Onewater Marine
Ownership
Ownership Structure
Who owns Onewater Marine (ONEW)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 72.4% of the shares are freely tradable; institutional investors hold 75.7%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| American Century Companies Inc | 12.92 | 2,153,219 | -7.8 | 06/30/2026 |
| Arnhold & S. Bleichroeder Advisers, LLC | 9.09 | 1,515,336 | +188.3 | 06/30/2026 |
| Royce & Associates, LP | 5.84 | 973,352 | +7.9 | 03/31/2026 |
| BlackRock Inc | 4.82 | 803,725 | +1.0 | 03/31/2026 |
| Gilder Gagnon Howe & CO LLC | 4.81 | 801,247 | -0.7 | 03/31/2026 |
| Ameriprise Financial Inc | 3.85 | 641,619 | +189.3 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| American Century Small Cap Value Inv | 6.99 | 1,165,000 | -13.1 | 06/30/2026 |
| American Century U.S. Small Cap Value | 6.99 | 1,165,000 | -13.1 | 06/30/2026 |
| First Eagle Small Cap Opportunity I | 4.18 | 696,864 | +6.4 | 07/31/2026 |
| First Eagle US Small Cap Strategy | 4.00 | 666,404 | +45.6 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Bos Teresa D. | 10% Owner | 780,574 | 7,493,510 $ | Sep 4, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 4, 2026 | Bos Teresa D. | 10% Owner | Sell | 56,429 | 12.10 | 682,791 |
| Sep 2, 2026 | Bos Teresa D. | 10% Owner | Sell | 52,120 | 12.03 | 627,004 |
| Aug 24, 2026 | Bos Teresa D. | 10% Owner | Sell | 11,251 | 12.54 | 141,054 |
| Aug 11, 2026 | Bos Teresa D. | 10% Owner | Sell | 110,250 | 12.81 | 1,412,303 |
| Aug 10, 2026 | Bos Teresa D. | 10% Owner | Sell | 19,871 | 12.64 | 251,169 |
| Aug 5, 2026 | Bos Teresa D. | 10% Owner | Sell | 8 | 13.00 | 104 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.