60 institutions reported holding $44.0M of Adicet Bio, Inc. (ACET) in SEC 13F filings for 2026-03-31. Largest institutional holders: RA CAPITAL MANAGEMENT, L.P. ($8.1M), ORBIMED ADVISORS LLC ($7.0M), FRANKLIN RESOURCES INC ($4.3M), CITADEL ADVISORS LLC ($2.6M), VANGUARD CAPITAL MANAGEMENT LLC ($2.3M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | RA CAPITAL MANAGEMENT, L.P. | $8.1M | 1.2M | Added |
| 2 | ORBIMED ADVISORS LLC | $7.0M | 1.0M | Hold |
| 3 | FRANKLIN RESOURCES INC | $4.3M | 626,571 | Hold |
| 4 | CITADEL ADVISORS LLC | $2.6M | 381,823 | Added |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $2.3M | 336,524 | New |
| 6 | Woodline Partners LP | $2.1M | 313,124 | Trimmed |
| 7 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $1.9M | 274,375 | Hold |
| 8 | Prosight Management, LP | $1.7M | 250,244 | Hold |
| 9 | RENAISSANCE TECHNOLOGIES LLC | $1.6M | 232,591 | Trimmed |
| 10 | Stonepine Capital Management, LLC | $1.5M | 221,955 | Added |
| 11 | Alyeska Investment Group, L.P. | $1.4M | 203,799 | Hold |
| 12 | Carlyle Group Inc. | $1.3M | 184,295 | Hold |
| 13 | NEXTBio Capital Management LP | $1.1M | 157,827 | Hold |
| 14 | ACADIAN ASSET MANAGEMENT LLC | $802,000 | 118,138 | Trimmed |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | $689,043 | 101,135 | Added |
| 16 | DAFNA Capital Management LLC | $638,860 | 93,812 | Hold |
| 17 | Burkehill Global Management, LP | $425,625 | 62,500 | Hold |
| 18 | REGENERON PHARMACEUTICALS, INC. | $412,080 | 60,511 | Hold |
| 19 | Rangeley Capital, LLC | $381,360 | 56,000 | Added |
| 20 | ADAR1 Capital Management, LLC | $366,562 | 53,827 | Trimmed |
| 21 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $360,249 | 52,900 | New |
| 22 | VANGUARD FIDUCIARY TRUST CO | $342,775 | 50,334 | New |
| 23 | Trexquant Investment LP | $297,365 | 43,666 | New |
| 24 | TWO SIGMA INVESTMENTS, LP | $293,552 | 43,106 | Trimmed |
| 25 | RBF Capital, LLC | $262,743 | 38,582 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31