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, Q3 2025
Institutional positions in MediaAlpha, Inc. as of Sep 30, 2025. 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
- 157
- +5 vs. Q2 2025
- Shares held
- 47.8M
- −428.5K (−0.9%) vs. Q2 2025
- Total value
- $544.3M
- +$15.9M (+3.0%) vs. Q2 2025
- New holders
- 26
- 65 more added
- Sold out
- 21
- 47 more reduced
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding MediaAlpha, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| White Mountains Insurance Group Ltd | 17,856,614 | $203.2M | 100.00% | 00.0% | Unchanged |
| BlackRock, Inc. | 3,573,190 | $40.7M | 0.00% | −430,229−10.7% | Reduced |
| Vanguard Group Inc | 2,600,621 | $29.6M | 0.00% | −258,578−9.0% | Reduced |
| Broad Bay Capital Management, LP | 1,468,695 | $16.7M | 2.08% | −1,029,812−41.2% | Reduced |
| Millennium Management LLC | 1,429,556 | $16.3M | 0.01% | +1,246,493+680.9% | Added |
| Clearline Capital LP | 1,290,849 | $14.7M | 1.27% | −134,459−9.4% | Reduced |
| Goldman Sachs Group Inc | 1,279,960 | $14.6M | 0.00% | −727,226−36.2% | Reduced |
| JPMorgan Chase & Co | 1,058,441 | $12.0M | 0.00% | +516,195+95.2% | Added |
| Renaissance Technologies LLC | 945,100 | $10.8M | 0.01% | +172,800+22.4% | Added |
| Morgan Stanley | 872,031 | $9.92M | 0.00% | +116,105+15.4% | Added |
| Jacobs Asset Management, LLC | 819,026 | $9.32M | 5.10% | +20,360+2.5% | Added |
| Shay Capital LLC | 790,100 | $8.99M | 1.63% | +120,100+17.9% | Added |
| AQR Capital Management LLC | 770,679 | $8.77M | 0.01% | +169,086+28.1% | Added |
| Geode Capital Management, LLC | 769,774 | $8.76M | 0.00% | +5,072+0.7% | Added |
| Victory Capital Management Inc | 710,819 | $8.09M | 0.01% | +658,625+1,261.9% | Added |
| Nuveen, LLC | 690,465 | $7.86M | 0.00% | −210,325−23.3% | Reduced |
| State Street Corp | 672,126 | $7.65M | 0.00% | +19,288+3.0% | Added |
| Jacobs Levy Equity Management, Inc | 560,765 | $6.38M | 0.03% | +91,204+19.4% | Added |
| J. Goldman & Co LP | 531,027 | $6.04M | 0.23% | +356,027+203.4% | Added |
| Arrowstreet Capital, Limited Partnership | 520,452 | $5.92M | 0.00% | +36,110+7.5% | Added |
| Qube Research & Technologies Ltd | 504,342 | $5.74M | 0.01% | −22,007−4.2% | Reduced |
| D. E. Shaw & Co., Inc. | 454,883 | $5.18M | 0.00% | −440,465−49.2% | Reduced |
| Acadian Asset Management LLC | 419,839 | $4.77M | 0.01% | −112,598−21.1% | Reduced |
| Janus Henderson Group PLC | 386,155 | $4.39M | 0.00% | −246,733−39.0% | Reduced |
| G2 Investment Partners Management LLC | 375,473 | $4.27M | 0.88% | +375,473 | New |
| Lighthouse Investment Partners, LLC | 353,930 | $4.03M | 0.15% | +315,943+831.7% | Added |
| Franklin Resources Inc | 317,972 | $3.62M | 0.00% | +297,855+1,480.6% | Added |
| Lazard Asset Management LLC | 294,796 | $3.35M | 0.00% | −95,010−24.4% | Reduced |
