Skip to main content

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.

Institutional holdersQ1 2023: 30 institutions
Q1 2021: 0 institutionsQ2 2021: 20 institutionsQ3 2021: 15 institutionsQ4 2021: 16 institutionsQ1 2022: 14 institutionsQ2 2022: 14 institutionsQ3 2022: 16 institutionsQ4 2022: 18 institutionsQ1 2023: 30 institutionsQ2 2023: 42 institutionsQ3 2023: 44 institutionsQ4 2023: 68 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 0 institutionsQ4 2025: 0 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ1 2023: $330.7M
Q1 2021: $0Q2 2021: $266.2MQ3 2021: $165.3MQ4 2021: $152.0MQ1 2022: $70.6MQ2 2022: $45.4MQ3 2022: $18.0MQ4 2022: $40.7MQ1 2023: $330.7MQ2 2023: $788.8MQ3 2023: $568.3MQ4 2023: $912.7MQ1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $0Q4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding AMAM and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20250$0
Q3 20250$0
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 202368$912.7M
Q3 202344$568.3M
Q2 202342$788.8M
Q1 202330$330.7M
Q4 202218$40.7M
Q3 202216$18.0M
Q2 202214$45.4M
Q1 202214$70.6M
Q4 202116$152.0M
Q3 202115$165.3M
Q2 202120$266.2M
Q1 20210$0

Institutions, Q1 2023

Shares, value and share of portfolio for each institution holding Ambrx Biopharma, Inc.; share changes are against Q4 2022.

Institutions holding AMAM in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Morgan Stanley42$3750.00%+42New
BerganKDV Wealth Management, LLC100$8920.00%+100New
Bank of America Corp104$9280.00%+4+4.0%Added
Cutler Group LP3,100$27.0K0.00%+2,664+611.0%Added
Group One Trading, L.P.3,345$29.8K0.00%+3,345New
Millennium Management LLC10,989$98.0K0.00%−7,804−41.5%Reduced
Tocqueville Asset Management L.P.12,500$111.5K0.00%+12,500New
TD Asset Management Inc13,900$124.0K0.00%+13,900New
Belvedere Trading LLC16,808$149.9K0.07%+16,808New
Squarepoint Ops LLC17,511$156.2K0.00%+17,511New
ExodusPoint Capital Management, LP19,497$174.0K0.00%+19,497New
Tower Research Capital LLC (TRC)20,440$182.0K0.01%+20,437+681,233.3%Added
Manufacturers Life Insurance Company, The29,523$262.2K0.00%+29,523New
UBS Group AG56,868$507.3K0.00%+53,824+1,768.2%Added
Nomura Holdings Inc57,268$510.8K0.00%+57,268New
Schonfeld Strategic Advisors LLC78,200$697.5K0.01%+78,200New
Susquehanna International Group, LLP81,446$726.5K0.00%+43,925+117.1%Added
Simplex Trading, LLC120,204$1.07M0.05%+109,159+988.3%Added
Price T Rowe Associates Inc210,627$1.88M0.00%+210,627New
Fosun International Ltd249,190$2.22M0.21%−1,683,401−87.1%Reduced
Ghost Tree Capital, LLC250,000$2.23M0.84%+250,000New
Farallon Capital Management, L.L.C.361,000$3.22M0.02%+361,000New
Artal Group S.A.702,291$6.26M0.37%−1,450,000−67.4%Reduced
Citadel Advisors LLC707,133$6.31M0.01%+702,770+16,107.5%Added
FMR LLC2,210,618$19.7M0.00%−485,446−18.0%Reduced
VR Adviser, LLC3,298,577$29.4M5.74%+3,298,577New
D. E. Shaw & Co., Inc.3,933,552$35.1M0.06%+3,933,552New
Commodore Capital LP4,803,447$42.8M6.52%+4,803,447New
Cormorant Asset Management, LP8,500,000$75.8M4.99%+6,163,611+263.8%Added
Darwin Global Management, Ltd.11,304,573$100.8M27.58%+3,720,084+49.0%Added
Adage Capital Partners GP, L.L.C.0$00.00%−1,027,291−100.0%Sold out
Alpine Global Management, LLC0$00.00%−46,723−100.0%Sold out
Renaissance Technologies LLC0$00.00%−32,500−100.0%Sold out
National Asset Management, Inc.0$00.00%−20,000−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−17,905−100.0%Sold out