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 |
|---|---|---|---|---|---|
| Swiss National Bank | 58,700 | $668.0K | 0.00% | 00.0% | Unchanged |
| Mariner, LLC | 61,909 | $704.5K | 0.00% | +14,428+30.4% | Added |
| SEI Investments Co | 62,721 | $713.8K | 0.00% | −53,306−45.9% | Reduced |
| Susquehanna International Group, LLP | 64,180 | $730.4K | 0.00% | −27,887−30.3% | Reduced |
| Blair William & Co | 66,197 | $753.3K | 0.00% | +2,190+3.4% | Added |
| Allianz Asset Management GmbH | 70,176 | $798.6K | 0.00% | −100−0.1% | Reduced |
| Janney Montgomery Scott LLC | 70,355 | $801.0K | 0.00% | −11,368−13.9% | Reduced |
| Boothbay Fund Management, LLC | 70,666 | $804.2K | 0.02% | +70,666 | New |
| UBS Asset Management Americas Inc | 71,458 | $813.2K | 0.00% | −52,612−42.4% | Reduced |
| Ieq Capital, LLC | 79,557 | $905.4K | 0.00% | +34,979+78.5% | Added |
| Teacher Retirement System of Texas | 80,530 | $916.4K | 0.00% | −69,403−46.3% | Reduced |
| Bank of America Corp | 82,079 | $934.1K | 0.00% | −143,710−63.6% | Reduced |
| Barclays PLC | 85,840 | $976.9K | 0.00% | −27,808−24.5% | Reduced |
| Divisadero Street Capital Management, LP | 86,907 | $989.0K | 0.05% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 99,144 | $1.13M | 0.00% | +4,072+4.3% | Added |
| Los Angeles Capital Management LLC | 104,580 | $1.19M | 0.00% | −14,948−12.5% | Reduced |
| Dimensional Fund Advisors LP | 118,692 | $1.35M | 0.00% | +54,584+85.1% | Added |
| Canada Pension Plan Investment Board | 130,600 | $1.49M | 0.00% | +5,200+4.1% | Added |
| UBS Group AG | 138,186 | $1.57M | 0.00% | −390,194−73.8% | Reduced |
| PDT Partners, LLC | 165,540 | $1.88M | 0.12% | 00.0% | Unchanged |
| Jane Street Group, LLC | 176,305 | $2.01M | 0.00% | +176,305 | New |
| Marshall Wace, LLP | 182,743 | $2.08M | 0.00% | +17,116+10.3% | Added |
| BNP Paribas Arbitrage, SA | 193,587 | $2.20M | 0.00% | +106,539+122.4% | Added |
| Y-Intercept (Hong Kong) Ltd | 207,616 | $2.36M | 0.06% | +44,869+27.6% | Added |
| Pacer Advisors, Inc. | 246,427 | $2.80M | 0.01% | −87,531−26.2% | Reduced |
| Earnest Partners LLC | 269,607 | $3.07M | 0.01% | 00.0% | Unchanged |
| Algert Global LLC | 275,387 | $3.13M | 0.05% | +46,609+20.4% | Added |
| Charles Schwab Investment Management Inc | 279,734 | $3.18M | 0.00% | −31,857−10.2% | Reduced |
| Northern Trust Corp | 287,762 | $3.27M | 0.00% | +9,835+3.5% | Added |
| Lazard Asset Management LLC | 294,796 | $3.35M | 0.00% | −95,010−24.4% | Reduced |
| Franklin Resources Inc | 317,972 | $3.62M | 0.00% | +297,855+1,480.6% | Added |
| Lighthouse Investment Partners, LLC | 353,930 | $4.03M | 0.15% | +315,943+831.7% | Added |
| G2 Investment Partners Management LLC | 375,473 | $4.27M | 0.88% | +375,473 | New |
| Janus Henderson Group PLC | 386,155 | $4.39M | 0.00% | −246,733−39.0% | Reduced |
| Acadian Asset Management LLC | 419,839 | $4.77M | 0.01% | −112,598−21.1% | Reduced |
| D. E. Shaw & Co., Inc. | 454,883 | $5.18M | 0.00% | −440,465−49.2% | Reduced |
| Qube Research & Technologies Ltd | 504,342 | $5.74M | 0.01% | −22,007−4.2% | Reduced |
| Arrowstreet Capital, Limited Partnership | 520,452 | $5.92M | 0.00% | +36,110+7.5% | Added |
| J. Goldman & Co LP | 531,027 | $6.04M | 0.23% | +356,027+203.4% | Added |
| Jacobs Levy Equity Management, Inc | 560,765 | $6.38M | 0.03% | +91,204+19.4% | Added |
| State Street Corp | 672,126 | $7.65M | 0.00% | +19,288+3.0% | Added |
| Nuveen, LLC | 690,465 | $7.86M | 0.00% | −210,325−23.3% | Reduced |
| Victory Capital Management Inc | 710,819 | $8.09M | 0.01% | +658,625+1,261.9% | Added |
| Geode Capital Management, LLC | 769,774 | $8.76M | 0.00% | +5,072+0.7% | Added |
| AQR Capital Management LLC | 770,679 | $8.77M | 0.01% | +169,086+28.1% | Added |
| Shay Capital LLC | 790,100 | $8.99M | 1.63% | +120,100+17.9% | Added |
| Jacobs Asset Management, LLC | 819,026 | $9.32M | 5.10% | +20,360+2.5% | Added |
| Morgan Stanley | 872,031 | $9.92M | 0.00% | +116,105+15.4% | Added |
| Renaissance Technologies LLC | 945,100 | $10.8M | 0.01% | +172,800+22.4% | Added |
| JPMorgan Chase & Co | 1,058,441 | $12.0M | 0.00% | +516,195+95.2% | Added |
| Goldman Sachs Group Inc | 1,279,960 | $14.6M | 0.00% | −727,226−36.2% | Reduced |
| Clearline Capital LP | 1,290,849 | $14.7M | 1.27% | −134,459−9.4% | Reduced |
| Millennium Management LLC | 1,429,556 | $16.3M | 0.01% | +1,246,493+680.9% | Added |
| Broad Bay Capital Management, LP | 1,468,695 | $16.7M | 2.08% | −1,029,812−41.2% | Reduced |
| Vanguard Group Inc | 2,600,621 | $29.6M | 0.00% | −258,578−9.0% | Reduced |
| BlackRock, Inc. | 3,573,190 | $40.7M | 0.00% | −430,229−10.7% | Reduced |
| White Mountains Insurance Group Ltd | 17,856,614 | $203.2M | 100.00% | 00.0% | Unchanged |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −359,200−100.0% | Sold out |
| Jackson Creek Investment Advisors LLC | 0 | $0 | 0.00% | −164,060−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −120,775−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −115,626−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −66,206−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −57,537−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −51,550−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −41,164−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −36,236−100.0% | Sold out |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −28,470−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −27,238−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −26,987−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −26,254−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −25,141−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −24,529−100.0% | Sold out |
| Stoneridge Investment Partners LLC | 0 | $0 | 0.00% | −21,362−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −21,145−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −19,865−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −1,603−100.0% | Sold out |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0 | $0 | 0.00% | −486−100.0% | Sold out |
| GPS Wealth Strategies Group, LLC | 0 | $0 | 0.00% | −300−100.0% | Sold out |