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; 483 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 2025
Institutional positions in Iridium Communications Inc. as of Mar 31, 2025. 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
- 351
- +5 vs. Q4 2024
- Shares held
- 104.0M
- +4.41M (+4.4%) vs. Q4 2024
- Total value
- $2.84B
- −$48.9M (−1.7%) vs. Q4 2024
- New holders
- 51
- 137 more added
- Sold out
- 46
- 120 more reduced
3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 | 483 | $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 2025
Shares, value and share of portfolio for each institution holding Iridium Communications Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 11,522,163 | $314.8M | 0.01% | −1,183,667−9.3% | Reduced |
| Vanguard Group Inc | 9,837,714 | $268.8M | 0.00% | −973,870−9.0% | Reduced |
| Bamco Inc | 9,271,284 | $253.3M | 0.74% | −1,498,093−13.9% | Reduced |
| ARK Investment Management LLCSuperinvestorARK Invest | 4,891,677 | $133.6M | 1.34% | +2,383,962+95.1% | Added |
| State Street Corp | 4,455,603 | $121.7M | 0.01% | +72,154+1.6% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 3,893,145 | $106.4M | 0.08% | +1,064,093+37.6% | Added |
| Nikko Asset Management Americas, Inc. | 3,889,045 | $106.2M | 1.37% | +1,061,465+37.5% | Added |
| Silver Heights Capital Management Inc | 3,726,863 | $101.8M | 46.26% | +11,392+0.3% | Added |
| Van Berkom & Associates Inc. | 2,885,345 | $78.8M | 2.53% | −286,605−9.0% | Reduced |
| Dimensional Fund Advisors LP | 2,516,469 | $68.7M | 0.02% | +454,403+22.0% | Added |
| American Century Companies Inc | 2,198,343 | $60.1M | 0.04% | +462,501+26.6% | Added |
| Morgan Stanley | 2,188,488 | $59.8M | 0.00% | +304,488+16.2% | Added |
| Schroder Investment Management Group | 2,120,845 | $58.4M | 0.06% | −92,667−4.2% | Reduced |
| Geode Capital Management, LLC | 2,020,610 | $55.2M | 0.00% | +13,889+0.7% | Added |
| Price T Rowe Associates Inc | 1,945,852 | $53.2M | 0.01% | +234,813+13.7% | Added |
| Northern Trust Corp | 1,719,684 | $47.0M | 0.01% | −107,727−5.9% | Reduced |
| ArrowMark Colorado Holdings LLC | 1,572,402 | $43.0M | 0.70% | −515,651−24.7% | Reduced |
| Millennium Management LLC | 1,447,889 | $39.6M | 0.04% | +653,201+82.2% | Added |
| Bank of New York Mellon Corp | 1,287,755 | $35.2M | 0.01% | −9,921−0.8% | Reduced |
| Charles Schwab Investment Management Inc | 1,082,279 | $29.6M | 0.01% | −10,944−1.0% | Reduced |
| Pacer Advisors, Inc. | 1,026,681 | $28.0M | 0.07% | +285,104+38.4% | Added |
| Barclays PLC | 919,968 | $25.1M | 0.01% | −68,850−7.0% | Reduced |
| Norges Bank | 900,509 | $24.6M | 0.00% | −72,600−7.5% | Reduced |
| Select Equity Group, L.P. | 887,168 | $24.2M | 0.11% | +135,980+18.1% | Added |
| Gotham Asset Management, LLC | 879,385 | $24.0M | 0.20% | +175,992+25.0% | Added |
| FMR LLC | 812,490 | $22.2M | 0.00% | −29,848−3.5% | Reduced |
| Anchor Capital Management Company, LLC | 775,917 | $21.2M | 21.20% | +56,000+7.8% | Added |
