# EDGAR Filing Document

**Accession Number:** 0001806095
**File Stem:** 0001683863-25-005187
**Filing Date:** 2025-6
**Character Count:** 8642
**Document Hash:** 6b3a6d656c54ea3e991eff11d514b262
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001683863-25-005187.hdr.sgml**: 20250616

**ACCESSION NUMBER**: 0001683863-25-005187

**CONFORMED SUBMISSION TYPE**: 24F-2NT

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250331

**FILED AS OF DATE**: 20250616

**DATE AS OF CHANGE**: 20250616

**EFFECTIVENESS DATE**: 20250616

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Datum One Series Trust
- **CENTRAL INDEX KEY:** 0001806095

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** 24F-2NT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-237048
- **FILM NUMBER:** 251048913

**BUSINESS ADDRESS:**
- **STREET 1:** 333 SOUTH WABASH AVE.
- **STREET 2:** 43RD FLOOR
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60604
- **BUSINESS PHONE:** 866-494-4270

**MAIL ADDRESS:**
- **STREET 1:** 50 S. LASALLE STREET
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60603

## Series and Classes Contracts Data

### Polar Capital Emerging Market Stars Fund (Series ID: S000068601)

---

|  |  |  |
|:---|:---|:---|
| Class Name                               | Ticker Symbol | Class ID   |
| Polar Capital Emerging Market Stars Fund | POLEX         | C000219507 |

---

### Polar Capital Emerging Market Ex-China Stars Fund (Series ID: S000079543)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                        | Ticker Symbol | Class ID   |
| Polar Capital Emerging Market Ex-China Stars Fund | POLCX         | C000240614 |

---

### BRANDES INTERNATIONAL EQUITY FUND (Series ID: S000084885)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class C    | BIECX         | C000249523 |
| Class I    | BIIEX         | C000249524 |
| Class R6   | BIERX         | C000249525 |
| Class A    | BIEAX         | C000249526 |

---

### BRANDES INTERNATIONAL SMALL CAP EQUITY FUND (Series ID: S000084886)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class A    | BISAX         | C000249527 |
| Class C    | BINCX         | C000249528 |
| Class I    | BISMX         | C000249529 |
| Class R6   | BISRX         | C000249530 |

---

### BRANDES GLOBAL EQUITY FUND (Series ID: S000084887)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class R6   | BGVRX         | C000249531 |
| Class A    | BGEAX         | C000249532 |
| Class C    | BGVCX         | C000249533 |
| Class I    | BGVIX         | C000249534 |

---

### BRANDES SMALL CAP VALUE FUND (Series ID: S000084888)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class A    | BSCAX         | C000249535 |
| Class R6   | BSCRX         | C000249536 |
| Class I    | BSCMX         | C000249537 |

---

### BRANDES EMERGING MARKETS VALUE FUND (Series ID: S000084889)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class C    | BEMCX         | C000249538 |
| Class I    | BEMIX         | C000249539 |
| Class A    | BEMAX         | C000249540 |
| Class R6   | BEMRX         | C000249541 |

---

### BRANDES CORE PLUS FIXED INCOME FUND (Series ID: S000084890)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class A    | BCPAX         | C000249542 |
| Class I    | BCPIX         | C000249543 |
| Class R6   | BCPRX         | C000249544 |

---

### BRANDES SEPARATELY MANAGED ACCOUNT RESERVE TRUST (Series ID: S000084891)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                       | Ticker Symbol | Class ID   |
| BRANDES SEPARATELY MANAGED ACCOUNT RESERVE TRUST | SMARX         | C000249545 |

---

### POLAR CAPITAL INTERNATIONAL SMALL COMPANY FUND (Series ID: S000085283)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                     | Ticker Symbol | Class ID   |
| POLAR CAPITAL INTERNATIONAL SMALL COMPANY FUND | PCSCX         | C000250258 |

---

## Series and Classes Contracts Data

### Polar Capital Emerging Market Stars Fund (Series ID: S000068601)

| Class ID   | Class Name                               | Ticker Symbol   |
|:---|:---|:---|
| C000219507 | Polar Capital Emerging Market Stars Fund | POLEX           |

