Mediaalpha Inc. Class AMAX
13F holders, Q2 2024 (June 30)At the end of Q2 2024, 149 institutions reported holding Mediaalpha Inc. Class A (MAX) in their 13F filings, up 27 from Q1 2024. 46 opened new positions and 19 sold out. The largest holders were White Mountains Insurance Group Ltd. ($235.2M), Kayne Anderson Rudnick Investment Management LLC ($61.6M) and Vanguard Group Inc. ($40.6M). 7 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Mediaalpha Inc. Class A
- CUSIP
- 58450V104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 46 | $49.5M |
| Exits | 19 | $15.1M |
All 13F filers, Q1 2024 → Q2 2024: 12,860,389 shares bought and 6,895,435 shares sold, net +5,964,954 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 149 holders
| White Mountains Insurance Group Ltd. | 53.00% | Reduce -21.9% | 17,856,614 | $235.2M |
| Kayne Anderson Rudnick Investment Management LLC | 0.15% | Reduce -8.1% | 4,679,669 | $61.6M |
| Vanguard Group Inc. | 0.00% | Add +45.4% | 3,081,264 | $40.6M |
| BlackRock Inc. | 0.00% | Add +42.6% | 2,482,109 | $32.7M |
| Broad Bay Capital Management, LP | 4.29% | Add +15.7% | 2,383,209 | $31.4M |
| Driehaus Capital Management LLC | 0.18% | Add +208.4% | 1,436,615 | $18.9M |
| TimesSquare Capital Management, LLC | 0.22% | Reduce -1.5% | 1,072,560 | $14.1M |
| Morgan Stanley | 0.00% | Add +200.1% | 749,823 | $9.9M |
| Philadelphia Financial Management of San Francisco, LLC | 2.23% | New | 728,730 | $9.6M |
| Divisadero Street Capital Management, LP | 1.30% | New | 604,106 | $8.0M |
| Emerald Advisers, LLC | 0.33% | Add +51407.5% | 598,517 | $7.9M |
| Clearline Capital LP | 0.66% | Add +1255.3% | 576,728 | $7.6M |
| Qube Research & Technologies Ltd | 0.01% | Add +3325.2% | 569,194 | $7.5M |
| Geode Capital Management, LLC | 0.00% | Add +13.8% | 535,937 | $7.1M |
| Voloridge Investment Management, LLC | 0.03% | New | 533,703 | $7.0M |
| State Street Corp. | 0.00% | Add +13.6% | 511,946 | $6.7M |
| Citadel Advisors | 0.01% | Add +45.9% | 490,431 | $6.5M |
| Ghisallo Capital Management LLC | 0.56% | Add +535.3% | 487,500 | $6.4M |
| Millennium Management | 0.01% | Reduce -21.8% | 477,019 | $6.3M |
| Renaissance Technologies | 0.01% | Add +19.1% | 470,000 | $6.2M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Add +219.3% | 465,753 | $6.1M |
| Jacobs Asset Management, LLC | 3.77% | Add +100.0% | 450,000 | $5.9M |
| D. E. Shaw & Co. | 0.01% | Add +146.6% | 444,674 | $5.9M |
| Shay Capital LLC | 1.43% | Add +310.5% | 390,000 | $5.1M |
| Silvercrest Asset Management Group LLC | 0.03% | Reduce -1.2% | 371,042 | $4.9M |
| Marshall Wace, LLP | 0.01% | New | 357,027 | $4.7M |
| Wells Fargo & Company | 0.00% | Reduce -1.0% | 345,878 | $4.6M |
| Deutsche Bank AG | 0.00% | Add +2480.8% | 340,567 | $4.5M |
| CenterBook Partners LP | 0.26% | Add +257.4% | 315,092 | $4.1M |
| Emerald Mutual Fund Advisers Trust | 0.22% | Add +49.6% | 311,796 | $4.1M |
| Lighthouse Investment Partners, LLC | 0.22% | New | 303,893 | $4.0M |
| Two Sigma Investments, LP | 0.01% | Add +250.8% | 275,834 | $3.6M |
| Cubist Systematic Strategies, LLC | 0.06% | New | 245,657 | $3.2M |
| Earnest Partners LLC | 0.01% | Reduce -1.5% | 240,538 | $3.2M |
| Goldman Sachs Group Inc. | 0.00% | Add +337.2% | 226,996 | $3.0M |
| Northern Trust Corp. | 0.00% | Add +4.7% | 207,442 | $2.7M |
| Hillsdale Investment Management Inc. | 0.21% | Add +3.3% | 205,900 | $2.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +16.8% | 202,268 | $2.7M |
| HBK Investments L P | 0.07% | Reduce -9.6% | 200,000 | $2.6M |
| Acadian Asset Management LLC | 0.01% | Add +248.0% | 191,433 | $2.5M |
| Sei Investments Co. | 0.00% | Add +45.5% | 179,202 | $2.4M |
| Verition Fund Management LLC | 0.02% | New | 140,931 | $1.9M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -2.3% | 138,872 | $1.8M |
| Nantahala Capital Management, LLC | 0.16% | Reduce -17.3% | 123,564 | $1.6M |
