Canonical: https://ownershiptrace.com/13f/companies/3355

# Who owns COLLEGIUM PHARMACEUTICAL, INC (COLL)? Elite investor 13F holders

5 tracked elite investors reported holding COLLEGIUM PHARMACEUTICAL, INC as of 2026-06-30, including Renaissance Technologies LLC, Rubric Capital, D.E. Shaw, Third Avenue Management, Gotham Asset Management. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

5 tracked investors currently reported holding · Latest report period: 2026-06-30 · Health Care · Pharmaceuticals, Biotechnology & Life Sciences

Collegium Pharmaceutical, Inc., a specialty pharmaceutical company, engages in the development and commercialization of medicines for pain management. The company's portfolio includes Jornay PM, a central nervous system stimulant prescription medicine that contains methylphenidate HCl for the treatment of attention deficit hyperactivity disorder; Belbuca, a buccal film that contains buprenorphine…

## Reported holders and securities, including exits (up to 20)

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [Renaissance Technologies LLC](https://ownershiptrace.com/13f/investors/63) | COLLEGIUM PHARMACEUTICAL INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 49469074.00 USD | 1366549.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1037389/0001037389-26-000059-index.html) |
| [Rubric Capital](https://ownershiptrace.com/13f/investors/120) | COLLEGIUM PHARMACEUTICAL INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 46321918.00 USD | 1279611.000000 | Shares | hold | [Original filing](https://www.sec.gov/Archives/edgar/data/1687509/0001104659-26-097098-index.html) |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | COLLEGIUM PHARMACEUTICAL INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 12249465.00 USD | 338383.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) |
| [Third Avenue Management](https://ownershiptrace.com/13f/investors/73) | COLLEGIUM PHARMACEUTICAL INC | SHARE | 2026-06-30 | 2026-08-12 00:00:00 | 6611749.00 USD | 182645.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1099281/0001099281-26-000008-index.html) |
| [Gotham Asset Management](https://ownershiptrace.com/13f/investors/94672) | COLLEGIUM PHARMACEUTICAL INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 2767164.00 USD | 76441.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1510387/0001398344-26-014644-index.html) |
| [Tudor Investment](https://ownershiptrace.com/13f/investors/94675) | COLLEGIUM PHARMACEUTICAL INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/923093/0000902664-26-003485-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

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