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Livermore
Livermore
ZHEN

First Manhattan Co

SEC CIK
0000728083
Latest filing
Aug 14, 2026

ACGL holding history

Arch Capital Group Ltd. 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.

ACGL overviewAll 13F holders of ACGLFull Q2 2026 holdings

Shares (Q2 2026)
9,490
Value
$921.1K
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of ACGL by First Manhattan Co, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20269,490$921.1K<0.1%00.0%UnchangedHolders
Q1 20269,490$910.9K<0.1%00.0%UnchangedHolders
Q4 20259,490$910.3K<0.1%+34+0.4%AddedHolders
Q3 20259,456$857.9K<0.1%00.0%UnchangedHolders
Q2 20259,456$861.0K<0.1%00.0%UnchangedHolders
Q1 20259,456$909.5K<0.1%+3,598+61.4%AddedHolders
Q4 20245,858$541.0K<0.1%+152+2.7%AddedHolders
Q3 20245,706$638.4K<0.1%00.0%UnchangedHolders
Q2 20245,706$575.7K<0.1%00.0%UnchangedHolders
Q1 20245,706$527.5K<0.1%−3−0.1%ReducedHolders
Q4 20235,709$424.0K<0.1%+3+0.1%AddedHolders
Q3 20235,706$454.8K<0.1%00.0%UnchangedHolders
Q2 20235,706$427.1K<0.1%00.0%UnchangedHolders
Q1 20235,706$387.3K<0.1%−1,050−15.5%ReducedHolders
Q4 20226,756$424.1K<0.1%00.0%UnchangedHolders
Q3 20226,756$307.0K<0.1%00.0%UnchangedHolders
Q2 20226,756$307.0K<0.1%00.0%UnchangedHolders
Q1 20226,756$327.0K<0.1%+3,825+130.5%AddedHolders
Q4 20212,931$130.0K<0.1%00.0%UnchangedHolders
Q3 20212,931$111.0K<0.1%00.0%UnchangedHolders
Q2 20212,931$114.0K<0.1%−649−18.1%ReducedHolders
Q1 20213,580$137.0K<0.1%––Holders

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