Iridium Communications Inc.
IRDM- Exchange
- Nasdaq
- Industry
- Communications Services, NEC
- SEC CIK
- 0001418819
In the last 90 days, Iridium Communications Inc. insiders filed 0 open-market purchases and 8 sales; 484 institutions reported holding it in 13F filings for Q2 2026, worth $5.01B in total; ARK Invest is the only superinvestor holding it.
13F holders, Q1 2026
Institutional positions in Iridium Communications Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 382
- +63 vs. Q4 2025
- Shares held
- 90.3M
- +6.72M (+8.0%) vs. Q4 2025
- Total value
- $2.50B
- +$1.05B (+72.2%) vs. Q4 2025
- New holders
- 108
- 123 more added
- Sold out
- 45
- 102 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IRDM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 484 | $5.01B |
| Q1 2026 | 382 | $2.50B |
| Q4 2025 | 325 | $1.63B |
| Q3 2025 | 324 | $1.79B |
| Q2 2025 | 332 | $3.06B |
| Q1 2025 | 351 | $2.84B |
| Q4 2024 | 349 | $2.91B |
| Q3 2024 | 353 | $3.00B |
| Q2 2024 | 344 | $2.70B |
| Q1 2024 | 330 | $2.71B |
| Q4 2023 | 347 | $4.25B |
| Q3 2023 | 361 | $4.64B |
| Q2 2023 | 392 | $6.40B |
| Q1 2023 | 373 | $6.54B |
| Q4 2022 | 365 | $5.37B |
| Q3 2022 | 330 | $4.73B |
| Q2 2022 | 310 | $4.09B |
| Q1 2022 | 311 | $4.41B |
| Q4 2021 | 309 | $4.76B |
| Q3 2021 | 310 | $4.56B |
| Q2 2021 | 279 | $4.52B |
| Q1 2021 | 301 | $4.48B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Iridium Communications Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| WealthTrust Axiom LLC | 19,886 | $551.6K | 0.14% | −20,609−50.9% | Reduced |
| Alps Advisors Inc | 19,920 | $552.6K | 0.00% | +19,920 | New |
| Corsair Capital Management, L.P. | 20,000 | $554.8K | 0.08% | +20,000 | New |
| Toronto Dominion Bank | 20,223 | $561.0K | 0.00% | +3,199+18.8% | Added |
| AdvisorShares Investments LLC | 20,296 | $563.0K | 0.10% | −8,000−28.3% | Reduced |
| Groupe la Francaise | 20,438 | $567.0K | 0.01% | +20,438 | New |
| Maryland State Retirement & Pension System | 20,553 | $570.1K | 0.01% | +126+0.6% | Added |
| Royce & Associates LP | 20,912 | $580.1K | 0.01% | +20,912 | New |
| Virtu Financial LLC | 20,985 | $582.0K | 0.02% | −32,564−60.8% | Reduced |
| KLP Kapitalforvaltning AS | 21,000 | $582.5K | 0.00% | 00.0% | Unchanged |
| IFS Group,LLC | 22,128 | $613.8K | 0.55% | +22,128 | New |
| CBOE Vest Financial, LLC | 22,931 | $636.1K | 0.01% | −3,290−12.5% | Reduced |
| Macquarie Group Ltd | 23,158 | $642.4K | 0.00% | −21,389−48.0% | Reduced |
| Cullen Investment Group, Ltd. | 23,205 | $643.7K | 0.08% | −1,120−4.6% | Reduced |
| Commonwealth Equity Services, LLC | 23,493 | $651.7K | 0.00% | +2,093+9.8% | Added |
| Tudor Investment Corp Et Al | 23,907 | $663.2K | 0.00% | −642,139−96.4% | Reduced |
| Oregon Public Employees Retirement Fund | 24,000 | $665.8K | 0.01% | 00.0% | Unchanged |
| Harvest Fund Management Co., Ltd | 24,198 | $671.0K | 0.03% | +24,198 | New |
| Nomura Asset Management International Inc. | 24,357 | $676.0K | 0.00% | +24,357 | New |
| CWM Advisors, LLC | 24,418 | $677.4K | 0.04% | −84,747−77.6% | Reduced |
| Teachers Retirement System of the State of Kentucky | 24,521 | $680.0K | 0.01% | 00.0% | Unchanged |
