Collegium Pharmaceutical, Inc. (COLL) ownership: Top institutional holder: BlackRock, Inc. ($169.78M). Insider activity: Net Seller (1 buys, 19 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 5134027.00 | $169.78M | 2026-03-31 |
| VANGUARD GROUP INC | 2256254.00 | $104.46M | 2025-12-31 |
| JANUS HENDERSON GROUP PLC | 1825651.00 | $60.36M | 2026-03-31 |
| Invesco Ltd. | 1591909.00 | $52.64M | 2026-03-31 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 1499584.00 | $49.59M | 2026-03-31 |
| RENAISSANCE TECHNOLOGIES LLC | 1469449.00 | $48.59M | 2026-03-31 |
| STATE STREET CORP | 1424544.00 | $47.11M | 2026-03-31 |
| EVENTIDE ASSET MANAGEMENT, LLC | 1424282.00 | $47.08M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-18 | |
| Sell | null | 2026-05-15 | |
| Sell | null | 2026-05-15 | |
| Sell | null | 2026-05-15 | |
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-05-14 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.