MediaAlpha, Inc. (MAX) — Institutional Holders, Q2 2026
154 institutional investment managers reported a MAX position on SEC Form 13F-HR for the quarter ended June 30, 2026, with a combined reported value of $610.2M. Every filer is listed below, ranked by position value, 100 per page; this page shows ranks 1 to 100. Put and call option positions are excluded, and a firm filing several lots or share classes is shown once with its total.
MAX in Q2 2026: what funds did
Funds that filed a 13F for both Q1 2026 and Q2 2026, by what they did with the common stock. Share counts are adjusted for any split between the two quarters; dollar figures are the change in shares at this quarter’s price.
Biggest buyers
- Divisadero Street Capital ManagementAdded · +933,081 sh+$11.7M
- EVR ResearchNew · +440,000 sh+$5.5M
- CITADEL ADVISORSAdded · +360,373 sh+$4.5M
- JANE STREET GROUPAdded · +268,617 sh+$3.4M
- TWO SIGMA INVESTMENTSAdded · +234,191 sh+$2.9M
Biggest sellers
- J. GoldmanTrimmed · -584,603 sh-$7.3M
- Triad Investment ManagementTrimmed · -576,242 sh-$7.2M
- Philadelphia Financial Management of San FranciscoSold out · -480,000 sh-$6.0M
- Qube Research & Technologies LtdTrimmed · -322,827 sh-$4.1M
- FRANKLIN RESOURCESTrimmed · -269,122 sh-$3.4M
MAX 13F holders ranked 1–100 of 154
| # | Institution | Shares | Value | % of portfolio | QoQShares vs Q1 2026 |
|---|---|---|---|---|---|
| 1 | WHITE MOUNTAINS INSURANCE GROUP LTD#1 · 17,856,614 sh | 17,856,614 | $224.5M | 57.03% | 0.0% |
| 2 | BlackRock#2 · 3,392,357 sh | 3,392,357 | $42.6M | <0.01% | -2.4% |
| 3 | Clearline Capital#3 · 2,713,890 sh | 2,713,890 | $34.1M | 2.04% | +4.8% |
| 4 | JPMORGAN CHASE#4 · 1,880,062 sh | 1,880,062 | $23.3M | <0.01% | +7.7% |
| 5 | VANGUARD CAPITAL MANAGEMENT#5 · 1,276,369 sh | 1,276,369 | $16.0M | <0.01% | -7.9% |
| 6 | GEODE CAPITAL MANAGEMENT#6 · 1,068,308 sh | 1,068,308 | $13.4M | <0.01% | -0.2% |
| 7 | Divisadero Street Capital Management#7 · 1,019,988 sh | 1,019,988 | $12.8M | 0.29% | +1073.7% |
| 8 | JACOBS LEVY EQUITY MANAGEMENT#8 · 971,232 sh | 971,232 | $12.2M | 0.04% | +29.5% |
| 9 | ACADIAN ASSET MANAGEMENT#9 · 957,095 sh | 957,095 | $12.0M | 0.01% | +13.0% |
| 10 | JACOBS ASSET MANAGEMENT#10 · 919,761 sh | 919,761 | $11.6M | 7.27% | -0.5% |
| 11 | STATE STREET#11 · 862,235 sh | 862,235 | $10.8M | <0.01% | +2.9% |
| 12 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP#12 · 829,958 sh | 829,958 | $10.4M | <0.01% | -21.8% |
| 13 | MORGAN STANLEY#13 · 821,170 sh | 821,170 | $10.3M | <0.01% | +16.8% |
| 14 | Nuveen#14 · 752,447 sh | 752,447 | $9.5M | <0.01% | +7.3% |