| Pinnacle Associates Ltd | 764,065 | $20.9M | 0.31% | −31,186−3.9% | Reduced |
| JPMorgan Chase & Co | 738,824 | $20.2M | 0.00% | +106,972+16.9% | Added |
| Invesco Ltd. | 718,843 | $19.6M | 0.00% | +59,698+9.1% | Added |
| Bank of America Corp | 678,459 | $18.5M | 0.00% | +434,539+178.1% | Added |
| Raymond James Financial Inc | 645,636 | $17.6M | 0.01% | +38,698+6.4% | Added |
| Voya Investment Management LLC | 633,796 | $17.3M | 0.02% | +203,523+47.3% | Added |
| Nuveen, LLC | 576,970 | $15.8M | 0.00% | +576,970 | New |
| Arrowstreet Capital, Limited Partnership | 548,381 | $15.0M | 0.01% | +117,645+27.3% | Added |
| UBS Asset Management Americas Inc | 539,566 | $14.7M | 0.00% | +75,060+16.2% | Added |
| Brown Advisory Inc | 510,292 | $13.9M | 0.02% | −684−0.1% | Reduced |
| Cubist Systematic Strategies, LLC | 507,355 | $13.9M | 0.18% | +402,759+385.1% | Added |
| UBS Group AG | 493,197 | $13.5M | 0.00% | +100,019+25.4% | Added |
| Legal & General Group Plc | 421,217 | $11.5M | 0.00% | −3,206−0.8% | Reduced |
| Citadel Advisors LLC | 415,348 | $11.3M | 0.01% | +116,585+39.0% | Added |
| AQR Capital Management LLC | 410,476 | $11.1M | 0.01% | −530,295−56.4% | Reduced |
| Qube Research & Technologies Ltd | 392,334 | $10.7M | 0.02% | +43,448+12.5% | Added |
| Trexquant Investment LP | 390,325 | $10.7M | 0.12% | −50,858−11.5% | Reduced |
| BNP Paribas Arbitrage, SA | 320,535 | $8.76M | 0.01% | +107,362+50.4% | Added |
| Nordea Investment Management AB | 311,506 | $8.49M | 0.01% | +62,904+25.3% | Added |
| Rhumbline Advisers | 299,969 | $8.20M | 0.01% | −17,485−5.5% | Reduced |
| Renaissance Technologies LLC | 296,699 | $8.11M | 0.01% | +280,669+1,750.9% | Added |
| Retirement Systems of Alabama | 283,870 | $7.76M | 0.03% | −5,960−2.1% | Reduced |
| Man Group plc | 279,122 | $7.63M | 0.02% | +95,731+52.2% | Added |
| Twinbeech Capital LP | 277,022 | $7.57M | 0.14% | +277,022 | New |
| Van Eck Associates Corp | 262,482 | $7.17M | 0.01% | +122,846+88.0% | Added |
| Jupiter Asset Management Ltd | 257,689 | $7.04M | 0.07% | +257,689 | New |
| Principal Financial Group Inc | 251,019 | $6.86M | 0.00% | −10,115−3.9% | Reduced |
| First Trust Advisors LP | 249,846 | $6.83M | 0.01% | −14,707−5.6% | Reduced |
| Jane Street Group, LLC | 239,354 | $6.54M | 0.01% | +94,173+64.9% | Added |
| Panagora Asset Management Inc | 233,822 | $6.39M | 0.03% | +223,495+2,164.2% | Added |
| Goldman Sachs Group Inc | 232,231 | $6.34M | 0.00% | +33,191+16.7% | Added |
| Crossmark Global Holdings, Inc. | 224,764 | $6.14M | 0.11% | +185,167+467.6% | Added |
| D. E. Shaw & Co., Inc. | 218,863 | $5.98M | 0.01% | −250,819−53.4% | Reduced |
| Blair William & Co | 203,961 | $5.57M | 0.02% | −57,177−21.9% | Reduced |
| Swiss National Bank | 198,500 | $5.42M | 0.00% | −11,100−5.3% | Reduced |
| Marshall Wace, LLP | 195,254 | $5.33M | 0.01% | +182,678+1,452.6% | Added |
| California Public Employees Retirement System | 193,113 | $5.28M | 0.00% | +6,279+3.4% | Added |