| Envestnet Portfolio Solutions, Inc. | 24,795 | $687.8K | 0.00% | +24,795 | New |
| Acadian Asset Management LLC | 24,935 | $689.0K | 0.00% | −145,426−85.4% | Reduced |
| Marshall Wace, LLP | 24,896 | $690.6K | 0.00% | −123,940−83.3% | Reduced |
| HighTower Advisors, LLC | 24,971 | $692.7K | 0.00% | +6,455+34.9% | Added |
| First Citizens Bank & Trust Co | 25,728 | $713.7K | 0.02% | +25,728 | New |
| Arizona State Retirement System | 25,895 | $718.3K | 0.00% | −649−2.4% | Reduced |
| Davy Global Fund Management Ltd | 27,320 | $757.9K | 0.06% | +27,320 | New |
| Winton Group Ltd | 27,400 | $760.1K | 0.03% | −13,900−33.7% | Reduced |
| HSBC Holdings PLC | 27,510 | $768.5K | 0.00% | −16,848−38.0% | Reduced |
| Yousif Capital Management, LLC | 27,855 | $772.7K | 0.01% | −457−1.6% | Reduced |
| Amundi | 27,912 | $774.3K | 0.00% | −111,025−79.9% | Reduced |
| Horizon Investments, LLC | 28,584 | $792.9K | 0.01% | −6,752−19.1% | Reduced |
| Neuberger Berman Group LLC | 28,594 | $793.2K | 0.00% | +4,037+16.4% | Added |
| Wells Fargo & Company | 28,977 | $803.8K | 0.00% | −20,907−41.9% | Reduced |
| Public Employees Retirement System of Ohio | 29,236 | $811.0K | 0.00% | −635−2.1% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 29,424 | $816.2K | 0.00% | +6,658+29.2% | Added |
| Amalgamated Bank | 31,635 | $878.0K | 0.01% | −2,210−6.5% | Reduced |
| Hancock Whitney Corp | 24,829 | $970.1K | 0.02% | +2,375+10.6% | Added |
| Caisse de Depot Et Placement du Quebec | 35,600 | $987.5K | 0.00% | +35,600 | New |
| Jaffetilchin Investment Partners, LLC | 35,663 | $989.3K | 0.06% | −865−2.4% | Reduced |
| Royal Bank of Canada | 35,790 | $992.0K | 0.00% | +1,531+4.5% | Added |
| Susquehanna Portfolio Strategies, LLC | 36,089 | $1.00M | 0.01% | 00.0% | Unchanged |
| Walleye Trading LLC | 37,660 | $1.04M | 0.02% | +5,582+17.4% | Added |
| Harbor Capital Advisors, Inc. | 38,065 | $1.06M | 0.09% | +38,065 | New |
| Treasurer of the State of North Carolina | 39,332 | $1.09M | 0.00% | +838+2.2% | Added |
| Fifth Third Bancorp | 39,786 | $1.10M | 0.00% | +38,419+2,810.5% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 39,978 | $1.11M | 0.00% | +6,585+19.7% | Added |
| Canal Insurance CO | 40,000 | $1.11M | 0.24% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 40,446 | $1.12M | 0.01% | 00.0% | Unchanged |
| Ieq Capital, LLC | 41,420 | $1.15M | 0.01% | +41,420 | New |
| South Dakota Investment Council | 41,500 | $1.15M | 0.02% | +41,500 | New |
| Vanguard Global Advisers, LLC | 42,315 | $1.17M | 0.00% | +42,315 | New |
| Guidance Capital, Inc | 30,949 | $1.21M | 0.27% | +30,949 | New |
| Vontobel Holding Ltd. | 44,095 | $1.22M | 0.00% | +18,657+73.3% | Added |
| GWM Advisors LLC | 45,198 | $1.25M | 0.00% | +44,796+11,143.3% | Added |
| Louisiana State Employees Retirement System | 46,500 | $1.29M | 0.02% | −1,500−3.1% | Reduced |
| Canada Pension Plan Investment Board | 48,112 | $1.33M | 0.00% | −16,400−25.4% | Reduced |
| New York State Common Retirement Fund | 48,942 | $1.36M | 0.00% | +5,400+12.4% | Added |
| State of Tennessee, Treasury Department | 49,256 | $1.37M | 0.00% | +561+1.2% | Added |
