OneWater Marine Inc. (ONEW) Ownership
ONEW ownership summary
as of October 18, 2026- Institutions
- 73.7% of shares outstanding
- Insiders
- 26.92% of shares outstanding
- Shares outstanding
- 16.7M
- Float
- 11.9M shares available to trade
- Short interest
- 9.33% 1.1M shares short
- Days to cover
- 9.74 short interest down 7.9% vs prior month
- Institutions 73.73%
- Insiders 26.92%
ONEW top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | American Century Companies Inc | 12.92% | 2.2M | $20.3M | −181,449 (−7.8%) | June 30, 2026 |
| 2 | Arnhold & S. Bleichroeder Advisers, LLC | 9.09% | 1.5M | $14.3M | +989,668 (+188.3%) | June 30, 2026 |
| 3 | BlackRock Inc | 5.07% | 845K | $8.0M | +41,074 (+5.1%) | June 30, 2026 |
| 4 | Gilder Gagnon Howe & CO LLC | 4.75% | 791K | $7.5M | −9,872 (−1.2%) | June 30, 2026 |
| 5 | Ameriprise Financial Inc | 4.30% | 717K | $6.8M | +75,695 (+11.8%) | June 30, 2026 |
| 6 | General Equity Holdings LP | 3.81% | 634K | $6.0M | — | June 30, 2026 |
| 7 | Royce & Associates, LP | 3.38% | 563K | $5.3M | −410,017 (−42.1%) | June 30, 2026 |
| 8 | Vanguard Capital Management, LLC | 3.34% | 557K | $5.3M | +45,086 (+8.8%) | June 30, 2026 |
| 9 | Private Management Group Inc | 2.87% | 478K | $4.5M | −13,058 (−2.7%) | June 30, 2026 |
| 10 | Dimensional Fund Advisors, Inc. | 2.67% | 445K | $4.2M | −69,836 (−13.6%) | June 30, 2026 |
| 11 | Hotchkis & Wiley Capital Management LLC | 2.30% | 383K | $3.6M | −26,936 (−6.6%) | June 30, 2026 |
| 12 | Geode Capital Management, LLC | 2.01% | 336K | $3.2M | +12,504 (+3.9%) | June 30, 2026 |
| 13 | State Street Corp | 1.43% | 238K | $2.2M | −11,910 (−4.8%) | June 30, 2026 |
| 14 | Charles Schwab Investment Management Inc | 1.23% | 205K | $1.9M | −62,601 (−23.4%) | June 30, 2026 |
| 15 | The Goldman Sachs Group Inc | 1.03% | 172K | $1.6M | +48,434 (+39.3%) | June 30, 2026 |
| 16 | Divisadero Street Capital Management, LP | 0.86% | 144K | $1.4M | +35,755 (+33.1%) | June 30, 2026 |
| 17 | Marshall Wace Asset Management Ltd | 0.77% | 129K | $1.2M | −131,267 (−50.5%) | June 30, 2026 |
| 18 | Vanguard Portfolio Management, LLC | 0.75% | 125K | $1.2M | +12,983 (+11.6%) | June 30, 2026 |
| 19 | Retirement Systems of Alabama | 0.70% | 117K | $1.1M | — | June 30, 2026 |
| 20 | Bridgeway Capital Management, LLC | 0.70% | 116K | $1.1M | +24,109 (+26.1%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 9 holders added 1.3M shares and 9 cut 917K.
