |
|  |  |
| 2026-05-14 | 1.0000          |
|  |  |
| 2026-05-15 | 1.0000          |
|  |  |
| 2026-05-18 | 1.0000          |
|  |  |
| 2026-05-19 | 1.0000          |
|  |  |
| 2026-05-20 | 1.0000          |
|  |  |
| 2026-05-21 | 1.0000          |
|  |  |
| 2026-05-22 | 1.0000          |
|  |  |
| 2026-05-26 | 1.0000          |
|  |  |
| 2026-05-27 | 1.0000          |
|  |  |
| 2026-05-28 | 1.0000          |
|  |  |
| 2026-05-29 | 1.0000          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2026-05-01 | $208922780.18             | $623117516.36           |
| 2026-05-04 | $466795000.00             | $339383391.95           |
| 2026-05-05 | $86378906.23              | $222500000.01           |
| 2026-05-06 | $251980489.58             | $350681711.02           |
| 2026-05-07 | $106863985.10             | $260843926.96           |
| 2026-05-08 | $320183989.78             | $394785347.61           |
| 2026-05-11 | $653070950.70             | $141692168.24           |
| 2026-05-12 | $111600000.00             | $111707254.18           |
| 2026-05-13 | $180500000.00             | $246392658.90           |
| 2026-05-14 | $239500000.00             | $595925503.71           |
| 2026-05-15 | $228164548.97             | $400157372.21           |
| 2026-05-18 | $302517621.16             | $314000060.00           |
| 2026-05-19 | $86030000.00              | $64971451.30            |
| 2026-05-20 | $325028299.06             | $709676820.47           |
| 2026-05-21 | $426750000.00             | $299056713.49           |
| 2026-05-22 | $57200000.00              | $801543529.35           |
| 2026-05-26 | $224372119.65             | $263629174.70           |
| 2026-05-27 | $286540932.09             | $279470126.99           |
| 2026-05-28 | $515075340.14             | $87794000.00            |
| 2026-05-29 | $630317088.58             | $72190317.95            |

**Total Gross Subscriptions (Month):** $5707792051.22

**Total Gross Redemptions (Month):** $6579519045.40

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2026-05-01 | 3.5900%           |
| 2026-05-04 | 3.5800%           |
| 2026-05-05 | 3.5800%           |
| 2026-05-06 | 3.5700%           |
| 2026-05-07 | 3.5700%           |
| 2026-05-08 | 3.5500%           |
| 2026-05-11 | 3.5500%           |
| 2026-05-12 | 3.5400%           |
| 2026-05-13 | 3.5400%           |
| 2026-05-14 | 3.5400%           |
| 2026-05-15 | 3.5300%           |
| 2026-05-18 | 3.5300%           |
| 2026-05-19 | 3.5200%           |
| 2026-05-20 | 3.5200%           |
| 2026-05-21 | 3.5100%           |
| 2026-05-22 | 3.5100%           |
| 2026-05-26 | 3.5200%           |
| 2026-05-27 | 3.5300%           |
| 2026-05-28 | 3.5400%           |
| 2026-05-29 | 3.5600%           |

**Beneficial/Record Owner Categories**
| Category                                                                    | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Depository institution or other banking institution                         |  | 6.8100%          | 0.0000%              |
| Non-financial corporation                                                   |  | 20.9300%         | 0.0000%              |
| Insurance company                                                           |  | 6.6600%          | 0.0000%              |
| Non-financial corporation                                                   |  | 5.5200%          | 0.0000%              |
| Non-financial corporation                                                   |  | 8.8500%          | 0.0000%              |
| Retail investor                                                             |  | 5.2300%          | 0.0000%              |
| State or municipal government entity (excluding governmental pension plans) |  | 7.9400%          | 0.0000%              |