| Janney Montgomery Scott LLC | 49,285 | $1.37M | 0.00% | −2,822−5.4% | Reduced |
| Mercer Global Advisors Inc | 49,294 | $1.37M | 0.00% | +38,186+343.8% | Added |
| LPL Financial LLC | 49,914 | $1.38M | 0.00% | +1,516+3.1% | Added |
| Mackenzie Financial Corp | 50,781 | $1.41M | 0.00% | +32,466+177.3% | Added |
| Voya Investment Management LLC | 51,398 | $1.43M | 0.00% | −62,075−54.7% | Reduced |
| Illinois Municipal Retirement Fund | 51,592 | $1.43M | 0.02% | +51,592 | New |
| State of Alaska, Department of Revenue | 51,810 | $1.44M | 0.02% | −1,524−2.9% | Reduced |
| Wedge Capital Management L L P | 52,804 | $1.46M | 0.03% | −9,575−15.3% | Reduced |
| Cerity Partners LLC | 55,130 | $1.53M | 0.00% | +55,130 | New |
| Worldquant Millennium Advisors LLC | 55,351 | $1.54M | 0.01% | −98,598−64.0% | Reduced |
| Walleye Capital LLC | 56,586 | $1.57M | 0.01% | +47,946+554.9% | Added |
| Pathstone Holdings, LLC | 58,279 | $1.62M | 0.01% | +5,188+9.8% | Added |
| CWM, LLC | 58,511 | $1.62M | 0.00% | +48,918+509.9% | Added |
| Quantinno Capital Management LP | 61,838 | $1.72M | 0.00% | +20,024+47.9% | Added |
| ExodusPoint Capital Management, LP | 62,450 | $1.73M | 0.02% | −46,794−42.8% | Reduced |
| Capital Fund Management S.A. | 63,259 | $1.75M | 0.02% | −315,316−83.3% | Reduced |
| Citadel Advisors LLC | 63,573 | $1.76M | 0.00% | −1,076,642−94.4% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 54,061 | $1.78M | 0.00% | +30,306+127.6% | Added |
| XTX Topco Ltd | 66,699 | $1.85M | 0.03% | +9,588+16.8% | Added |
| Sit Investment Associates Inc | 68,000 | $1.89M | 0.04% | 00.0% | Unchanged |
| Range Financial Group LLC | 68,634 | $1.90M | 0.64% | +68,634 | New |
| Vanguard Asset Management, Ltd | 69,459 | $1.93M | 0.00% | +69,459 | New |
| Vanguard Investments Australia, Ltd. | 71,253 | $1.98M | 0.01% | +71,253 | New |
| Skopos Labs, Inc. | 71,837 | $1.99M | 0.06% | +71,837 | New |
| Edgestream Partners, L.P. | 75,082 | $2.08M | 0.07% | +75,082 | New |
| SIH Partners, LLLP | 75,691 | $2.10M | 0.06% | +75,691 | New |
| State of Wisconsin Investment Board | 77,203 | $2.14M | 0.00% | −2,309−2.9% | Reduced |
| Thrivent Financial for Lutherans | 78,877 | $2.19M | 0.00% | −5,197−6.2% | Reduced |
| Creative Planning | 79,779 | $2.21M | 0.00% | +38,770+94.5% | Added |
| D. E. Shaw & Co., Inc. | 83,333 | $2.31M | 0.00% | +17,910+27.4% | Added |
| State Board of Administration of Florida Retirement System | 85,441 | $2.37M | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 88,790 | $2.46M | 0.00% | +49,034+123.3% | Added |
| Quadrature Capital Ltd | 89,685 | $2.49M | 0.03% | +89,685 | New |
| Price T Rowe Associates Inc | 95,799 | $2.66M | 0.00% | +5,889+6.5% | Added |
| Prudential Financial Inc | 96,254 | $2.67M | 0.00% | −450−0.5% | Reduced |
| Paralel Advisors LLC | 97,919 | $2.72M | 0.11% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 100,576 | $2.79M | 0.08% | +69,792+226.7% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 102,676 | $2.85M | 0.00% | +6,549+6.8% | Added |
| Great West Life Assurance Co | 103,589 | $2.88M | 0.01% | −2,166−2.0% | Reduced |
| Alliancebernstein L.P. | 168,896 | $2.94M | 0.00% | −183−0.1% | Reduced |