RLI CORP (RLI) Stock Institutional Trading Activity


RLI CORP (RLI) 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 Ariel Appreciation Fund and Renaissance Technologies LLC. 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 2025Ariel Appreciation FundBuy373,173373,173$23,875,609
Q3 2025Renaissance Technologies LLCBuy93,383219,900$14,341,878
Q2 2025Renaissance Technologies LLCBuy45,917126,517$9,137,058
Q1 2025Renaissance Technologies LLCBuy74,60080,600$6,474,598
Q4 2024Renaissance Technologies LLCSell-38,7006,000$988,980
Q3 2024Renaissance Technologies LLCBuy23,00044,700$6,927,606
Q2 2024Renaissance Technologies LLCSell-12,60021,700$3,052,973
Q4 2023Renaissance Technologies LLCSell-6,60034,300$4,566
Q3 2023Renaissance Technologies LLCSell-25,40040,900$5,558
Q2 2023Renaissance Technologies LLCBuy47,60066,300$9,048
Q1 2023Renaissance Technologies LLCBuy60018,700$2,485
Q4 2022Renaissance Technologies LLCBuy15,80018,100$2,376
Q3 2022Renaissance Technologies LLCSell-65,0002,300$235
Q2 2022Renaissance Technologies LLCBuy5,70067,300$7,847
Q1 2022Renaissance Technologies LLCBuy48,50061,600$6,815
Q3 2021Renaissance Technologies LLCBuy4,96413,100$1,314
Q2 2021Renaissance Technologies LLCSell-41,4648,136$851
Q3 2020Renaissance Technologies LLCSell-61,00049,600$4,153
Q2 2020Renaissance Technologies LLCBuy2,100110,600$9,080
Q1 2020Renaissance Technologies LLCBuy77,700108,500$9,540
Q1 2019Renaissance Technologies LLCSell-82,00030,800$2,210
Q4 2018Renaissance Technologies LLCBuy41,500112,800$7,782
Q1 2018Renaissance Technologies LLCBuy21,20071,300$4,520
Q4 2017Renaissance Technologies LLCSell-12,80050,100$3,039
Q3 2017Renaissance Technologies LLCSell-12,80062,900$3,608
Q2 2017Renaissance Technologies LLCBuy55,10475,700$4,135
Q1 2017Renaissance Technologies LLCBuy15,49620,596$1,236
Q3 2016Renaissance Technologies LLCSell-13,1005,100$349
Q3 2015Renaissance Technologies LLCBuy5,20018,200$974
Q3 2014Renaissance Technologies LLCBuy13,00013,000$563

Frequently asked questions about RLI activity

  • Which institutional owners are buying RLI?

    Institutional owners buying RLI 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 RLI activity?

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

  • Is institutional interest in RLI increasing?

    Institutional interest in RLI 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.