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 |
|---|---|---|---|---|---|
| White Mountains Insurance Group Ltd | 17,856,614 | $166.1M | 52.99% | 00.0% | Unchanged |
| BlackRock, Inc. | 3,476,687 | $32.3M | 0.00% | −74,778−2.1% | Reduced |
| Clearline Capital LP | 2,590,670 | $24.1M | 1.87% | +1,289,217+99.1% | Added |
| JPMorgan Chase & Co | 1,745,679 | $16.5M | 0.00% | +377,783+27.6% | Added |
| Vanguard Capital Management LLC | 1,385,729 | $12.9M | 0.00% | +1,385,729 | New |
| J. Goldman & Co LP | 1,182,673 | $11.0M | 0.51% | +396,304+50.4% | Added |
| Geode Capital Management, LLC | 1,070,084 | $9.95M | 0.00% | +292,780+37.7% | Added |
| Arrowstreet Capital, Limited Partnership | 1,061,981 | $9.88M | 0.01% | +206,077+24.1% | Added |
| Jacobs Asset Management, LLC | 924,443 | $8.60M | 5.15% | +219,144+31.1% | Added |
| Acadian Asset Management LLC | 847,199 | $7.87M | 0.01% | +241,028+39.8% | Added |
| State Street Corp | 838,161 | $7.79M | 0.00% | +106,754+14.6% | Added |
| Shay Capital LLC | 775,000 | $7.21M | 1.02% | +184,000+31.1% | Added |
| Jacobs Levy Equity Management, Inc | 750,054 | $6.98M | 0.03% | +49,557+7.1% | Added |
| Renaissance Technologies LLC | 719,300 | $6.69M | 0.01% | −326,100−31.2% | Reduced |
| Morgan Stanley | 703,018 | $6.54M | 0.00% | −257,136−26.8% | Reduced |
| Nuveen, LLC | 701,399 | $6.52M | 0.00% | +34,860+5.2% | Added |
| Goldman Sachs Group Inc | 623,421 | $5.80M | 0.00% | −105,946−14.5% | Reduced |
| Dimensional Fund Advisors LP | 620,669 | $5.77M | 0.00% | +300,871+94.1% | Added |
| Vanguard Portfolio Management LLC | 546,745 | $5.08M | 0.00% | +546,745 | New |
| Speece Thorson Capital Group Inc | 499,011 | $4.64M | 1.06% | +499,011 | New |
| AQR Capital Management LLC | 481,951 | $4.48M | 0.00% | −322,144−40.1% | Reduced |
| Philadelphia Financial Management of San Francisco, LLC | 480,000 | $4.46M | 1.43% | +480,000 | New |
| Qube Research & Technologies Ltd | 415,280 | $3.86M | 0.01% | +131,268+46.2% | Added |
| Franklin Resources Inc | 343,709 | $3.20M | 0.00% | +14,997+4.6% | Added |
| D. E. Shaw & Co., Inc. | 342,058 | $3.18M | 0.00% | −55,322−13.9% | Reduced |
| Triad Investment Management | 333,864 | $3.10M | 3.67% | +58,427+21.2% | Added |
| HRT Financial LP | 329,332 | $3.06M | 0.01% | +220,309+202.1% | Added |
| Alliancebernstein L.P. | 205,440 | $2.66M | 0.00% | +171,510+505.5% | Added |
| Jane Street Group, LLC | 283,008 | $2.63M | 0.00% | −77,121−21.4% | Reduced |
| Bank of America Corp | 279,704 | $2.60M | 0.00% | +221,540+380.9% | Added |
| Charles Schwab Investment Management Inc | 274,339 | $2.55M | 0.00% | −5,478−2.0% | Reduced |
| Northern Trust Corp | 271,824 | $2.53M | 0.00% | +4,546+1.7% | Added |
| Pacer Advisors, Inc. | 258,250 | $2.40M | 0.01% | −4,774−1.8% | Reduced |
| Citadel Advisors LLC | 229,323 | $2.13M | 0.00% | +59,676+35.2% | Added |
| Vanguard Fiduciary Trust Co | 227,112 | $2.11M | 0.00% | +227,112 | New |
| Stoic Point Capital Management LLC | 221,041 | $2.06M | 2.02% | +13,743+6.6% | Added |
| Squarepoint Ops LLC | 215,541 | $2.00M | 0.00% | +91,253+73.4% | Added |
| Susquehanna International Group, LLP | 189,736 | $1.76M | 0.00% | +108,746+134.3% | Added |
| Teacher Retirement System of Texas | 185,325 | $1.72M | 0.01% | +174,347+1,588.1% | Added |
| UBS Asset Management Americas Inc | 180,511 | $1.68M | 0.00% | +115,426+177.3% | Added |
| Two Sigma Investments, LP | 175,289 | $1.63M | 0.00% | +115,429+192.8% | Added |
| Y-Intercept (Hong Kong) Ltd | 158,170 | $1.47M | 0.03% | −52,182−24.8% | Reduced |
| UBS Group AG | 153,883 | $1.43M | 0.00% | +94,194+157.8% | Added |
| Caption Management, LLC | 149,048 | $1.39M | 0.07% | +149,048 | New |
| XTX Topco Ltd | 146,838 | $1.37M | 0.02% | +56,136+61.9% | Added |
| Principal Financial Group Inc | 137,613 | $1.28M | 0.00% | +102,210+288.7% | Added |
| Man Group plc | 136,707 | $1.27M | 0.00% | +25,831+23.3% | Added |
| Gsa Capital Partners LLP | 109,268 | $1.02M | 0.06% | +62,484+133.6% | Added |
| Balyasny Asset Management LLC | 108,808 | $1.01M | 0.00% | −75,351−40.9% | Reduced |
