Institutional Ownership
Aclaris Therapeutics Inc
CUSIP 00461U105COMACRSQ1 2026
13D / 13G Filings
76
Schedule 13D/13G on record
Beneficial Filers
31
Distinct reporting persons
Largest Stake
13.3%
Max % of class reported
Institutional Holders
131
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
76 filings · latest Feb 9, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 9, 2026 | Bml Investment Partners, L.P. | 13G/A | 11.9% | 14.25M | SEC |
| 2 | Jan 21, 2026 | Blackrock, Inc. | 13G/A | 6.2% | 6.70M | SEC |
| 3 | Jan 9, 2026 | Biosion, Inc. | 13G/A | 11.0% | 11.28M | SEC |
| 4 | Nov 13, 2025 | Adage Capital Management, L.P. | 13G/A | 4.9% | 5.28M | SEC |
| 5 | Jul 29, 2025 | The Vanguard Group | 13G | 6.2% | 6.66M | SEC |
| 6 | Jul 24, 2025 | Millennium Management LLC | 13G/A | 11.0% | 3.84M | SEC |
| 7 | Jul 17, 2025 | Blackrock, Inc. | 13G | 5.1% | 5.47M | SEC |
| 8 | May 15, 2025 | Rock Springs Capital Management LP | 13G/A | 4.7% | 5.05M | SEC |
| 9 | May 12, 2025 | Adage Capital Management, L.P. | 13G/A | 7.6% | 8.20M | SEC |
| 10 | May 5, 2025 | Millennium Management LLC | 13G | 11.0% | 5.54M | SEC |
66 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Aclaris Therapeutics Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Bml Capital Management, LLC | 14.25M | $53.44M |
| 2 | Deep Track Capital, LP | 9.35M | $35.04M |
| 3 | Blackrock, Inc. | 7.41M | $27.78M |
| 4 | Ra Capital Management, L.P. | 6.80M | $25.52M |
| 5 | Vivo Capital, LLC | 6.67M | $25.00M |
| 6 | Frazier Life Sciences Management, L.P. | 4.93M | $18.47M |
| 7 | Rock Springs Capital Management LP | 4.47M | $16.77M |
| 8 | Decheng Capital LLC | 4.04M | $15.16M |
| 9 | Adage Capital Partners Gp, L.L.C. | 3.87M | $14.52M |
| 10 | Balyasny Asset Management L.P. | 3.36M | $12.60M |