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.
Holders of 5% or more of TSBX
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Turnstone Biologics Corp., largest stake first. The change is against the holder's previous filing.
No holder currently reports owning 5% or more of Turnstone Biologics Corp. on Schedule 13D or 13G.
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
3 Schedule 13D and 13G filings on Turnstone Biologics Corp., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Nov 14, 20254:14 PM ET | Point72 Asset Management, L.P.and 5 others | 13G/A | 0.00%0 shares | –Below 5% | Sep 30, 2025 | SEC |
| Aug 12, 20254:44 PM ET | Versant Venture Capital V, L.P.and 9 others | 13D/A | 0.00%0 shares | –Below 5% | Aug 8, 2025 | SEC |
| May 12, 202510:43 AM ET | FMR LLCand 1 other | 13G/A | 4.90%1.13M shares | –Below 5% | Mar 31, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Turnstone Biologics Corp. shares.
No Form 144 notices for Turnstone Biologics Corp. are on file.