Gritstone bio, Inc.
GRTSDelisted Mar 5, 2025- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001656634
Gritstone bio, Inc. was delisted on Mar 5, 2025; its insiders filed their last Form 4 on Apr 8, 2025; 56 institutions reported holding it in 13F filings for Q3 2024, worth $20.7M in total; no superinvestor held it.
Holders of 5% or more of GRTS
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Gritstone bio, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Redmile Group, LLC | 13G/A | 8.20%13.2M shares | – | Feb 14, 20251 filing | Feb 14, 2025 | 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
1 Schedule 13D or 13G filing on Gritstone bio, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Feb 14, 20258:00 PM ET | Redmile Group, LLCand 2 others | 13G/A | 8.20%13.2M shares | – | Dec 31, 2024 | SEC |
| Feb 14, 2022 | Redmile Group, LLC | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | EcoR1 Capital, LLC | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Biotechnology Value Fund L P | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Avidity Partners Management LP | 13G/AOld format | – | – | – | SEC |
| Feb 11, 2022 | Versant Venture Capital V, L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 11, 2022 | State Street Corp | 13GOld format | – | New | – | SEC |
| Feb 9, 2022 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Feb 4, 2022 | Wellington Management Portfolios (Dublin) Public Ltd Co | 13G/AOld format | – | – | – | SEC |
| Sep 27, 2021 | Redmile Group, LLC | 13G/AOld format | – | – | – | SEC |
| Sep 21, 2021 | Frazier Life Sciences Public Fund, L.P. | 13GOld format | – | New | – | SEC |
| Apr 12, 2021 | Wellington Management Group LLP | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Versant Venture Capital V, L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Column Group II, LP | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Redmile Group, LLC | 13G/AOld format | – | – | – | SEC |
| Feb 11, 2021 | Casdin Capital, LLC | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Wellington Management Group LLP | 13GOld format | – | New | – | SEC |
| Feb 8, 2021 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Feb 4, 2021 | Frazier Healthcare VII, L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 1, 2021 | Wellington Management Portfolios (Dublin) Public Ltd Co | 13GOld format | – | New | – | SEC |
| Jan 11, 2021 | Biotechnology Value Fund L P | 13GOld format | – | New | – | SEC |
| Jan 8, 20214:37 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Jan 4, 2021 | EcoR1 Capital, LLC | 13GOld format | – | New | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Gritstone bio, Inc. shares.
No Form 144 notices for Gritstone bio, Inc. are on file.