# EDGAR Filing Document

**Accession Number:** 0000889512
**File Stem:** 0001193125-26-258992
**Filing Date:** 2026-6
**Character Count:** 21378
**Document Hash:** 771c4c7a257154f9d55017ed141a218b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-258992.hdr.sgml**: 20260605

**ACCESSION NUMBER**: 0001193125-26-258992

**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:** 261067922

**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 Institutional Government Reserves (Series ID: S000016858)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000046975 | Institutional Shares | INGXX           |
| C000046976 | Class L              | LWPXX           |
| C000089734 | Investor Shares      | LGRXX           |

# 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 Institutional Government Reserves

**LEI of Series:** 549300LBHDBDFQFMLY08

**EDGAR Series Identifier:** S000016858

**Total number of share classes in the series:** 3

**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:** $12849426566.58

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

- **Cash:** $0.00

- **Total Other Assets:** $80621.44

- **Total Liabilities:** $41398166.16

- **Net Assets of Series:** $12808109021.86

- **Number of Shares Outstanding (Series):** 12811730180.0390

- **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 | 0.9997                      |
|  |  |
| 2026-05-04 | 0.9997                      |
|  |  |
| 2026-05-05 | 0.9997                      |
|  |  |
| 2026-05-06 | 0.9997                      |
|  |  |
| 2026-05-07 | 0.9997                      |
|  |  |
| 2026-05-08 | 0.9997                      |
|  |  |
| 2026-05-11 | 0.9997                      |
|  |  |
| 2026-05-12 | 0.9997                      |
|  |  |
| 2026-05-13 | 0.9997                      |
|  |  |
| 2026-05-14 | 0.9997                      |
|  |  |
| 2026-05-15 | 0.9997                      |
|  |  |
| 2026-05-18 | 0.9997                      |
|  |  |
| 2026-05-19 | 0.9997                      |
|  |  |
| 2026-05-20 | 0.9997                      |
|  |  |
| 2026-05-21 | 0.9997                      |
|  |  |
| 2026-05-22 | 0.9997                      |
|  |  |
| 2026-05-26 | 0.9997                      |
|  |  |
| 2026-05-27 | 0.9997                      |
|  |  |
| 2026-05-28 | 0.9997                      |
|  |  |
| 2026-05-29 | 0.9997                      |
|  |  |

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

### Class: 0L

- **Minimum Initial Investment:** $1000000.00

- **Net Assets of Class:** $10326123911.00

- **Number of Shares Outstanding:** 10329480502.8390

- **Expense Reimbursement/Waiver:** 1261296.83

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2026-05-01 | 0.9997          |
|  |  |
| 2026-05-04 | 0.9997          |
|  |  |
| 2026-05-05 | 0.9997          |
|  |  |
| 2026-05-06 | 0.9997          |
|  |  |
| 2026-05-07 | 0.9997          |
|  |  |
| 2026-05-08 | 0.9997          |
|  |  |
| 2026-05-11 | 0.9997          |
|  |  |
| 2026-05-12 | 0.9997          |
|  |  |
| 2026-05-13 | 0.9997          |
|  |  |
| 2026-05-14 | 0.9997          |
|  |  |
| 2026-05-15 | 0.9997          |
|  |  |
| 2026-05-18 | 0.9997          |
|  |  |
| 2026-05-19 | 0.9997          |
|  |  |
| 2026-05-20 | 0.9997          |
|  |  |
| 2026-05-21 | 0.9997          |
|  |  |
| 2026-05-22 | 0.9997          |
|  |  |
| 2026-05-26 | 0.9997          |
|  |  |
| 2026-05-27 | 0.9997          |
|  |  |
| 2026-05-28 | 0.9997          |
|  |  |
| 2026-05-29 | 0.9997          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2026-05-01 | $1415421138.11            | $531346692.10           |
| 2026-05-04 | $1015539411.34            | $112666299.13           |
| 2026-05-05 | $417678284.88             | $270840448.50           |
| 2026-05-06 | $181938930.34             | $303730599.64           |
| 2026-05-07 | $100048546.93             | $896211036.88           |
| 2026-05-08 | $516675441.99             | $178822718.06           |
| 2026-05-11 | $179234399.17             | $625592621.75           |
| 2026-05-12 | $578164894.75             | $256496379.28           |
| 2026-05-13 | $424899413.28             | $458535960.05           |
| 2026-05-14 | $286482823.14             | $550796048.48           |
| 2026-05-15 | $935712754.55             | $466925119.18           |
| 2026-05-18 | $306485886.08             | $724691169.05           |
| 2026-05-19 | $492329768.08             | $738472953.84           |
| 2026-05-20 | $185929175.57             | $524237826.22           |
| 2026-05-21 | $505192857.45             | $109861715.30           |
| 2026-05-22 | $301297368.85             | $558519010.19           |
| 2026-05-26 | $531300754.43             | $278208064.51           |
| 2026-05-27 | $785463227.69             | $503869485.23           |
| 2026-05-28 | $502312763.01             | $553034522.70           |
| 2026-05-29 | $574719773.72             | $1256945250.22          |

