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 2023
Institutional positions in Ambrx Biopharma, Inc. as of Dec 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
- 68
- +25 vs. Q3 2023
- Shares held
- 64.1M
- +14.7M (+29.8%) vs. Q3 2023
- Total value
- $912.7M
- +$344.7M (+60.7%) vs. Q3 2023
- New holders
- 34
- 19 more added
- Sold out
- 9
- 13 more reduced
1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Ambrx Biopharma, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Daiwa Securities Group Inc. | 258 | $4.00K | 0.00% | +258 | New |
| US Bancorp | 906 | $12.9K | 0.00% | −112−11.0% | Reduced |
| GAMMA Investing LLC | 491 | $13.7K | 0.00% | +491 | New |
| Cutler Group LP | 2,380 | $33.0K | 0.00% | −420−15.0% | Reduced |
| UBS Group AG | 3,840 | $54.7K | 0.00% | −1,734−31.1% | Reduced |
| Tower Research Capital LLC (TRC) | 5,614 | $79.9K | 0.00% | +5,379+2,288.9% | Added |
| Virtus ETF Advisers LLC | 6,878 | $97.9K | 0.06% | +85+1.3% | Added |
| China Universal Asset Management Co., Ltd. | 7,303 | $104.0K | 0.02% | +7,303 | New |
| Simplex Trading, LLC | 7,657 | $109.0K | 0.00% | −60,894−88.8% | Reduced |
| Mirabella Financial Services LLP | 10,040 | $143.0K | 0.02% | +10,040 | New |
| Tudor Investment Corp Et Al | 10,800 | $153.8K | 0.00% | +10,800 | New |
| JPMorgan Chase & Co | 12,312 | $175.3K | 0.00% | +12,312 | New |
| Engineers Gate Manager LP | 12,388 | $176.4K | 0.01% | +12,388 | New |
| Old Well Partners, LLC | 14,400 | $205.1K | 0.19% | +14,400 | New |
| Squarepoint Ops LLC | 15,470 | $220.3K | 0.00% | −6,662−30.1% | Reduced |
| Bayesian Capital Management, LP | 15,804 | $225.0K | 0.02% | +15,804 | New |
| Citigroup Inc | 18,774 | $267.3K | 0.00% | +18,774 | New |
| Virtu Financial LLC | 20,386 | $290.0K | 0.02% | +20,386 | New |
| Morgan Stanley | 25,276 | $359.9K | 0.00% | +705+2.9% | Added |
| Fred Alger Management, LLC | 32,886 | $468.3K | 0.00% | +32,886 | New |
| Bank of America Corp | 36,733 | $523.1K | 0.00% | +36,233+7,246.6% | Added |
| Sierra Summit Advisors LLC | 37,237 | $530.3K | 0.15% | +37,237 | New |
| Altitude Crest Partners Inc. | 43,100 | $613.7K | 0.41% | +43,100 | New |
| Susquehanna International Group, LLP | 49,203 | $700.7K | 0.00% | +49,203 | New |
| State Street Corp | 50,015 | $712.2K | 0.00% | −385−0.8% | Reduced |
| Saturn V Capital Management LLC | 52,781 | $751.6K | 0.29% | +52,781 | New |
| Nwi Management LP | 53,645 | $764.0K | 0.15% | −107,290−66.7% | Reduced |
| Renaissance Technologies LLC | 53,900 | $768.0K | 0.00% | +53,900 | New |
| HealthInvest Partners AB | 57,847 | $823.7K | 0.64% | +57,847 | New |
| Connective Capital Management, LLC | 58,189 | $828.6K | 0.70% | +58,189 | New |
| Royal Bank of Canada | 70,094 | $998.0K | 0.00% | +63,594+978.4% | Added |
| Manufacturers Life Insurance Company, The | 77,472 | $1.10M | 0.00% | +18,190+30.7% | Added |
| Perceptive Advisors LLC | 78,811 | $1.12M | 0.03% | +78,811 | New |
| Geode Capital Management, LLC | 81,157 | $1.16M | 0.00% | +31,017+61.9% | Added |
| Parkman Healthcare Partners LLC | 87,678 | $1.25M | 0.18% | −62,322−41.5% | Reduced |
| Lighthouse Investment Partners, LLC | 88,925 | $1.27M | 0.09% | +88,925 | New |
