# EDGAR Filing Document

**Accession Number:** 0001758583
**File Stem:** 0000910472-25-004266
**Filing Date:** 2025-11
**Character Count:** 6716
**Document Hash:** baeafdf9b57eae8596f55f7c2dc082a5
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000910472-25-004266.hdr.sgml**: 20251126

**ACCESSION NUMBER**: 0000910472-25-004266

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250930

**FILED AS OF DATE**: 20251126

**DATE AS OF CHANGE**: 20251126

**PERIOD START**: 20251231

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Arca U.S. Treasury Fund
- **CENTRAL INDEX KEY:** 0001758583

**ORGANIZATION NAME:**
- **EIN:** 832441527
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-23392
- **FILM NUMBER:** 251527142

**BUSINESS ADDRESS:**
- **STREET 1:** 4151 REDWOOD AVENUE
- **STREET 2:** SUITE 206
- **CITY:** LOS ANGELES
- **STATE:** CA
- **ZIP:** 90066
- **BUSINESS PHONE:** 4242898066

**MAIL ADDRESS:**
- **STREET 1:** 4151 REDWOOD AVENUE
- **STREET 2:** SUITE 206
- **CITY:** LOS ANGELES
- **STATE:** CA
- **ZIP:** 90066

## Nport-Ex

---

| | | | | |
|:---|:---|:---|:---|:---|
| **ARCA U.S. TREASURY FUND** | **ARCA U.S. TREASURY FUND** | **ARCA U.S. TREASURY FUND** | **ARCA U.S. TREASURY FUND** | **ARCA U.S. TREASURY FUND** |
| **SCHEDULE OF INVESTMENTS (Unaudited)** | **SCHEDULE OF INVESTMENTS (Unaudited)** | **SCHEDULE OF INVESTMENTS (Unaudited)** | **SCHEDULE OF INVESTMENTS (Unaudited)** | **SCHEDULE OF INVESTMENTS (Unaudited)** |
| **September 30, 2025** | **September 30, 2025** | **September 30, 2025** | **September 30, 2025** | **September 30, 2025** |
| **Principal Amount ($)** |  | **Yield Rate (%)** | **Maturity** | **Fair Value** |
|  | **SHORT-TERM INVESTMENTS — 106.4%** |  |  |  |
|  | **U.S. TREASURY BILLS** — **97.4%** |  |  |  |
| 150000 | United States Treasury Bill | 4.21 | &nbsp;&nbsp;&nbsp;10/02/25 | $149984 |
| 121000 | United States Treasury Bill | 4.27 | &nbsp;&nbsp;&nbsp;12/26/25 | 119887 |
| 160000 | United States Treasury Bill | 4.07 | &nbsp;&nbsp;&nbsp;03/19/26 | 157200 |
|  |  |  |  | 427071 |
| **Shares** |  |  |  |  |
|  | **MONEY MARKET FUND – 9.0%** |  |  |  |
| 47946 | Fidelity Treasury Portfolio, Class I, 4.01%<sup>(a)</sup> |  |  | &nbsp;&nbsp;&nbsp; 47946 |
|  | **TOTAL SHORT-TERM INVESTMENTS (Cost $474,867)** |  |  | &nbsp;&nbsp;&nbsp; 475017 |
|  | **TOTAL INVESTMENTS – 106.4% (Cost $474,867)** |  |  | &nbsp;&nbsp;&nbsp; $475017 |
|  | **LIABILITIES IN EXCESS OF OTHER ASSETS - (6.4)%** |  |  | &nbsp;&nbsp; (36445) |
|  | **NET ASSETS - 100.0%** |  |  | &nbsp;&nbsp; $438572 |

---

<sup>(a)</sup> Rate disclosed is the seven day effective yield as of September 30, 2025.

## Form NPORT-P: Monthly Portfolio Investments Report

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

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

- **a. Name of Registrant:** Arca U.S. Treasury Fund

- **b. Investment Company Act file number:** 811-23392

- **c. CIK number of Registrant:** 0001758583

- **d. LEI of Registrant:** 5493003T15791YSVP032

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

  - **Street Address 1:** 4151 Redwood Avenue

  - **City:** Los Angeles

  - **State:** CA

  - **Foreign country:** US

  - **Zip / Postal Code:** 90066

  - **Telephone number:** 424-289-8066

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

- **a. Name of Series:** Arca US Treasury Fund

- **c. LEI of Series:** 5493003T15791YSVP032

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

- **a. Date of fiscal year-end:** 2025-12-31

- **b. Date as of which information is reported:** 2025-09-30

**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:** $518931.20

**Total Liabilities:** $80358.73

**Net Assets:** $438572.47

**Currency Risk Metrics (dv01):**

- 

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

- **3-Month:** 0.00000000 | **1-Year:** 0.00000000 | **5-Year:** 0.00000000 | **10-Year:** 0.00000000 | **30-Year:** 0.00000000

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

- **3-Month:** 0.00000000 | **1-Year:** 0.00000000 | **5-Year:** 0.00000000 | **10-Year:** 0.00000000 | **30-Year:** 0.00000000

**Monthly Return Information**

| Class        | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID N/A | 0.00%                | 1.00%                | -0.04%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $0.00                    | $-145.54                                   |
| Month 2  | $0.00                    | $422.55                                    |
| Month 3  | $0.00                    | $49.46                                     |

### 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 Bills     | B 12/26/25    | CUSIP: 912797NU7<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |    121000 | PA      | $119887.14    | 27.34%            | 2025-12-26      | Fixed         | 0.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Bills     | B 10/02/25    | CUSIP: 912797MS3<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |    150000 | PA      | $149983.30    | 34.20%            | 2025-10-02      | Fixed         | 0.00%                 | No            |                  2 | On Loan: No      |
| United States Treasury Bills     | B 03/19/26    | CUSIP: 912797PV3<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |    160000 | PA      | $157200.23    | 35.84%            | 2026-03-19      | Fixed         | 0.00%                 | No            |                  2 | On Loan: No      |
| Fidelity Colchester Street Trust | FID-TRSY PT-I | CUSIP: 316175504<br>LEI: 549300SHPEJB1OPRCV46 | Long             | STIV             | RF                | US        |     39409 | PA      | $39408.90     | 8.99%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-10-28

**Name of Applicant:** Arca U.S. Treasury Fund

**Signature:** Vance Sanders

**Name of Signer:** Vance Sanders

**Title:** Treasurer