GERON CORP (GERN) Stock Institutional Trading Activity


GERON CORP (GERN) 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 and First Eagle U.S. Value. 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 2025Renaissance Technologies LLCSell-1,627,114737,166$973,059
Q3 2025Renaissance Technologies LLCSell-2,634,8202,364,280$3,239,064
Q2 2025Renaissance Technologies LLCSell-602,0004,999,100$7,048,731
Q1 2025Renaissance Technologies LLCBuy4,148,4005,601,100$8,905,749
Q4 2024Renaissance Technologies LLCBuy670,9771,452,700$5,142,558
Q2 2024Renaissance Technologies LLCBuy523,923781,723$3,314,506
Q4 2022Renaissance Technologies LLCBuy24,100257,800$624
Q3 2022Renaissance Technologies LLCBuy22,500233,700$547
Q2 2022Renaissance Technologies LLCSell-431,100211,200$327
Q1 2022Renaissance Technologies LLCBuy395,600642,300$874
Q4 2021Renaissance Technologies LLCSell-735,800246,700$301
Q4 2020Renaissance Technologies LLCBuy961,624982,500$1,562
Q3 2020Renaissance Technologies LLCSell-7,30020,876$36
Q2 2020Renaissance Technologies LLCSell-29,14428,176$61
Q4 2019Renaissance Technologies LLCSell-814,79557,320$78
Q4 2017Renaissance Technologies LLCBuy222,235872,115$1,570
Q3 2017Renaissance Technologies LLCBuy126,500649,880$1,417
Q2 2017Renaissance Technologies LLCBuy162,233523,380$1,450
Q1 2017Renaissance Technologies LLCSell-154,233361,147$820
Q3 2016First Eagle U.S. ValueSell-15,000144,700$327
Q3 2016Renaissance Technologies LLCBuy53,800515,380$1,165
Q2 2016Renaissance Technologies LLCBuy8,100461,580$1,237
Q1 2016Renaissance Technologies LLCSell-1,052,400453,480$1,324
Q4 2015First Eagle U.S. ValueSell-5,000159,700$773
Q2 2015First Eagle U.S. ValueSell-564,166164,700$705
Q2 2015Renaissance Technologies LLCBuy70,7351,505,880$6,445
Q1 2015First Eagle U.S. ValueSell-400,000728,866$2,748
Q1 2015Renaissance Technologies LLCBuy1,005,2651,435,145$5,410
Q4 2014Renaissance Technologies LLCBuy343,300429,880$1,397
Q4 2014First Eagle U.S. ValueSell-1,069,2581,128,866$3,669

Frequently asked questions about GERN activity

  • Which institutional owners are buying GERN?

    Institutional owners buying GERN 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 GERN activity?

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

  • Is institutional interest in GERN increasing?

    Institutional interest in GERN 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.