Adicet BioACET
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 54 institutions reported holding Adicet Bio Inc. (ACET) in their 13F filings, up 5 from Q2 2025. 12 opened new positions and 7 sold out. The largest holders were Orbimed Advisors LLC ($9.3M), Tang Capital Management LLC ($6.7M) and Ra Capital Management, L.P. ($6.1M). 3 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Adicet Bio Inc.
- CUSIP
- 007002108
- Latest filing quarter
- Q1 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 12 | $491K |
| Exits | 7 | $550K |
All 13F filers, Q2 2025 → Q3 2025: 2,430,628 shares bought and 2,632,370 shares sold, net −201,742 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 54 holders
| Orbimed Advisors LLC | 0.22% | No change | 11,447,140 | $9.3M |
| Tang Capital Management LLC | 0.26% | No change | 8,223,612 | $6.7M |
| Ra Capital Management, L.P. | 0.08% | No change | 7,541,000 | $6.1M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -0.0% | 3,751,617 | $3.0M |
| Vanguard Group Inc. | 0.00% | No change | 3,272,522 | $2.7M |
| Carlyle Group Inc. | 0.06% | No change | 2,948,718 | $2.4M |
| Acadian Asset Management LLC | 0.00% | Add +9.2% | 2,265,491 | $1.8M |
| Renaissance Technologies | 0.00% | Add +58.5% | 1,828,949 | $1.5M |
| Regeneron Pharmaceuticals, Inc. | 0.11% | No change | 968,183 | $784K |
| Bridgeway Capital Management, LLC | 0.02% | No change | 901,600 | $730K |
| Two Sigma Investments, LP | 0.00% | Add +66.7% | 854,568 | $692K |
| Two Sigma Advisers, LP | 0.00% | Add +38.0% | 780,982 | $633K |
| Geode Capital Management, LLC | 0.00% | No change | 706,334 | $572K |
| Alyeska Investment Group, L.P. | 0.00% | No change | 655,665 | $531K |
| RBF Capital, LLC | 0.02% | No change | 617,319 | $500K |
| BlackRock, Inc. | 0.00% | Reduce -2.4% | 585,377 | $474K |
| Citadel Advisors | 0.00% | Add +26.8% | 583,948 | $473K |
| Millennium Management | 0.00% | Reduce -4.5% | 565,953 | $459K |
| Schonfeld Strategic Advisors LLC | 0.00% | Reduce -74.5% | 479,108 | $388K |
| Johnson & Johnson | 0.06% | No change | 364,472 | $295K |
| Wealthedge Investment Advisors, LLC | 0.09% | Reduce -4.2% | 300,054 | $243K |
| Barclays PLC | 0.00% | Add +100.0% | 300,000 | $243K |
| State Street Corp. | 0.00% | Reduce -1.1% | 244,186 | $198K |
| Jane Street Group, LLC | 0.00% | New | 186,200 | $151K |
| Northern Trust Corp. | 0.00% | No change | 140,373 | $114K |
| Vontobel Holding Ltd. | 0.00% | No change | 80,000 | $65K |
| Virtu Financial LLC | 0.00% | New | 79,916 | $65K |
| Royal Bank of Canada | 0.00% | Add +90934.1% | 80,110 | $65K |
| Rangeley Capital, LLC | 0.06% | New | 75,000 | $61K |
| Morgan Stanley | 0.00% | Add +2.0% | 73,682 | $60K |
| Bluefin Capital Management, LLC | 0.03% | New | 66,854 | $54K |
| XTX Topco Ltd | 0.00% | Add +146.6% | 58,139 | $47K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -7.5% | 52,963 | $43K |
| Marshall Wace, LLP | 0.00% | New | 51,733 | $42K |
| Squarepoint Ops LLC | 0.00% | New | 46,427 | $38K |
| Susquehanna International Group, LLP | 0.00% | New | 40,370 | $33K |
| Abacus Planning Group, Inc. | 0.00% | No change | 36,764 | $30K |
| Two Sigma Securities, LLC | 0.00% | New | 25,274 | $20K |
| UBS Group AG | 0.00% | Add +15.8% | 21,438 | $17K |
| Bank of America Corp. | 0.00% | Reduce -0.1% | 20,607 | $17K |
| Qube Research & Technologies Ltd | 0.00% | Add +1.5% | 20,257 | $16K |
| HRT Financial LP | 0.00% | New | 18,627 | $15K |
| Mariner, LLC | 0.00% | New | 14,850 | $12K |
| Raymond James Financial Inc. | 0.00% | Add +253.5% | 13,265 | $11K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -82.8% | 4,992 | $4K |
| Hollencrest Capital Management | 0.00% | No change | 2,000 | $2K |
| Toth Financial Advisory Corp. | 0.00% | No change | 1,600 | $1K |
| BNP Paribas Financial Markets | 0.00% | No change | 896 | $726 |
| SBI Securities Co., Ltd. | 0.00% | Add +0.6% | 827 | $670 |
| FMR LLC | 0.00% | Reduce -99.7% | 776 | $629 |
| JPMorgan Chase & Co. | 0.00% | No change | 771 | $625 |
| Advisory Services Network, LLC | 0.00% | New | 316 | $256 |
| Citigroup Inc. | 0.00% | Reduce -76.5% | 166 | $134 |
| Osaic Holdings, Inc. | 0.00% | New | 10 | $7 |
"% of holder's portfolio" is ACET's weight in each manager's 13F, not the share of Adicet Bio Inc. the manager owns.