COLLEGIUM PHARMACEUTICAL INC (COLL) Stock Institutional Trading Activity


COLLEGIUM PHARMACEUTICAL INC (COLL) 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 Third Avenue 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
Q3 2019Renaissance Technologies LLCBuy503,100747,200$8,578
Q2 2019Renaissance Technologies LLCBuy230,600244,100$3,210
Q1 2018Renaissance Technologies LLCSell-117,30013,500$345
Q4 2017Renaissance Technologies LLCBuy118,867130,800$2,415
Q4 2015Renaissance Technologies LLCSell-19,86711,933$328
Q3 2015Renaissance Technologies LLCBuy31,80031,800$703

Frequently asked questions about COLL activity

  • Which institutional owners are buying COLL?

    Institutional owners buying COLL 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 COLL activity?

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

  • Is institutional interest in COLL increasing?

    Institutional interest in COLL 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.