IRDMIridium Communications Inc.

$47.19

Who owns IRDM

371 institutions reported holding IRDM for 2026Q1, together 83% of the company, more than the 321 a quarter earlier.

371

Institutions reporting a position · as of 2026Q1 · up from 321 the quarter before

Shares held by institutions
88.9M

Shares held by institutions · 83% of the company · long US equity positions only, as reported on Form 13F

Reported value
$2.46B

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
36%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
52
New positions
98
Positions exited
54
Added to
113
Reduced
93
Top 10 holdersof the company
48%
Institutional ownership by quarter, 2013Q2 to 2026Q1
QuarterFilersSharesReported value
2026Q137188.9M$2.46B
2025Q432193.7M$1.63B
2025Q3319101.0M$1.78B
2025Q2327101.2M$3.05B
2025Q1348103.8M$2.84B
2024Q434599.9M$2.90B
2024Q334898.1M$3.00B
2024Q2339101.2M$2.69B
2024Q1323103.4M$2.71B
2023Q4337103.1M$4.24B
2023Q3355101.1M$4.60B
2023Q2385103.0M$6.40B
2023Q1366105.2M$6.51B
2022Q4361104.2M$5.36B
2022Q3327106.6M$4.73B
2022Q2304108.3M$4.06B
Largest reported holders, 2026Q1
HolderShares% of companyValue
BlackRock Inc.13.9M13%$387M
VANGUARD GROUP INC11.0M10%$306M
Silver Heights Capital Management Inc5.1M4.8%$143M
STATE STREET CORP5.1M4.7%$140M
AMERICAN CENTURY COMPANIES INC3.5M3.3%$96M
Gotham Asset Management, LLC3.4M3.1%$93M
AQR CAPITAL MANAGEMENT LLC2.9M2.7%$81M
DIMENSIONAL FUND ADVISORS LP2.2M2.0%$60M
GEODE CAPITAL MANAGEMENT LLC2.0M1.9%$56M
Man Group plc1.9M1.8%$53M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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