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First Manhattan Co

SEC CIK
0000728083
Latest filing
Aug 14, 2026

IRDM holding history

Iridium Communications 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.

IRDM overviewAll 13F holders of IRDMFull Q2 2026 holdings

Shares (Q4 2023)
0
Sold out in Q4 2023
Value
$0
% of portfolio
0.0%
Quarters held
3
Since Q3 2021
Holdings of IRDM by First Manhattan Co, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q4 20230$00.0%−9−100.0%Sold outHolders
Q3 20239$409<0.1%+9NewHolders
Q1 20220$00.0%−23−100.0%Sold outHolders
Q4 202123$00.0%00.0%UnchangedHolders
Q3 202123$00.0%+23NewHolders