MarineMax, Inc.
MarineMax, Inc. (HZO) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · HZO · as of Mar 31, 2025
Ownership Breakdown
156
Institutional Holders
▼ 8 vs Q4
$429.65M
Total Inst. Value
▼ $122.12M vs Q4
22.03M
Shares Outstanding
freeFloat 88.77%
19.98M
13F Shares Held
▲ 916,757 vs Q4
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
HZO largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. retail-auto & home supply stores | 3.26M | 14.40% | 14.40% | $70.01B | May 2, 2025 | ▼ 80.2K |
AMERICAN CENTURY COMPANIES INC retail-auto & home supply stores | 2.09M | 9.22% | 9.22% | $44.86B | May 13, 2025 | ▲ 53.9K |
VANGUARD GROUP INC retail-auto & home supply stores | 1.53M | 6.77% | 6.77% | $32.94B | May 9, 2025 | ▲ 37.2K |
DIMENSIONAL FUND ADVISORS LP retail-auto & home supply stores | 1.38M | 6.12% | 6.12% | $29.74B | May 13, 2025 | ▼ 76.8K |
STATE STREET CORP retail-auto & home supply stores | 911.4K | 4.03% | 4.03% | $19.60B | May 15, 2025 | ▼ 17.0K |
BROAD BAY CAPITAL MANAGEMENT, LP retail-auto & home supply stores | 843.8K | 3.73% | 3.73% | $18.14B | May 15, 2025 | ▲ 155.8K |
CITADEL ADVISORS LLC retail-auto & home supply stores | 587.5K | 2.60% | 2.60% | $12.63B | May 15, 2025 | ▲ 58.9K |
PRIVATE MANAGEMENT GROUP INC retail-auto & home supply stores | 559.1K | 2.47% | 2.47% | $12.02B | May 7, 2025 | ▲ 31.2K |
LEVIN CAPITAL STRATEGIES, L.P. retail-auto & home supply stores | 508.3K | 2.25% | 2.25% | $10.93B | May 9, 2025 | ▲ 151.0K |
GEODE CAPITAL MANAGEMENT, LLC retail-auto & home supply stores | 503.1K | 2.22% | 2.22% | $10.82B | May 13, 2025 | ▲ 26.0K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
29
Increased
+1.97M shares3
New Positions
first time holders17
Decreased
−362.7K shares0
Sold Out
fully exitedNet shares change (top 50)
+1.61M
+1.97M / −362.7K
Net new holders
+15
3 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
HZO insider trading · insider activity
Source: SEC Form 4
26
Buy transactions
7
Sell transactions
3.71
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 |
|---|---|---|---|---|---|---|---|
Johnson Adam M. director | Dec 31, 2025 | Award | 825 | $24.23 | $20.0K | 29.2K | Form 4 ↗ |
Alvare Manuel A. III General Counsel | Nov 19, 2025 | Tax Withhold | 731 | $22.38 | $16.4K | 10.3K | Form 4 ↗ |
Alvare Manuel A. III General Counsel | Nov 17, 2025 | Award | 6,057 | — | — | 6.1K | Form 4 ↗ |
Alvare Manuel A. III General Counsel | Nov 17, 2025 | Award | 2,317 | — | — | 2.3K | Form 4 ↗ |
Berg Shawn EVP, Chief Digital Officer | Nov 17, 2025 | Award | 8,707 | — | — | 8.7K | Form 4 ↗ |
Berg Shawn EVP, Chief Digital Officer | Nov 17, 2025 | Award | 3,384 | — | — | 3.4K | Form 4 ↗ |
Langbehn Kyle EVP, President of Retail | Nov 17, 2025 | Award | 28,499 | — | — | 28.5K | Form 4 ↗ |
Langbehn Kyle EVP, President of Retail | Nov 17, 2025 | Award | 11,167 | — | — | 11.2K | Form 4 ↗ |
Cassella Anthony E. Jr. EVP of Finance & CAO | Nov 17, 2025 | Award | 7,030 | — | — | 7.0K | Form 4 ↗ |
Cassella Anthony E. Jr. EVP of Finance & CAO | Nov 17, 2025 | Award | 2,715 | — | — | 2.7K | 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
MarineMax, Inc. (HZO) is primarily owned by institutional investors, who hold approximately 90.7% of total shares outstanding. Company insiders own approximately 11.23%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of MarineMax, Inc. is BLACKROCK, INC., holding approximately 3.26 million shares — equal to 14.40% of outstanding shares — as of March 31, 2025.
A total of 156 institutional investors currently hold HZO stock, with a combined institutional value of approximately $429,649,413 as of the most recent 13F filing period.
Frequently asked questions
HZO ownershipMarineMax, Inc. (HZO) is primarily owned by institutional investors, who hold approximately 90.7% of shares. The largest shareholder is BLACKROCK, INC. with a 14.40% stake. Company insiders hold 11.23%. Data sourced from SEC Form 13F as of March 31, 2025.