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, Q4 2025
Institutional positions in Iridium Communications Inc. as of Dec 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
- 325
- +4 vs. Q3 2025
- Shares held
- 93.8M
- −7.68M (−7.6%) vs. Q3 2025
- Total value
- $1.63B
- −$158.1M (−8.8%) vs. Q3 2025
- New holders
- 64
- 109 more added
- Sold out
- 60
- 114 more reduced
3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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 | 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, Q4 2025
Shares, value and share of portfolio for each institution holding Iridium Communications Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Advisors Asset Management, Inc. | 87,416 | $1.52M | 0.03% | +23,213+36.2% | Added |
| State Board of Administration of Florida Retirement System | 85,441 | $1.48M | 0.00% | 00.0% | Unchanged |
| Verition Fund Management LLC | 84,442 | $1.47M | 0.01% | −25,922−23.5% | Reduced |
| Thrivent Financial for Lutherans | 84,074 | $1.46M | 0.00% | +47,595+130.5% | Added |
| Elo Mutual Pension Insurance Co | 83,692 | $1.45M | 0.02% | +8,649+11.5% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 79,851 | $1.39M | 0.00% | +79,851 | New |
| State of Wisconsin Investment Board | 79,512 | $1.38M | 0.00% | −92,853−53.9% | Reduced |
| Sit Investment Associates Inc | 68,000 | $1.18M | 0.02% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 65,423 | $1.14M | 0.00% | +13,561+26.1% | Added |
| Canada Pension Plan Investment Board | 64,512 | $1.12M | 0.00% | +64,512 | New |
| Gilder Gagnon Howe & Co LLC | 63,650 | $1.11M | 0.01% | −122−0.2% | Reduced |
| IMC-Chicago, LLC | 63,051 | $1.10M | 0.02% | +37,742+149.1% | Added |
| Wedge Capital Management L L P | 62,379 | $1.08M | 0.02% | −4,170−6.3% | Reduced |
| XTX Topco Ltd | 57,111 | $992.6K | 0.03% | −50,723−47.0% | Reduced |
| SG Americas Securities, LLC | 56,677 | $985.0K | 0.00% | −9,713−14.6% | Reduced |
| State of Tennessee, Treasury Department | 48,695 | $970.0K | 0.00% | +15,752+47.8% | Added |
| VARCOV Co. | 54,471 | $946.7K | 0.37% | +54,471 | New |
| Virtu Financial LLC | 53,549 | $931.0K | 0.04% | −19,070−26.3% | Reduced |
| State of Alaska, Department of Revenue | 53,334 | $926.0K | 0.01% | +41,734+359.8% | Added |
| Pathstone Holdings, LLC | 53,091 | $922.7K | 0.00% | +3,530+7.1% | Added |
| Natixis | 52,175 | $906.8K | 0.00% | +52,175 | New |
| Janney Montgomery Scott LLC | 52,107 | $906.0K | 0.00% | +39,225+304.5% | Added |
| RD Finance Ltd | 51,150 | $889.0K | 0.90% | +51,150 | New |
| Wells Fargo & Company | 49,884 | $867.0K | 0.00% | +37,182+292.7% | Added |
| Numerai GP LLC | 48,842 | $848.9K | 0.10% | +14,580+42.6% | Added |
| LPL Financial LLC | 48,398 | $841.2K | 0.00% | −4,130−7.9% | Reduced |
| Louisiana State Employees Retirement System | 48,000 | $834.2K | 0.01% | +18,500+62.7% | Added |
| Macquarie Group Ltd | 44,547 | $774.2K | 0.00% | −9,266−17.2% | Reduced |
