Vault-13

AMBRX BIOPHARMA INC

COM · CUSIP 641871108

0 institutional holders -68 vs Q4 2023
—reported value*
0 new 0 added 0 reduced 68 sold out net sold ≈ $912.6m (-64.1m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable.

Trends to Q1 2024

Institutional holders

Managers reporting a position, each quarter

0255075Q4 23: 68Q1 24: 00Q4 23Q1 24
Numbers
QuarterHolders
Q4 202368
Q1 20240

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$2m$4m$6mQ2 23 calls: $0Q2 23 puts: $0Q2 23P/C —Q3 23 calls: $0Q3 23 puts: $0Q3 23P/C —Q4 23 calls: $4.7mQ4 23 puts: $3.7mQ4 23P/C 0.79Q1 24 calls: $0Q1 24 puts: $0Q1 24P/C —
Numbers
QuarterCallsPutsP/C
Q2 2023$0$0—
Q3 2023$0$0—
Q4 2023$4.7m$3.7m0.79
Q1 2024$0$0—

Biggest buyers

None

Biggest sellers

Darwin Global Management, Ltd. Sold out -16,688,636-16.7m
Cormorant Asset Management, LP Sold out -11,231,000-11.2m
Paradigm Biocapital Advisors LP Sold out -4,352,689-4.4m
D. E. Shaw & Co., Inc. Sold out -4,240,486-4.2m
Deep Track Capital, LP Sold out -3,710,412-3.7m
Nextech Invest Ltd. Sold out -3,129,300-3.1m
Balyasny Asset Management L.P. Sold out -2,154,700-2.2m
Logos Global Management LP Sold out -2,100,000-2.1m
Venrock Adviser, LLC Sold out -2,070,000-2.1m
CITADEL ADVISORS LLC Sold out -2,042,212-2.0m

Holders, Q1 2024

#ManagerLocationShares Value% of their portfolioChangeShares change