BridgeBio Oncology Therapeutics, Inc.
BBOT- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001869105
No open-market purchases or sales by BridgeBio Oncology Therapeutics, Inc. insiders were filed in the last 90 days; 65 institutions reported holding it in 13F filings for Q2 2026, worth $450.6M in total; no superinvestor holds it.
Holders of 5% or more of BBOT
Holders whose latest Schedule 13D or 13G filing reports 5% or more of BridgeBio Oncology Therapeutics, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Helix Holdings II LLC | 13D/A | 31.59%7.39M shares | – | Feb 20, 20242 filings | Mar 4, 2025 | SEC |
| Helix Holdings II LLC | 13D/A | 22.60%17.9M shares | – | Aug 13, 20251 filing | Aug 13, 2025 | SEC |
| Chen Bihua | 13D/A | 22.32%17.9M shares | – | Jul 6, 20261 filing | Jul 6, 2026 | SEC |
| BridgeBio Pharma LLC | 13D | 17.50%13.9M shares | New | Aug 18, 20251 filing | Aug 18, 2025 | SEC |
| BlackRock Portfolio Management LLC | 13G | 7.90%1.50M shares | New | Apr 15, 20251 filing | Apr 15, 2025 | SEC |
| Flynn James E | 13G | 6.17%4.89M shares | New | Aug 18, 20251 filing | Aug 18, 2025 | SEC |
| BC Global Opportunities IX LP | 13G | 5.50%4.37M shares | New | Sep 3, 20251 filing | Sep 3, 2025 | SEC |
| Sculptor Capital LP | 13G | 5.12%967.5K shares | New | Jul 24, 20251 filing | Jul 24, 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
19 Schedule 13D and 13G filings on BridgeBio Oncology Therapeutics, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Jul 6, 20264:37 PM ET | Chen Bihuaand 7 others | 13D/A | 22.32%17.9M shares | – | Jul 1, 2026 | SEC |
| Nov 14, 20254:09 PM ET | Citadel Advisors LLCand 6 others | 13G/A | 3.20%2.54M shares | –Below 5% | Sep 30, 2025 | SEC |
| Nov 13, 20259:02 AM ET | Adage Capital Management, L.P.and 2 others | 13G/A | 1.88%1.49M shares | –Below 5% | Sep 30, 2025 | SEC |
| Sep 3, 20253:05 PM ET | BC Global Opportunities IX LPand 3 others | 13G | 5.50%4.37M shares | New | Sep 4, 2025 | SEC |
| Aug 18, 20255:59 PM ET | Flynn James Eand 5 others | 13G | 6.17%4.89M shares | New | Aug 11, 2025 | SEC |
| Aug 18, 20255:41 PM ET | BridgeBio Pharma LLCand 1 other | 13D | 17.50%13.9M shares | New | Aug 11, 2025 | SEC |
| Aug 13, 20258:29 AM ET | Helix Holdings II LLCand 3 others | 13D/A | 22.60%17.9M shares | – | Aug 11, 2025 | SEC |
| Jul 30, 20254:15 PM ET | Integrated Core Strategies (US) LLCand 3 others | 13G/A | 4.70%897.3K shares | –Below 5% | Jun 30, 2025 | SEC |
| Jul 24, 20259:05 PM ET | Sculptor Capital LPand 6 others | 13G | 5.12%967.5K shares | New | Jul 17, 2025 | SEC |
| Apr 22, 202511:06 AM ET | BlackRock, Inc. | 13G/A | 0.00%0 shares | –Below 5% | Mar 31, 2025 | SEC |
| Apr 15, 20255:04 PM ET | BlackRock Portfolio Management LLC | 13G | 7.90%1.50M shares | New | Mar 31, 2025 | SEC |
| Mar 4, 20256:43 PM ET | Helix Holdings II LLCand 3 others | 13D/A | 31.59%7.39M shares | – | Feb 28, 2025 | SEC |
| Nov 14, 2024 | Price T Rowe Associates Inc | 13GOld format | – | New | – | SEC |
| Nov 8, 2024 | BlackRock, Inc. | 13GOld format | – | – | – | SEC |
| Oct 22, 2024 | BlackRock, Inc. | 13GOld format | – | New | – | SEC |
| Feb 23, 2024 | Citadel Advisors LLC | 13GOld format | – | New | – | SEC |
| Feb 23, 2024 | Adage Capital Partners GP, L.L.C. | 13GOld format | – | New | – | SEC |
| Feb 20, 2024 | Helix Holdings II LLC | 13DOld format | – | New | – | SEC |
| Feb 15, 2024 | Integrated Core Strategies (US) LLC | 13GOld format | – | New | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell BridgeBio Oncology Therapeutics, Inc. shares.
No Form 144 notices for BridgeBio Oncology Therapeutics, Inc. are on file.