# EDGAR Filing Document

**Accession Number:** 0000831114
**File Stem:** 0000894189-25-012427
**Filing Date:** 2025-10
**Character Count:** 6143
**Document Hash:** 009fb26378520d1c1fe0811903db7a8f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000894189-25-012427.hdr.sgml**: 20251029

**ACCESSION NUMBER**: 0000894189-25-012427

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250831

**FILED AS OF DATE**: 20251029

**DATE AS OF CHANGE**: 20251029

**PERIOD START**: 20250831

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** RBB FUND, INC.
- **CENTRAL INDEX KEY:** 0000831114

**ORGANIZATION NAME:**
- **EIN:** 510312196
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 0831

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-05518
- **FILM NUMBER:** 251428441

**BUSINESS ADDRESS:**
- **STREET 1:** 615 E. MICHIGAN ST.
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53202
- **BUSINESS PHONE:** 609-731-6256

**MAIL ADDRESS:**
- **STREET 1:** 615 E. MICHIGAN ST.
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53202

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** RBB FUND INC
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FUND INC /DE/
- **DATE OF NAME CHANGE:** 19600201

## Series and Classes Contracts Data

### Optima Strategic Credit Fund (Series ID: S000074885)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000233245 | Founders Class | OPTCX           |

## Form NPORT-P: Monthly Portfolio Investments Report

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

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

- **a. Name of Registrant:** RBB Fund, Inc.

- **b. Investment Company Act file number:** 811-05518

- **c. CIK number of Registrant:** 0000831114

- **d. LEI of Registrant:** 5493005KKD0GVHSW0D29

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

  - **Street Address 1:** 615 East Michigan Street

  - **City:** Milwaukee

  - **State:** WI

  - **Foreign country:** US

  - **Zip / Postal Code:** 53202

  - **Telephone number:** 262-378-6278

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

- **a. Name of Series:** Optima Strategic Credit Fund

- **b. EDGAR series identifier (if any):** S000074885

- **c. LEI of Series:** 549300M3EB05DQMEQW41

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

- **a. Date of fiscal year-end:** 2025-08-31

- **b. Date as of which information is reported:** 2025-08-31

**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:** $36241757.48

**Total Liabilities:** $156905.68

**Net Assets:** $36084851.80

**Cash Not Reported:** $3183651.53

**Currency Risk Metrics (dv01):**

- 

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

- **3-Month:** 0.000000000000 | **1-Year:** 98.608299000000 | **5-Year:** 4369.326139000000 | **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 C000233245 | 2.37%                | 0.20%                | 0.80%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-8617.76                | $140400.00                                 |
| Month 2  | $-9168.15                | $-35100.00                                 |
| Month 3  | $-9945.27                | $88892.53                                  |

**Designated Index Information**

- **Index Name:** Markit CDX.NA.HY 5Y Long Total Return Index

- **Index Identifier:** CDXTHL15

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| First American Treasury Obliga         | First American Treasury Obligations Fund      | CUSIP: 31846V328<br>LEI: 549300UU586IAH2B8H03 | Long             | STIV             | RF                | US        |   9314139 | NS      | $9314139.27   | 25.81%            |  |  |  | No            |                  1 | On Loan: No      |
| iShares iBoxx $ High Yield Cor         | iShares iBoxx $ High Yield Corporate Bond ETF | CUSIP: 464288513<br>LEI: 549300FCCXHK7O37PQ68 | Long             | EC               | RF                | US        |    130000 | NS      | $10511800.00  | 29.13%            |  |  |  | No            |                  1 | On Loan: No      |
| U.S. Bank Money Market Deposit Account | U.S. Bank Money Market Deposit Account        | CUSIP: 8AMMF0A92<br>LEI: N/A                  | Long             | STIV             | RF                | US        |    250000 | NS      | $250000.00    | 0.69%             |  |  |  | No            |                  1 | On Loan: No      |
| US TREASURY N/B                        | United States Treasury Note/Bond              | CUSIP: 91282CNN7<br>LEI: 254900HROIFWPRGM1V77 | Long             | DBT              | UST               | US        |  10000000 | PA      | $10078906.20  | 27.93%            | 2030-07-31      | Fixed         | 3.88%                 | No            |                  2 | On Loan: No      |
| N/A                                    | MARKIT CDX.NA.HY.44 06/30 (SELL PROTECTION)   | CUSIP: N/A<br>LEI: N/A                        | N/A              | DCR              |  | US        |         1 | NC      | $2801426.56   | 7.76%             |  |  |  | No            |                  2 | On Loan: No      |

### Signature

**Date Signed:** 2025-10-21

**Name of Applicant:** RBB Fund, Inc.

**Signature:** /s/ James G. Shaw

**Name of Signer:** RBB Fund, Inc.

**Title:** CFO COO Secretary