MediaAlpha Ownership | Who Owns MediaAlpha?
MediaAlpha Ownership Summary
MediaAlpha is owned by 85.93% institutional investors, 40.78% insiders. White mountains insurance group is the largest institutional shareholder, holding 31.81% of MAX shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 1.71% of its assets in MediaAlpha shares.
MAX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | MediaAlpha | 85.93% | 40.78% | -26.71% |
| Sector | Communication Services Stocks | 46.53% | 15.90% | 37.58% |
| Industry | Internet Content & Information Stocks | 51.39% | 16.47% | 32.13% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| White mountains insurance group | 17.86M | 31.81% | $195.53M |
| Blackrock funding, inc. /de | 4.00M | 7.13% | $43.84M |
| Vanguard group | 3.62M | 6.60% | $40.91M |
| Broad bay capital management, lp | 2.50M | 4.45% | $27.36M |
| Clearline capital lp | 1.43M | 2.54% | $15.61M |
| Goldman sachs group | 804.93K | 1.47% | $9.09M |
| Millennium management | 781.35K | 1.42% | $8.82M |
| Jacobs asset management | 798.67K | 1.42% | $8.75M |
| Geode capital management | 698.70K | 1.27% | $7.89M |
| Shay capital | 670.00K | 1.19% | $7.34M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| White mountains insurance group | 17.86M | 100.00% | $195.53M |
| Jacobs asset management | 798.67K | 4.98% | $8.75M |
| Broad bay capital management, lp | 2.50M | 3.22% | $27.36M |
| Shay capital | 670.00K | 0.84% | $7.34M |
| Clearline capital lp | 1.43M | 0.58% | $15.61M |
| Jackson creek investment advisors | 164.06K | 0.48% | $1.80M |
| Corton capital | 18.86K | 0.24% | $206.57K |
| Alpha dna investment management | 41.54K | 0.18% | $469.02K |
| Stoneridge investment partners | 21.36K | 0.18% | $234.00K |
| Semanteon capital management, lp | 10.03K | 0.17% | $109.77K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Aqr capital management | 472.21K | 0.01% | 401.81K |
| Ubs group | 416.13K | 0.00% | 397.02K |
| Jacobs asset management | 798.67K | 4.98% | 390.25K |
| Lazard asset management | 389.81K | 0.01% | 389.81K |
| Millennium management | 781.35K | 0.00% | 372.31K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Timessquare capital management | - | - | -1.37M |
| Clearline capital lp | 1.43M | 0.58% | -1.23M |
| Driehaus capital management | - | - | -960.76K |
| Nuveen asset management | 587.63K | 0.00% | -551.64K |
| Invesco | - | - | -551.49K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 281.90K | 0.00% | 281.90K | $3.18M |
| Allianz asset management gmbh | 166.44K | 0.00% | 166.44K | $1.88M |
| Divisadero street capital management, lp | 86.91K | 0.06% | 86.91K | $951.63K |
| Amundi | 57.54K | 0.00% | 57.54K | $598.38K |
| Blair william & co/il | 53.07K | 0.00% | 53.07K | $599.12K |
Sold Out
| Holder | Change |
|---|---|
| National bank of canada /fi/ | -1.00 |
| Capital performance advisors llp | -6.00 |
| Aquatic capital management | -9.00 |
| Nisa investment advisors | -15.00 |
| Smartleaf asset management | -44.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 151 | 0.67% | 48,242,659 | 64.41% | 85 | 3.09% | 95 | 25.00% | 45 | -6.25% |
| Mar 31, 2025 | 151 | -9.04% | 47,203,854 | -1.61% | 84 | 1.11% | 73 | -29.13% | 51 | 15.91% |
| Dec 31, 2024 | 165 | 5.10% | 47,951,154 | -1.84% | 87 | 1.10% | 101 | 6.32% | 45 | 15.38% |
| Sep 30, 2024 | 156 | 1.96% | 48,847,573 | -2.61% | 88 | 0.83% | 95 | -14.41% | 39 | 34.48% |
| Jun 30, 2024 | 153 | 22.40% | 50,158,106 | 12.78% | 103 | 1.15% | 111 | 42.31% | 29 | -9.38% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard US Total Market Shares ETF | 947.01K | 1.71% | - |
| Vanguard Total Stock Mkt Idx Inv | 947.91K | 1.68% | -91.65K |
| iShares Russell 2000 ETF | 797.07K | 1.41% | -15.12K |
| Empower Small Cap Growth/TimesSquare SP | 580.00K | 1.04% | 183.96K |
| Small Cap Growth / TimesSquare Fund SP | 580.00K | 1.04% | 183.96K |
| Invesco Dorsey Wright Technology MomtETF | 483.90K | 0.88% | - |
| Janus Henderson Small/Md Cp Gr Alpha ETF | 473.54K | 0.85% | - |
| BlackRock Advantage Small Cap Core Instl | 420.51K | 0.75% | - |
| Vanguard Institutional Extnd Mkt Idx Tr | 351.05K | 0.62% | -167.17K |
| Vanguard Small Cap Index | 339.08K | 0.60% | -2.22K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 15, 2025 | Yeh Kuanling Amy | Chief Technology Officer | Sell | $61.17K |
| Aug 12, 2025 | VRABECK KATHY P | - | Buy | $297.58K |
| Aug 11, 2025 | Cramer Keith | Chief Revenue Officer | Sell | $47.66K |
| Aug 12, 2025 | Cramer Keith | Chief Revenue Officer | Sell | $194.60K |
| Aug 08, 2025 | Cramer Keith | Chief Revenue Officer | Sell | $55.58K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q3 | 1 | 3 |
| 2025 Q2 | - | - |
| 2025 Q1 | - | - |
| 2024 Q4 | - | 2 |
| 2024 Q3 | - | - |
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