(RGEN) Stock Institutional Trading Activity


(RGEN) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q3 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Polen Capital Management, and Parnassus Endeavor Fund. 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
Q3 2025Renaissance Technologies LLCBuy43,100109,404$14,624,033
Q2 2025Polen Capital ManagementSell-28,9851,917$238,436
Q2 2025Renaissance Technologies LLCBuy24,10066,304$8,246,892
Q1 2025Polen Capital ManagementSell-9,65430,902$3,931,912
Q1 2025Parnassus Endeavor FundSell-111,611254,621$32,397,976
Q4 2024Polen Capital ManagementBuy5,17340,556$5,837,611
Q4 2024Parnassus Endeavor FundSell-15,239366,232$52,715,434
Q3 2024Polen Capital ManagementBuy20,81135,383$5,265,674
Q3 2024Parnassus Endeavor FundSell-7,060381,471$56,770,514
Q2 2024Polen Capital ManagementBuy14,57214,572$1,836,896
Q2 2024Renaissance Technologies LLCBuy23,29242,204$5,320,236
Q2 2024Parnassus Endeavor FundBuy108388,531$48,978,218
Q1 2024Parnassus Endeavor FundSell-161,701388,423$71,438,758
Q3 2023Parnassus Endeavor FundBuy550,124550,124$87,475,217
Q3 2022Renaissance Technologies LLCSell-232,80418,912$3,539
Q2 2022Renaissance Technologies LLCBuy30,900251,716$40,879
Q1 2022Renaissance Technologies LLCBuy44,100220,816$41,533
Q4 2021Renaissance Technologies LLCSell-19,496176,716$46,801
Q3 2021Renaissance Technologies LLCSell-160,004196,212$56,703
Q2 2021Renaissance Technologies LLCSell-105,796356,216$71,108
Q1 2021Renaissance Technologies LLCSell-205,032462,012$89,820
Q4 2020Renaissance Technologies LLCSell-227,293667,044$127,826
Q3 2020Renaissance Technologies LLCBuy216,304894,337$131,950
Q2 2020Renaissance Technologies LLCBuy299,300678,033$83,812
Q1 2020Renaissance Technologies LLCBuy134,401378,733$36,563
Q4 2019Renaissance Technologies LLCBuy14,028244,332$22,601
Q3 2019Renaissance Technologies LLCBuy165,704230,304$17,662
Q2 2019Renaissance Technologies LLCSell-87,40464,600$5,552
Q1 2019Renaissance Technologies LLCBuy47,900152,004$8,980
Q4 2018Renaissance Technologies LLCBuy56,904104,104$5,490

Frequently asked questions about RGEN activity

  • Which institutional owners are buying RGEN?

    Institutional owners buying RGEN 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 RGEN activity?

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

  • Is institutional interest in RGEN increasing?

    Institutional interest in RGEN 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.