### Class: CC

- **Minimum Initial Investment:** $200000000.00

- **Net Assets of Class:** $998186954.72

- **Number of Shares Outstanding:** 998336098.5700

- **Expense Reimbursement/Waiver:** 179104.77

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2026-05-01 | 0.9998          |
|  |  |
| 2026-05-04 | 0.9998          |
|  |  |
| 2026-05-05 | 0.9998          |
|  |  |
| 2026-05-06 | 0.9999          |
|  |  |
| 2026-05-07 | 0.9998          |
|  |  |
| 2026-05-08 | 0.9998          |
|  |  |
| 2026-05-11 | 0.9998          |
|  |  |
| 2026-05-12 | 0.9998          |
|  |  |
| 2026-05-13 | 0.9999          |
|  |  |
| 2026-05-14 | 0.9999          |
|  |  |
| 2026-05-15 | 0.9998          |
|  |  |
| 2026-05-18 | 0.9999          |
|  |  |
| 2026-05-19 | 0.9999          |
|  |  |
| 2026-05-20 | 0.9999          |
|  |  |
| 2026-05-21 | 0.9999          |
|  |  |
| 2026-05-22 | 0.9998          |
|  |  |
| 2026-05-26 | 0.9998          |
|  |  |
| 2026-05-27 | 0.9998          |
|  |  |
| 2026-05-28 | 0.9998          |
|  |  |
| 2026-05-29 | 0.9999          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2026-05-01 | $452412.23                | $22500000.00            |
| 2026-05-04 | $20100000.00              | $10000000.00            |
| 2026-05-05 | $6600000.00               | $29500000.00            |
| 2026-05-06 | $900000000.00             | $0.00                   |
| 2026-05-07 | $18000000.00              | $912000000.00           |
| 2026-05-08 | $2100000.00               | $10800000.00            |
| 2026-05-11 | $41000000.00              | $20400000.00            |
| 2026-05-12 | $0.00                     | $6474016.22             |
| 2026-05-13 | $600000000.00             | $5400000.00             |
| 2026-05-14 | $800000000.00             | $607000000.00           |
| 2026-05-15 | $34900000.00              | $800000000.00           |
| 2026-05-18 | $600000000.00             | $35300000.00            |
| 2026-05-19 | $0.00                     | $900000.00              |
| 2026-05-20 | $6800000.00               | $0.00                   |
| 2026-05-21 | $400000.00                | $5000000.00             |
| 2026-05-22 | $0.00                     | $607600000.00           |
| 2026-05-26 | $10700000.00              | $0.00                   |
| 2026-05-27 | $0.00                     | $17500000.00            |
| 2026-05-28 | $230000000.00             | $5000000.00             |
| 2026-05-29 | $34000000.00              | $0.00                   |

**Total Gross Subscriptions (Month):** $3305052412.23

**Total Gross Redemptions (Month):** $3095374016.22

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2026-05-01 | 3.6100%           |
| 2026-05-04 | 3.6000%           |
| 2026-05-05 | 3.6000%           |
| 2026-05-06 | 3.5900%           |
| 2026-05-07 | 3.5900%           |
| 2026-05-08 | 3.5700%           |
| 2026-05-11 | 3.5700%           |
| 2026-05-12 | 3.5600%           |
| 2026-05-13 | 3.5600%           |
| 2026-05-14 | 3.5600%           |
| 2026-05-15 | 3.5500%           |
| 2026-05-18 | 3.5500%           |
| 2026-05-19 | 3.5400%           |
| 2026-05-20 | 3.5400%           |
| 2026-05-21 | 3.5300%           |
| 2026-05-22 | 3.5300%           |
| 2026-05-26 | 3.5400%           |
| 2026-05-27 | 3.5500%           |
| 2026-05-28 | 3.5600%           |
| 2026-05-29 | 3.5800%           |

**Beneficial/Record Owner Categories**
| Category                                                                    | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| State or municipal government entity (excluding governmental pension plans) |  | 45.0400%         | 0.0000%              |
| State or municipal government entity (excluding governmental pension plans) |  | 15.0100%         | 0.0000%              |
| State or municipal government entity (excluding governmental pension plans) |  | 31.2500%         | 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):** $6654241355.74
- **C.18.a - Value (excl. sponsor support):** $6654241355.74
- **C.19 - Percentage of Net Assets:** 100.0000%
- **C.17 - Yield as of Reporting Date:** 0.0000%
- **C.11 - Maturity Date (WAM):** 2026-06-01
- **C.12 - Maturity Date (WAL):** 2026-06-01
- **C.13 - Final Legal Maturity Date:** 2026-06-01
- **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:** 2026-06-05

**By:** /s/Christopher Berarducci

**Name of Signing Officer:** Christopher Berarducci

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