$HZO

$52.48 +$0.03 (0.06%) Close

$HZO Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 22.1M shares outstanding

Who owns HZO?

By type of holder

Institutions 87.7% Insiders 4.3% Everyone else 8.1%

Concentration Top 10 holders own 47.7%

BlackRock, Inc. 14.4% · American Century Companies Inc 10.3%

Institutional ownership

87.7%

-1.1 pts vs last qtr

Institutional holders

183

+11 vs last qtr

Net shares bought

−252.8K

by institutions in Q2 2026

New / sold out

34 / 23

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Portolan Capital Management, LLC NEW +344.4K
Divisadero Street Capital Management, LP +292.3K

Biggest sellers in Q2 2026

Boothbay Fund Management, LLC −486.8K
CenterBook Partners LP −296.6K

Who is planning to sell?

Notices of proposed sale, last 12 months

$220K

1 notice from 1 person

Shares covered

10.0K

0.05% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Cashman Charles A Officer $220K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−11.2%

−1.31% a year

Each share's claim on the business

+12.6%

grew without buying or selling a share

Spent on buybacks vs paid in stock

— vs $121M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years69% 3–5 years6% 1–3 years9% Under 1 year16%

Quarterly turnover

10.4%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting HZO on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	3.2M	14.39%	+124.1K (+4.1%)	≤2021	0.0%
Shares held by quarter Peak holding3.3M (Q4'24) Change over 8 quarters−115.7K Share of the company14.390% BlackRock, Inc.'s full portfolio →
AC American Century Companies Inc	2.3M	10.30%	+154.7K (+7.3%)	≤2021	0.0%
Shares held by quarter Peak holding2.4M (Q2'25) Change over 8 quarters+298.2K Share of the company10.300% American Century Companies Inc's full portfolio →

BlackRock, Inc.

3.2M

% of company

14.39%

Change vs last qtr

+124.1K (+4.1%)

Held since

≤2021

American Century Companies Inc

2.3M

% of company

10.30%

Change vs last qtr

+154.7K (+7.3%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding MarineMax Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting HZO on Form N-PORT; together they hold 45.0% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$42.8M	1.2M	5.29%	0.04%	June 30, 2026
SC Small Cap Value Fund American Century Capital Portfolios, Inc.	$35.2M	960.0K	4.35%	1.16%	June 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$42.8M

% of company

5.29%

% of the fund

0.04%

As of

June 30, 2026

Small Cap Value Fund

American Century Capital Portfolios, Inc.

Position value

$35.2M

% of company

4.35%

% of the fund

1.16%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding MarineMax Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
MW McGill William B Insider	329.6K	1.49%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company1.490% McGill William B's insider activity →
MM Mclamb Michael H Insider	153.2K	0.69%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.690% Mclamb Michael H's insider activity →

McGill William B

Insider

329.6K

% of company

1.49%

Change vs last qtr

—

Held since

—

Mclamb Michael H

Insider

153.2K

% of company

0.69%

Change vs last qtr

—

Held since

—

13 more holders behind a free account

See every insider and 5%+ holder of MarineMax Inc.

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