STEREOTAXIS INC (STXS) Stock Institutional Trading Activity


STEREOTAXIS INC (STXS) 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 Arbiter Partners 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 LLCBuy68,000448,400$1,031,320
Q4 2025Arbiter Partners Capital ManagementBuy30,0002,883,856$6,632,869
Q3 2025Renaissance Technologies LLCBuy336,600380,400$1,183,044
Q2 2025Renaissance Technologies LLCSell-78,30943,800$92,856
Q1 2025Renaissance Technologies LLCSell-284,091122,109$214,912
Q1 2025Arbiter Partners Capital ManagementBuy62,7882,853,856$5,022,787
Q4 2024Renaissance Technologies LLCBuy44,000406,200$926,136
Q3 2024Renaissance Technologies LLCSell-126,500362,200$738,888
Q3 2024Arbiter Partners Capital ManagementBuy9,3492,791,068$5,693,778
Q2 2024Renaissance Technologies LLCBuy154,400488,700$889,434
Q2 2024Arbiter Partners Capital ManagementBuy26,0262,781,719$5,062,728
Q1 2024Renaissance Technologies LLCBuy22,700334,300$873
Q4 2023Renaissance Technologies LLCBuy21,900311,600$545
Q4 2023Arbiter Partners Capital ManagementBuy76,8862,755,693$4,822,463
Q3 2023Renaissance Technologies LLCBuy24,700289,700$458
Q3 2023Arbiter Partners Capital ManagementBuy105,6932,678,807$4,232,515
Q2 2023Renaissance Technologies LLCSell-107,532265,000$405
Q1 2023Renaissance Technologies LLCSell-126,068372,532$760
Q4 2022Renaissance Technologies LLCSell-58,900498,600$1,032
Q4 2022Arbiter Partners Capital ManagementBuy18,5312,573,114$5,326,346
Q3 2022Renaissance Technologies LLCSell-240,600557,500$1,004
Q2 2022Renaissance Technologies LLCBuy726,000798,100$1,469
Q2 2022Arbiter Partners Capital ManagementBuy283,6312,554,583$4,700
Q1 2022Renaissance Technologies LLCSell-70,00072,100$269
Q3 2021Renaissance Technologies LLCBuy108,312142,100$764
Q2 2021Arbiter Partners Capital ManagementSell-2,000,0002,270,952$21,892
Q3 2020Arbiter Partners Capital ManagementSell-174,6234,270,952$15,290
Q2 2020Arbiter Partners Capital ManagementSell-231,8104,445,575$19,827
Q1 2020Renaissance Technologies LLCSell-86,30033,788$102
Q4 2019Renaissance Technologies LLCBuy107,588120,088$635

Frequently asked questions about STXS activity

  • Which institutional owners are buying STXS?

    Institutional owners buying STXS 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 STXS activity?

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

  • Is institutional interest in STXS increasing?

    Institutional interest in STXS 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.