89bio, Inc.
ETNBDelisted Oct 30, 2025- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001785173
89bio, Inc. was delisted on Oct 30, 2025; its insiders filed their last Form 4 on Nov 3, 2025; 198 institutions reported holding it in 13F filings for Q3 2025, worth $2.27B in total; no superinvestor held it.
Holders of 5% or more of ETNB
Holders whose latest Schedule 13D or 13G filing reports 5% or more of 89bio, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Vanguard Group Inc | 13G | 5.64%8.24M shares | New | Jul 29, 20251 filing | Jul 29, 2025 | SEC |
| Suvretta Capital Management, LLC | 13G/A | 5.60%8.28M shares | −4.30 ppfrom 9.90% | Feb 13, 20253 filings | Nov 13, 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
45 Schedule 13D and 13G filings on 89bio, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Feb 13, 20268:44 AM ET | Deep Track Capital, LPand 2 others | 13G/A | 0.00%0 shares | −6.31 ppfrom 6.31%Below 5% | Dec 31, 2025 | SEC |
| Nov 14, 20254:24 PM ET | Pentwater Capital Management LPand 1 other | 13G | 0.00%0 shares | NewBelow 5% | Sep 30, 2025 | SEC |
| Nov 14, 20258:13 AM ET | Deep Track Capital, LPand 2 others | 13G/A | 6.31%9.36M shares | −2.87 ppfrom 9.18% | Sep 30, 2025 | SEC |
| Nov 13, 20255:24 PM ET | Suvretta Capital Management, LLCand 2 others | 13G/A | 5.60%8.28M shares | −4.30 ppfrom 9.90% | Sep 30, 2025 | SEC |
| Nov 3, 20254:42 PM ET | Ra Capital Management, L.P.and 3 others | 13D/A | 0.00%0 shares | −13.70 ppfrom 13.70%Below 5% | Oct 30, 2025 | SEC |
| Oct 31, 202510:42 AM ET | Adage Capital Management, L.P.and 2 others | 13D/A | 0.00%0 shares | −6.13 ppfrom 6.13%Below 5% | Oct 29, 2025 | SEC |
| Oct 7, 202511:57 AM ET | Janus Henderson Group PLC | 13G/A | 3.60%5.38M shares | −10.60 ppfrom 14.20%Below 5% | Sep 30, 2025 | SEC |
| Oct 3, 20254:01 PM ET | Adage Capital Management, L.P.and 2 others | 13D | 6.13%9.10M shares | New | Sep 26, 2025 | SEC |
| Aug 14, 202510:59 AM ET | Janus Henderson Group PLCand 1 other | 13G/A | 14.20%20.8M shares | +0.20 ppfrom 14.00% | Jun 30, 2025 | SEC |
| Jul 29, 202511:22 AM ET | Vanguard Group Inc | 13G | 5.64%8.24M shares | New | Jun 30, 2025 | SEC |
| May 15, 20258:39 AM ET | Deep Track Capital, LPand 2 others | 13G/A | 9.18%13.8M shares | +3.77 ppfrom 5.41% | Mar 31, 2025 | SEC |
| May 15, 20258:29 AM ET | RTW Investments, LPand 1 other | 13G/A | 1.30%1.97M shares | –Below 5% | Mar 31, 2025 | SEC |
| May 14, 202512:00 PM ET | Janus Henderson Group PLCand 1 other | 13G/A | 14.00%20.5M shares | −1.30 ppfrom 15.30% | Mar 31, 2025 | SEC |
| May 2, 20255:37 PM ET | Suvretta Capital Management, LLCand 2 others | 13G/A | 9.90%14.6M shares | +1.40 ppfrom 8.50% | Mar 31, 2025 | SEC |
| Mar 3, 20258:17 PM ET | Ra Capital Management, L.P.and 3 others | 13D/A | 13.70%20.0M shares | −1.40 ppfrom 15.10% | Feb 27, 2025 | SEC |
| Feb 14, 20254:07 PM ET | Biotechnology Value Fund L Pand 9 others | 13G/A | 3.60%4.33M shares | –Below 5% | Dec 31, 2024 | SEC |
| Feb 13, 20258:00 PM ET | Suvretta Capital Management, LLCand 2 others | 13G/A | 8.50%10.2M shares | – | Dec 31, 2024 | SEC |
| Feb 7, 202510:49 AM ET | Janus Henderson Group PLCand 1 other | 13G/A | 15.30%20.3M shares | – | Jan 31, 2025 | SEC |
| Feb 3, 20255:39 PM ET | Ra Capital Management, L.P.and 3 others | 13D/A | 15.10%20.0M shares | – | Jan 30, 2025 | SEC |
| Dec 23, 20244:41 PM ET | Deep Track Capital, LPand 2 others | 13G | 5.41%6.48M shares | – | Dec 19, 2024 | SEC |
| Aug 11, 2023 | Ra Capital Management, L.P. | 13D/AOld format | – | – | – | SEC |
| Mar 30, 2023 | Ra Capital Management, L.P. | 13D/AOld format | – | – | – | SEC |
| Mar 24, 2023 | OrbiMed Advisors LLC | 13D/AOld format | – | – | – | SEC |
| Feb 14, 2023 | Janus Henderson Group PLC | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2023 | Janus Henderson Group PLC | 13GOld format | – | New | – | SEC |
| Feb 14, 2023 | Longitude Capital Partners III, LLC | 13D/AOld format | – | – | – | SEC |
| Feb 14, 2023 | Great Point Partners LLC | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2023 | Biotechnology Value Fund L P | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | Adage Capital Partners GP, L.L.C. | 13G/AOld format | – | – | – | SEC |
| Jan 26, 2023 | OrbiMed Advisors LLC | 13D/AOld format | – | – | – | SEC |
| Dec 29, 2022 | Cormorant Asset Management, LP | 13GOld format | – | New | – | SEC |
| Oct 21, 2022 | Ra Capital Management, L.P. | 13D/AOld format | – | – | – | SEC |
| Aug 12, 2022 | Adage Capital Partners GP, L.L.C. | 13GOld format | – | New | – | SEC |
| Jul 11, 2022 | Biotechnology Value Fund L P | 13GOld format | – | New | – | SEC |
| Jul 8, 2022 | Great Point Partners LLC | 13GOld format | – | New | – | SEC |
| Jul 6, 2022 | Deep Track Capital, LP | 13GOld format | – | New | – | SEC |
| Jul 6, 2022 | Ra Capital Management, L.P. | 13D/AOld format | – | – | – | SEC |
| Jul 5, 2022 | OrbiMed Advisors LLC | 13D/AOld format | – | – | – | SEC |
| Jun 10, 2022 | Wellington Management Group LLP | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Nussbaum Ran | 13G/AOld format | – | – | – | SEC |
| Feb 7, 2022 | Longitude Capital Partners III, LLC | 13D/AOld format | – | – | – | SEC |
| Jan 10, 2022 | Wellington Management Group LLP | 13G/AOld format | – | – | – | SEC |
| Jun 4, 2021 | Ra Capital Management, L.P. | 13D/AOld format | – | – | – | SEC |
| Feb 9, 2021 | Nussbaum Ran | 13G/AOld format | – | – | – | SEC |
| Feb 4, 2021 | Wellington Management Group LLP | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell 89bio, Inc. shares.
No Form 144 notices for 89bio, Inc. are on file.