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, Q3 2025
Institutional positions in Turnstone Biologics Corp. as of Sep 30, 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
TSBX is no longer listed, and 13F filings after Q2 2025 list far fewer holders. See Q2 2025
- Institutional holders
- 1
- −22 vs. Q2 2025
- Shares held
- 40.4K
- −8.39M (−99.5%) vs. Q2 2025
- Total value
- $0
- −$3.03M (−100.0%) vs. Q2 2025
- New holders
- 0
- 1 more added
- Sold out
- 22
- 0 more reduced
Compare with Q2 2025: 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, Q3 2025
Shares, value and share of portfolio for each institution holding Turnstone Biologics Corp.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| XTX Topco Ltd | 40,401 | $0 | 0.00% | +2,615+6.9% | Added |
| OrbiMed Advisors LLC | 0 | $0 | 0.00% | −3,099,265−100.0% | Sold out |
| FMR LLC | 0 | $0 | 0.00% | −1,133,987−100.0% | Sold out |
| BML Capital Management, LLC | 0 | $0 | 0.00% | −1,103,386−100.0% | Sold out |
| Takeda Pharmaceutical Co Ltd | 0 | $0 | 0.00% | −895,824−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −816,923−100.0% | Sold out |
| 72 Investment Holdings, LLC | 0 | $0 | 0.00% | −549,980−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −208,887−100.0% | Sold out |
| Geode Capital Management, LLC | 0 | $0 | 0.00% | −130,077−100.0% | Sold out |
| Deltec Asset Management LLC | 0 | $0 | 0.00% | −106,057−100.0% | Sold out |
| Vanguard Group Inc | 0 | $0 | 0.00% | −83,926−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −79,305−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −55,859−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −47,100−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −45,163−100.0% | Sold out |
| Northern Trust Corp | 0 | $0 | 0.00% | −18,405−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −16,430−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −4,741−100.0% | Sold out |
| BlackRock, Inc. | 0 | $0 | 0.00% | −1,066−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −158−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −121−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −71−100.0% | Sold out |