MediaAlpha Ownership | Who Owns MediaAlpha?
MediaAlpha Ownership Summary
MediaAlpha is owned by 5.76% institutional investors, 39.65% insiders, and 54.59% retail investors. White mountains insurance group is the largest institutional shareholder, holding 31.54% 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 | 5.76% | 39.65% | 54.59% |
| Sector | Communication Services Stocks | 26.03% | 16.24% | 57.73% |
| Industry | Internet Content & Information Stocks | 24.23% | 16.10% | 59.68% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| White mountains insurance group | 17.86M | 31.54% | $231.24M |
| Blackrock funding, inc. /de | 3.55M | 6.27% | $45.99M |
| Vanguard group | 2.57M | 4.54% | $33.29M |
| Broad bay capital management, lp | 1.47M | 2.62% | $16.71M |
| Jpmorgan chase | 1.37M | 2.42% | $17.71M |
| Clearline capital lp | 1.29M | 2.30% | $14.69M |
| Renaissance | 1.05M | 1.85% | $13.54M |
| Morgan stanley | 960.15K | 1.70% | $12.43M |
| Triad investment management | 944.97K | 1.68% | $9.26M |
| Jacobs asset management | 819.03K | 1.46% | $9.32M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| White mountains insurance group | 17.86M | 88.28% | $231.24M |
| Jacobs asset management | 819.03K | 5.10% | $9.32M |
| Triad investment management | 944.97K | 3.41% | $9.26M |
| Broad bay capital management, lp | 1.47M | 2.07% | $16.71M |
| Speece thorson capital group | 499.01K | 1.06% | $4.64M |
| G2 investment partners management | 375.47K | 0.86% | $4.27M |
| Shay capital | 790.10K | 0.78% | $8.99M |
| Clearline capital lp | 1.29M | 0.67% | $14.69M |
| Corton capital | 16.76K | 0.47% | $190.73K |
| Olympiad research lp | 15.49K | 0.25% | $176.30K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Triad investment management | 944.97K | 3.41% | 669.54K |
| Victory capital management | 710.82K | 0.00% | 658.63K |
| Speece thorson capital group | 499.01K | 1.06% | 499.01K |
| Aqr capital management | 472.21K | 0.01% | 401.81K |
| Lazard asset management | 389.81K | 0.01% | 389.81K |
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 |
| Nuveen asset management | 587.63K | 0.00% | -551.64K |
| Goldman sachs group | 729.37K | 0.00% | -550.59K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Speece thorson capital group | 499.01K | 1.06% | 499.01K | $4.64M |
| G2 investment partners management | 375.47K | 0.86% | 375.47K | $4.27M |
| Norges bank | 281.90K | 0.00% | 281.90K | $3.18M |
| Vanguard fiduciary trust | 227.11K | 0.00% | 227.11K | $2.11M |
| Hrt financial lp | 109.02K | 0.00% | 109.02K | $1.41M |
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 % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Dec 31, 2024 | 165 | 5.10% | 47,951,154 | -1.84% | 87 | 1.10% | 101 | 6.32% | 45 | 15.38% |
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 | 1.78% | - |
| 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 |
|---|---|---|---|---|
| May 06, 2026 | Yi Steven | See Remarks | Sell | $36.54K |
| May 04, 2026 | Yi Steven | See Remarks | Sell | $36.20K |
| May 05, 2026 | Yi Steven | See Remarks | Sell | $35.72K |
| Apr 28, 2026 | Yi Steven | See Remarks | Sell | $65.65K |
| Apr 27, 2026 | Yi Steven | See Remarks | Sell | $336.24K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | 28 |
| 2026 Q1 | - | 90 |
| 2025 Q4 | - | 70 |
| 2025 Q3 | 1 | 4 |
| 2025 Q2 | - | - |
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