| Federated Hermes, Inc. | 0.00% | Add +29.0% | 121,566 | $1.6M |
| Townsquare Capital LLC | 0.02% | Reduce -4.6% | 114,668 | $1.5M |
| Tudor Investment Corporation | 0.02% | Add +215.5% | 110,339 | $1.5M |
| Jump Financial, LLC | 0.03% | Add +743.8% | 109,853 | $1.4M |
| Mariner, LLC | 0.00% | Add +37.1% | 103,900 | $1.4M |
| Jane Street Group, LLC | 0.00% | Add +539.0% | 100,630 | $1.3M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -23.6% | 100,007 | $1.3M |
| J. Goldman & Co LP | 0.05% | Reduce -77.7% | 99,230 | $1.3M |
| Bank of America Corp. | 0.00% | Add +664.0% | 93,207 | $1.2M |
| Balyasny Asset Management L.P. | 0.00% | Add +299.1% | 92,795 | $1.2M |
| Trexquant Investment LP | 0.02% | New | 91,907 | $1.2M |
| Bank of New York Mellon Corp | 0.00% | Add +15.8% | 84,155 | $1.1M |
| ExodusPoint Capital Management, LP | 0.01% | Add +116.3% | 83,337 | $1.1M |
| Two Sigma Advisers, LP | 0.00% | New | 78,500 | $1.0M |
| Daiwa Securities Group Inc. | 0.01% | Reduce -7.7% | 69,586 | $916K |
| Group One Trading LLC | 0.03% | New | 68,186 | $898K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | New | 67,720 | $892K |
| Teacher Retirement System of Texas | 0.01% | New | 66,551 | $876K |
| Stifel Financial Corp. | 0.00% | Reduce -0.3% | 64,716 | $852K |
| Franklin Resources Inc. | 0.00% | Add +116.9% | 64,273 | $846K |
| Swiss National Bank | 0.00% | Add +56.3% | 64,100 | $844K |
| Cannell & Spears LLC | 0.02% | Reduce -35.0% | 63,925 | $842K |
| Neuberger Berman Group LLC | 0.00% | Add +7.1% | 57,328 | $755K |
| Squarepoint Ops LLC | 0.00% | Add +373.2% | 50,339 | $663K |
| Jacobs Levy Equity Management, Inc. | 0.00% | New | 48,666 | $641K |
| UBS Group AG | 0.00% | Add +84.6% | 48,498 | $639K |
| Azzad Asset Management Inc. | 0.07% | Reduce -25.2% | 43,173 | $569K |
| Rhumbline Advisers | 0.00% | Add +7.3% | 36,751 | $484K |
| Victory Capital Management Inc. | 0.00% | New | 36,220 | $477K |
| Westfield Capital Management Co. LP | 0.00% | Add +89.4% | 33,800 | $445K |
| Alliancebernstein L.P. | 0.00% | Add +40.4% | 32,400 | $427K |
| California State Teachers Retirement System | 0.00% | Add +46.5% | 31,191 | $411K |
| Engineers Gate Manager LP | 0.01% | New | 30,406 | $400K |
| State of Wisconsin Investment Board | 0.00% | Add +136.5% | 29,749 | $392K |
| Los Angeles Capital Management LLC | 0.00% | Add +17.2% | 28,763 | $379K |
| Corton Capital Inc. | 0.19% | New | 27,762 | $366K |
| Deerfield Management Company, L.P. | 0.01% | New | 27,630 | $364K |
| Sherbrooke Park Advisers LLC | 0.06% | New | 26,963 | $355K |
| Legal & General Group Plc | 0.00% | Add +31.5% | 26,408 | $348K |
| Alpha DNA Investment Management LLC | 0.20% | New | 26,391 | $348K |
| M&T Bank Corp | 0.00% | Reduce -0.6% | 25,874 | $341K |
| Walleye Capital LLC | 0.00% | New | 24,003 | $316K |
| Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors | 0.05% | Add +5.1% | 23,890 | $315K |
| US Bancorp \de | 0.00% | Reduce -17.5% | 23,862 | $314K |
| HSBC Holdings PLC | 0.00% | Add +7.1% | 23,791 | $312K |
| AlphaQuest LLC | 0.04% | Add +1011.2% | 22,201 | $292K |
| EntryPoint Capital, LLC | 0.13% | Add +228.6% | 21,987 | $290K |
| Russell Investments Group, Ltd. | 0.00% | New | 20,689 | $272K |
| State of Wyoming | 0.04% | Add +25.5% | 19,482 | $257K |
| Atria Investments, Inc | 0.00% | New | 19,203 | $253K |
| Lazard Asset Management LLC | 0.00% | Add +135.0% | 19,105 | $251K |
| Quantbot Technologies LP | 0.01% | New | 18,942 | $249K |
| Portside Wealth Group, LLC | 0.05% | Reduce -3.3% | 18,781 | $247K |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | New | 17,068 | $225K |
| Susquehanna International Group, LLP | 0.00% | New | 16,547 | $218K |
| HRT Financial LP | 0.00% | Add +2.5% | 16,469 | $216K |
"% of holder's portfolio" is MAX's weight in each manager's 13F, not the share of Mediaalpha Inc. Class A the manager owns.