03/04/2026 | Press release | Distributed by Public on 03/04/2026 08:48
50 S. LaSalle Street, Chicago, Illinois 60603
March 4, 2026
VIA EDGAR
Securities and Exchange Commission
Division of Investment Management
100 F Street, N.E.
Washington, D.C. 20549
| Re: | Datum One Series Trust |
| File Nos. 333-237048 and 811-23556 |
Dear Sir or Madam:
In accordance with Rule 497(j) under the Securities Act of 1933, as amended (the "Securities Act"), I hereby certify the following:
| a. | the form of Prospectus and Statement of Additional Information that would have been filed under paragraph (c) of Rule 497 under the Securities Act would not have differed from that contained in the most recent post-effective amendment (Post-Effective Amendment No. 27) to the Datum One Series Trust's registration statement on Form N-1A; and |
| b. | the text of the most recent post-effective amendment (Post-Effective Amendment No. 27) to the Datum One Series Trust's registration statement was filed with the Securities and Exchange Commission via EDGAR on February 27, 2026, and became effective February 28, 2026 (Accession No. 0001398344-26-004012). |
Please contact the undersigned with any questions or comments you may have on this filing.
| Sincerely, | |
|
/s/ Stefania C. Suciu |
|
| Stefania C. Suciu | |
| Secretary | |
| Datum One Series Trust |