MediaAlpha, Inc.
MAX- Exchange
- NYSE
- Industry
- Services-Business Services, NEC
- SEC CIK
- 0001818383
In the last 90 days, MediaAlpha, Inc. insiders filed 0 open-market purchases and 26 sales; 153 institutions reported holding it in 13F filings for Q2 2026, worth $610.7M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in MediaAlpha, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 163
- −8 vs. Q4 2025
- Shares held
- 48.5M
- +3.29M (+7.3%) vs. Q4 2025
- Total value
- $452.0M
- −$133.3M (−22.8%) vs. Q4 2025
- New holders
- 35
- 59 more added
- Sold out
- 43
- 55 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MAX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 153 | $610.7M |
| Q1 2026 | 163 | $452.0M |
| Q4 2025 | 172 | $618.6M |
| Q3 2025 | 157 | $544.3M |
| Q2 2025 | 152 | $528.5M |
| Q1 2025 | 144 | $436.3M |
| Q4 2024 | 162 | $542.2M |
| Q3 2024 | 151 | $885.5M |
| Q2 2024 | 149 | $660.8M |
| Q1 2024 | 122 | $905.9M |
| Q4 2023 | 91 | $470.3M |
| Q3 2023 | 89 | $341.7M |
| Q2 2023 | 94 | $463.6M |
| Q1 2023 | 98 | $602.5M |
| Q4 2022 | 101 | $398.7M |
| Q3 2022 | 88 | $358.0M |
| Q2 2022 | 89 | $393.0M |
| Q1 2022 | 96 | $677.3M |
| Q4 2021 | 93 | $616.6M |
| Q3 2021 | 89 | $708.5M |
| Q2 2021 | 98 | $1.59B |
| Q1 2021 | 96 | $1.29B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding MediaAlpha, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BNP Paribas Arbitrage, SA | 56,206 | $522.7K | 0.00% | −216,945−79.4% | Reduced |
| Mariner, LLC | 58,489 | $544.0K | 0.00% | −11,402−16.3% | Reduced |
| Swiss National Bank | 58,700 | $545.9K | 0.00% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 70,176 | $652.6K | 0.00% | 00.0% | Unchanged |
| Amundi | 78,104 | $726.4K | 0.00% | +19,488+33.2% | Added |
| Globeflex Capital L P | 80,233 | $746.2K | 0.11% | 00.0% | Unchanged |
| Algert Global LLC | 84,510 | $785.9K | 0.01% | +84,510 | New |
| Russell Investments Group, Ltd. | 84,894 | $794.0K | 0.00% | −5,949−6.5% | Reduced |
| Divisadero Street Capital Management, LP | 86,907 | $808.2K | 0.04% | −762,104−89.8% | Reduced |
| Bank of New York Mellon Corp | 86,955 | $808.7K | 0.00% | −357−0.4% | Reduced |
| Victory Capital Management Inc | 87,269 | $811.6K | 0.00% | −642,188−88.0% | Reduced |
| PDT Partners, LLC | 90,022 | $837.2K | 0.05% | −75,518−45.6% | Reduced |
| State of Wisconsin Investment Board | 106,160 | $987.3K | 0.00% | +59,318+126.6% | Added |
| Quantinno Capital Management LP | 107,274 | $997.6K | 0.00% | +64,526+150.9% | Added |
| Balyasny Asset Management LLC | 108,808 | $1.01M | 0.00% | −75,351−40.9% | Reduced |
| Gsa Capital Partners LLP | 109,268 | $1.02M | 0.06% | +62,484+133.6% | Added |
| Man Group plc | 136,707 | $1.27M | 0.00% | +25,831+23.3% | Added |
| Principal Financial Group Inc | 137,613 | $1.28M | 0.00% | +102,210+288.7% | Added |
| XTX Topco Ltd | 146,838 | $1.37M | 0.02% | +56,136+61.9% | Added |
| Caption Management, LLC | 149,048 | $1.39M | 0.07% | +149,048 | New |
| UBS Group AG | 153,883 | $1.43M | 0.00% | +94,194+157.8% | Added |
| Y-Intercept (Hong Kong) Ltd | 158,170 | $1.47M | 0.03% | −52,182−24.8% | Reduced |
| Two Sigma Investments, LP | 175,289 | $1.63M | 0.00% | +115,429+192.8% | Added |
| UBS Asset Management Americas Inc | 180,511 | $1.68M | 0.00% | +115,426+177.3% | Added |
| Teacher Retirement System of Texas | 185,325 | $1.72M | 0.01% | +174,347+1,588.1% | Added |
| Susquehanna International Group, LLP | 189,736 | $1.76M | 0.00% | +108,746+134.3% | Added |
| Squarepoint Ops LLC | 215,541 | $2.00M | 0.00% | +91,253+73.4% | Added |
| Stoic Point Capital Management LLC | 221,041 | $2.06M | 2.02% | +13,743+6.6% | Added |
| Vanguard Fiduciary Trust Co | 227,112 | $2.11M | 0.00% | +227,112 | New |
| Citadel Advisors LLC | 229,323 | $2.13M | 0.00% | +59,676+35.2% | Added |
| Pacer Advisors, Inc. | 258,250 | $2.40M | 0.01% | −4,774−1.8% | Reduced |
| Northern Trust Corp | 271,824 | $2.53M | 0.00% | +4,546+1.7% | Added |
| Charles Schwab Investment Management Inc | 274,339 | $2.55M | 0.00% | −5,478−2.0% | Reduced |
| Bank of America Corp | 279,704 | $2.60M | 0.00% | +221,540+380.9% | Added |
| Jane Street Group, LLC | 283,008 | $2.63M | 0.00% | −77,121−21.4% | Reduced |
| Alliancebernstein L.P. | 205,440 | $2.66M | 0.00% | +171,510+505.5% | Added |
| HRT Financial LP | 329,332 | $3.06M | 0.01% | +220,309+202.1% | Added |
| Triad Investment Management | 333,864 | $3.10M | 3.67% | +58,427+21.2% | Added |
| D. E. Shaw & Co., Inc. | 342,058 | $3.18M | 0.00% | −55,322−13.9% | Reduced |
