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HZO · Marinemax Inc · Holdings

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Market Cap
$1.15B
Shares
22.09M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 185
Total Value: $714,186,775
Total Shares: 19,502,646
Showing 1–100 of 186 holdings by value · page 1 of 2

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 185 13F filers · Δ vs Mar 31, 2026
Top Holder
16.3%
Sep 2023 → Jun 2026 · range 14.1% – 17.7%
+0.8 pts
Top 5
42.1%
Sep 2023 → Jun 2026 · range 40.3% – 48.6%
+1.8 pts
Top 10
55.1%
Sep 2023 → Jun 2026 · range 55.1% – 65.0%
−1.2 pts
HHI
550
Sep 2023 → Jun 2026 · range 518 – 657
Broadly held+31

Quarterly Activity

vs Mar 31, 2026
New
35
Increased
64
Decreased
54
Sold Out
22
Unchanged
32
Holder count: +13
Institutional value: +34.0%
Shares held: -1.0%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 186
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1057060 CUSIP 567908108 13F (30d) 125 filings 125 filers Visit website Investor relations