| 15 | DIMENSIONAL FUND ADVISORS#15 · 701,914 sh | 701,914 | $8.8M | <0.01% | +13.1% |
| 16 | J. Goldman#16 · 598,070 sh | 598,070 | $7.5M | 0.19% | -49.4% |
| 17 | CITADEL ADVISORS#17 · 589,696 sh | 589,696 | $7.4M | <0.01% | +157.1% |
| 18 | RENAISSANCE TECHNOLOGIES#18 · 574,407 sh | 574,407 | $7.2M | <0.01% | -20.1% |
| 19 | Shay Capital#19 · 570,000 sh | 570,000 | $7.2M | 0.46% | -26.5% |
| 20 | JANE STREET GROUP#20 · 551,625 sh | 551,625 | $6.9M | <0.01% | +94.9% |
| 21 | D. E. Shaw#21 · 535,926 sh | 535,926 | $6.7M | <0.01% | +56.7% |
| 22 | SPEECE THORSON CAPITAL GROUP#22 · 489,098 sh | 489,098 | $6.1M | 1.31% | -2.0% |
| 23 | EVR Research#23 · 440,000 sh | 440,000 | $5.5M | 2.73% | New |
| 24 | VANGUARD PORTFOLIO MANAGEMENT#24 · 433,046 sh | 433,046 | $5.4M | <0.01% | -20.8% |
| 25 | GOLDMAN SACHS GROUP#25 · 428,866 sh | 428,866 | $5.4M | <0.01% | -31.2% |
| 26 | TWO SIGMA INVESTMENTS#26 · 409,480 sh | 409,480 | $5.1M | <0.01% | +133.6% |
| 27 | AQR CAPITAL MANAGEMENT#27 · 391,641 sh | 391,641 | $4.9M | <0.01% | -18.7% |
| 28 | HRT FINANCIAL#28 · 372,929 sh | 372,929 | $4.7M | 0.01% | +13.2% |
| 29 | BANK OF AMERICA#29 · 371,840 sh | 371,840 | $4.7M | <0.01% | +32.9% |
| 30 | Triad Investment Management#30 · 368,731 sh | 368,731 | $4.6M | — | -61.0% |
| 31 | Stoic Point Capital Management#31 · 297,150 sh | 297,150 | $3.7M | 3.10% | +34.4% |
| 32 | NORTHERN#32 · 267,107 sh | 267,107 | $3.4M | <0.01% | -1.7% |
| 33 | CHARLES SCHWAB INVESTMENT MANAGEMENT#33 · 259,224 sh | 259,224 | $3.3M | <0.01% | -5.5% |
| 34 | Squarepoint Ops#34 · 234,255 sh | 234,255 | $2.9M | <0.01% | +8.7% |
| 35 | VANGUARD FIDUCIARY#35 · 223,917 sh | 223,917 | $2.8M | <0.01% | -1.4% |
| 36 | TEACHER RETIREMENT SYSTEM OF TEXAS#36 · 216,405 sh | 216,405 | $2.7M | <0.01% | +16.8% |
| 37 | BNP PARIBAS FINANCIAL MARKETS#37 · 209,204 sh | 209,204 | $2.6M | <0.01% | +272.2% |
| 38 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME#38 · 180,171 sh | 180,171 | $2.3M | <0.01% | -0.2% |
| 39 | XTX Topco Ltd#39 · 172,269 sh | 172,269 | $2.2M | 0.03% | +17.3% |
| 40 | ALGERT GLOBAL#40 · 170,870 sh | 170,870 | $2.1M | 0.03% | +102.2% |
| 41 | Man Group plc#41 · 156,754 sh | 156,754 | $2.0M | <0.01% | +14.7% |
| 42 | ALLIANCEBERNSTEIN L.P.#42 · 211,450 sh | 211,450 | $2.0M | <0.01% | +2.9% |
| 43 | PRINCIPAL FINANCIAL GROUP#43 · 148,845 sh | 148,845 | $1.9M | <0.01% | +8.2% |
| 44 | Quantinno Capital Management#44 · 136,034 sh | 136,034 | $1.7M | <0.01% | +26.8% |
| 45 | Russell Investments Group, Ltd.#45 · 130,360 sh | 130,360 | $1.6M | <0.01% | +53.6% |
