Turnstone Biologics Corp.
TSBXDelisted Aug 11, 2025- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001764974
Turnstone Biologics Corp. was delisted on Aug 11, 2025; its insiders filed their last Form 4 on Aug 12, 2025; 23 institutions reported holding it in 13F filings for Q2 2025, worth $3.03M in total; no superinvestor held it.
13F holders, Q1 2025
Institutional positions in Turnstone Biologics Corp. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 23
- −5 vs. Q4 2024
- Shares held
- 10.4M
- −703.4K (−6.3%) vs. Q4 2024
- Total value
- $4.26M
- −$1.25M (−22.7%) vs. Q4 2024
- New holders
- 3
- 3 more added
- Sold out
- 8
- 10 more reduced
Compare with Q4 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting TSBX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 1 | $0 |
| Q2 2025 | 23 | $3.03M |
| Q1 2025 | 23 | $4.26M |
| Q4 2024 | 28 | $5.51M |
| Q3 2024 | 24 | $6.37M |
| Q2 2024 | 47 | $33.3M |
| Q1 2024 | 40 | $35.0M |
| Q4 2023 | 36 | $33.1M |
| Q3 2023 | 35 | $48.0M |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding Turnstone Biologics Corp.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| OrbiMed Advisors LLC | 3,099,265 | $1.27M | 0.03% | 00.0% | Unchanged |
| FMR LLC | 1,133,987 | $464.9K | 0.00% | −50,056−4.2% | Reduced |
| BML Capital Management, LLC | 1,103,386 | $452.4K | 0.37% | +1,103,386 | New |
| PFM Health Sciences, LP | 932,348 | $382.3K | 0.03% | 00.0% | Unchanged |
| Takeda Pharmaceutical Co Ltd | 895,824 | $367.3K | 2.27% | 00.0% | Unchanged |
| Bank of America Corp | 891,531 | $365.5K | 0.00% | +50.0% | Added |
| Point72 Asset Management, L.P. | 878,933 | $360.4K | 0.00% | −55,431−5.9% | Reduced |
| 72 Investment Holdings, LLC | 549,980 | $225.5K | 0.63% | 00.0% | Unchanged |
| Vanguard Group Inc | 515,087 | $211.2K | 0.00% | −63,908−11.0% | Reduced |
| Geode Capital Management, LLC | 136,780 | $56.1K | 0.00% | −1,879−1.4% | Reduced |
| BlackRock, Inc. | 42,400 | $17.4K | 0.00% | −792−1.8% | Reduced |
| Renaissance Technologies LLC | 40,200 | $16.5K | 0.00% | +16,300+68.2% | Added |
| Millennium Management LLC | 38,858 | $15.9K | 0.00% | −34,886−47.3% | Reduced |
| XTX Topco Ltd | 35,741 | $14.7K | 0.00% | +23,982+203.9% | Added |
| Susquehanna International Group, LLP | 25,305 | $10.4K | 0.00% | −42,019−62.4% | Reduced |
| Nordwand Advisors, LLC | 20,000 | $8.20K | 0.00% | +20,000 | New |
| Northern Trust Corp | 18,405 | $7.55K | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 17,833 | $6.00K | 0.00% | 00.0% | Unchanged |
| HRT Financial LP | 12,083 | $4.00K | 0.00% | +12,083 | New |
| Tower Research Capital LLC (TRC) | 4,761 | $1.95K | 0.00% | −45−0.9% | Reduced |
| JPMorgan Chase & Co | 196 | $81 | 0.00% | −3−1.5% | Reduced |
| BNP Paribas Arbitrage, SA | 121 | $50 | 0.00% | −15,117−99.2% | Reduced |
| UBS Group AG | 71 | $29 | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −689,213−100.0% | Sold out |
| Sectoral Asset Management Inc | 0 | $0 | 0.00% | −517,648−100.0% | Sold out |
| FIL Ltd | 0 | $0 | 0.00% | −192,657−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −114,058−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −61,413−100.0% | Sold out |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −20,518−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −14,810−100.0% | Sold out |
| Morgan Stanley | 0 | $0 | 0.00% | −4,701−100.0% | Sold out |