| Northern Trust Corp | 287,762 | $3.27M | 0.00% | +9,835+3.5% | Added |
| Charles Schwab Investment Management Inc | 279,734 | $3.18M | 0.00% | −31,857−10.2% | Reduced |
| Algert Global LLC | 275,387 | $3.13M | 0.05% | +46,609+20.4% | Added |
| Earnest Partners LLC | 269,607 | $3.07M | 0.01% | 00.0% | Unchanged |
| Pacer Advisors, Inc. | 246,427 | $2.80M | 0.01% | −87,531−26.2% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 207,616 | $2.36M | 0.06% | +44,869+27.6% | Added |
| BNP Paribas Arbitrage, SA | 193,587 | $2.20M | 0.00% | +106,539+122.4% | Added |
| Marshall Wace, LLP | 182,743 | $2.08M | 0.00% | +17,116+10.3% | Added |
| Jane Street Group, LLC | 176,305 | $2.01M | 0.00% | +176,305 | New |
| PDT Partners, LLC | 165,540 | $1.88M | 0.12% | 00.0% | Unchanged |
| UBS Group AG | 138,186 | $1.57M | 0.00% | −390,194−73.8% | Reduced |
| Canada Pension Plan Investment Board | 130,600 | $1.49M | 0.00% | +5,200+4.1% | Added |
| Dimensional Fund Advisors LP | 118,692 | $1.35M | 0.00% | +54,584+85.1% | Added |
| Los Angeles Capital Management LLC | 104,580 | $1.19M | 0.00% | −14,948−12.5% | Reduced |
| Bank of New York Mellon Corp | 99,144 | $1.13M | 0.00% | +4,072+4.3% | Added |
| Divisadero Street Capital Management, LP | 86,907 | $989.0K | 0.05% | 00.0% | Unchanged |
| Barclays PLC | 85,840 | $976.9K | 0.00% | −27,808−24.5% | Reduced |
| Bank of America Corp | 82,079 | $934.1K | 0.00% | −143,710−63.6% | Reduced |
| Teacher Retirement System of Texas | 80,530 | $916.4K | 0.00% | −69,403−46.3% | Reduced |
| Ieq Capital, LLC | 79,557 | $905.4K | 0.00% | +34,979+78.5% | Added |
| UBS Asset Management Americas Inc | 71,458 | $813.2K | 0.00% | −52,612−42.4% | Reduced |
| Boothbay Fund Management, LLC | 70,666 | $804.2K | 0.02% | +70,666 | New |
| Janney Montgomery Scott LLC | 70,355 | $801.0K | 0.00% | −11,368−13.9% | Reduced |
| Allianz Asset Management GmbH | 70,176 | $798.6K | 0.00% | −100−0.1% | Reduced |
| Blair William & Co | 66,197 | $753.3K | 0.00% | +2,190+3.4% | Added |
| Susquehanna International Group, LLP | 64,180 | $730.4K | 0.00% | −27,887−30.3% | Reduced |
| SEI Investments Co | 62,721 | $713.8K | 0.00% | −53,306−45.9% | Reduced |
| Mariner, LLC | 61,909 | $704.5K | 0.00% | +14,428+30.4% | Added |
| Swiss National Bank | 58,700 | $668.0K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 53,590 | $609.8K | 0.00% | −2,032−3.7% | Reduced |
| Nomura Holdings Inc | 52,965 | $602.7K | 0.00% | +13,950+35.8% | Added |
| Russell Investments Group, Ltd. | 51,634 | $587.6K | 0.00% | −2,542−4.7% | Reduced |
| State of Wyoming | 46,225 | $526.0K | 0.06% | +40,580+718.9% | Added |
| Semanteon Capital Management, LP | 44,583 | $507.4K | 0.64% | +34,558+344.7% | Added |
| Gotham Asset Management, LLC | 42,444 | $483.0K | 0.00% | +3,940+10.2% | Added |
| Raymond James Financial Inc | 41,408 | $471.2K | 0.00% | +35,729+629.1% | Added |