| 46 | STIFEL FINANCIAL#46 · 126,175 sh | 126,175 | $1.6M | <0.01% | New |
| 47 | VICTORY CAPITAL MANAGEMENT#47 · 101,365 sh | 101,365 | $1.3M | <0.01% | +16.2% |
| 48 | BALYASNY ASSET MANAGEMENT L.P.#48 · 101,046 sh | 101,046 | $1.3M | <0.01% | -7.1% |
| 49 | Qube Research & Technologies Ltd#49 · 92,453 sh | 92,453 | $1.2M | <0.01% | -77.7% |
| 50 | PDT Partners#50 · 84,022 sh | 84,022 | $1.1M | 0.06% | -6.7% |
| 51 | Bank of New York Mellon#51 · 81,504 sh | 81,504 | $1.0M | <0.01% | -6.3% |
| 52 | Walleye Capital#52 · 80,306 sh | 80,306 | $1.0M | <0.01% | New |
| 53 | FRANKLIN RESOURCES#53 · 74,587 sh | 74,587 | $937.6K | <0.01% | -78.3% |
| 54 | Amundi#54 · 70,311 sh | 70,311 | $883.8K | <0.01% | -10.0% |
| 55 | STATE OF WISCONSIN INVESTMENT BOARD#55 · 70,309 sh | 70,309 | $883.8K | <0.01% | -33.8% |
| 56 | WINMILL#56 · 65,102 sh | 65,102 | $818.3K | 0.18% | New |
| 57 | Swiss National Bank#57 · 60,800 sh | 60,800 | $764.3K | <0.01% | +3.6% |
| 58 | BLAIR WILLIAM#58 · 56,046 sh | 56,046 | $704.5K | <0.01% | +0.1% |
| 59 | GLOBEFLEX CAPITAL L P#59 · 55,850 sh | 55,850 | $702.0K | 0.09% | -30.4% |
| 60 | Allianz Asset Management GmbH#60 · 70,176 sh | 70,176 | $652.6K | <0.01% | 0.0% |
| 61 | Campbell & Investment Adviser#61 · 46,617 sh | 46,617 | $586.0K | 0.03% | +189.8% |
| 62 | RHUMBLINE ADVISERS#62 · 45,932 sh | 45,932 | $577.4K | <0.01% | -4.1% |
| 63 | Hillsdale Investment Management#63 · 45,900 sh | 45,900 | $577.0K | 0.01% | New |
| 64 | Allspring Global Investments#64 · 44,831 sh | 44,831 | $563.5K | <0.01% | -6.4% |
| 65 | SEI INVESTMENTS#65 · 44,637 sh | 44,637 | $561.1K | <0.01% | +24.9% |
| 66 | Mariner#66 · 41,127 sh | 41,127 | $517.0K | <0.01% | -29.7% |
| 67 | Caption Management#67 · 37,515 sh | 37,515 | $471.6K | <0.01% | -74.8% |
| 68 | PRICE T ROWE ASSOCIATES#68 · 37,076 sh | 37,076 | $467.0K | 0.00% | 0.0% |
| 69 | MILLENNIUM MANAGEMENT#69 · 37,065 sh | 37,065 | $465.9K | <0.01% | -21.2% |
| 70 | DEUTSCHE BANK AG\#70 · 34,254 sh | 34,254 | $430.6K | <0.01% | -2.4% |
| 71 | Lighthouse Investment Partners#71 · 34,001 sh | 34,001 | $427.4K | 0.01% | New |
| 72 | UBS Group AG#72 · 33,602 sh | 33,602 | $422.4K | <0.01% | -78.2% |
| 73 | BARCLAYS PLC#73 · 30,349 sh | 30,349 | $381.5K | <0.01% | -33.1% |
| 74 | WELLS FARGO & COMPANY#74 · 28,163 sh | 28,163 | $354.0K | <0.01% | +128.5% |
| 75 | Legal & General Group Plc#75 · 27,533 sh | 27,533 | $346.1K | <0.01% | 0.0% |
| 76 | Brevan Howard Capital Management#76 · 27,117 sh | 27,117 | $340.9K | <0.01% | New |
| 77 | Dynamic Technology Lab Private Ltd#77 · 26,868 sh | 26,868 | $338.0K | 0.08% | -38.4% |
