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First Manhattan Co

SEC CIK
0000728083
Latest filing
Aug 14, 2026

ARWR holding history

Arrowhead Pharmaceuticals, Inc. in every 13F filed by First Manhattan Co, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ARWR overviewAll 13F holders of ARWRFull Q2 2026 holdings

Shares (Q1 2024)
0
Sold out in Q1 2024
Value
$0
% of portfolio
0.0%
Quarters held
12
Since Q1 2021
Holdings of ARWR by First Manhattan Co, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q1 20240$00.0%−743,721−100.0%Sold outHolders
Q4 2023743,721$22.8M0.1%−355,433−32.3%ReducedHolders
Q3 20231,099,154$29.5M0.1%00.0%UnchangedHolders
Q2 20231,099,154$39.2M0.1%+73,500+7.2%AddedHolders
Q1 20231,025,654$26.1M0.1%00.0%UnchangedHolders
Q4 20221,025,654$41.6M0.2%−79,933−7.2%ReducedHolders
Q3 20221,105,587$36.5M0.2%−1,075−0.1%ReducedHolders
Q2 20221,106,662$39.0M0.2%−21,400−1.9%ReducedHolders
Q1 20221,128,062$51.9M0.2%00.0%UnchangedHolders
Q4 20211,128,062$74.8M0.2%−2,301−0.2%ReducedHolders
Q3 20211,130,363$70.6M0.3%−3,200−0.3%ReducedHolders
Q2 20211,133,563$93.9M0.3%+3170.0%AddedHolders
Q1 20211,133,246$75.1M0.3%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.