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.

Explore more:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2021Semper Augustus Investments GroupSell-8,874134,516$7,489
Q3 2021Renaissance Technologies LLCSell-27,2001,483,100$82,564
Q2 2021Semper Augustus Investments GroupSell-154,306143,390$9,313
Q2 2021Renaissance Technologies LLCSell-184,9051,510,300$98,094
Q1 2021Semper Augustus Investments GroupSell-2,218297,696$18,103
Q1 2021Renaissance Technologies LLCSell-303,1951,695,205$103,085
Q4 2020Semper Augustus Investments GroupBuy83,687299,914$15,659
Q4 2020Renaissance Technologies LLCSell-180,9001,998,400$104,336
Q3 2020Semper Augustus Investments GroupBuy6,324216,227$8,945
Q3 2020Renaissance Technologies LLCSell-160,8002,179,300$90,158
Q2 2020Semper Augustus Investments GroupBuy19,256209,903$8,554
Q2 2020Renaissance Technologies LLCSell-29,8002,340,100$95,359
Q1 2020Semper Augustus Investments GroupBuy82,942190,647$7,763
Q1 2020Renaissance Technologies LLCBuy222,7402,369,900$96,502
Q4 2019Semper Augustus Investments GroupBuy1107,705$5,248
Q4 2019Renaissance Technologies LLCBuy112,1602,147,160$104,631
Q3 2019Semper Augustus Investments GroupSell-339107,704$6,019
Q3 2019Renaissance Technologies LLCBuy315,2002,035,000$113,716
Q2 2019Semper Augustus Investments GroupSell-44,992108,043$6,753
Q2 2019Renaissance Technologies LLCBuy202,5001,719,800$107,488
Q1 2019Semper Augustus Investments GroupBuy2,063153,035$7,662
Q1 2019Renaissance Technologies LLCBuy163,4001,517,300$75,971
Q4 2018Semper Augustus Investments GroupSell-3,418150,972$7,807
Q4 2018Renaissance Technologies LLCBuy235,5541,353,900$70,010
Q3 2018Semper Augustus Investments GroupSell-1154,390$7,744
Q3 2018Renaissance Technologies LLCBuy176,7461,118,346$56,096
Q2 2018Semper Augustus Investments GroupSell-1,757154,391$7,034
Q1 2018Semper Augustus Investments GroupBuy91,387156,148$7,163
Q1 2018Renaissance Technologies LLCBuy253,769941,600$43,191
Q4 2017Semper Augustus Investments GroupSell-3164,761$3,461

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.