Collegium Pharmaceutical, Inc
COLL- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001267565
No open-market purchases or sales by Collegium Pharmaceutical, Inc insiders were filed in the last 90 days; 279 institutions reported holding it in 13F filings for Q2 2026, worth $1.42B in total; no superinvestor holds it.
Holders of 5% or more of COLL
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Collegium Pharmaceutical, Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 15.60%5.00M shares | – | Apr 28, 20251 filing | Apr 28, 2025 | SEC |
| Rubric Capital Management LP | 13G/A | 9.34%3.00M shares | +2.05 ppfrom 7.29% | Feb 13, 20252 filings | May 14, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
10 Schedule 13D and 13G filings on Collegium Pharmaceutical, Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 13, 20254:05 PM ET | Renaissance Technologies LLCand 1 other | 13G/A | 4.82%1.52M shares | −0.32 ppfrom 5.14%Below 5% | Apr 1, 2025 | SEC |
| Aug 11, 20254:49 PM ET | Principal Global Investors | 13G/A | 4.60%1.47M shares | –Below 5% | Jun 30, 2025 | SEC |
| Aug 7, 20254:27 PM ET | Invesco Ltd. | 13G/A | 4.90%1.58M shares | −0.60 ppfrom 5.50%Below 5% | Jun 30, 2025 | SEC |
| May 14, 20254:04 PM ET | Rubric Capital Management LPand 1 other | 13G/A | 9.34%3.00M shares | +2.05 ppfrom 7.29% | Mar 31, 2025 | SEC |
| May 2, 202511:04 AM ET | Pacer Advisors, Inc.and 3 others | 13G/A | 1.06%419.1K shares | −4.34 ppfrom 5.40%Below 5% | Mar 31, 2025 | SEC |
| May 2, 202510:33 AM ET | Pacer Advisors, Inc.and 3 others | 13G | 5.40%2.14M shares | New | Dec 31, 2024 | SEC |
| Apr 28, 20257:56 AM ET | BlackRock, Inc. | 13G/A | 15.60%5.00M shares | – | Mar 31, 2025 | SEC |
| Feb 13, 20254:01 PM ET | Rubric Capital Management LPand 1 other | 13G | 7.29%2.35M shares | New | Dec 31, 2024 | SEC |
| Feb 7, 20251:21 PM ET | Invesco Ltd. | 13G | 5.50%1.78M shares | New | Dec 31, 2024 | SEC |
| Nov 13, 20242:39 PM ET | Renaissance Technologies LLCand 1 other | 13G | 5.14%1.66M shares | New | Aug 2, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Collegium Pharmaceutical, Inc shares.
No Form 144 notices for Collegium Pharmaceutical, Inc are on file.