Mediaalpha Inc. (MAX)

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Sector: Services-Business Services, Nec

Hedge Fund Popularity

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Hedge Fund Holdings

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Last updated on February 17, 2026, 10:24am based on SEC 13F filings Last update: February 17, 2026, 10:24am

No.	Hedge Fund	Shares	Value	Activity	% Port
1.	Renaissance Technologies Jim Simons	1,045,400	$13,537,930	+11%	0.02%
2.	Arrowstreet Capital Peter Rathjens, Bruce Clarke And John Campbell	855,904	$11,083,957	+65%	0.01%
3.	Divisadero Street Capital William Zolezzi	849,011	$10,994,692	+877%	0.51%
4.	Marshall Wace LLP Paul Marshall And Ian Wace	328,388	$4,252,624	+80%	0%
5.	Squarepoint Ops LLC Maxime Fortin (Cio)	124,288	$1,609,530	+306%	0%

Insider Trading: Purchases See All

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Vrabeck Director	$9.60	31,000	$297,575.20	129,657	2025-08-12	Filing
White Large Shareholder, Director	$10.00	5,916,816	$59,168,160.00	22,856,814	2023-06-30	Filing
Thompson Officer	$8.59	10,000	$85,920.00	83,552	2022-06-14	Filing
Thompson Officer	$10.29	5,000	$51,425.00	49,090	2022-05-12	Filing
Thompson Officer	$10.65	10,000	$106,516.00	44,090	2022-05-11	Filing

Insider Trading: Sales See All

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Yi Officer, Director	$7.99	4,000	$31,945.60	2,703,330	2026-02-11	Filing
Yi Officer, Director	$8.71	4,000	$34,821.60	2,707,330	2026-02-10	Filing
Yi Officer, Director	$8.74	4,000	$34,965.20	2,711,330	2026-02-09	Filing
Nonko Director	$10.06	6,700	$67,423.44	1,469,020	2026-02-03	Filing
Nonko Director	$10.36	6,700	$69,381.18	1,475,720	2026-02-02	Filing

Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	White Mountains Insurance Group Ltd	17,856,614	$231,243,151	88.28%
2.	Blackrock, Inc.	3,551,465	$45,991,471	0%
3.	Vanguard Group Inc	2,570,992	$33,294,347	0%
4.	Jpmorgan Chase & Co	1,367,896	$17,714,253	0%
5.	Morgan Stanley	960,154	$12,433,996	0%