MAX
MediaAlpha Inc.
10.50$
-0.8%
vs. previous close
Closing price · As of: Sep 18, 2026
Ownership
Ownership Structure
Who owns MediaAlpha Inc. (MAX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 47.0% of the shares are freely tradable; institutional investors hold 58.1%.
Institutional ownership
?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
58.1%
Insiders
?Share of the stock held by the executives, founders and major shareholders of the company itself.
43.5%
Float
?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
47.0%
Short % of float
?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
10.5%
Shares Outstanding
?Total number of shares issued. Price times share count gives market cap.
53Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| White Mountains Insurance Group Ltd. | 33.71 | 17,856,614 | +0.0 | 06/30/2026 |
| BlackRock Inc | 6.56 | 3,476,687 | -2.1 | 03/31/2026 |
| Clearline Capital LP | 4.89 | 2,590,670 | +99.1 | 03/31/2026 |
| JPMorgan Chase & Co | 3.30 | 1,745,679 | +27.6 | 03/31/2026 |
| Vanguard Capital Management, LLC | 2.62 | 1,385,729 | +0.0 | 03/31/2026 |
| J. Goldman & Co LP | 2.23 | 1,182,673 | +50.4 | 03/31/2026 |
| Geode Capital Management, LLC | 2.02 | 1,070,084 | +37.7 | 03/31/2026 |
| Arrowstreet Capital Limited Partnership | 2.00 | 1,061,981 | +24.1 | 03/31/2026 |
| Jacobs Asset Management, LLC | 1.74 | 919,761 | -0.5 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| JPM US Small Cap Value-Composite | 2.65 | 1,402,901 | +6.4 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Yi Steven | See Remarks | 2,339,740 | 24,567,270 $ | Sep 1, 2026 | direct |
| Nonko Eugene | Director | 1,670,839 | 17,543,810 $ | Sep 16, 2026 | both |
| Thompson Patrick Ryan | See Remarks | 1,080,127 | 11,341,334 $ | Aug 15, 2026 | direct |
| Coyne Jeffrey B | GENERAL COUNSEL AND SECRETARY | 577,582 | 6,064,611 $ | Aug 15, 2026 | direct |
| Yeh Kuanling Amy | Chief Technology Officer | 549,091 | 5,765,456 $ | Sep 4, 2026 | direct |
| Cramer Keith | Chief Revenue Officer | 251,303 | 2,638,682 $ | Sep 15, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 16, 2026 | Nonko Eugene | Director | Sell | 7,273 | 11.24 | 81,733 |
| Sep 16, 2026 | Nonko Eugene | Director | Sell | 1,940 | 11.25 | 21,827 |
| Sep 15, 2026 | Cramer Keith | Chief Revenue Officer | Sell | 13,000 | 11.49 | 149,422 |
| Sep 15, 2026 | Nonko Eugene | Director | Sell | 7,273 | 11.49 | 83,538 |
| Sep 15, 2026 | Nonko Eugene | Director | Sell | 1,940 | 11.48 | 22,272 |
| Sep 14, 2026 | Nonko Eugene | Director | Sell | 7,778 | 11.96 | 93,005 |
| Sep 14, 2026 | Nonko Eugene | Director | Sell | 2,667 | 12.03 | 32,095 |
| Sep 10, 2026 | Nonko Eugene | Director | Sell | 7,273 | 11.62 | 84,506 |
| Sep 10, 2026 | Nonko Eugene | Director | Sell | 1,940 | 11.52 | 22,345 |
| Sep 9, 2026 | Nonko Eugene | Director | Sell | 7,273 | 11.41 | 82,954 |
| Sep 9, 2026 | Nonko Eugene | Director | Sell | 1,940 | 11.65 | 22,602 |
| Sep 8, 2026 | Nonko Eugene | Director | Sell | 7,273 | 11.70 | 85,106 |
| Sep 8, 2026 | Nonko Eugene | Director | Sell | 1,940 | 11.70 | 22,697 |
