AXSOME THERAPEUTICS INC (AXSM) Stock Institutional Trading Activity


AXSOME THERAPEUTICS INC (AXSM) 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, Torray Fund, and Polen 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 2025Renaissance Technologies LLCBuy20,000170,000$31,048,800
Q3 2025Torray FundBuy35417,419$2,115,538
Q3 2025Renaissance Technologies LLCBuy11,300150,000$18,217,500
Q2 2025Torray FundSell-5117,065$1,781,415
Q2 2025Polen Capital ManagementBuy3,2323,232$337,388
Q2 2025Renaissance Technologies LLCBuy4,300138,700$14,478,893
Q1 2025Torray FundSell-5817,116$1,996,239
Q1 2025Renaissance Technologies LLCBuy68,000134,400$15,675,072
Q4 2024Torray FundBuy5,35117,174$1,453,092
Q3 2024Torray FundBuy7611,823$1,062,533
Q2 2024Torray FundBuy5,38811,747$945,634
Q1 2024Torray FundBuy6,3596,359$840,932
Q2 2020Renaissance Technologies LLCBuy14,30066,400$5,463
Q1 2020Renaissance Technologies LLCBuy1,33052,100$3,065
Q4 2019Renaissance Technologies LLCSell-196,43050,770$5,248
Q2 2019Renaissance Technologies LLCBuy232,090247,200$6,365
Q4 2018Renaissance Technologies LLCSell-33,29015,110$43
Q4 2017Renaissance Technologies LLCBuy48,40048,400$271

Frequently asked questions about AXSM activity

  • Which institutional owners are buying AXSM?

    Institutional owners buying AXSM 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 AXSM activity?

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

  • Is institutional interest in AXSM increasing?

    Institutional interest in AXSM 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.