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 Sep 30, 2025
Ownership Breakdown
178
Institutional Holders
▲ 17 vs Q2
$525.97M
Total Inst. Value
▲ $27.60M vs Q2
22.03M
Shares Outstanding
freeFloat 88.77%
20.76M
13F Shares Held
▲ 942,284 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
HZO largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. retail-auto & home supply stores | 2.95M | 13.72% | 13.72% | $74.80B | Nov 12, 2025 | ▼ 22.4K |
AMERICAN CENTURY COMPANIES INC retail-auto & home supply stores | 2.34M | 10.89% | 10.89% | $59.37B | Nov 12, 2025 | ▼ 88.5K |
VANGUARD GROUP INC retail-auto & home supply stores | 1.47M | 6.81% | 6.81% | $37.11B | Nov 7, 2025 | ▼ 38.1K |
DIMENSIONAL FUND ADVISORS LP retail-auto & home supply stores | 1.25M | 5.79% | 5.79% | $31.57B | Nov 12, 2025 | ▼ 38.8K |
STATE STREET CORP retail-auto & home supply stores | 858.7K | 3.99% | 3.99% | $21.75B | Nov 14, 2025 | ▲ 34.3K |
LEVIN CAPITAL STRATEGIES, L.P. retail-auto & home supply stores | 716.4K | 3.33% | 3.33% | $18.15B | Nov 7, 2025 | ▼ 17.9K |
INVESCO LTD. retail-auto & home supply stores | 702.2K | 3.26% | 3.26% | $17.79B | Nov 13, 2025 | ▼ 13.9K |
BOOTHBAY FUND MANAGEMENT, LLC retail-auto & home supply stores | 685.8K | 3.19% | 3.19% | $17.37B | Nov 14, 2025 | NEW |
DIVISADERO STREET CAPITAL MANAGEMENT, LP retail-auto & home supply stores | 656.2K | 3.05% | 3.05% | $16.62B | Nov 14, 2025 | NEW |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC retail-auto & home supply stores | 483.2K | 2.25% | 2.25% | $12.24B | Nov 10, 2025 | ▲ 107.8K |
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
17
Increased
+999.8K shares5
New Positions
first time holders26
Decreased
−1.67M shares0
Sold Out
fully exitedNet shares change (top 50)
671.6K
+999.8K / −1.67M
Net new holders
-4
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
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 94.3% 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 2.95 million shares — equal to 13.72% of outstanding shares — as of September 30, 2025.
A total of 178 institutional investors currently hold HZO stock, with a combined institutional value of approximately $525,968,839 as of the most recent 13F filing period.
Frequently asked questions
HZO ownershipMarineMax, Inc. (HZO) is primarily owned by institutional investors, who hold approximately 94.3% of shares. The largest shareholder is BLACKROCK, INC. with a 13.72% stake. Company insiders hold 11.23%. Data sourced from SEC Form 13F as of September 30, 2025.