| Quantinno Capital Management LP | 107,274 | $997.6K | 0.00% | +64,526+150.9% | Added |
| State of Wisconsin Investment Board | 106,160 | $987.3K | 0.00% | +59,318+126.6% | Added |
| PDT Partners, LLC | 90,022 | $837.2K | 0.05% | −75,518−45.6% | Reduced |
| Victory Capital Management Inc | 87,269 | $811.6K | 0.00% | −642,188−88.0% | Reduced |
| Bank of New York Mellon Corp | 86,955 | $808.7K | 0.00% | −357−0.4% | Reduced |
| Divisadero Street Capital Management, LP | 86,907 | $808.2K | 0.04% | −762,104−89.8% | Reduced |
| Russell Investments Group, Ltd. | 84,894 | $794.0K | 0.00% | −5,949−6.5% | Reduced |
| Algert Global LLC | 84,510 | $785.9K | 0.01% | +84,510 | New |
| Globeflex Capital L P | 80,233 | $746.2K | 0.11% | 00.0% | Unchanged |
| Amundi | 78,104 | $726.4K | 0.00% | +19,488+33.2% | Added |
| Allianz Asset Management GmbH | 70,176 | $652.6K | 0.00% | 00.0% | Unchanged |
| Swiss National Bank | 58,700 | $545.9K | 0.00% | 00.0% | Unchanged |
| Mariner, LLC | 58,489 | $544.0K | 0.00% | −11,402−16.3% | Reduced |
| BNP Paribas Arbitrage, SA | 56,206 | $522.7K | 0.00% | −216,945−79.4% | Reduced |
| Blair William & Co | 55,975 | $520.6K | 0.00% | −4,171−6.9% | Reduced |
| Rhumbline Advisers | 47,884 | $445.3K | 0.00% | −638−1.3% | Reduced |
| Millennium Management LLC | 47,041 | $437.5K | 0.00% | −704,704−93.7% | Reduced |
| Allspring Global Investments Holdings, LLC | 47,885 | $434.8K | 0.00% | +4,935+11.5% | Added |
| Barclays PLC | 45,364 | $421.9K | 0.00% | −46,060−50.4% | Reduced |
| Dynamic Technology Lab Private Ltd | 43,595 | $405.4K | 0.07% | +43,595 | New |
| State of Wyoming | 43,001 | $399.9K | 0.05% | +4,169+10.7% | Added |
| Skopos Labs, Inc. | 39,724 | $369.4K | 0.01% | +27,683+229.9% | Added |
| Vanguard Global Advisers, LLC | 37,688 | $350.5K | 0.00% | +37,688 | New |
| Fox Run Management, L.L.C. | 36,955 | $348.9K | 0.06% | +10,920+41.9% | Added |
| Price T Rowe Associates Inc | 37,076 | $345.0K | 0.00% | +6,062+19.5% | Added |
| SEI Investments Co | 35,738 | $332.4K | 0.00% | −46,106−56.3% | Reduced |
| Deutsche Bank AG | 35,088 | $326.3K | 0.00% | +3,448+10.9% | Added |
| Ieq Capital, LLC | 32,921 | $306.2K | 0.00% | −55,215−62.6% | Reduced |
| Quantbot Technologies LP | 29,119 | $270.8K | 0.01% | +29,119 | New |
| Legal & General Group Plc | 27,533 | $256.1K | 0.00% | −6,284−18.6% | Reduced |
| FMR LLC | 27,174 | $252.7K | 0.00% | +22,347+463.0% | Added |
| Bridgefront Capital, LLC | 26,170 | $243.4K | 0.06% | +26,170 | New |
| Abel Hall, LLC | 25,424 | $236.4K | 0.05% | +25,424 | New |
| Spears Abacus Advisors LLC | 25,400 | $236.2K | 0.00% | −150−0.6% | Reduced |
| California State Teachers Retirement System | 25,252 | $234.8K | 0.00% | −252−1.0% | Reduced |
| Los Angeles Capital Management LLC | 23,740 | $220.8K | 0.00% | −48,545−67.2% | Reduced |
| Invesco Ltd. | 23,627 | $219.7K | 0.00% | −2,397−9.2% | Reduced |
| Elkhorn Partners Limited Partnership | 23,000 | $213.9K | 0.14% | +23,000 | New |
| CWM, LLC | 22,425 | $208.6K | 0.00% | −19,853−47.0% | Reduced |
| MetLife Investment Management | 21,402 | $199.0K | 0.00% | 00.0% | Unchanged |
| Jupiter Asset Management Ltd | 21,172 | $196.9K | 0.00% | +21,172 | New |
| Wealth Enhancement Advisory Services, LLC | 20,916 | $195.8K | 0.00% | −5,521−20.9% | Reduced |
| State of Tennessee, Treasury Department | 20,728 | $192.8K | 0.00% | +7,825+60.6% | Added |
| Creative Planning | 19,946 | $185.5K | 0.00% | −5,326−21.1% | Reduced |
| SG Americas Securities, LLC | 19,473 | $181.0K | 0.00% | +3,668+23.2% | Added |
| Cornerstone Investment Partners, LLC | 19,008 | $176.8K | 0.01% | +4,358+29.7% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 18,642 | $173.4K | 0.00% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 17,807 | $165.6K | 0.00% | +17,807 | New |
| Eventide Asset Management, LLC | 17,509 | $165.3K | 0.00% | +17,509 | New |
| Vanguard Asset Management, Ltd | 17,425 | $162.1K | 0.00% | +17,425 | New |
| Mercer Global Advisors Inc | 16,155 | $150.2K | 0.00% | −805−4.7% | Reduced |