ONEW top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | American Century Small Cap Value Inv | 6.99% | 1.2M | $11.0M | −175,000 (−13.1%) | June 30, 2026 |
| 2 | First Eagle Small Cap Opportunity I | 4.28% | 714K | $6.7M | +17,080 (+2.5%) | August 31, 2026 |
| 3 | Columbia Small Cap Value Discv A | 2.84% | 474K | $4.5M | +3,000 (+0.6%) | August 31, 2026 |
| 4 | Vanguard MStar Total Stk Mkt Idx Invest | 2.35% | 391K | $3.7M | — | August 31, 2026 |
| 5 | Royce Micro-Cap Trust | 2.08% | 347K | $3.3M | +12,332 (+3.7%) | June 30, 2026 |
| 6 | Russell Inv Tax-Managed US Mid&Sm Cap S | 1.79% | 298K | $2.8M | +14,557 (+5.1%) | August 31, 2026 |
| 7 | Bridge Builder Small/Mid Cap Value | 1.75% | 292K | $2.8M | +16,604 (+6.0%) | September 30, 2026 |
| 8 | iShares Russell 2000 ETF | 1.70% | 283K | $2.7M | −3,264 (−1.1%) | September 30, 2026 |
| 9 | DFA US Small Cap Value I | 1.34% | 223K | $2.1M | +6,036 (+2.8%) | August 31, 2026 |
| 10 | Royce Micro-Cap Invmt | 0.98% | 164K | $1.5M | +5,820 (+3.7%) | June 30, 2026 |
| 11 | Fidelity Small Cap Index | 0.76% | 127K | $1.2M | +2,109 (+1.7%) | July 31, 2026 |
| 12 | iShares Russell 2000 Value ETF | 0.64% | 107K | $1.0M | +162 (+0.2%) | September 30, 2026 |
| 13 | Schwab Fundamental U.S. Small CompanyETF | 0.61% | 102K | $960,952 | +140 (+0.1%) | September 30, 2026 |
| 14 | Dimensional US Small Cap Value ETF | 0.52% | 87K | $823,964 | — | September 24, 2026 |
| 15 | Columbia VP Small Cap Value Discovery 1 | 0.50% | 83K | $781,808 | −1,400 (−1.7%) | August 31, 2026 |
| 16 | GuideStone Funds Small Cap Equity Instl | 0.44% | 74K | $697,816 | +5,308 (+7.7%) | September 30, 2026 |
| 17 | Fidelity Extended Market Index | 0.44% | 73K | $687,979 | +2,342 (+3.3%) | August 31, 2026 |
| 18 | Vanguard Russell 2000 ETF | 0.40% | 67K | $636,070 | +1,320 (+2.0%) | August 31, 2026 |
| 19 | First Eagle US Small Cap Opp I-UC | 0.39% | 66K | $620,043 | +1,875 (+2.9%) | August 31, 2026 |
| 20 | EA Bridgeway Omni Small-Cap Value ETF | 0.37% | 62K | $586,930 | — | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
ONEW insider transactions
latest 7| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-12 | John Troiano | Sell | $13.19 | 1,662 | $21,922 |
| 2026-02-12 | Philip Austin Jr. Singleton | Buy | $12.52 | 18,008 | $225,460 |
| 2026-02-11 | Philip Austin Jr. Singleton | Buy | $12.93 | 6,345 | $82,041 |
| 2025-09-19 | Philip Austin Jr. Singleton | Buy | $15.37 | 3,654 | $56,162 |
| 2025-08-27 | John Troiano | Sell | $17.35 | 15,041 | $260,961 |
| 2025-05-23 | Philip Austin Jr. Singleton | Buy | $13.50 | 548 | $7,398 |
| 2025-05-07 | J Steven Roy | Buy | $12.22 | 5,001 | $61,112 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
ONEW shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns ONEW
Institutional investors own 73.7% of OneWater Marine's shares and insiders 26.92%. The largest holder is American Century Companies Inc with 12.92% of the shares (2.2M), as of June 30, 2026. Among the top 20 institutions, 9 added shares and 9 reduced their stake in the latest filings. Short interest is 9.33% of the float, or 9.74 days of average trading volume. The share count rose 120.0% since 2017.
Related: ONEW analyst forecast, ONEW key metrics. See the ONEW stock overview for the latest quote and news.
ONEW ownership FAQ
Who owns the most OneWater Marine stock?
The largest shareholders of OneWater Marine are American Century Companies Inc (12.92%), Arnhold & S. Bleichroeder Advisers, LLC (9.09%), BlackRock Inc (5.07%), Gilder Gagnon Howe & CO LLC (4.75%), Ameriprise Financial Inc (4.30%).
What percentage of OneWater Marine is owned by institutions?
Institutions hold 73.7% of OneWater Marine's shares outstanding; insiders hold 26.92%.
Which funds own OneWater Marine?
The largest fund holders of OneWater Marine are American Century Small Cap Value Inv (6.99%), First Eagle Small Cap Opportunity I (4.28%), Columbia Small Cap Value Discv A (2.84%), Vanguard MStar Total Stk Mkt Idx Invest (2.35%), Royce Micro-Cap Trust (2.08%).
What is OneWater Marine's short interest?
1.1M shares of OneWater Marine were sold short, 9.33% of the float; at the average daily volume it would take 9.74 days to cover.
Are insiders buying or selling OneWater Marine?
Of the latest 7 reported insider transactions in OneWater Marine (since May 7, 2025), 5 were purchases and 2 were sales.
How many shares of OneWater Marine are outstanding?
OneWater Marine has 16.7M shares outstanding, of which 11.9M are in the public float.