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, Q3 2023
Institutional positions in Ambrx Biopharma, Inc. as of Sep 30, 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
- 44
- +3 vs. Q2 2023
- Shares held
- 49.4M
- +1.50M (+3.1%) vs. Q2 2023
- Total value
- $568.3M
- −$220.5M (−28.0%) vs. Q2 2023
- New holders
- 16
- 17 more added
- Sold out
- 13
- 7 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding Ambrx Biopharma, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Darwin Global Management, Ltd. | 16,688,636 | $191.9M | 67.54% | 00.0% | Unchanged |
| Cormorant Asset Management, LP | 9,923,689 | $114.1M | 6.66% | +307,534+3.2% | Added |
| D. E. Shaw & Co., Inc. | 4,004,513 | $46.1M | 0.08% | −11,395−0.3% | Reduced |
| Commodore Capital LP | 3,518,556 | $40.5M | 4.73% | +343,556+10.8% | Added |
| Paradigm Biocapital Advisors LP | 3,488,596 | $40.1M | 2.74% | +1,838,097+111.4% | Added |
| Federated Hermes, Inc. | 2,395,867 | $27.6M | 0.07% | +2,395,867 | New |
| VR Adviser, LLC | 2,070,000 | $23.8M | 2.51% | −414,960−16.7% | Reduced |
| FMR LLC | 1,761,058 | $20.3M | 0.00% | −449,560−20.3% | Reduced |
| Price T Rowe Associates Inc | 821,564 | $9.45M | 0.00% | −107,753−11.6% | Reduced |
| Citadel Advisors LLC | 768,825 | $8.84M | 0.01% | +41,803+5.7% | Added |
| Ghost Tree Capital, LLC | 525,000 | $6.04M | 2.92% | +286,775+120.4% | Added |
| ExodusPoint Capital Management, LP | 493,393 | $5.67M | 0.07% | +15,835+3.3% | Added |
| Holocene Advisors, LP | 486,562 | $5.60M | 0.02% | −427,192−46.8% | Reduced |
| Millennium Management LLC | 464,633 | $5.34M | 0.01% | +178,917+62.6% | Added |
| Ally Bridge Group (NY) LLC | 281,089 | $3.23M | 3.79% | +281,089 | New |
| Macquarie Group Ltd | 250,000 | $2.88M | 0.00% | +250,000 | New |
| HighVista Strategies LLC | 193,701 | $2.23M | 1.03% | +40,270+26.2% | Added |
| Nwi Management LP | 160,935 | $1.85M | 0.32% | +160,935 | New |
| Parkman Healthcare Partners LLC | 150,000 | $1.73M | 0.32% | +150,000 | New |
| First Manhattan Co | 135,003 | $1.55M | 0.01% | 00.0% | Unchanged |
| Logos Global Management LP | 115,000 | $1.32M | 0.19% | +115,000 | New |
| TD Asset Management Inc | 110,456 | $1.27M | 0.00% | +46,728+73.3% | Added |
| Monashee Investment Management LLC | 70,000 | $805.0K | 0.34% | +70,000 | New |
| Simplex Trading, LLC | 68,551 | $788.0K | 0.03% | +61,917+933.3% | Added |
| Manufacturers Life Insurance Company, The | 59,282 | $681.7K | 0.00% | +85+0.1% | Added |
| State Street Corp | 50,400 | $579.6K | 0.00% | +50,400 | New |
| Geode Capital Management, LLC | 50,140 | $576.6K | 0.00% | +10,702+27.1% | Added |
| Bank of New York Mellon Corp | 47,433 | $545.5K | 0.00% | +47,433 | New |
| Alliancebernstein L.P. | 47,296 | $543.9K | 0.00% | +47,296 | New |
| Alps Advisors Inc | 45,531 | $523.6K | 0.00% | +4,933+12.2% | Added |
| Apis Capital Advisors, LLC | 34,000 | $391.0K | 0.51% | 00.0% | Unchanged |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 31,735 | $365.0K | 0.01% | +31,735 | New |
| Innovis Asset Management LLC | 31,137 | $358.1K | 0.14% | +14,311+85.1% | Added |
| Morgan Stanley | 24,571 | $282.6K | 0.00% | +21,501+700.4% | Added |
| Squarepoint Ops LLC | 22,132 | $254.5K | 0.00% | +5,652+34.3% | Added |
| Virtus ETF Advisers LLC | 6,793 | $78.1K | 0.05% | −675−9.0% | Reduced |
| Royal Bank of Canada | 6,500 | $75.0K | 0.00% | +6,500 | New |
| UBS Group AG | 5,574 | $64.1K | 0.00% | +5,574 | New |
| Cutler Group LP | 2,800 | $32.0K | 0.01% | +1,000+55.6% | Added |
| Group One Trading, L.P. | 2,155 | $24.8K | 0.00% | +2,155 | New |
| Legal & General Group Plc | 1,381 | $15.9K | 0.00% | +1,381 | New |
| US Bancorp | 1,018 | $11.7K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 500 | $5.75K | 0.00% | −58−10.4% | Reduced |
| Tower Research Capital LLC (TRC) | 235 | $2.70K | 0.00% | +235 | New |
| Farallon Capital Management, L.L.C. | 0 | $0 | 0.00% | −2,269,000−100.0% | Sold out |
| Artal Group S.A. | 0 | $0 | 0.00% | −702,291−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −349,938−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −157,858−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −144,400−100.0% | Sold out |
| Silverarc Capital Management, LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −98,600−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −51,290−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −17,538−100.0% | Sold out |
| Belvedere Trading LLC | 0 | $0 | 0.00% | −13,872−100.0% | Sold out |
| QP Wealth Management, LLC | 0 | $0 | 0.00% | −12,670−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −9,830−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| BerganKDV Wealth Management, LLC | – | – | – | – | Not filed |