AMBRX BIOPHARMA INC's ticker is AMAM and the CUSIP is 02290A102. A total of 33 filers reported holding AMBRX BIOPHARMA INC in Q1 2023. The put-call ratio across all filers is 0.15 and the average weighting 1.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $6,979,730 | +48.4% | 606,933 | +112.4% | 0.00% | +100.0% |
| Q2 2023 | $4,702,885 | +1703843.8% | 285,716 | +822.0% | 0.00% | – |
| Q1 2023 | $276 | +541.9% | 30,989 | +64.9% | 0.00% | – |
| Q4 2022 | $43 | -100.0% | 18,793 | -83.5% | 0.00% | – |
| Q3 2022 | $123,000 | -54.8% | 113,692 | +10.6% | 0.00% | – |
| Q2 2022 | $272,000 | -36.7% | 102,776 | -1.6% | 0.00% | – |
| Q1 2022 | $430,000 | -51.6% | 104,429 | +6.1% | 0.00% | – |
| Q4 2021 | $889,000 | -53.4% | 98,419 | -30.4% | 0.00% | -100.0% |
| Q3 2021 | $1,909,000 | -32.4% | 141,431 | -1.8% | 0.00% | -50.0% |
| Q2 2021 | $2,824,000 | – | 144,092 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Darwin Global Management, Ltd. | 16,688,636 | $191,919,314 | 67.54% |
| Cormorant Asset Management, LP | 9,923,689 | $114,122,424 | 6.66% |
| COMMODORE CAPITAL LP | 3,518,556 | $40,463,394 | 4.73% |
| Ally Bridge Group (NY) LLC | 281,089 | $3,232,524 | 3.79% |
| Paradigm Biocapital Advisors LP | 3,488,596 | $40,118,854 | 2.72% |
| VR Adviser, LLC | 2,070,000 | $23,805,000 | 2.51% |
| Ghost Tree Capital, LLC | 525,000 | $6,037,500 | 1.99% |
| HighVista Strategies LLC | 193,701 | $2,227,562 | 1.03% |
| Ikarian Capital, LLC | 4,932 | $5,671,800 | 0.68% |
| APIS CAPITAL ADVISORS, LLC | 34,000 | $391,000 | 0.51% |