| Verition Fund Management LLC | 41,253 | $469.5K | 0.00% | −1,935−4.5% | Reduced |
| Alliancebernstein L.P. | 38,630 | $439.6K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 38,615 | $439.4K | 0.01% | +18,021+87.5% | Added |
| Allspring Global Investments Holdings, LLC | 39,195 | $438.2K | 0.00% | −387−1.0% | Reduced |
| CWM, LLC | 38,383 | $437.0K | 0.00% | +15,702+69.2% | Added |
| Legal & General Group Plc | 33,934 | $386.2K | 0.00% | −2,381−6.6% | Reduced |
| Voleon Capital Management LP | 32,090 | $365.2K | 0.01% | +14,042+77.8% | Added |
| State of Wisconsin Investment Board | 31,191 | $355.0K | 0.00% | −53,548−63.2% | Reduced |
| Jain Global LLC | 31,143 | $354.4K | 0.00% | +31,143 | New |
| Squarepoint Ops LLC | 30,658 | $348.9K | 0.00% | −28,008−47.7% | Reduced |
| Deutsche Bank AG | 30,409 | $346.1K | 0.00% | +3,395+12.6% | Added |
| California State Teachers Retirement System | 30,347 | $345.3K | 0.00% | +10.0% | Added |
| Engineers Gate Manager LP | 30,058 | $342.1K | 0.00% | −39,126−56.6% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 29,864 | $339.9K | 0.00% | −4,753−13.7% | Reduced |
| Dynamic Technology Lab Private Ltd | 29,237 | $333.0K | 0.06% | +18,429+170.5% | Added |
| XTX Topco Ltd | 29,074 | $330.9K | 0.02% | +15,089+107.9% | Added |
| Price T Rowe Associates Inc | 28,776 | $328.0K | 0.00% | +4,301+17.6% | Added |
| Cerity Partners LLC | 27,644 | $314.6K | 0.00% | +7,573+37.7% | Added |
| Prelude Capital Management, LLC | 26,892 | $306.0K | 0.02% | +26,892 | New |
| Spears Abacus Advisors LLC | 25,700 | $292.5K | 0.01% | −13,400−34.3% | Reduced |
| Principal Financial Group Inc | 24,716 | $281.3K | 0.00% | +24,716 | New |
| FourThought Financial Partners, LLC | 24,691 | $281.0K | 0.02% | +24,691 | New |
| Virginia Retirement Systems Et Al | 24,500 | $278.8K | 0.00% | +4,500+22.5% | Added |
| PharVision Advisers, LLC | 24,480 | $278.6K | 0.16% | +24,480 | New |
| SG Americas Securities, LLC | 24,038 | $274.0K | 0.00% | +13,633+131.0% | Added |
| Axq Capital, LP | 23,144 | $263.4K | 0.10% | +23,144 | New |
| Two Sigma Investments, LP | 22,524 | $256.3K | 0.00% | −43,570−65.9% | Reduced |
| MetLife Investment Management | 21,402 | $243.6K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 20,462 | $232.9K | 0.00% | +3,195+18.5% | Added |
| Two Sigma Advisers, LP | 20,400 | $232.2K | 0.00% | −21,500−51.3% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 20,212 | $226.6K | 0.00% | +5,455+37.0% | Added |
| Invesco Ltd. | 19,705 | $224.2K | 0.00% | +9,004+84.1% | Added |
| SRS Capital Advisors, Inc. | 19,656 | $223.7K | 0.00% | +18,620+1,797.3% | Added |
| Creative Planning | 19,529 | $222.2K | 0.00% | +4,198+27.4% | Added |
| Royal Bank of Canada | 19,223 | $218.0K | 0.00% | +11,702+155.6% | Added |
| Virtus ETF Advisers LLC | 18,711 | $212.9K | 0.12% | 00.0% | Unchanged |