# EDGAR Filing Document

**Accession Number:** 0000924727
**File Stem:** 0001193125-26-242153
**Filing Date:** 2026-5
**Character Count:** 5109
**Document Hash:** 717965bd82fb3c892a61cebd225dc0ac
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-242153.hdr.sgml**: 20260527

**ACCESSION NUMBER**: 0001193125-26-242153

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260331

**FILED AS OF DATE**: 20260527

**DATE AS OF CHANGE**: 20260527

**PERIOD START**: 20260930

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Investment Managers Series Trust III
- **CENTRAL INDEX KEY:** 0000924727

**ORGANIZATION NAME:**
- **EIN:** 043236699
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-08544
- **FILM NUMBER:** 261027501

**BUSINESS ADDRESS:**
- **STREET 1:** 235 W. GALENA STREET
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53212
- **BUSINESS PHONE:** 626-385-5777

**MAIL ADDRESS:**
- **STREET 1:** 235 W. GALENA STREET
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53212

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FPA FUNDS TRUST
- **DATE OF NAME CHANGE:** 20021028

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** UAM FUNDS TRUST
- **DATE OF NAME CHANGE:** 19951101

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** REGIS FUND II
- **DATE OF NAME CHANGE:** 19940606

## Series and Classes Contracts Data

### FPA Short Duration Government ETF (Series ID: S000088662)

| Class ID   | Class Name                        | Ticker Symbol   |
|:---|:---|:---|
| C000254998 | FPA Short Duration Government ETF | FPAS            |

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** Investment Managers Series Trust III

- **b. Investment Company Act file number:** 811-08544

- **c. CIK number of Registrant:** 0000924727

- **d. LEI of Registrant:** 549300H7BXP5EUEHOJ64

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 235 W. Galena Street

  - **City:** Milwaukee

  - **State:** WI

  - **Foreign country:** US

  - **Zip / Postal Code:** 53212

  - **Telephone number:** 626-385-5777

**Item A.2. Information about the Series.**

- **a. Name of Series:** FPA Short Duration Government ETF

- **b. EDGAR series identifier (if any):** S000088662

- **c. LEI of Series:** 984500D0CFA1ECC59704

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2026-09-30

- **b. Date as of which information is reported:** 2026-03-31

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $6280312.80

**Total Liabilities:** $31538.78

**Net Assets:** $6248774.02

**Cash Not Reported:** $94875.26

**Currency Risk Metrics (dv01):**

- 

**Credit Spread Risk - Investment Grade (dv01):**

- **3-Month:** 0.000000000000 | **1-Year:** 0.000000000000 | **5-Year:** 0.000000000000 | **10-Year:** 0.000000000000 | **30-Year:** 0.000000000000

**Credit Spread Risk - Non-Investment Grade (dv01):**

- **3-Month:** 0.000000000000 | **1-Year:** 0.000000000000 | **5-Year:** 0.000000000000 | **10-Year:** 0.000000000000 | **30-Year:** 0.000000000000

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000254998 | 0.08%                | 1.37%                | -1.39%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $0.00                    | $-10641.35                                 |
| Month 2  | $16.26                   | $48349.33                                  |
| Month 3  | $-29506.30               | $-64417.18                                 |

### Schedule of Portfolio Investments

| Name                         | Title           | Identifiers                  | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| United States Treasury Notes | T 3.75 01/31/31 | CUSIP: 91282CPW5<br>LEI: N/A | Long             | DBT              | UST               | US        |   5526000 | PA      | $5479143.39   | 87.68%            | 2031-01-31      | Fixed         | 3.75%                 | No            |                  2 | On Loan: No      |
| United States Treasury Notes | T 3.5 02/28/31  | CUSIP: 91282CQD6<br>LEI: N/A | Long             | DBT              | UST               | US        |    658000 | PA      | $645219.47    | 10.33%            | 2031-02-28      | Fixed         | 3.50%                 | No            |                  2 | On Loan: No      |

### Signature

**Date Signed:** 2026-04-09

**Name of Applicant:** Investment Managers Series Trust III

**Signature:** /s/ Maureen Quill

**Name of Signer:** Maureen Quill

**Title:** President