| HSBC Holdings PLC | 44,358 | $771.7K | 0.00% | +17,267+63.7% | Added |
| New York State Common Retirement Fund | 43,542 | $756.8K | 0.00% | −6,000−12.1% | Reduced |
| Quantinno Capital Management LP | 41,814 | $726.7K | 0.00% | +7,803+22.9% | Added |
| Comerica Bank | 41,608 | $723.1K | 0.00% | −4,987−10.7% | Reduced |
| Winton Group Ltd | 41,300 | $717.8K | 0.02% | +41,300 | New |
| Brevan Howard Capital Management LP | 41,248 | $716.9K | 0.01% | −59,445−59.0% | Reduced |
| Creative Planning | 41,009 | $712.7K | 0.00% | +15,068+58.1% | Added |
| WealthTrust Axiom LLC | 40,495 | $703.8K | 0.18% | −1,470−3.5% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 40,446 | $703.0K | 0.01% | −2,014−4.7% | Reduced |
| Canal Insurance CO | 40,000 | $695.0K | 0.17% | 00.0% | Unchanged |
| SEI Investments Co | 39,756 | $691.0K | 0.00% | −5,582−12.3% | Reduced |
| Treasurer of the State of North Carolina | 38,494 | $669.0K | 0.00% | −3,348−8.0% | Reduced |
| Jaffetilchin Investment Partners, LLC | 36,528 | $634.9K | 0.04% | +36,528 | New |
| Susquehanna Portfolio Strategies, LLC | 36,089 | $627.2K | 0.01% | +36,089 | New |
| Horizon Investments, LLC | 35,336 | $614.1K | 0.01% | +12,119+52.2% | Added |
| Royal Bank of Canada | 34,259 | $596.0K | 0.00% | −72,582−67.9% | Reduced |
| Amalgamated Bank | 33,845 | $588.0K | 0.00% | −14,348−29.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 33,393 | $580.4K | 0.00% | −35,000−51.2% | Reduced |
| Walleye Trading LLC | 32,078 | $557.5K | 0.01% | +32,078 | New |
| Yousif Capital Management, LLC | 28,312 | $540.8K | 0.01% | −4,964−14.9% | Reduced |
| Aquatic Capital Management LLC | 30,784 | $535.0K | 0.02% | +30,784 | New |
| Public Employees Retirement System of Ohio | 29,871 | $519.2K | 0.00% | −1,066−3.4% | Reduced |
| EntryPoint Capital, LLC | 28,508 | $495.5K | 0.19% | +14,821+108.3% | Added |
| AdvisorShares Investments LLC | 28,296 | $491.8K | 0.08% | +9,277+48.8% | Added |
| Lecap Asset Management Ltd | 27,681 | $481.1K | 0.19% | −23,476−45.9% | Reduced |
| Cullen Investment Group, Ltd. | 24,325 | $470.4K | 0.06% | −4,147−14.6% | Reduced |
| Skylands Capital, LLC | 26,800 | $465.8K | 0.06% | −52,700−66.3% | Reduced |
| Arizona State Retirement System | 26,544 | $461.3K | 0.00% | −2,255−7.8% | Reduced |
| CBOE Vest Financial, LLC | 26,221 | $455.7K | 0.01% | +14,905+131.7% | Added |
| Versor Investments LP | 25,485 | $442.9K | 0.07% | +4,085+19.1% | Added |
| Vontobel Holding Ltd. | 25,438 | $442.1K | 0.00% | +25,438 | New |
| Wealth Enhancement Advisory Services, LLC | 23,755 | $439.0K | 0.00% | +23,755 | New |
| Neuberger Berman Group LLC | 24,557 | $426.8K | 0.00% | +24,557 | New |
| Teachers Retirement System of the State of Kentucky | 24,521 | $426.0K | 0.00% | −15,786−39.2% | Reduced |
| Oregon Public Employees Retirement Fund | 24,000 | $417.1K | 0.01% | +2,664+12.5% | Added |