| StemPoint Capital LP | 126,101 | $1.80M | 0.48% | +126,101 | New |
| TD Asset Management Inc | 140,256 | $2.00M | 0.00% | +29,800+27.0% | Added |
| ExodusPoint Capital Management, LP | 140,842 | $2.01M | 0.02% | −352,551−71.5% | Reduced |
| Barclays PLC | 199,950 | $2.85M | 0.00% | +199,950 | New |
| HighVista Strategies LLC | 203,122 | $2.89M | 1.05% | +9,421+4.9% | Added |
| Monashee Investment Management LLC | 207,500 | $2.95M | 0.52% | +137,500+196.4% | Added |
| Alliancebernstein L.P. | 258,364 | $3.68M | 0.00% | +211,068+446.3% | Added |
| Schonfeld Strategic Advisors LLC | 263,743 | $3.76M | 0.03% | +263,743 | New |
| Jane Street Group, LLC | 295,642 | $4.21M | 0.01% | +295,642 | New |
| OrbiMed Advisors LLC | 296,000 | $4.22M | 0.08% | +296,000 | New |
| Macquarie Group Ltd | 300,000 | $4.27M | 0.00% | +50,000+20.0% | Added |
| Federated Hermes, Inc. | 330,949 | $4.71M | 0.01% | −2,064,918−86.2% | Reduced |
| Ally Bridge Group (NY) LLC | 385,383 | $5.49M | 3.95% | +104,294+37.1% | Added |
| Goldman Sachs Group Inc | 399,648 | $5.69M | 0.00% | +399,648 | New |
| Millennium Management LLC | 432,709 | $6.16M | 0.01% | −31,924−6.9% | Reduced |
| Ghost Tree Capital, LLC | 475,000 | $6.76M | 3.89% | −50,000−9.5% | Reduced |
| BlackRock Inc. | 501,604 | $7.14M | 0.00% | +501,604 | New |
| WuXi AppTec Co., Ltd. | 1,000,000 | $14.2M | 36.92% | +1,000,000 | New |
| Price T Rowe Associates Inc | 1,084,247 | $15.4M | 0.00% | +262,683+32.0% | Added |
| Woodline Partners LP | 1,255,148 | $17.9M | 0.19% | +1,255,148 | New |
| Vanguard Group Inc | 1,399,642 | $19.9M | 0.00% | +1,399,642 | New |
| FMR LLC | 1,474,258 | $21.0M | 0.00% | −286,800−16.3% | Reduced |
| Citadel Advisors LLC | 2,042,212 | $29.1M | 0.03% | +1,273,387+165.6% | Added |
| VR Adviser, LLC | 2,070,000 | $29.5M | 2.02% | 00.0% | Unchanged |
| Logos Global Management LP | 2,100,000 | $29.9M | 3.33% | +1,985,000+1,726.1% | Added |
| Balyasny Asset Management LLC | 2,154,700 | $30.7M | 0.09% | +2,154,700 | New |
| Nextech Invest AG | 3,129,300 | $44.6M | 8.30% | +3,129,300 | New |
| Deep Track Capital, LP | 3,710,412 | $52.8M | 1.85% | +3,710,412 | New |
| D. E. Shaw & Co., Inc. | 4,240,486 | $60.4M | 0.09% | +235,973+5.9% | Added |
| Paradigm Biocapital Advisors LP | 4,352,689 | $62.0M | 2.90% | +864,093+24.8% | Added |
| Cormorant Asset Management, LP | 11,231,000 | $159.9M | 7.66% | +1,307,311+13.2% | Added |
| Darwin Global Management, Ltd. | 16,688,636 | $237.6M | 46.64% | 00.0% | Unchanged |
| Commodore Capital LP | 0 | $0 | 0.00% | −3,518,556−100.0% | Sold out |
| Holocene Advisors, LP | 0 | $0 | 0.00% | −486,562−100.0% | Sold out |
| First Manhattan Co | 0 | $0 | 0.00% | −135,003−100.0% | Sold out |
| Bank of New York Mellon Corp | 0 | $0 | 0.00% | −47,433−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −45,531−100.0% | Sold out |
| Apis Capital Advisors, LLC | 0 | $0 | 0.00% | −34,000−100.0% | Sold out |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 0 | $0 | 0.00% | −31,735−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −2,155−100.0% | Sold out |
| Legal & General Group Plc | 0 | $0 | 0.00% | −1,381−100.0% | Sold out |
| Innovis Asset Management LLC | – | – | – | – | Not filed |