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MAX · NYSE

$11.79+$0.49 (+4.34%)TodayMarket closed · Oct 20, 7:00 PM ET

Prev close $11.30

Who owns MAX

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 54.7% of MAX’s shares.

White Mountains Insurance Group, Ltd.29.1%
Divisadero Street Capital Management, LP5.1%
Clearline Capital LP4.4%
BlackRock Institutional Trust Company, N.A.4.2%
Next 6 largest institutions11.7%
All other shareholders45.3%

Top institutional holders of MAX
Holder	Shares	% of shares	Change, last filing	Filed
White Mountains Insurance Group, Ltd.	17.86M	29.15%	+0	Jun 30, 2026
Divisadero Street Capital Management, LP	3.13M	5.11%	+2.11M	Jul 21, 2026
Clearline Capital LP	2.71M	4.43%	+123.22K	Jun 30, 2026
BlackRock Institutional Trust Company, N.A.	2.60M	4.25%	−32.63K	Jun 30, 2026
JP Morgan Asset Management	1.45M	2.36%	+85.18K	Jun 30, 2026
Vanguard Capital Management, LLC	1.28M	2.08%	−109.36K	Jun 30, 2026
Nonko (Eugene)	1.22M	1.99%	−5.33K	Sep 2, 2026
Yi (Steven)	1.20M	1.95%	−48.00K	Sep 1, 2026
Geode Capital Management, L.L.C.	1.07M	1.74%	−1.78K	Jun 30, 2026
Jacobs Levy Equity Management, Inc.	971.23K	1.59%	+221.18K	Jun 30, 2026

Largest mutual fund holders

Top mutual fund holders of MAX
Holder	Shares	% of shares	Change, last filing	Filed
Vanguard Total Stock Market Index Fund	882.70K	1.44%	+0	Jul 31, 2026
iShares Russell 2000 ETF	815.81K	1.33%	−3.55K	Jul 31, 2026
JPM Small Cap Blend Fund	740.75K	1.21%	−662.15K	Jul 31, 2026
BlackRock Advantage Small Cap Core Fund	372.40K	0.61%	+0	Jul 31, 2026
CREF Total Global Stock Account	365.14K	0.60%	+115.64K	Jul 31, 2026

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders sold $19.13M (135 trades) of MAX on the open market, with no buys.

Latest MAX insider transactions
Insider	Date	Type	Shares	Price	Value
Nonko Eugene	Oct 14, 2026	Sale	6.67K	$10.37	$69.16K
Nonko Eugene	Oct 14, 2026	Sale	1.07K	$10.41	$11.11K
Nonko Eugene	Oct 13, 2026	Sale	6.67K	$10.11	$67.42K
Nonko Eugene	Oct 13, 2026	Sale	1.07K	$10.12	$10.80K
Nonko Eugene	Oct 12, 2026	Sale	6.67K	$10.15	$67.67K
Nonko Eugene	Oct 12, 2026	Sale	1.07K	$10.14	$10.82K
Yi Steven	Oct 9, 2026	Sale	2.03K	$11.01	$22.38K
Yi Steven	Oct 8, 2026	Sale	24.00K	$10.04	$240.94K
Sinanyan Tigran	Oct 1, 2026	Tax withholding	1.09K	$9.57	$10.41K
Sinanyan Tigran	Oct 1, 2026	Award	24.25K	—	—

Short interest

Settled Sep 30, 2026

Shares short: 2.83M
Days to cover: 3.14
% of shares outstanding: 4.62%
Average daily volume: 900.50K
Change since last report: −7.1%

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