13F Insight
DOSSIER · 13F Holders · Q1 2026Communication Services · Communications Services, NEC
IRDM

IRIDIUM COMMUNICATIONS INC

421 institutions still hold IRIDIUM COMMUNICATIONS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 46269C102·Communications Services, NEC·421 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$1.7B
visible holders
Holders
421
filers reporting
Concentration
22.45%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

421 institutions reported IRDM in Q1 2026. BlackRock, Inc. leads at 22.4% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$387M13.9M0.01%Q1 202602
Vanguard Portfolio Management
CIK 0002100121· Index
$169M6.1M0.01%Q1 202603
Silver Heights Capital Management Inc
CIK 0001705712
$143M5.1M54.85%Q1 202604
STATE STREET CORP
CIK 0000093751
$140M5.1M0.00%Q1 202605
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$114M4.1M0.00%Q1 202606
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$96M3.5M0.05%Q1 202607
Gotham Asset Management, LLC
CIK 0001510387
$93M3.4M0.28%Q1 202608
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$81M2.9M0.04%Q1 202609
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$60M2.2M0.01%Q1 202610
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$56M2.0M0.00%Q1 202611
Man Group plc
CIK 0001637460
$53M1.9M0.10%Q1 202612
ARK Investment Management LLC
CIK 0001697748
$48M1.7M0.37%Q1 202613
MORGAN STANLEY
CIK 0000895421
$44M1.6M0.00%Q1 202614
VAN ECK ASSOCIATES CORP
CIK 0000869178
$42M1.5M0.03%Q1 202615
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$38M1.4M0.01%Q1 202616
UBS Group AG
CIK 0001610520
$36M1.3M0.01%Q1 202617
SCHRODER INVESTMENT MANAGEMENT GROUP
CIK 0001086619
$34M1.3M0.03%Q1 202618
Bank of New York Mellon Corp
CIK 0001390777
$32M1.2M0.01%Q1 202619
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$31M1.1M0.02%Q1 202620
BARCLAYS PLC
CIK 0000312069
$28M994K0.01%Q1 2026
Page 1 of 22
401 more holders available. Log in →
Insiders at IRIDIUM COMMUNICATIONS INC
Thoma Donald Lee →Shivanandan Monique S. →Yeaney Jacqueline E →Morgan Kathleen A. →Desch Matthew J →Scheimreif Scott →Last Timothy James →Kapalka Timothy →