MediaAlpha Ownership | Who Owns MediaAlpha?
MediaAlpha Ownership Summary
MediaAlpha is owned by 10.33% institutional investors, 43.63% insiders, and 46.04% retail investors. White mountains insurance group is the largest institutional shareholder, holding 31.75% of MAX shares. JPMorgan Small Cap Blend A is the top mutual fund, with 2.44% of its assets in MediaAlpha shares.
MAX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | MediaAlpha | 10.33% | 43.63% | 46.04% |
| Sector | Communication Services Stocks | 28.85% | 18.19% | 52.95% |
| Industry | Internet Content & Information Stocks | 29.27% | 17.81% | 52.91% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| White mountains insurance group | 17.86M | 31.75% | $166.07M |
| Blackrock funding, inc. /de | 3.48M | 6.18% | $32.33M |
| Clearline capital lp | 2.59M | 4.61% | $24.09M |
| Vanguard group | 2.57M | 4.54% | $33.29M |
| Jpmorgan chase | 1.75M | 3.10% | $16.48M |
| Broad bay capital management, lp | 1.47M | 2.62% | $16.71M |
| J. goldman & co lp | 1.18M | 2.10% | $11.00M |
| Geode capital management | 1.07M | 1.90% | $9.95M |
| Arrowstreet capital, limited partnership | 1.06M | 1.89% | $9.88M |
| Triad investment management | 944.97K | 1.68% | $9.26M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| White mountains insurance group | 17.86M | 52.99% | $166.07M |
| Jacobs asset management | 924.44K | 5.15% | $8.60M |
| Triad investment management | 944.97K | 3.41% | $9.26M |
| Broad bay capital management, lp | 1.47M | 2.07% | $16.71M |
| Philadelphia financial management of san francisco | 480.00K | 1.29% | $4.46M |
| Clearline capital lp | 2.59M | 1.25% | $24.09M |
| Speece thorson capital group | 499.01K | 1.06% | $4.64M |
| Shay capital | 775.00K | 0.60% | $7.21M |
| Corton capital | 16.76K | 0.47% | $190.73K |
| J. goldman & co lp | 1.18M | 0.32% | $11.00M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Clearline capital lp | 2.59M | 1.25% | 1.29M |
| Triad investment management | 944.97K | 3.41% | 669.54K |
| Speece thorson capital group | 499.01K | 1.06% | 499.01K |
| Philadelphia financial management of san francisco | 480.00K | 1.29% | 480.00K |
| J. goldman & co lp | 1.18M | 0.32% | 396.30K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Timessquare capital management | - | - | -1.37M |
| Broad bay capital management, lp | 1.47M | 2.07% | -1.03M |
| Driehaus capital management | - | - | -960.76K |
| Divisadero street capital management, lp | 86.91K | 0.03% | -762.10K |
| Millennium management | 47.04K | 0.00% | -704.70K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Speece thorson capital group | 499.01K | 1.06% | 499.01K | $4.64M |
| Philadelphia financial management of san francisco | 480.00K | 1.29% | 480.00K | $4.46M |
| Norges bank | 281.90K | 0.00% | 281.90K | $3.18M |
| Vanguard fiduciary trust | 227.11K | 0.00% | 227.11K | $2.11M |
| Caption management | 149.05K | 0.01% | 149.05K | $1.39M |
Sold Out
| Holder | Change |
|---|---|
| National bank of canada /fi/ | -1.00 |
| American capital advisory | -4.00 |
| Capital performance advisors llp | -6.00 |
| Aquatic capital management | -9.00 |
| Clearstead advisors | -15.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 58 | -66.47% | 5,812,210 | -87.83% | 10 | 0.15% | 34 | -68.81% | 15 | -69.39% |
| Dec 31, 2025 | 33 | -79.63% | 3,261,197 | -93.19% | 5 | 0.08% | 23 | -75.00% | 6 | -87.50% |
| Sep 30, 2025 | 46 | -69.74% | 5,277,999 | -89.06% | 9 | 0.13% | 24 | -75.26% | 14 | -68.18% |
| 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% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| JPMorgan Small Cap Blend A | 1.32M | 2.44% | 59.02K |
| JPM US Small Cap Value-Composite | 1.32M | 2.39% | 550.26K |
| Vanguard Total Stock Mkt Idx Inv | 981.80K | 1.82% | - |
| Vanguard US Total Market Shares ETF | 947.01K | 1.71% | - |
| iShares Russell 2000 ETF | 798.81K | 1.48% | 6.72K |
| 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% | - |
| RS Small Cap Value Comp | 482.37K | 0.86% | - |
| Victory RS Partners A | 482.37K | 0.86% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jun 05, 2026 | Yeh Kuanling Amy | Chief Technology Officer | Sell | $26.67K |
| May 15, 2026 | Cramer Keith | Chief Revenue Officer | Sell | $104.69K |
| May 15, 2026 | Yeh Kuanling Amy | Chief Technology Officer | Sell | $96.64K |
| May 15, 2026 | COYNE JEFFREY B | GENERAL COUNSEL AND SECRETARY | Sell | $40.48K |
| May 04, 2026 | Yi Steven | See Remarks | Sell | $36.20K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | 32 |
| 2026 Q1 | - | 90 |
| 2025 Q4 | - | 70 |
| 2025 Q3 | 1 | 4 |
| 2025 Q2 | - | - |
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