MarineMax Inc
Ownership
Ownership Structure
Who owns MarineMax Inc (HZO)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 90.1% of the shares are freely tradable; institutional investors hold 93.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 14.39 | 3,178,923 | +4.1 | 06/30/2026 |
| American Century Companies Inc | 10.30 | 2,275,099 | +7.3 | 06/30/2026 |
| State Street Corp | 4.34 | 958,459 | +2.6 | 06/30/2026 |
| Dimensional Fund Advisors, Inc. | 4.21 | 930,530 | -3.7 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.95 | 873,046 | +2.1 | 06/30/2026 |
| Arnhold & S. Bleichroeder Advisers, LLC | 3.43 | 756,904 | +125.2 | 06/30/2026 |
| Royce & Associates, LP | 2.57 | 566,666 | +13.1 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.30 | 1,169,701 | +0.0 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 2.86 | 631,928 | +0.0 | 09/30/2026 |
| Avantis US Small Cap Value ETF | 2.79 | 615,160 | +0.5 | 09/30/2026 |
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 |
|---|---|---|---|---|---|
| McGill W Brett | CEO & President | 329,578 | 17,368,761 $ | Sep 30, 2026 | direct |
| Mclamb Michael H | Executive VP, CFO and Sec | 153,161 | 8,071,585 $ | Sep 30, 2026 | direct |
| Langbehn Kyle | EVP, President of Retail | 84,665 | 4,461,846 $ | Sep 30, 2026 | direct |
| Berg Shawn | EVP, Chief Digital Officer | 40,605 | 2,139,884 $ | Sep 30, 2026 | direct |
| Cassella Anthony E. Jr. | EVP of Finance & CAO | 28,392 | 1,496,258 $ | Sep 30, 2026 | direct |
| Alvare Manuel A. III | General Counsel | 17,570 | 925,939 $ | Sep 30, 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 30, 2026 | McGill W Brett | CEO & President | Other | 53,686 | 52.30 | 2,807,778 |
| Sep 30, 2026 | McGill W Brett | CEO & President | Other | 28,330 | 0.00 | – |
| Sep 30, 2026 | McGill W Brett | CEO & President | Other | 19,897 | 0.00 | – |
| Sep 30, 2026 | McGill W Brett | CEO & President | Other | 18,684 | 0.00 | – |
| Sep 30, 2026 | McGill W Brett | CEO & President | Other | 73,566 | 0.00 | – |
| Sep 30, 2026 | Berg Shawn | EVP, Chief Digital Officer | Other | 3,343 | 52.30 | 174,839 |
| Sep 30, 2026 | Berg Shawn | EVP, Chief Digital Officer | Other | 2,902 | 0.00 | – |
| Sep 30, 2026 | Berg Shawn | EVP, Chief Digital Officer | Other | 2,029 | 0.00 | – |
| Sep 30, 2026 | Berg Shawn | EVP, Chief Digital Officer | Other | 1,781 | 0.00 | – |
| Sep 30, 2026 | Berg Shawn | EVP, Chief Digital Officer | Other | 7,010 | 0.00 | – |
| Sep 30, 2026 | Mclamb Michael H | Executive VP, CFO and Sec | Other | 9,786 | 52.30 | 511,808 |
| Sep 30, 2026 | Mclamb Michael H | Executive VP, CFO and Sec | Other | 6,327 | 0.00 | – |
| Sep 30, 2026 | Mclamb Michael H | Executive VP, CFO and Sec | Other | 4,387 | 0.00 | – |
| Sep 30, 2026 | Mclamb Michael H | Executive VP, CFO and Sec | Other | 4,045 | 0.00 | – |
| Sep 30, 2026 | Mclamb Michael H | Executive VP, CFO and Sec | Other | 15,925 | 0.00 | – |
| Sep 30, 2026 | Cassella Anthony E. Jr. | EVP of Finance & CAO | Other | 2,766 | 52.30 | 144,662 |
| Sep 30, 2026 | Cassella Anthony E. Jr. | EVP of Finance & CAO | Other | 2,343 | 0.00 | – |
| Sep 30, 2026 | Cassella Anthony E. Jr. | EVP of Finance & CAO | Other | 1,628 | 0.00 | – |
| Sep 30, 2026 | Cassella Anthony E. Jr. | EVP of Finance & CAO | Other | 1,495 | 0.00 | – |
| Sep 30, 2026 | Cassella Anthony E. Jr. | EVP of Finance & CAO | Other | 5,885 | 0.00 | – |
| Sep 30, 2026 | Alvare Manuel A. III | General Counsel | Other | 2,340 | 52.30 | 122,382 |
| Sep 30, 2026 | Alvare Manuel A. III | General Counsel | Other | 2,018 | 0.00 | – |
| Sep 30, 2026 | Alvare Manuel A. III | General Counsel | Other | 1,390 | 0.00 | – |
| Sep 30, 2026 | Alvare Manuel A. III | General Counsel | Other | 506 | 0.00 | – |
| Sep 30, 2026 | Alvare Manuel A. III | General Counsel | Other | 748 | 0.00 | – |
| Sep 30, 2026 | Alvare Manuel A. III | General Counsel | Other | 4,934 | 0.00 | – |
| Sep 30, 2026 | Langbehn Kyle | EVP, President of Retail | Other | 14,890 | 52.30 | 778,747 |
| Sep 30, 2026 | Langbehn Kyle | EVP, President of Retail | Other | 9,499 | 0.00 | – |
| Sep 30, 2026 | Langbehn Kyle | EVP, President of Retail | Other | 6,697 | 0.00 | – |
| Sep 30, 2026 | Langbehn Kyle | EVP, President of Retail | Other | 4,045 | 0.00 | – |
| Sep 30, 2026 | Langbehn Kyle | EVP, President of Retail | Other | 15,925 | 0.00 | – |
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: November 2, 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.