### Polar Capital Emerging Market Ex-China Stars Fund (Series ID: S000079543)

| Class ID   | Class Name                                        | Ticker Symbol   |
|:---|:---|:---|
| C000240614 | Polar Capital Emerging Market Ex-China Stars Fund | POLCX           |

### BRANDES INTERNATIONAL EQUITY FUND (Series ID: S000084885)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000249523 | Class C      | BIECX           |
| C000249524 | Class I      | BIIEX           |
| C000249525 | Class R6     | BIERX           |
| C000249526 | Class A      | BIEAX           |

### BRANDES INTERNATIONAL SMALL CAP EQUITY FUND (Series ID: S000084886)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000249527 | Class A      | BISAX           |
| C000249528 | Class C      | BINCX           |
| C000249529 | Class I      | BISMX           |
| C000249530 | Class R6     | BISRX           |

### BRANDES GLOBAL EQUITY FUND (Series ID: S000084887)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000249531 | Class R6     | BGVRX           |
| C000249532 | Class A      | BGEAX           |
| C000249533 | Class C      | BGVCX           |
| C000249534 | Class I      | BGVIX           |

### BRANDES SMALL CAP VALUE FUND (Series ID: S000084888)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000249535 | Class A      | BSCAX           |
| C000249536 | Class R6     | BSCRX           |
| C000249537 | Class I      | BSCMX           |

### BRANDES EMERGING MARKETS VALUE FUND (Series ID: S000084889)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000249538 | Class C      | BEMCX           |
| C000249539 | Class I      | BEMIX           |
| C000249540 | Class A      | BEMAX           |
| C000249541 | Class R6     | BEMRX           |

### BRANDES CORE PLUS FIXED INCOME FUND (Series ID: S000084890)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000249542 | Class A      | BCPAX           |
| C000249543 | Class I      | BCPIX           |
| C000249544 | Class R6     | BCPRX           |

### BRANDES SEPARATELY MANAGED ACCOUNT RESERVE TRUST (Series ID: S000084891)

| Class ID   | Class Name                                       | Ticker Symbol   |
|:---|:---|:---|
| C000249545 | BRANDES SEPARATELY MANAGED ACCOUNT RESERVE TRUST | SMARX           |

### POLAR CAPITAL INTERNATIONAL SMALL COMPANY FUND (Series ID: S000085283)

| Class ID   | Class Name                                     | Ticker Symbol   |
|:---|:---|:---|
| C000250258 | POLAR CAPITAL INTERNATIONAL SMALL COMPANY FUND | PCSCX           |

## FORM 24F-2NT: Annual Notice of Securities Sold Pursuant to Rule 24f-2

### 24F-2NT: Filer Information

**Filer CIK:** 1806095

**Is this a LIVE or TEST Filing?:** LIVE

**Filer Investment Company Type:** N-1A

### 24F-2NT: Annual Filing Information

**1. Name and address of issuer:**

- **Name of Issuer:** Datum One Series Trust

- **Address:** 50 S LaSalle Street, Chicago, IL 60603

**2. The Name and EDGAR Identifier of each series or class of securities for which this Form is filed:**

- [ ] Check box if the Form is being filed for all series and classes of the issuer.

**3. Investment Company Act File Number:** 811-23556

   **Securities Act File Number:** 333-237048

**4(a). Last day of fiscal year for which this Form is filed:** 03/31/2025

**4(b). Check box if this Form is being filed late:** [ ]

**4(c). Check box if this is the last time the issuer will be filing this Form:** [ ]

**5. Calculation of registration fee:**

- **(i) Aggregate sale price of securities sold during the fiscal year:** $960545691.00

- **(ii) Aggregate price of securities redeemed or repurchased during the fiscal year:** $390882080.00

- **(iii) Aggregate price of securities redeemed or repurchased during any prior fiscal year:** $2045872586.00

- **(iv) Total available redemption credits [add Items 5(ii) and 5(iii)]:** $2436754666.00

- **(v) Net sales:** $0.00

- **(vi) Redemption credits available for use in future years:** $-1476208975.00

- **(vii) Multiplier for determining registration fee:** 0.0001531

- **(viii) Registration fee due:** $0.00

**Signatures**

**Name and Title:** Tracy L. Dotolo, Treasurer, Principal Financial Officer, and Principal Accounting Officer

**Date:** 06/16/2025

**Signature:** Tracy L. Dotolo