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MCY · Mercury General Corp · Holdings

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Market Cap
$5.79B
Shares
55.39M

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: 352
Total Value: $2,825,921,907
Total Shares: 26,504,616
Showing 1–100 of 356 holdings by value · page 1 of 4

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 352 13F filers · Δ vs Mar 31, 2026
Top Holder
17.0%
Sep 2023 → Jun 2026 · range 16.1% – 24.1%
+0.7 pts
Top 5
42.3%
Sep 2023 → Jun 2026 · range 42.3% – 57.7%
−1.2 pts
Top 10
60.0%
Sep 2023 → Jun 2026 · range 60.0% – 72.2%
−0.3 pts
HHI
549
Sep 2023 → Jun 2026 · range 547 – 977
Broadly held+2

Quarterly Activity

vs Mar 31, 2026
New
73
Increased
149
Decreased
79
Sold Out
32
Unchanged
51
Holder count: +41
Institutional value: +20.7%
Shares held: -0.3%

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 356
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 64996 CUSIP 589400100 13F (30d) 210 filings 209 filers Visit website Investor relations