Turnstone BiologicsTSBX
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 23 institutions reported holding Turnstone Biologics Corp. (TSBX) in their 13F filings, down 5 from Q4 2024. 3 opened new positions and 8 sold out. The largest holders were Orbimed Advisors LLC ($1.3M), FMR LLC ($465K) and BML Capital Management, LLC ($452K). 3 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Turnstone Biologics Corp.
- CUSIP
- 90042W100
- Latest filing quarter
- Q3 2025
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $465K |
| Exits | 8 | $802K |
All 13F filers, Q4 2024 → Q1 2025: 1,175,756 shares bought and 1,879,154 shares sold, net −703,398 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 | $1.3M |
| FMR LLC | 0.00% | Reduce -4.2% | 1,133,987 | $465K |
| BML Capital Management, LLC | 0.37% | New | 1,103,386 | $452K |
| PFM Health Sciences, LP | 0.03% | No change | 932,348 | $382K |
| Takeda Pharmaceutical Co. Ltd. | 2.27% | No change | 895,824 | $367K |
| Bank of America Corp. | 0.00% | Add +0.0% | 891,531 | $366K |
| Point72 Asset Management | 0.00% | Reduce -5.9% | 878,933 | $360K |
| 72 Investment Holdings, LLC | 0.63% | No change | 549,980 | $225K |
| Vanguard Group Inc. | 0.00% | Reduce -11.0% | 515,087 | $211K |
| Geode Capital Management, LLC | 0.00% | Reduce -1.4% | 136,780 | $56K |
| BlackRock, Inc. | 0.00% | Reduce -1.8% | 42,400 | $17K |
| Renaissance Technologies | 0.00% | Add +68.2% | 40,200 | $16K |
| Millennium Management | 0.00% | Reduce -47.3% | 38,858 | $16K |
| XTX Topco Ltd | 0.00% | Add +203.9% | 35,741 | $15K |
| Susquehanna International Group, LLP | 0.00% | Reduce -62.4% | 25,305 | $10K |
| Nordwand Advisors, LLC | 0.00% | New | 20,000 | $8K |
| Northern Trust Corp. | 0.00% | No change | 18,405 | $8K |
| Acadian Asset Management LLC | 0.00% | No change | 17,833 | $6K |
| HRT Financial LP | 0.00% | New | 12,083 | $4K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -0.9% | 4,761 | $2K |
| JPMorgan Chase & Co. | 0.00% | Reduce -1.5% | 196 | $81 |
| BNP Paribas Financial Markets | 0.00% | Reduce -99.2% | 121 | $50 |
| UBS Group AG | 0.00% | No change | 71 | $29 |
"% of holder's portfolio" is TSBX's weight in each manager's 13F, not the share of Turnstone Biologics Corp. the manager owns.