
OneWater Marine Inc.
OneWater Marine Inc. (ONEW) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ONEW · as of Sep 30, 2025
Ownership Breakdown
95
Institutional Holders
▲ 4 vs Q2
$194.38M
Total Inst. Value
▲ $27.97M vs Q2
16.62M
Shares Outstanding
freeFloat 70.78%
12.27M
13F Shares Held
▼ 156,400 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ONEW largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
AMERICAN CENTURY COMPANIES INC retail-auto & home supply stores | 2.04M | 12.51% | 12.51% | $32.32B | Nov 12, 2025 | ▲ 71.0K |
ROYCE & ASSOCIATES LP retail-auto & home supply stores | 1.38M | 8.48% | 8.48% | $21.91B | Nov 12, 2025 | ▼ 96.8K |
PHILADELPHIA FINANCIAL MANAGEMENT OF SAN FRANCISCO, LLC retail-auto & home supply stores | 899.3K | 5.51% | 5.51% | $14.25B | Nov 14, 2025 | ▲ 111.8K |
GILDER GAGNON HOWE & CO LLC retail-auto & home supply stores | 857.3K | 5.26% | 5.26% | $13.58B | Nov 14, 2025 | ▼ 4.8K |
BLACKROCK, INC. retail-auto & home supply stores | 832.4K | 5.10% | 5.10% | $13.18B | Nov 12, 2025 | ▼ 5.1K |
CAPITAL WORLD INVESTORS retail-auto & home supply stores | 754.8K | 4.63% | 4.63% | $11.96B | Nov 13, 2025 | — held |
VANGUARD GROUP INC retail-auto & home supply stores | 706.3K | 4.33% | 4.33% | $11.19B | Nov 7, 2025 | ▲ 8.5K |
DIMENSIONAL FUND ADVISORS LP retail-auto & home supply stores | 549.9K | 3.37% | 3.37% | $8.71B | Nov 12, 2025 | ▲ 2.4K |
GENERAL EQUITY HOLDINGS LP retail-auto & home supply stores | 546.4K | 3.35% | 3.35% | $8.65B | Nov 14, 2025 | ▲ 76.1K |
PRIVATE MANAGEMENT GROUP INC retail-auto & home supply stores | 537.6K | 3.30% | 3.30% | $8.52B | Nov 13, 2025 | ▼ 57.9K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
25
Increased
+545.7K shares5
New Positions
first time holders15
Decreased
−588.6K shares0
Sold Out
fully exitedNet shares change (top 50)
42.9K
+545.7K / −588.6K
Net new holders
+15
5 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ONEW insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
2
Buy transactions
5
Sell transactions
0.40
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Bos Teresa D. Member of 10% owner group | Jun 3, 2026 | Sale | 45 | $11.20 | $504.198 | 1.03M | Form 4 ↗ |
Troiano John director | May 7, 2026 | Sale | 2,560 | $12.16 | $31.1K | 168.9K | Form 4 ↗ |
Troiano John director | May 8, 2026 | Sale | 18,801 | $12.07 | $227.0K | 150.1K | Form 4 ↗ |
Troiano John director | May 7, 2026 | Sale | 1,111 | $12.16 | $13.5K | 50.5K | Form 4 ↗ |
Troiano John director | May 8, 2026 | Sale | 9,043 | $12.07 | $109.1K | 41.4K | Form 4 ↗ |
Singleton Philip Austin Jr. Executive Chairman | May 5, 2026 | Purchase | 21,930 | $10.88 | $238.6K | 801.8K | Form 4 ↗ |
Singleton Philip Austin Jr. Executive Chairman | May 4, 2026 | Purchase | 110 | $9.95 | $1.1K | 779.9K | Form 4 ↗ |
Englander Daniel J director | Feb 19, 2026 | Award | 6,099 | — | — | 6.1K | Form 4 ↗ |
Singleton Philip Austin Jr. Executive Chairman | Feb 12, 2026 | Purchase | 18,008 | $12.52 | $225.5K | 779.8K | Form 4 ↗ |
Singleton Philip Austin Jr. Executive Chairman | Feb 11, 2026 | Purchase | 6,345 | $12.93 | $82.0K | 761.8K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
OneWater Marine Inc. (ONEW) is primarily owned by institutional investors, who hold approximately 73.8% of total shares outstanding. Company insiders own approximately 29.22%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of OneWater Marine Inc. is AMERICAN CENTURY COMPANIES INC, holding approximately 2.04 million shares — equal to 12.51% of outstanding shares — as of September 30, 2025.
A total of 95 institutional investors currently hold ONEW stock, with a combined institutional value of approximately $194,382,044 as of the most recent 13F filing period.
Frequently asked questions
ONEW ownershipOneWater Marine Inc. (ONEW) is primarily owned by institutional investors, who hold approximately 73.8% of shares. The largest shareholder is AMERICAN CENTURY COMPANIES INC with a 12.51% stake. Company insiders hold 29.22%. Data sourced from SEC Form 13F as of September 30, 2025.