Ambrx Biopharma, Inc.
AMAMDelisted Mar 7, 2024- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001990550
Ambrx Biopharma, Inc. was delisted on Mar 7, 2024; its insiders filed their last Form 4 on Mar 7, 2024; 68 institutions reported holding it in 13F filings for Q4 2023, worth $912.7M in total; no superinvestor held it.
13F holders, Q1 2023
Institutional positions in Ambrx Biopharma, Inc. as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 30
- +12 vs. Q4 2022
- Shares held
- 37.1M
- +19.2M (+106.9%) vs. Q4 2022
- Total value
- $330.7M
- +$290.0M (+712.9%) vs. Q4 2022
- New holders
- 17
- 9 more added
- Sold out
- 5
- 4 more reduced
Compare with Q4 2022: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AMAM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 68 | $912.7M |
| Q3 2023 | 44 | $568.3M |
| Q2 2023 | 42 | $788.8M |
| Q1 2023 | 30 | $330.7M |
| Q4 2022 | 18 | $40.7M |
| Q3 2022 | 16 | $18.0M |
| Q2 2022 | 14 | $45.4M |
| Q1 2022 | 14 | $70.6M |
| Q4 2021 | 16 | $152.0M |
| Q3 2021 | 15 | $165.3M |
| Q2 2021 | 20 | $266.2M |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2023
Shares, value and share of portfolio for each institution holding Ambrx Biopharma, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Darwin Global Management, Ltd. | 11,304,573 | $100.8M | 27.58% | +3,720,084+49.0% | Added |
| Cormorant Asset Management, LP | 8,500,000 | $75.8M | 4.99% | +6,163,611+263.8% | Added |
| Commodore Capital LP | 4,803,447 | $42.8M | 6.52% | +4,803,447 | New |
| D. E. Shaw & Co., Inc. | 3,933,552 | $35.1M | 0.06% | +3,933,552 | New |
| VR Adviser, LLC | 3,298,577 | $29.4M | 5.74% | +3,298,577 | New |
| FMR LLC | 2,210,618 | $19.7M | 0.00% | −485,446−18.0% | Reduced |
| Citadel Advisors LLC | 707,133 | $6.31M | 0.01% | +702,770+16,107.5% | Added |
| Artal Group S.A. | 702,291 | $6.26M | 0.37% | −1,450,000−67.4% | Reduced |
| Farallon Capital Management, L.L.C. | 361,000 | $3.22M | 0.02% | +361,000 | New |
| Ghost Tree Capital, LLC | 250,000 | $2.23M | 0.84% | +250,000 | New |
| Fosun International Ltd | 249,190 | $2.22M | 0.21% | −1,683,401−87.1% | Reduced |
| Price T Rowe Associates Inc | 210,627 | $1.88M | 0.00% | +210,627 | New |
| Simplex Trading, LLC | 120,204 | $1.07M | 0.05% | +109,159+988.3% | Added |
| Susquehanna International Group, LLP | 81,446 | $726.5K | 0.00% | +43,925+117.1% | Added |
| Schonfeld Strategic Advisors LLC | 78,200 | $697.5K | 0.01% | +78,200 | New |
| Nomura Holdings Inc | 57,268 | $510.8K | 0.00% | +57,268 | New |
| UBS Group AG | 56,868 | $507.3K | 0.00% | +53,824+1,768.2% | Added |
| Manufacturers Life Insurance Company, The | 29,523 | $262.2K | 0.00% | +29,523 | New |
| Tower Research Capital LLC (TRC) | 20,440 | $182.0K | 0.01% | +20,437+681,233.3% | Added |
| ExodusPoint Capital Management, LP | 19,497 | $174.0K | 0.00% | +19,497 | New |
| Squarepoint Ops LLC | 17,511 | $156.2K | 0.00% | +17,511 | New |
| Belvedere Trading LLC | 16,808 | $149.9K | 0.07% | +16,808 | New |
| TD Asset Management Inc | 13,900 | $124.0K | 0.00% | +13,900 | New |
| Tocqueville Asset Management L.P. | 12,500 | $111.5K | 0.00% | +12,500 | New |
| Millennium Management LLC | 10,989 | $98.0K | 0.00% | −7,804−41.5% | Reduced |
| Group One Trading, L.P. | 3,345 | $29.8K | 0.00% | +3,345 | New |
| Cutler Group LP | 3,100 | $27.0K | 0.00% | +2,664+611.0% | Added |
| Bank of America Corp | 104 | $928 | 0.00% | +4+4.0% | Added |
| BerganKDV Wealth Management, LLC | 100 | $892 | 0.00% | +100 | New |
| Morgan Stanley | 42 | $375 | 0.00% | +42 | New |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −1,027,291−100.0% | Sold out |
| Alpine Global Management, LLC | 0 | $0 | 0.00% | −46,723−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −32,500−100.0% | Sold out |
| National Asset Management, Inc. | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −17,905−100.0% | Sold out |