Turnstone BiologicsTSBX
13F holders, Q2 2025 (June 30)At the end of Q2 2025, 23 institutions reported holding Turnstone Biologics Corp. (TSBX) in their 13F filings, unchanged from Q1 2025. 3 opened new positions and 3 sold out. The largest holders were Orbimed Advisors LLC ($1.1M), FMR LLC ($407K) and BML Capital Management, LLC ($396K). 3 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Turnstone Biologics Corp.
- CUSIP
- 90042W100
- Latest filing quarter
- Q3 2025
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $129K |
| Exits | 3 | $406K |
All 13F filers, Q1 2025 → Q2 2025: 466,828 shares bought and 2,425,256 shares sold, net −1,958,428 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 23 holders
| Orbimed Advisors LLC | 0.03% | No change | 3,099,265 | $1.1M |
| FMR LLC | 0.00% | No change | 1,133,987 | $407K |
| BML Capital Management, LLC | 0.30% | No change | 1,103,386 | $396K |
| Takeda Pharmaceutical Co. Ltd. | 1.64% | No change | 895,824 | $322K |
| Point72 Asset Management | 0.00% | Reduce -7.1% | 816,923 | $293K |
| 72 Investment Holdings, LLC | 0.52% | No change | 549,980 | $197K |
| Citadel Advisors | 0.00% | New | 208,887 | $75K |
| Geode Capital Management, LLC | 0.00% | Reduce -4.9% | 130,077 | $47K |
| Deltec Asset Management LLC | 0.01% | New | 106,057 | $38K |
| Vanguard Group Inc. | 0.00% | Reduce -83.7% | 83,926 | $30K |
| Susquehanna International Group, LLP | 0.00% | Add +213.4% | 79,305 | $28K |
| HRT Financial LP | 0.00% | Add +362.3% | 55,859 | $20K |
| Renaissance Technologies | 0.00% | Add +17.2% | 47,100 | $17K |
| GTS Securities LLC | 0.00% | New | 45,163 | $16K |
| XTX Topco Ltd | 0.00% | Add +5.7% | 37,786 | $14K |
| Northern Trust Corp. | 0.00% | No change | 18,405 | $7K |
| Acadian Asset Management LLC | 0.00% | Reduce -7.9% | 16,430 | $4K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -0.4% | 4,741 | $2K |
| BlackRock, Inc. | 0.00% | Reduce -97.5% | 1,066 | $383 |
| JPMorgan Chase & Co. | 0.00% | Reduce -19.4% | 158 | $57 |
| Bank of America Corp. | 0.00% | Reduce -100.0% | 150 | $54 |
| BNP Paribas Financial Markets | 0.00% | No change | 121 | $43 |
| UBS Group AG | 0.00% | No change | 71 | $25 |
"% of holder's portfolio" is TSBX's weight in each manager's 13F, not the share of Turnstone Biologics Corp. the manager owns.