MediaAlpha Ownership | Who Owns MediaAlpha?
MediaAlpha Ownership Summary
MediaAlpha is owned by 9.40% institutional investors, 40.45% insiders, and 50.15% retail investors. 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 | 9.40% | 40.45% | 50.15% |
| Sector | Communication Services Stocks | 31.39% | 16.65% | 51.96% |
| Industry | Internet Content & Information Stocks | 29.82% | 17.44% | 52.74% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| White mountains insurance group | 17.86M | 31.81% | $203.21M |
| Blackrock funding, inc. /de | 3.57M | 6.36% | $40.66M |
| Vanguard group | 2.60M | 4.63% | $29.60M |
| Broad bay capital management, lp | 1.47M | 2.62% | $16.71M |
| Clearline capital lp | 1.29M | 2.30% | $14.69M |
| Goldman sachs group | 1.28M | 2.28% | $14.57M |
| Jpmorgan chase | 1.06M | 1.89% | $12.05M |
| Renaissance | 945.10K | 1.68% | $10.76M |
| Morgan stanley | 872.03K | 1.55% | $9.92M |
| 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 | 100.00% | $203.21M |
| Jacobs asset management | 819.03K | 5.10% | $9.32M |
| Broad bay capital management, lp | 1.47M | 2.07% | $16.71M |
| 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 |
| Semanteon capital management, lp | 44.58K | 0.64% | $507.36K |
| Corton capital | 16.76K | 0.47% | $190.73K |
| Olympiad research lp | 15.49K | 0.25% | $176.30K |
| Alpha dna investment management | 41.54K | 0.18% | $469.02K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Victory capital management | 710.82K | 0.00% | 658.63K |
| Jpmorgan chase | 1.06M | 0.00% | 516.20K |
| Aqr capital management | 472.21K | 0.01% | 401.81K |
| Lazard asset management | 389.81K | 0.01% | 389.81K |
| G2 investment partners management | 375.47K | 0.86% | 375.47K |
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 |
| Goldman sachs group | 1.28M | 0.00% | -727.23K |
| Nuveen asset management | 587.63K | 0.00% | -551.64K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| G2 investment partners management | 375.47K | 0.86% | 375.47K | $4.27M |
| Norges bank | 281.90K | 0.00% | 281.90K | $3.18M |
| Boothbay fund management | 70.67K | 0.01% | 70.67K | $804.18K |
| Prelude capital management | 26.89K | 0.02% | 26.89K | $306.03K |
| Principal financial group | 24.72K | 0.00% | 24.72K | $281.27K |
Sold Out
| Holder | Change |
|---|---|
| National bank of canada /fi/ | -1.00 |
| Capital performance advisors llp | -6.00 |
| Aquatic capital management | -9.00 |
| Smartleaf asset management | -44.00 |
| Lindbrook capital | -46.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Sep 30, 2024 | 156 | 1.96% | 48,847,573 | -2.61% | 88 | 0.83% | 95 | -14.41% | 39 | 34.48% |
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 | 814.49K | 1.47% | - |
| Empower Small Cap Growth/TimesSquare SP | 580.00K | 1.04% | 183.96K |
| Small Cap Growth / TimesSquare Fund SP | 580.00K | 1.04% | 183.96K |
| Janus Henderson Small/Md Cp Gr Alpha ETF | 518.38K | 0.93% | 1.66K |
| Invesco Dorsey Wright Technology MomtETF | 483.90K | 0.88% | - |
| BlackRock Advantage Small Cap Core Instl | 420.51K | 0.75% | - |
| Vanguard Institutional Extnd Mkt Idx Tr | 351.05K | 0.62% | -167.17K |
| Fidelity Small Cap Index | 333.62K | 0.60% | 24.68K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Dec 10, 2025 | Yi Steven | See Remarks | Sell | $108.00K |
| Dec 09, 2025 | Yi Steven | See Remarks | Sell | $106.25K |
| Dec 08, 2025 | Yi Steven | See Remarks | Sell | $104.59K |
| Dec 08, 2025 | Nonko Eugene | - | Sell | $87.69K |
| Dec 09, 2025 | Nonko Eugene | - | Sell | $89.27K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | - | 39 |
| 2025 Q3 | 1 | 4 |
| 2025 Q2 | - | - |
| 2025 Q1 | - | - |
| 2024 Q4 | - | 2 |
MAX Ownership FAQ
Try Tickergate Pro Free
Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)
Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis
Discover trending investment themes
Find your next best investment
Research stocks using tools