| Sep 4, 2026 | Yeh Kuanling Amy | Chief Technology Officer | Sell | 3,000 | 12.00 | 36,000 |
| Sep 2, 2026 | Nonko Eugene | Director | Sell | 7,778 | 12.25 | 95,242 |
| Sep 2, 2026 | Nonko Eugene | Director | Sell | 2,667 | 12.22 | 32,581 |
| Sep 1, 2026 | Yi Steven | See Remarks | Sell | 48,000 | 12.38 | 594,365 |
| Sep 1, 2026 | Nonko Eugene | Director | Sell | 7,778 | 12.39 | 96,394 |
| Sep 1, 2026 | Nonko Eugene | Director | Sell | 2,667 | 12.45 | 33,216 |
| Aug 31, 2026 | Nonko Eugene | Director | Sell | 7,778 | 12.61 | 98,061 |
| Aug 31, 2026 | Nonko Eugene | Director | Sell | 2,667 | 12.59 | 33,566 |
| Aug 26, 2026 | Nonko Eugene | Director | Sell | 7,778 | 12.55 | 97,641 |
| Aug 26, 2026 | Nonko Eugene | Director | Sell | 2,667 | 12.56 | 33,487 |
| Aug 25, 2026 | Nonko Eugene | Director | Sell | 8,205 | 12.87 | 105,574 |
| Aug 25, 2026 | Nonko Eugene | Director | Sell | 3,282 | 12.89 | 42,316 |
| Aug 24, 2026 | Nonko Eugene | Director | Sell | 8,205 | 12.99 | 106,564 |
| Aug 24, 2026 | Nonko Eugene | Director | Sell | 3,282 | 12.99 | 42,645 |
| Aug 19, 2026 | Nonko Eugene | Director | Sell | 8,205 | 13.23 | 108,523 |
| Aug 19, 2026 | Nonko Eugene | Director | Sell | 3,282 | 13.20 | 43,321 |
| Aug 18, 2026 | Nonko Eugene | Director | Sell | 8,205 | 12.88 | 105,704 |
| Aug 18, 2026 | Nonko Eugene | Director | Sell | 3,282 | 12.90 | 42,345 |
| Aug 17, 2026 | Nonko Eugene | Director | Sell | 8,205 | 12.78 | 104,858 |
| Aug 17, 2026 | Nonko Eugene | Director | Sell | 3,282 | 12.82 | 42,077 |
| Aug 17, 2026 | Cramer Keith | Chief Revenue Officer | Sell | 13,000 | 12.76 | 165,924 |
| Aug 15, 2026 | Coyne Jeffrey B | GENERAL COUNSEL AND SECRETARY | Other | 4,229 | 13.17 | 55,696 |
| Aug 15, 2026 | Coyne Jeffrey B | GENERAL COUNSEL AND SECRETARY | Other | 5,224 | 13.17 | 68,800 |
| Aug 15, 2026 | Coyne Jeffrey B | GENERAL COUNSEL AND SECRETARY | Other | 2,542 | 13.17 | 33,478 |
| Aug 15, 2026 | Coyne Jeffrey B | GENERAL COUNSEL AND SECRETARY | Other | 2,187 | 13.17 | 28,803 |
| Aug 15, 2026 | Thompson Patrick Ryan | See Remarks | Other | 6,252 | 13.17 | 82,339 |
| Aug 15, 2026 | Thompson Patrick Ryan | See Remarks | Other | 8,333 | 13.17 | 109,746 |
| Aug 15, 2026 | Thompson Patrick Ryan | See Remarks | Other | 4,366 | 13.17 | 57,500 |
| Aug 15, 2026 | Thompson Patrick Ryan | See Remarks | Other | 5,258 | 13.17 | 69,248 |
| Aug 15, 2026 | Cramer Keith | Chief Revenue Officer | Other | 4,472 | 0.00 | – |
| Aug 15, 2026 | Cramer Keith | Chief Revenue Officer | Other | 5,303 | 0.00 | – |
| Aug 15, 2026 | Yeh Kuanling Amy | Chief Technology Officer | Other | 4,803 | 0.00 | – |
| Aug 15, 2026 | Yeh Kuanling Amy | Chief Technology Officer | Other | 5,303 | 0.00 | – |
| Aug 14, 2026 | Yeh Kuanling Amy | Chief Technology Officer | Sell | 12,000 | 13.55 | 162,617 |
| Aug 12, 2026 | Nonko Eugene | Director | Sell | 8,205 | 12.78 | 104,866 |
| Aug 12, 2026 | Nonko Eugene | Director | Sell | 3,282 | 12.89 | 42,289 |
| Aug 11, 2026 | Nonko Eugene | Director | Sell | 8,205 | 13.24 | 108,610 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.