| Point72 Asset Management, L.P. | 190,803 | $5.21M | 0.01% | −79,538−29.4% | Reduced |
| Robertson Opportunity Capital, LLC | 188,246 | $5.14M | 1.96% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 185,658 | $5.07M | 0.02% | +119,890+182.3% | Added |
| Alliancebernstein L.P. | 183,015 | $5.00M | 0.00% | +17,484+10.6% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 182,892 | $5.00M | 0.03% | −5,252−2.8% | Reduced |
| Jump Financial, LLC | 176,336 | $4.82M | 0.07% | +69,336+64.8% | Added |
| Acadian Asset Management LLC | 174,818 | $4.77M | 0.01% | +116,880+201.7% | Added |
| State of Wisconsin Investment Board | 171,057 | $4.67M | 0.01% | +3,073+1.8% | Added |
| Engineers Gate Manager LP | 168,356 | $4.60M | 0.08% | +68,498+68.6% | Added |
| ExodusPoint Capital Management, LP | 160,124 | $4.38M | 0.06% | +47,133+41.7% | Added |
| CIBC World Markets Inc. | 158,888 | $4.34M | 0.01% | +70,443+79.6% | Added |
| SEI Investments Co | 155,271 | $4.24M | 0.01% | +1,599+1.0% | Added |
| Ameriprise Financial Inc | 153,439 | $4.19M | 0.00% | +32,984+27.4% | Added |
| HRT Financial LP | 152,623 | $4.17M | 0.03% | +75,884+98.9% | Added |
| La Banque Postale Asset Management SA | 149,294 | $4.08M | 0.06% | +27,219+22.3% | Added |
| Verition Fund Management LLC | 137,867 | $3.77M | 0.02% | +80,077+138.6% | Added |
| Algert Global LLC | 136,742 | $3.74M | 0.09% | −57,210−29.5% | Reduced |
| HSBC Holdings PLC | 130,405 | $3.55M | 0.00% | −58,692−31.0% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 125,390 | $3.43M | 0.00% | +32,380+34.8% | Added |
| Capital Fund Management S.A. | 124,288 | $3.40M | 0.04% | +42,199+51.4% | Added |
| Corebridge Financial, Inc. | 120,352 | $3.29M | 0.02% | −8,576−6.7% | Reduced |
| Private Advisor Group, LLC | 119,876 | $3.28M | 0.02% | +23,174+24.0% | Added |
| Aquatic Capital Management LLC | 116,194 | $3.17M | 0.08% | +45,111+63.5% | Added |
| New York State Teachers Retirement System | 115,054 | $3.14M | 0.01% | +1,976+1.7% | Added |
| Thrivent Financial for Lutherans | 113,936 | $3.11M | 0.01% | −13,308−10.5% | Reduced |
| Edgestream Partners, L.P. | 104,462 | $2.85M | 0.10% | +104,462 | New |
| California State Teachers Retirement System | 98,738 | $2.70M | 0.00% | −1,406−1.4% | Reduced |
| Paralel Advisors LLC | 95,977 | $2.62M | 0.11% | 00.0% | Unchanged |
| Penserra Capital Management LLC | 92,133 | $2.52M | 0.04% | +15,553+20.3% | Added |
| Macquarie Group Ltd | 88,909 | $2.43M | 0.00% | +2,266+2.6% | Added |
| State Board of Administration of Florida Retirement System | 87,746 | $2.40M | 0.00% | +2,190+2.6% | Added |
| Agf Management Ltd | 86,074 | $2.35M | 0.01% | −950−1.1% | Reduced |
| Manufacturers Life Insurance Company, The | 83,478 | $2.28M | 0.00% | −4,693−5.3% | Reduced |
| Great West Life Assurance Co | 82,963 | $2.27M | 0.00% | +2,516+3.1% | Added |
| Bridgewater Associates, LP | 81,731 | $2.23M | 0.01% | +81,731 | New |
| Davy Global Fund Management Ltd | 81,265 | $2.22M | 0.26% | −1,584−1.9% | Reduced |