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MediaAlpha, Inc.
$13.43 +0.63 (+4.92%) At close · Jul 2
Market Cap
$837.37M
Shares
62,350,422

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 162
Total Value: $454,626,967
Total Shares: 48,884,330
Showing 1–100 of 169 holdings by value · page 1 of 2

Institutional Ownership Trend

23 quarters

Holder Concentration

Across 161 13F filers
Top Holder
36.5%
Jun 2023 → Mar 2026 · range 35.4% – 55.3%
of institutional value
Top 5
56.3%
Jun 2023 → Mar 2026 · range 55.5% – 82.9%
of institutional value
Top 10
67.2%
Jun 2023 → Mar 2026 · range 64.9% – 89.3%
of institutional value
HHI
1,492
Jun 2023 → Mar 2026 · range 1,464 – 3,325
Broadly held
Showing 100 of 169
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Small WHITE MOUNTAINS INSURANCE GROUP LTD Insurance $166,066,510 36.53% 17,856,614
Mega BlackRock, Inc. $32,333,185 7.11% 3,476,687
Mid Clearline Capital LP $24,093,231 5.30% 2,590,670
Mega JPMORGAN CHASE & CO $16,234,813 3.57% 1,745,679
Mega VANGUARD CAPITAL MANAGEMENT LLC $12,887,279 2.83% 1,385,729
Mid J. Goldman & Co LP $10,998,858 2.42% 1,182,673
Mega GEODE CAPITAL MANAGEMENT, LLC $9,951,781 2.19% 1,070,084
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $9,876,423 2.17% 1,061,981
Small JACOBS ASSET MANAGEMENT, LLC $8,597,319 1.89% 924,443
Large ACADIAN ASSET MANAGEMENT LLC $7,878,950 1.73% 847,199
Mega STATE STREET CORP $7,794,897 1.71% 838,161
Mid Shay Capital LLC $7,207,500 1.59% 775,000
Large JACOBS LEVY EQUITY MANAGEMENT, INC $6,975,502 1.53% 750,054
Large RENAISSANCE TECHNOLOGIES LLC $6,689,490 1.47% 719,300
Mega MORGAN STANLEY $6,538,066 1.44% 703,018
Mega Nuveen, LLC $6,523,010 1.43% 701,399
Mid J. Goldman & Co LP $6,402,120 1.41% 688,400
Mega GOLDMAN SACHS GROUP INC $5,797,815 1.28% 623,421
Mega DIMENSIONAL FUND ADVISORS LP $5,772,221 1.27% 620,669
Small SPEECE THORSON CAPITAL GROUP INC $4,640,802 1.02% 499,011
Mega AQR CAPITAL MANAGEMENT LLC $4,482,141 0.99% 481,951
Small Philadelphia Financial Management of San Francisco, LLC $4,464,000 0.98% 480,000
Large Qube Research & Technologies Ltd $3,862,104 0.85% 415,280
Mega FRANKLIN RESOURCES INC $3,196,492 0.70% 343,709
Mega D. E. Shaw & Co., Inc. $3,181,139 0.70% 342,058
Micro Triad Investment Management $3,104,935 0.68% 333,864
Large HRT FINANCIAL LP $3,062,787 0.67% 329,332
Mega JANE STREET GROUP, LLC $2,631,974 0.58% 283,008
Mega BANK OF AMERICA CORP /DE/ Bank $2,601,247 0.57% 279,704
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $2,551,352 0.56% 274,339
Mega NORTHERN TRUST CORP Bank $2,527,962 0.56% 271,824
Large Pacer Advisors, Inc. $2,401,725 0.53% 258,250
Mega CITADEL ADVISORS LLC $2,132,703 0.47% 229,323
Mega VANGUARD FIDUCIARY TRUST CO Bank $2,112,141 0.46% 227,112
Micro Stoic Point Capital Management LLC $2,055,681 0.45% 221,041
Large Squarepoint Ops LLC $2,004,531 0.44% 215,541
Mega ALLIANCEBERNSTEIN L.P. $1,910,592 0.42% 205,440
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,764,544 0.39% 189,736
Large TEACHER RETIREMENT SYSTEM OF TEXAS Pension $1,723,522 0.38% 185,325
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $1,678,751 0.37% 180,511
Mega TWO SIGMA INVESTMENTS, LP $1,630,187 0.36% 175,289
Mid Y-Intercept (Hong Kong) Ltd $1,470,981 0.32% 158,170