| BBR Partners, LLC | 22,809 | $396.4K | 0.02% | +22,809 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 22,766 | $395.7K | 0.00% | +4,408+24.0% | Added |
| Hancock Whitney Corp | 22,454 | $390.3K | 0.01% | −4,395−16.4% | Reduced |
| Marex Group plc | 21,755 | $378.1K | 0.00% | −11,888−35.3% | Reduced |
| Commonwealth Equity Services, LLC | 21,400 | $371.9K | 0.00% | −2,923−12.0% | Reduced |
| PharVision Advisers, LLC | 21,298 | $370.2K | 0.19% | +21,298 | New |
| Y-Intercept (Hong Kong) Ltd | 21,122 | $367.1K | 0.01% | −324,104−93.9% | Reduced |
| KLP Kapitalforvaltning AS | 21,000 | $365.0K | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 20,909 | $363.4K | 0.01% | +18,182+666.7% | Added |
| Maryland State Retirement & Pension System | 20,427 | $355.0K | 0.01% | +20,427 | New |
| Polymer Capital Management (US) LLC | 20,266 | $352.2K | 0.05% | +8,039+65.7% | Added |
| Quest Partners LLC | 19,709 | $342.5K | 0.02% | −1,645−7.7% | Reduced |
| Cresset Asset Management, LLC | 19,705 | $342.5K | 0.00% | +10.0% | Added |
| Laffer Tengler Investments | 19,269 | $334.9K | 0.05% | +19,269 | New |
| Leonteq Securities AG | 19,197 | $333.6K | 0.02% | +8,460+78.8% | Added |
| Campbell & CO Investment Adviser LLC | 19,196 | $333.6K | 0.02% | −12,507−39.5% | Reduced |
| Bayforest Capital Ltd | 19,144 | $332.7K | 0.25% | +4,945+34.8% | Added |
| HighTower Advisors, LLC | 18,516 | $321.8K | 0.00% | −472−2.5% | Reduced |
| Tower Research Capital LLC (TRC) | 18,471 | $321.0K | 0.01% | −56,452−75.3% | Reduced |
| Mackenzie Financial Corp | 18,315 | $320.1K | 0.00% | −9,494−34.1% | Reduced |
| McDonald Partners LLC | 17,600 | $305.9K | 0.10% | −350−1.9% | Reduced |
| Change Path, LLC | 17,440 | $303.1K | 0.01% | +990+6.0% | Added |
| Manufacturers Life Insurance Company, The | 17,434 | $303.0K | 0.00% | −56,108−76.3% | Reduced |
| Toronto Dominion Bank | 17,024 | $295.9K | 0.00% | +17,024 | New |
| Headlands Technologies LLC | 16,848 | $292.8K | 0.02% | −5,188−23.5% | Reduced |
| Advisor Group Holdings, Inc. | 16,797 | $291.9K | 0.00% | −58,407−77.7% | Reduced |
| Bank of Montreal | 15,674 | $272.4K | 0.00% | +1,170+8.1% | Added |
| J. Goldman & Co LP | 15,000 | $260.7K | 0.01% | +15,000 | New |
| Pictet Asset Management Holding SA | 14,218 | $247.1K | 0.00% | 00.0% | Unchanged |
| Childress Capital Advisors, LLC | 13,500 | $234.6K | 0.04% | +13,500 | New |
| Swiss Life Asset Management Ltd | 13,461 | $234.0K | 0.00% | +13,461 | New |
| Summit Trail Advisors, LLC | 12,833 | $223.0K | 0.00% | +2,059+19.1% | Added |
| Diversified Trust Co | 12,729 | $221.2K | 0.00% | +12,729 | New |
| Lazard Asset Management LLC | 12,000 | $208.6K | 0.00% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 11,972 | $208.1K | 0.00% | −37,035−75.6% | Reduced |
| M&T Bank Corp | 11,938 | $207.8K | 0.00% | +11,938 | New |
| Public Employees Retirement Association of Colorado | 11,527 | $200.0K | 0.00% | 00.0% | Unchanged |