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, 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 | 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, 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 |
|---|---|---|---|---|---|
| Northern Trust Corp | 974,401 | $16.9M | 0.00% | −69,168−6.6% | Reduced |
| Barclays PLC | 980,847 | $17.0M | 0.01% | +442,985+82.4% | Added |
| Invesco Ltd. | 994,205 | $17.3M | 0.00% | +106,856+12.0% | Added |
| Millennium Management LLC | 1,037,281 | $18.0M | 0.01% | −2,002,450−65.9% | Reduced |
| Nikko Asset Management Americas, Inc. | 1,117,952 | $19.4M | 0.22% | −3,195,128−74.1% | Reduced |
| Citadel Advisors LLC | 1,140,215 | $19.8M | 0.01% | −509,628−30.9% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,155,467 | $20.1M | 0.01% | +217,886+23.2% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,170,252 | $20.3M | 0.01% | −3,173,418−73.1% | Reduced |
| Bank of New York Mellon Corp | 1,173,761 | $20.4M | 0.00% | +101,765+9.5% | Added |
| Van Eck Associates Corp | 1,204,302 | $20.9M | 0.02% | +441,631+57.9% | Added |
| Charles Schwab Investment Management Inc | 1,206,189 | $21.0M | 0.00% | +161,115+15.4% | Added |
| UBS Group AG | 1,273,219 | $22.1M | 0.00% | −95,308−7.0% | Reduced |
| Pacer Advisors, Inc. | 1,358,706 | $23.6M | 0.06% | −385,389−22.1% | Reduced |
| Morgan Stanley | 1,795,202 | $31.2M | 0.00% | −43,028−2.3% | Reduced |
| Man Group plc | 1,851,528 | $32.2M | 0.06% | −160,549−8.0% | Reduced |
| Geode Capital Management, LLC | 1,907,797 | $33.2M | 0.00% | +203,820+12.0% | Added |
| Dimensional Fund Advisors LP | 2,093,124 | $36.4M | 0.01% | −234,271−10.1% | Reduced |
| Gotham Asset Management, LLC | 2,309,750 | $40.1M | 0.15% | +2,002,232+651.1% | Added |
| Goldman Sachs Group Inc | 2,323,170 | $40.4M | 0.01% | +408,903+21.4% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 2,850,606 | $49.5M | 0.33% | −3,639,502−56.1% | Reduced |
| American Century Companies Inc | 3,078,679 | $53.5M | 0.03% | +199,777+6.9% | Added |
| State Street Corp | 4,761,749 | $82.8M | 0.00% | +725,856+18.0% | Added |
| Silver Heights Capital Management Inc | 5,251,133 | $91.3M | 36.21% | +61,430+1.2% | Added |
| Vanguard Group Inc | 10,157,227 | $176.5M | 0.00% | +677,258+7.1% | Added |
| BlackRock, Inc. | 13,891,150 | $241.4M | 0.00% | +2,895,186+26.3% | Added |
| Synergy Financial Management, LLC | 0 | $0 | 0.00% | −1,324,366−100.0% | Sold out |
| Anchor Capital Management Company, LLC | 0 | $0 | 0.00% | −735,366−100.0% | Sold out |
| M&G Plc | 0 | $0 | 0.00% | −680,857−100.0% | Sold out |
| Davy Global Fund Management Ltd | 0 | $0 | 0.00% | −385,311−100.0% | Sold out |
| Robertson Opportunity Capital, LLC | 0 | $0 | 0.00% | −287,346−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −140,311−100.0% | Sold out |
| Agf Management Ltd | 0 | $0 | 0.00% | −132,467−100.0% | Sold out |
| State of New Jersey Common Pension Fund D | 0 | $0 | 0.00% | −88,114−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −87,962−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −80,305−100.0% | Sold out |
| Oak Thistle LLC | 0 | $0 | 0.00% | −61,500−100.0% | Sold out |
| NFJ Investment Group, LLC | 0 | $0 | 0.00% | −58,592−100.0% | Sold out |
| New Century Financial Group, LLC | 0 | $0 | 0.00% | −56,663−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −52,304−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −41,369−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −40,276−100.0% | Sold out |
| Gilliland Jeter Wealth Management LLC | 0 | $0 | 0.00% | −33,882−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −31,800−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −31,697−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −29,911−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −26,808−100.0% | Sold out |
| New Mexico Educational Retirement Board | 0 | $0 | 0.00% | −25,700−100.0% | Sold out |
| State of Michigan Retirement System | 0 | $0 | 0.00% | −25,259−100.0% | Sold out |
| Northwestern Mutual Investment Management Company, LLC | 0 | $0 | 0.00% | −23,653−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −22,006−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −21,534−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −20,035−100.0% | Sold out |
| Ameritas Investment Partners, Inc. | 0 | $0 | 0.00% | −19,891−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −19,549−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −16,794−100.0% | Sold out |
| Toroso Investments, LLC | 0 | $0 | 0.00% | −16,388−100.0% | Sold out |
| Bank of Nova Scotia | 0 | $0 | 0.00% | −16,350−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −14,455−100.0% | Sold out |
| Farringdon Capital, Ltd. | 0 | $0 | 0.00% | −13,580−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −12,813−100.0% | Sold out |
| Values First Advisors, Inc. | 0 | $0 | 0.00% | −12,193−100.0% | Sold out |
| Xponance, Inc. | 0 | $0 | 0.00% | −11,915−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −10,567−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −10,088−100.0% | Sold out |
| Vestcor Inc | 0 | $0 | 0.00% | −9,194−100.0% | Sold out |
| Securian Asset Management, Inc | 0 | $0 | 0.00% | −7,947−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −7,564−100.0% | Sold out |
| OP Asset Management Ltd | 0 | $0 | 0.00% | −6,636−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −2,654−100.0% | Sold out |
| Manchester Capital Management LLC | 0 | $0 | 0.00% | −2,040−100.0% | Sold out |
| Groupe la Francaise | 0 | $0 | 0.00% | −1,500−100.0% | Sold out |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −700−100.0% | Sold out |
| Rise Advisors, LLC | 0 | $0 | 0.00% | −335−100.0% | Sold out |
| Ameritas Advisory Services, LLC | 0 | $0 | 0.00% | −309−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −220−100.0% | Sold out |
| TD Private Client Wealth LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| First Horizon Corp | 0 | $0 | 0.00% | −91−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −77−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −58−100.0% | Sold out |
| Halbert Hargrove Global Advisors, LLC | 0 | $0 | 0.00% | −31−100.0% | Sold out |
| Cromwell Holdings LLC | 0 | $0 | 0.00% | −19−100.0% | Sold out |
| Bell Investment Advisors, Inc | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| Fortitude Family Office, LLC | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| Bruce G. Allen Investments, LLC | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| Cloud Capital Management, LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| IFS Group,LLC | – | – | – | – | Not filed |
| Shell Asset Management Co | – | – | – | – | Not filed |
| Hemington Wealth Management | – | – | – | – | Not filed |