ONCOLYTICS BIOTECH INC (ONCY) Institutional Ownership Changes & 13F Activity

ONCOLYTICS BIOTECH INC (ONCY) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCBuy585,982715,838$607,603
Q1 2023Renaissance Technologies LLCBuy17,256129,856$156
Q4 2022Renaissance Technologies LLCBuy88,000112,600$184
Q3 2022Renaissance Technologies LLCBuy10,60024,600$30
Q2 2022Renaissance Technologies LLCSell-11,50014,000$14
Q1 2022Renaissance Technologies LLCSell-209,97825,500$40
Q4 2021Renaissance Technologies LLCBuy25,578235,478$327
Q3 2021Renaissance Technologies LLCBuy186,900209,900$439
Q2 2021Renaissance Technologies LLCSell-151,22023,000$64
Q4 2020Renaissance Technologies LLCBuy161,635174,220$415
Q3 2020Renaissance Technologies LLCSell-29,41412,585$21
Q1 2020Renaissance Technologies LLCBuy4,24841,999$58
Q3 2019Renaissance Technologies LLCBuy21,95137,751$22
Q3 2018Renaissance Technologies LLCBuy15,80015,800$61

Frequently asked questions about ONCY activity

  • Which institutional owners are buying ONCY?

    Institutional owners buying ONCY 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 ONCY activity?

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

  • Is institutional interest in ONCY increasing?

    Institutional interest in ONCY 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.