Collegium Pharmaceutical, Inc. (COLL) Holders & Ownership

Collegium Pharmaceutical, Inc. (COLL) ownership: insiders 13% · institutions 119% (13F 2026-03-31). Insider activity, 90 days: 0 sales, 0 open-market buys. SEC EDGAR first-party data.

Top Institutional Holders (13F, rolled up by parent)

Source: SEC Form 13F
HolderSharesMarket Value% OutstandingReported
BlackRock5134027.00$169.78M15.8%2026-03-31
Vanguard2283008.00$75.50M7.0%2026-03-31
Janus Henderson1825651.00$60.36M5.6%2026-03-31
Invesco1591909.00$52.64M4.9%2026-03-31
Fuller & Thaler Asset Management, Inc.1499584.00$49.59M4.6%2026-03-31
Renaissance Technologies1469449.00$48.59M4.5%2026-03-31
State Street1424544.00$47.11M4.4%2026-03-31
Eventide Asset Management, LLC1424282.00$47.08M4.4%2026-03-31

Insider Trading Activity (Form 4)

Source: SEC Form 4
InsiderTransactionValueDate
Sellnull2026-06-08
Sellnull2026-06-08
Sellnull2026-05-18
Sellnull2026-05-18
Sellnull2026-05-15
Sellnull2026-05-15
Sellnull2026-05-15
Sellnull2026-05-14

Back to COLL overview · COLL earnings · All congressional trades

Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.