MediaAlpha, Inc.

MAX

Exchange: NYSE
Industry: Services-Business Services, NEC
SEC CIK: 0001818383

SEC filings (opens in a new tab)

In the last 90 days, MediaAlpha, Inc. insiders filed 0 open-market purchases and 24 sales; 153 institutions reported holding it in 13F filings for Q2 2026, worth $610.7M in total; no superinvestor holds it.

Q1 2026 vs. Q4 2025

How the institutions holding MediaAlpha, Inc. changed between Q4 2025 and Q1 2026.

All holders in Q1 2026 All holders in Q4 2025

13F holders of MAX: Q4 2025 compared with Q1 2026
Measure	Q4 2025	Of which not filed for Q1 2026	Q1 2026	Change
Holders	172	1	163	−8
Shares	47.8M	2.57M	48.5M	+3.29M (+7.3%)
Value	$618.6M	$33.3M	$452.0M	−$133.3M (−22.8%)

1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (35)

Institutions that held MediaAlpha, Inc. at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to MAX in Q1 2026
Institution	Shares	Value	% of portfolio
Vanguard Capital Management LLC	1,385,729	$12.9M	0.00%
Vanguard Portfolio Management LLC	546,745	$5.08M	0.00%
Speece Thorson Capital Group Inc	499,011	$4.64M	1.06%
Philadelphia Financial Management of San Francisco, LLC	480,000	$4.46M	1.43%
Vanguard Fiduciary Trust Co	227,112	$2.11M	0.00%
Caption Management, LLC	149,048	$1.39M	0.07%
Algert Global LLC	84,510	$785.9K	0.01%
Dynamic Technology Lab Private Ltd	43,595	$405.4K	0.07%
Vanguard Global Advisers, LLC	37,688	$350.5K	0.00%
Quantbot Technologies LP	29,119	$270.8K	0.01%
Bridgefront Capital, LLC	26,170	$243.4K	0.06%
Abel Hall, LLC	25,424	$236.4K	0.05%
Elkhorn Partners Limited Partnership	23,000	$213.9K	0.14%
Jupiter Asset Management Ltd	21,172	$196.9K	0.00%
Ameriprise Financial Inc	17,807	$165.6K	0.00%
Eventide Asset Management, LLC	17,509	$165.3K	0.00%
Vanguard Asset Management, Ltd	17,425	$162.1K	0.00%
Campbell & CO Investment Adviser LLC	16,085	$149.6K	0.01%
nVerses Capital, LLC	15,790	$146.8K	0.13%
CI Private Wealth, LLC	15,559	$144.7K	0.00%
Schonfeld Strategic Advisors LLC	13,917	$129.4K	0.00%
Glenmede Trust Co NA	13,150	$122.3K	0.00%
Mach-1 Financial Group, Inc.	11,957	$111.2K	0.04%
Bank of Montreal	10,494	$97.6K	0.00%
Aaron Wealth Advisors	10,242	$95.3K	0.01%
Jefferies Financial Group Inc.	10,000	$93.0K	0.00%
Public Employees Retirement System of Ohio	9,100	$84.6K	0.00%
Vanguard Investments Australia, Ltd.	7,013	$65.2K	0.00%
Private Wealth Asset Management, LLC	1,000	$9.30K	0.00%
Clear Street Markets LLC	557	$5.18K	0.00%
Huntington National Bank	397	$3.69K	0.00%
Root Financial Partners, LLC	139	$1.29K	0.00%
New York State Teachers Retirement System	100	$1.00K	0.00%
Wealth Preservation Advisors, LLC	66	$614	0.00%
Investors Portfolio Services LLC	61	$515	0.00%

Sold out (43)

Institutions that held MediaAlpha, Inc. at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of MAX in Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
G2 Investment Partners Management LLC	496,916	$6.44M
Marshall Wace, LLP	328,388	$4.25M
Canada Pension Plan Investment Board	136,500	$1.77M
Boothbay Fund Management, LLC	108,143	$1.40M
Tudor Investment Corp Et Al	83,330	$1.08M
Nomura Holdings Inc	82,313	$1.07M
Lighthouse Investment Partners, LLC	82,050	$1.06M
ExodusPoint Capital Management, LP	81,791	$1.06M
Raymond James Financial Inc	52,708	$682.6K
Verition Fund Management LLC	39,303	$509.0K
Gotham Asset Management, LLC	39,123	$506.6K
Quest Partners LLC	37,463	$485.1K
Thrivent Financial for Lutherans	36,379	$471.0K
PharVision Advisers, LLC	34,034	$440.7K
Versor Investments LP	29,318	$379.7K
Two Sigma Advisers, LP	26,896	$348.3K
Brookwood Investment Group LLC	22,841	$295.8K
Mangrove Partners	22,700	$294.0K
Point72 Asset Management, L.P.	18,751	$242.8K
Jump Financial, LLC	18,539	$240.1K
VARCOV Co.	16,543	$214.2K
Engineers Gate Manager LP	16,125	$208.8K
Caxton Associates LLP	13,922	$180.3K
Pallas Capital Advisors LLC	13,176	$170.6K
Moran Wealth Management, LLC	12,716	$164.7K
Voleon Capital Management LP	12,324	$159.6K
Polymer Capital Management (US) LLC	12,306	$159.4K
Intech Investment Management LLC	10,796	$139.8K
Manufacturers Life Insurance Company, The	10,782	$139.6K
Virtus ETF Advisers LLC	10,623	$137.6K
STRS Ohio	3,800	$49.2K
Quarry LP	2,297	$29.7K
Amalgamated Bank	1,065	$14.0K
Aster Capital Management (DIFC) Ltd	987	$12.8K
Meeder Asset Management Inc	714	$9.25K
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	594	$8.00K
SageView Advisory Group, LLC	90	$1.17K
Tucker Asset Management LLC	83	$1.07K
Signaturefd, LLC	39	$505
Clearstead Advisors, LLC	15	$195
Sunbelt Securities, Inc.	14	$181
American Capital Advisory, LLC	4	$52
Capital Advisors, Ltd. LLC	12	$0

Not filed for Q1 2026 yet (1)

Institutions that held MediaAlpha, Inc. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MAX in Q4 2025 that haven't filed for Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
Vanguard Group Inc	2,570,992	$33.3M