**Total Gross Subscriptions (Month):** $10236827613.36

**Total Gross Redemptions (Month):** $9899803920.31

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2026-05-01 | 3.5500%           |
| 2026-05-04 | 3.5400%           |
| 2026-05-05 | 3.5400%           |
| 2026-05-06 | 3.5300%           |
| 2026-05-07 | 3.5300%           |
| 2026-05-08 | 3.5100%           |
| 2026-05-11 | 3.5000%           |
| 2026-05-12 | 3.5000%           |
| 2026-05-13 | 3.5000%           |
| 2026-05-14 | 3.5000%           |
| 2026-05-15 | 3.4900%           |
| 2026-05-18 | 3.4900%           |
| 2026-05-19 | 3.4800%           |
| 2026-05-20 | 3.4800%           |
| 2026-05-21 | 3.4700%           |
| 2026-05-22 | 3.4700%           |
| 2026-05-26 | 3.4800%           |
| 2026-05-27 | 3.4900%           |
| 2026-05-28 | 3.5000%           |
| 2026-05-29 | 3.5300%           |

**Beneficial/Record Owner Categories**
| Category                                            | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Broker-dealer                                       |  | 16.7600%         | 0.0000%              |
| Broker-dealer                                       |  | 7.6900%          | 0.0000%              |
| Depository institution or other banking institution |  | 5.6800%          | 0.0000%              |
| Depository institution or other banking institution |  | 27.4100%         | 0.0000%              |
| Non-financial corporation                           |  | 7.8900%          | 0.0000%              |

### Class: 1L

- **Minimum Initial Investment:** $1000000.00

- **Net Assets of Class:** $380715419.09

- **Number of Shares Outstanding:** 380760989.9900

- **Expense Reimbursement/Waiver:** 77088.22

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

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2026-05-01 | $5213374.00               | $0.00                   |
| 2026-05-04 | $0.00                     | $5823281.50             |
| 2026-05-05 | $41060275.53              | $0.00                   |
| 2026-05-06 | $0.00                     | $693889.60              |
| 2026-05-07 | $121898610.11             | $0.00                   |
| 2026-05-08 | $4502990.68               | $0.00                   |
| 2026-05-11 | $2544546.78               | $0.00                   |
| 2026-05-12 | $13455594.37              | $0.00                   |
| 2026-05-13 | $21534906.19              | $0.00                   |
| 2026-05-14 | $10543545.42              | $0.00                   |
| 2026-05-15 | $0.00                     | $12147974.51            |
| 2026-05-18 | $0.00                     | $13613834.36            |
| 2026-05-19 | $0.00                     | $58474225.64            |
| 2026-05-20 | $0.00                     | $44314135.95            |
| 2026-05-21 | $3012769.21               | $0.00                   |
| 2026-05-22 | $0.00                     | $4299668.91             |
| 2026-05-26 | $10560624.57              | $0.00                   |
| 2026-05-27 | $0.00                     | $11854290.84            |
| 2026-05-28 | $1055271.09               | $0.00                   |
| 2026-05-29 | $0.00                     | $2367404.65             |