| Franklin Resources Inc | 343,709 | $3.20M | 0.00% | +14,997+4.6% | Added |
| Qube Research & Technologies Ltd | 415,280 | $3.86M | 0.01% | +131,268+46.2% | Added |
| Philadelphia Financial Management of San Francisco, LLC | 480,000 | $4.46M | 1.43% | +480,000 | New |
| AQR Capital Management LLC | 481,951 | $4.48M | 0.00% | −322,144−40.1% | Reduced |
| Speece Thorson Capital Group Inc | 499,011 | $4.64M | 1.06% | +499,011 | New |
| Vanguard Portfolio Management LLC | 546,745 | $5.08M | 0.00% | +546,745 | New |
| Dimensional Fund Advisors LP | 620,669 | $5.77M | 0.00% | +300,871+94.1% | Added |
| Goldman Sachs Group Inc | 623,421 | $5.80M | 0.00% | −105,946−14.5% | Reduced |
| Nuveen, LLC | 701,399 | $6.52M | 0.00% | +34,860+5.2% | Added |
| Morgan Stanley | 703,018 | $6.54M | 0.00% | −257,136−26.8% | Reduced |
| Renaissance Technologies LLC | 719,300 | $6.69M | 0.01% | −326,100−31.2% | Reduced |
| Jacobs Levy Equity Management, Inc | 750,054 | $6.98M | 0.03% | +49,557+7.1% | Added |
| Shay Capital LLC | 775,000 | $7.21M | 1.02% | +184,000+31.1% | Added |
| State Street Corp | 838,161 | $7.79M | 0.00% | +106,754+14.6% | Added |
| Acadian Asset Management LLC | 847,199 | $7.87M | 0.01% | +241,028+39.8% | Added |
| Jacobs Asset Management, LLC | 924,443 | $8.60M | 5.15% | +219,144+31.1% | Added |
| Arrowstreet Capital, Limited Partnership | 1,061,981 | $9.88M | 0.01% | +206,077+24.1% | Added |
| Geode Capital Management, LLC | 1,070,084 | $9.95M | 0.00% | +292,780+37.7% | Added |
| J. Goldman & Co LP | 1,182,673 | $11.0M | 0.51% | +396,304+50.4% | Added |
| Vanguard Capital Management LLC | 1,385,729 | $12.9M | 0.00% | +1,385,729 | New |
| JPMorgan Chase & Co | 1,745,679 | $16.5M | 0.00% | +377,783+27.6% | Added |
| Clearline Capital LP | 2,590,670 | $24.1M | 1.87% | +1,289,217+99.1% | Added |
| BlackRock, Inc. | 3,476,687 | $32.3M | 0.00% | −74,778−2.1% | Reduced |
| White Mountains Insurance Group Ltd | 17,856,614 | $166.1M | 52.99% | 00.0% | Unchanged |
| G2 Investment Partners Management LLC | 0 | $0 | 0.00% | −496,916−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −328,388−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −136,500−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −108,143−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −83,330−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −82,313−100.0% | Sold out |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −82,050−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −81,791−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −52,708−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −39,303−100.0% | Sold out |
| Gotham Asset Management, LLC | 0 | $0 | 0.00% | −39,123−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −37,463−100.0% | Sold out |
| Thrivent Financial for Lutherans | 0 | $0 | 0.00% | −36,379−100.0% | Sold out |
| PharVision Advisers, LLC | 0 | $0 | 0.00% | −34,034−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −29,318−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −26,896−100.0% | Sold out |
| Brookwood Investment Group LLC | 0 | $0 | 0.00% | −22,841−100.0% | Sold out |
| Mangrove Partners | 0 | $0 | 0.00% | −22,700−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −18,751−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −18,539−100.0% | Sold out |
| VARCOV Co. | 0 | $0 | 0.00% | −16,543−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −16,125−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −13,922−100.0% | Sold out |
| Pallas Capital Advisors LLC | 0 | $0 | 0.00% | −13,176−100.0% | Sold out |
| Moran Wealth Management, LLC | 0 | $0 | 0.00% | −12,716−100.0% | Sold out |
| Voleon Capital Management LP | 0 | $0 | 0.00% | −12,324−100.0% | Sold out |
| Polymer Capital Management (US) LLC | 0 | $0 | 0.00% | −12,306−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −10,796−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −10,782−100.0% | Sold out |
| Virtus ETF Advisers LLC | 0 | $0 | 0.00% | −10,623−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −3,800−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −2,297−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −1,065−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −987−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −714−100.0% | Sold out |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0 | $0 | 0.00% | −594−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −90−100.0% | Sold out |