As of November 6, 2026, OneWater Marine Inc. is a publicly traded company (Nasdaq: ONEW); its largest reported holder is American Century Investments, with 13% on Schedule 13G/A of August 14, 2026, then Philadelphia Financial Management of San Francisco, LLC (5.5%). The largest insider holding is Singleton Asset Management, LLC with 1,938,764 shares, per Form 4 of October 5, 2026 (Schedule 13G/A, August 14, 2026).
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Is OneWater Marine Inc. a real, registered company?
- OneWater Marine Inc. files with the SEC under CIK 1772921 (its SEC filings).
- Its shares are listed under the ticker ONEW on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Buford, Georgia, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under OneWater Marine Inc. in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is B. Lamkin, Director (Form 8-K filed 2026-09-08). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names American Century Investments (filed 2026-08-14).
Who are OneWater Marine Inc.'s owners and officers?
OneWater Marine Inc.: incorporated in Delaware; business address in Buford, Georgia; industry Retail-Auto & Home Supply Stores (Form D, 2026-09-08).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-08-14 | American Century Investment Management, Inc. | 13% |
| Schedule 13G/A, 2026-07-22 | Royce & Associates LP | 3.39% |
| Schedule 13G/A, 2026-05-01 | American Century Investment Management, Inc. | 14.1% |
| Schedule 13G/A, 2026-02-17 | Gilder Gagnon Howe & Co LLC | 5% |
| Schedule 13G/A, 2026-01-20 | Royce & Associates LP | 5.46% |
| Schedule 13G, 2025-10-16 | Philadelphia Financial Management Of San Francisco, LLC | 5.5% |
| Schedule 13G/A, 2025-08-13 | Capital World Investors | 4.6% |
| Schedule 13G/A, 2025-07-22 | Royce & Associates LP | 9.07% |
| Schedule 13G/A, 2025-07-17 | Blackrock, Inc. | 4.9% |
| Schedule 13G/A, 2025-07-14 | Gilder Gagnon Howe & Co LLC | 5.3% |
Questions about who owns OneWater Marine Inc.
Who owns OneWater Marine Inc.?
On this page, 3 holders' latest ownership filings report 5% or more of OneWater Marine Inc.: American Century Investment Management, Inc. (13%, Schedule 13G/A, filed 2026-08-14), Philadelphia Financial Management Of San Francisco, LLC (5.5%, Schedule 13G, filed 2025-10-16) and Gilder Gagnon Howe & Co LLC (5%, Schedule 13G/A, filed 2026-02-17).
Who are the largest shareholders of OneWater Marine Inc.?
By the share each holder's latest filing reports, the largest holders of OneWater Marine Inc. on this page are American Century Investment Management, Inc. (13%), Philadelphia Financial Management Of San Francisco, LLC (5.5%) and Gilder Gagnon Howe & Co LLC (5%).
When did American Century Investment Management, Inc. buy into OneWater Marine Inc.?
The filings give report dates, not purchase dates. The earliest filing from American Century Investment Management, Inc. on this page is the Schedule 13G/A, filed 2026-05-01, reporting 14.1%; its latest, Schedule 13G/A filed 2026-08-14, reports 13%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 10 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-09-08 | B. Lamkin | Director | departed | 2026-09-03 |
Which insiders own OneWater Marine Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- Singleton Asset Management, LLC: 1,938,764 shares, 116,733 held directly and 1,822,031 indirectly, on a joint filing (Form 4, 2026-10-05).
- Michelle Singleton: 1,938,764 shares, 116,733 held directly and 1,822,031 indirectly, on a joint filing (Form 4, 2026-10-05).
- , the chairman and a director: 1,938,764 shares, 116,733 held directly and 1,822,031 indirectly, on a joint filing (Form 4, 2026-10-05).
- , LLLP: 1,938,764 shares, 116,733 held directly and 1,822,031 indirectly, on a joint filing (Form 4, 2026-10-05).
- Philip Singleton Irrevocable Trust, dated December 24, 2015: 1,938,764 shares, 116,733 held directly and 1,822,031 indirectly, on a joint filing (Form 4, 2026-10-05).
Shares only: the company's cover page does not give one share count for a single class, so no percentage is worked out.
How much has OneWater Marine Inc. raised?
Acquisitions reported on Form 8-K, Item 2.01: completed an acquisition (2026-02-06).
Keep reading
More on OneWater Marine Inc. and the records around it.
OneWater Marine Inc. elsewhere on the record
- 5%+ stake filings Aug 2026
Companies that share a holder
- GILDER GAGNON HOWE & CO LLC also filed stake reports on 1 other company: Black Rock Coffee Bar, Inc. (May 2026)
- Philadelphia Financial Management of San Francisco, LLC also filed stake reports on 3 other companies: Skyline Builders Group Holding Limited (Aug 2026), U.S. Gold Corp. (Aug 2026), Home Street Inc. (Aug 2025)
- ROYCE & ASSOCIATES LP also filed stake reports on 61 other companies: Aetherion Technoligies Inc. (Oct 2026), Andersen Group Inc (Oct 2026), NN, Inc. (Oct 2026)
Related pages
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