MERCURY GENERAL CORP (MCY) Stock Institutional Trading Activity


MERCURY GENERAL CORP (MCY) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Semper Augustus Investments Group, and Fairholme Capital Management. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2017Renaissance Technologies LLCBuy301,131687,831$36,758
Q3 2017Renaissance Technologies LLCBuy89,700386,700$21,922
Q2 2017Semper Augustus Investments GroupBuy164,792$3,499
Q2 2017Renaissance Technologies LLCBuy33,600297,000$16,038
Q1 2017Semper Augustus Investments GroupSell-50464,791$3,952
Q1 2017Renaissance Technologies LLCSell-45,600263,400$16,065
Q4 2016Semper Augustus Investments GroupSell-104,49365,295$3,931
Q4 2016Renaissance Technologies LLCBuy4,500309,000$18,605
Q3 2016Semper Augustus Investments GroupSell-370169,788$9,313
Q3 2016Renaissance Technologies LLCBuy66,600304,500$16,702
Q2 2016Semper Augustus Investments GroupBuy1170,158$9,046
Q2 2016Renaissance Technologies LLCBuy7,200237,900$12,647
Q1 2016Semper Augustus Investments GroupSell-26,690170,157$9,444
Q1 2016Renaissance Technologies LLCBuy139,051230,700$12,804
Q4 2015Renaissance Technologies LLCBuy67,44991,649$4,268
Q3 2015Renaissance Technologies LLCSell-28,30024,200$1,222
Q3 2015Semper Augustus Investments GroupSell-1,303196,847$9,943
Q2 2015Semper Augustus Investments GroupSell-293198,150$11,027
Q4 2014Renaissance Technologies LLCBuy8,40052,500$2,975
Q4 2014Semper Augustus Investments GroupSell-62,168198,443$11,246
Q3 2014Renaissance Technologies LLCBuy9,70144,100$2,153
Q3 2014Semper Augustus Investments GroupSell-151260,611$12,720
Q2 2014Fairholme Capital ManagementBuy53,60053,600$2,521
Q2 2014Semper Augustus Investments GroupSell-598260,762$12,266
Q1 2014Renaissance Technologies LLCSell-40,95234,399$1,551
Q4 2013Renaissance Technologies LLCSell-75,74975,351$3,746
Q4 2013Semper Augustus Investments GroupSell-48,775261,360$12,992
Q3 2013Renaissance Technologies LLCSell-135,900151,100$7,300
Q3 2013Semper Augustus Investments GroupSell-72,745310,135$14,983
Q2 2013Renaissance Technologies LLCBuy287,000287,000$12,617

Frequently asked questions about MCY activity

  • Which institutional owners are buying MCY?

    Institutional owners buying MCY include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in MCY activity?

    "Buy" means an investor increased their reported position in MCY compared to the prior reporting period. This reflects growing exposure to MERCURY GENERAL CORP (MCY) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MCY increasing?

    Institutional interest in MCY can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.