Odyssey Therapeutics, Inc.
ODTX- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001882782
No open-market purchases or sales by Odyssey Therapeutics, Inc. insiders were filed in the last 90 days; 59 institutions reported holding it in 13F filings for Q2 2026, worth $652.9M in total; HHLR Advisors (Hillhouse) is the only superinvestor holding it.
Holders of 5% or more of ODTX
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Odyssey Therapeutics, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| FMR LLC | 13G | 10.20%4.58M shares | New | Jun 5, 20261 filing | Jun 5, 2026 | SEC |
| Sr One Capital Management, LLC | 13D | 8.00%3.79M shares | New | May 18, 20261 filing | May 18, 2026 | SEC |
| TPG GP A, LLC | 13D | 7.80%3.69M shares | New | May 18, 20261 filing | May 18, 2026 | SEC |
| Jeito II S.L.P. | 13D | 7.80%3.69M shares | New | May 15, 20261 filing | May 15, 2026 | SEC |
| Lightspeed Venture Partners XV-B (Ignite), L.P. | 13G | 7.60%3.61M shares | New | May 18, 20261 filing | May 18, 2026 | SEC |
| Dimension Capital II, L.P. | 13D | 7.10%3.33M shares | New | May 15, 20261 filing | May 15, 2026 | SEC |
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
6 Schedule 13D and 13G filings on Odyssey Therapeutics, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Jun 5, 202610:13 AM ET | FMR LLCand 1 other | 13G | 10.20%4.58M shares | New | May 29, 2026 | SEC |
| May 18, 20268:20 PM ET | Lightspeed Venture Partners XV-B (Ignite), L.P.and 2 others | 13G | 7.60%3.61M shares | New | May 11, 2026 | SEC |
| May 18, 20266:29 PM ET | Sr One Capital Management, LLCand 8 others | 13D | 8.00%3.79M shares | New | May 11, 2026 | SEC |
| May 18, 20264:06 PM ET | TPG GP A, LLCand 2 others | 13D | 7.80%3.69M shares | New | May 11, 2026 | SEC |
| May 15, 20264:08 PM ET | Dimension Capital II, L.P.and 6 others | 13D | 7.10%3.33M shares | New | May 8, 2026 | SEC |
| May 15, 20262:58 PM ET | Jeito II S.L.P.and 3 others | 13D | 7.80%3.69M shares | New | May 8, 2026 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Odyssey Therapeutics, Inc. shares.
No Form 144 notices for Odyssey Therapeutics, Inc. are on file.