**Total Gross Subscriptions (Month):** $235382507.95

**Total Gross Redemptions (Month):** $153588705.96

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2026-05-01 | 3.5300%           |
| 2026-05-04 | 3.5200%           |
| 2026-05-05 | 3.5200%           |
| 2026-05-06 | 3.5100%           |
| 2026-05-07 | 3.5100%           |
| 2026-05-08 | 3.4900%           |
| 2026-05-11 | 3.4900%           |
| 2026-05-12 | 3.4800%           |
| 2026-05-13 | 3.4800%           |
| 2026-05-14 | 3.4800%           |
| 2026-05-15 | 3.4700%           |
| 2026-05-18 | 3.4700%           |
| 2026-05-19 | 3.4600%           |
| 2026-05-20 | 3.4600%           |
| 2026-05-21 | 3.4500%           |
| 2026-05-22 | 3.4500%           |
| 2026-05-26 | 3.4600%           |
| 2026-05-27 | 3.4700%           |
| 2026-05-28 | 3.4800%           |
| 2026-05-29 | 3.5000%           |

**Beneficial/Record Owner Categories**
| Category                                            | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Depository institution or other banking institution |  | 99.9700%         | 0.0000%              |

### Class: 0I

- **Minimum Initial Investment:** $1000000.00

- **Net Assets of Class:** $2101269691.77

- **Number of Shares Outstanding:** 2101488687.2100

- **Expense Reimbursement/Waiver:** 303371.40

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

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2026-05-01 | $6220706.08               | $46821311.89            |
| 2026-05-04 | $0.00                     | $139256169.02           |
| 2026-05-05 | $0.00                     | $50132241.16            |
| 2026-05-06 | $88909076.87              | $0.00                   |
| 2026-05-07 | $0.00                     | $97547398.15            |
| 2026-05-08 | $30766864.84              | $0.00                   |
| 2026-05-11 | $0.00                     | $14561188.10            |
| 2026-05-12 | $46694720.63              | $0.00                   |
| 2026-05-13 | $24535765.13              | $0.00                   |
| 2026-05-14 | $0.00                     | $32009049.14            |
| 2026-05-15 | $24278750.22              | $0.00                   |
| 2026-05-18 | $0.00                     | $66131520.52            |
| 2026-05-19 | $29642636.50              | $0.00                   |
| 2026-05-20 | $5382944.07               | $0.00                   |
| 2026-05-21 | $73725426.92              | $0.00                   |
| 2026-05-22 | $0.00                     | $3258212.64             |
| 2026-05-26 | $172879776.92             | $0.00                   |
| 2026-05-27 | $0.00                     | $30670548.92            |
| 2026-05-28 | $0.00                     | $126999.13              |
| 2026-05-29 | $49598686.08              | $0.00                   |

**Total Gross Subscriptions (Month):** $552635354.26

**Total Gross Redemptions (Month):** $480514638.67

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2026-05-01 | 3.5000%           |
| 2026-05-04 | 3.4900%           |
| 2026-05-05 | 3.4900%           |
| 2026-05-06 | 3.4800%           |
| 2026-05-07 | 3.4800%           |
| 2026-05-08 | 3.4600%           |
| 2026-05-11 | 3.4600%           |
| 2026-05-12 | 3.4500%           |
| 2026-05-13 | 3.4500%           |
| 2026-05-14 | 3.4500%           |
| 2026-05-15 | 3.4400%           |
| 2026-05-18 | 3.4400%           |
| 2026-05-19 | 3.4300%           |
| 2026-05-20 | 3.4300%           |
| 2026-05-21 | 3.4200%           |
| 2026-05-22 | 3.4200%           |
| 2026-05-26 | 3.4300%           |
| 2026-05-27 | 3.4400%           |
| 2026-05-28 | 3.4500%           |
| 2026-05-29 | 3.4800%           |

**Beneficial/Record Owner Categories**
| Category                                            | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Depository institution or other banking institution |  | 99.4100%         | 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):** $12849426566.58
- **C.18.a - Value (excl. sponsor support):** $12849426566.58
- **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