| 78 | FMR#78 · 26,386 sh | 26,386 | $331.7K | 0.00% | -2.9% |
| 79 | Invesco Ltd.#79 · 26,039 sh | 26,039 | $327.3K | 0.00% | +10.2% |
| 80 | State of Alaska, Department of Revenue#80 · 25,862 sh | 25,862 | $324.0K | — | +1288.9% |
| 81 | TUDOR INVESTMENT ET AL#81 · 25,748 sh | 25,748 | $323.7K | <0.01% | New |
| 82 | ALLSTATE#82 · 25,287 sh | 25,287 | $317.9K | <0.01% | New |
| 83 | AXQ CAPITAL#83 · 25,117 sh | 25,117 | $315.7K | 0.03% | New |
| 84 | Abel Hall#84 · 24,473 sh | 24,473 | $307.6K | — | -3.7% |
| 85 | CITIGROUP#85 · 24,003 sh | 24,003 | $301.7K | <0.01% | +140.6% |
| 86 | Corient Private Wealth#86 · 23,451 sh | 23,451 | $294.8K | <0.01% | +50.7% |
| 87 | SUSQUEHANNA INTERNATIONAL GROUP, LLP#87 · 23,247 sh | 23,247 | $292.2K | 0.00% | -87.7% |
| 88 | Quantbot Technologies#88 · 21,568 sh | 21,568 | $271.1K | 0.01% | -25.9% |
| 89 | MetLife Investment Management#89 · 21,402 sh | 21,402 | $269.0K | <0.01% | 0.0% |
| 90 | JUPITER ASSET MANAGEMENT LTD#90 · 21,172 sh | 21,172 | $266.1K | <0.01% | 0.0% |
| 91 | Zurcher Kantonalbank (Zurich Cantonalbank)#91 · 18,642 sh | 18,642 | $234.3K | <0.01% | 0.0% |
| 92 | VANGUARD ASSET MANAGEMENT, Ltd#92 · 17,425 sh | 17,425 | $219.0K | <0.01% | 0.0% |
| 93 | Graham Capital Management, L.P.#93 · 17,179 sh | 17,179 | $215.9K | <0.01% | +18.1% |
| 94 | MERCER GLOBAL ADVISORS#94 · 16,595 sh | 16,595 | $208.6K | <0.01% | +2.7% |
| 95 | Creative Planning#95 · 16,220 sh | 16,220 | $203.9K | <0.01% | -18.7% |
| 96 | NOMURA#96 · 16,058 sh | 16,058 | $201.8K | <0.01% | New |
| 97 | WEALTH ENHANCEMENT ADVISORY SERVICES#97 · 14,811 sh | 14,811 | $198.0K | — | -29.2% |
| 98 | IEQ CAPITAL#98 · 15,367 sh | 15,367 | $193.2K | <0.01% | -53.3% |
| 99 | EP Wealth Advisors#99 · 15,273 sh | 15,273 | $192.0K | <0.01% | New |
| 100 | MIRAE ASSET GLOBAL ETFS Ltd.#100 · 14,208 sh | 14,208 | $178.6K | <0.01% | -11.9% |
Funds that sold out of MAX in Q2 2026 (27)
Held MAX at the end of Q1 2026 and filed a Q2 2026 13F without it. Not in the list above, because they no longer hold it. Largest prior position first.
Source: Form 13F-HR filings on SEC EDGAR, Q2 2026. Values are as reported by each manager at quarter end. “% of portfolio” is the position’s share of the manager’s total reported 13F value for the same quarter. “New” means the manager filed a 13F for Q1 2026 without this position; a dash means no comparison is available. Where a manager’s own filing is internally inconsistent its value is withheld and it is listed last. 13F data shows reported holdings, not recommendations.