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MAX · MediaAlpha, Inc.

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$12.99 -0.18 (-1.37%)
Market Cap
$826.45M
Shares
61.26M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 154
Total Value: $615,865,780
Total Shares: 48,994,900

Institutional Ownership Trend

23 quarters

Holder Concentration

Across 154 13F filers · Δ vs Mar 31, 2026
Top Holder
36.4%
Sep 2023 → Jun 2026 · range 35.4% – 55.3%
+0.3 pts
Top 5
55.4%
Sep 2023 → Jun 2026 · range 55.4% – 82.9%
−0.4 pts
Top 10
65.4%
Sep 2023 → Jun 2026 · range 64.9% – 89.3%
−1.0 pts
HHI
1,481
Sep 2023 → Jun 2026 · range 1,461 – 3,325
Broadly held+20

Quarterly Activity

vs Mar 31, 2026
New
23
Increased
47
Decreased
65
Sold Out
31
Unchanged
19
Holder count: -8
Institutional value: +34.0%
Shares held: -0.9%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 158
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1818383 CUSIP 58450V104 13F (30d) 145 filings 144 filers Visit website Investor relations