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, Q4 2022
Institutional positions in Ambrx Biopharma, Inc. as of Dec 31, 2022. 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
- 18
- +2 vs. Q3 2022
- Shares held
- 17.9M
- +1.27M (+7.6%) vs. Q3 2022
- Total value
- $40.7M
- +$22.7M (+126.2%) vs. Q3 2022
- New holders
- 6
- 1 more added
- Sold out
- 4
- 8 more reduced
Compare with Q3 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, Q4 2022
Shares, value and share of portfolio for each institution holding Ambrx Biopharma, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Darwin Global Management, Ltd. | 7,584,489 | $17.2M | 10.72% | +7,584,489 | New |
| FMR LLC | 2,696,064 | $6.12M | 0.00% | −892,403−24.9% | Reduced |
| Cormorant Asset Management, LP | 2,336,389 | $5.30M | 0.36% | 00.0% | Unchanged |
| Artal Group S.A. | 2,152,291 | $4.89M | 0.28% | 00.0% | Unchanged |
| Fosun International Ltd | 1,932,591 | $4.39M | 0.39% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 1,027,291 | $2.33M | 0.01% | −1,000,000−49.3% | Reduced |
| Alpine Global Management, LLC | 46,723 | $106.0K | 0.04% | +46,723 | New |
| Susquehanna International Group, LLP | 37,521 | $85.2K | 0.00% | +18,301+95.2% | Added |
| Renaissance Technologies LLC | 32,500 | $74.0K | 0.00% | −31,500−49.2% | Reduced |
| National Asset Management, Inc. | 20,000 | $45.4K | 0.00% | +20,000 | New |
| Millennium Management LLC | 18,793 | $43.0K | 0.00% | −94,899−83.5% | Reduced |
| Cubist Systematic Strategies, LLC | 17,905 | $40.6K | 0.00% | +17,905 | New |
| Simplex Trading, LLC | 11,045 | $25.0K | 0.00% | +11,045 | New |
| Citadel Advisors LLC | 4,363 | $9.90K | 0.00% | −7,753−64.0% | Reduced |
| UBS Group AG | 3,044 | $6.91K | 0.00% | −4,923−61.8% | Reduced |
| Bank of America Corp | 100 | $227 | 0.00% | −1−1.0% | Reduced |
| Tower Research Capital LLC (TRC) | 3 | $0 | 0.00% | −39−92.9% | Reduced |
| Cutler Group LP | 436 | $0 | 0.00% | +436 | New |
| BlackRock Inc. | 0 | $0 | 0.00% | −2,851,433−100.0% | Sold out |
| Suvretta Capital Management, LLC | 0 | $0 | 0.00% | −1,491,832−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −42,453−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −16,315−100.0% | Sold out |