Mega UBS Group AG $1,431,111 0.31% 153,883
Large Caption Management, LLC $1,386,146 0.30% 149,048
Mid XTX Topco Ltd $1,365,593 0.30% 146,838
Mega PRINCIPAL FINANCIAL GROUP INC $1,279,800 0.28% 137,613
Large Man Group plc $1,271,375 0.28% 136,707
Mid GSA CAPITAL PARTNERS LLP $1,016,192 0.22% 109,268
Large Balyasny Asset Management L.P. $1,011,914 0.22% 108,808
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,010,910 0.22% 108,700
Large Quantinno Capital Management LP $997,648 0.22% 107,274
Large STATE OF WISCONSIN INVESTMENT BOARD $987,288 0.22% 106,160
Mid PDT Partners, LLC $837,204 0.18% 90,022
Mega VICTORY CAPITAL MANAGEMENT INC $811,601 0.18% 87,269
Mega Bank of New York Mellon Corp Bank $808,680 0.18% 86,955
Mid Divisadero Street Capital Management, LP $808,235 0.18% 86,907
Large Russell Investments Group, Ltd. $789,511 0.17% 84,894
Mid ALGERT GLOBAL LLC $785,943 0.17% 84,510
Small GLOBEFLEX CAPITAL L P $746,166 0.16% 80,233
Mega Amundi $726,367 0.16% 78,104
Large Allianz Asset Management GmbH $652,636 0.14% 70,176
Mega CITADEL ADVISORS LLC $590,550 0.13% 63,500
Mega Swiss National Bank Bank $545,910 0.12% 58,700
Large Mariner, LLC $543,947 0.12% 58,489
Mega BNP PARIBAS ARBITRAGE, SA $522,715 0.11% 56,206
Large BLAIR WILLIAM & CO/IL $520,567 0.11% 55,975
Mega JANE STREET GROUP, LLC $514,290 0.11% 55,300
Large Allspring Global Investments Holdings, LLC $445,329 0.10% 47,885
Mega RHUMBLINE ADVISERS $445,321 0.10% 47,884
Mega MILLENNIUM MANAGEMENT LLC $437,481 0.10% 47,041
Mega BARCLAYS PLC $421,883 0.09% 45,364
Small Dynamic Technology Lab Private Ltd $405,433 0.09% 43,595
Small State of Wyoming $399,909 0.09% 43,001
Mid Brooklyn Investment Group $369,433 0.08% 39,724
Mega Vanguard Global Advisers, LLC $350,498 0.08% 37,688
Mega PRICE T ROWE ASSOCIATES INC /MD/ $344,806 0.08% 37,076
Small FOX RUN MANAGEMENT, L.L.C. $343,681 0.08% 36,955
Large SEI INVESTMENTS CO $332,363 0.07% 35,738
Mega DEUTSCHE BANK AG\ Bank $326,318 0.07% 35,088
Large IEQ CAPITAL, LLC $306,165 0.07% 32,921
Mid Quantbot Technologies LP $270,806 0.06% 29,119
Mega Legal & General Group Plc $256,056 0.06% 27,533
Mega FMR LLC $252,716 0.06% 27,174
Small Bridgefront Capital, LLC $243,381 0.05% 26,170
Small Abel Hall, LLC $236,443 0.05% 25,424
Mid Cannell & Spears LLC $236,220 0.05% 25,400
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $234,843 0.05% 25,252
Large LOS ANGELES CAPITAL MANAGEMENT LLC $220,782 0.05% 23,740
Mega Invesco Ltd. $219,729 0.05% 23,627
Small ELKHORN PARTNERS LIMITED PARTNERSHIP $213,900 0.05% 23,000
Large CWM, LLC $208,552 0.05% 22,425
Large MetLife Investment Management, LLC $199,038 0.04% 21,402
Large JUPITER ASSET MANAGEMENT LTD $196,899 0.04% 21,172
Large WEALTH ENHANCEMENT ADVISORY SERVICES, LLC $194,518 0.04% 20,916
Large State of Tennessee, Department of Treasury $192,770 0.04% 20,728
Large Creative Planning $185,497 0.04% 19,946
Large SG Americas Securities, LLC Broker-Dealer $181,098 0.04% 19,473
Mid Cornerstone Investment Partners, LLC $176,774 0.04% 19,008
Large Zurcher Kantonalbank (Zurich Cantonalbank) Bank $173,370 0.04% 18,642
Mega AMERIPRISE FINANCIAL INC $165,605 0.04% 17,807
Key facts CIK 1818383 CUSIP 58450V104 13F (30d) 4 filings 4 filers Visit website Investor relations

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