Skip to main content
Livermore
Livermore
ZHEN

D. E. Shaw & Co., Inc.

SEC CIK
0001009207
Latest filing
Aug 14, 2026

IRDM holding history

Iridium Communications Inc. in every 13F filed by D. E. Shaw & Co., Inc., 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 (Q2 2026)
39,103
Value
$2.14M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of IRDM by D. E. Shaw & Co., Inc., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202639,103$2.14M<0.1%−44,230−53.1%ReducedHolders
Q1 202683,333$2.31M<0.1%+17,910+27.4%AddedHolders
Q4 202565,423$1.14M<0.1%+13,561+26.1%AddedHolders
Q3 202551,862$905.5K<0.1%+15,849+44.0%AddedHolders
Q2 202536,013$1.09M<0.1%−182,850−83.5%ReducedHolders
Q1 2025218,863$5.98M<0.1%−250,819−53.4%ReducedHolders
Q4 2024469,682$13.6M<0.1%−277,874−37.2%ReducedHolders
Q3 2024747,556$22.8M<0.1%−172,130−18.7%ReducedHolders
Q2 2024919,686$24.5M<0.1%−894,876−49.3%ReducedHolders
Q1 20241,814,562$47.5M0.1%+837,502+85.7%AddedHolders
Q4 2023977,060$40.2M0.1%+422,966+76.3%AddedHolders
Q3 2023554,094$25.2M<0.1%−319,408−36.6%ReducedHolders
Q2 2023873,502$54.3M0.1%+351,128+67.2%AddedHolders
Q1 2023522,374$32.4M0.1%−33,243−6.0%ReducedHolders
Q4 2022555,617$28.6M<0.1%−206,292−27.1%ReducedHolders
Q3 2022761,909$33.8M0.1%−101,655−11.8%ReducedHolders
Q2 2022863,564$32.4M0.1%−16,555−1.9%ReducedHolders
Q1 2022880,119$35.5M<0.1%+539,174+158.1%AddedHolders
Q4 2021340,945$14.1M<0.1%−128,507−27.4%ReducedHolders
Q3 2021469,452$18.7M<0.1%+259,921+124.0%AddedHolders
Q2 2021209,531$8.38M<0.1%+70,801+51.0%AddedHolders
Q1 2021138,730$5.72M<0.1%––Holders

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