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; 491 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, Q3 2026
Institutional positions in Iridium Communications Inc. as of Sep 30, 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
Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.
- Institutional holders
- 353
- −27 vs. Q2 2026
- Shares held
- 60.6M
- −7.50M (−11.0%) vs. Q2 2026
- Total value
- $2.91B
- −$830.6M (−22.2%) vs. Q2 2026
- New holders
- 57
- 94 more added
- Sold out
- 84
- 146 more reduced
111 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2026: 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 | 491 | $5.01B |
| Q1 2026 | 386 | $2.50B |
| Q4 2025 | 327 | $1.63B |
| Q3 2025 | 326 | $1.79B |
| Q2 2025 | 334 | $3.06B |
| Q1 2025 | 353 | $2.84B |
| Q4 2024 | 351 | $2.91B |
| Q3 2024 | 355 | $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, Q3 2026
Shares, value and share of portfolio for each institution holding Iridium Communications Inc.; share changes are against Q2 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 13,367,013 | $640.3M | 0.01% | −80,325−0.6% | Reduced |
| Vanguard Portfolio Management LLC | 5,308,152 | $254.3M | 0.01% | −132,247−2.4% | Reduced |
| American Century Companies Inc | 4,610,200 | $220.8M | 0.10% | −246,240−5.1% | Reduced |
| State Street Corp | 4,473,062 | $214.3M | 0.01% | −260,652−5.5% | Reduced |
| Vanguard Capital Management LLC | 4,237,440 | $203.0M | 0.00% | +5,279+0.1% | Added |
| Silver Heights Capital Management Inc | 2,663,293 | $127.6M | 46.12% | −611,654−18.7% | Reduced |
| Geode Capital Management, LLC | 2,465,080 | $118.5M | 0.01% | +420,257+20.6% | Added |
| Dimensional Fund Advisors LP | 2,371,895 | $113.6M | 0.02% | +14,050+0.6% | Added |
| Van Eck Associates Corp | 1,737,486 | $83.2M | 0.05% | −533,313−23.5% | Reduced |
| Morgan Stanley | 1,239,010 | $59.3M | 0.00% | −278,394−18.3% | Reduced |
| Bank of New York Mellon Corp | 1,053,367 | $50.5M | 0.01% | −90,688−7.9% | Reduced |
| Magnetar Financial LLC | 941,932 | $45.1M | 0.44% | +788,746+514.9% | Added |
| UBS Group AG | 828,688 | $39.7M | 0.01% | −176,914−17.6% | Reduced |
| Qube Research & Technologies Ltd | 745,457 | $35.7M | 0.04% | +596,315+399.8% | Added |
| JPMorgan Chase & Co | 738,770 | $35.7M | 0.00% | −50,421−6.4% | Reduced |
| Invesco Ltd. | 738,104 | $35.4M | 0.00% | −170,030−18.7% | Reduced |
| Nuveen, LLC | 704,990 | $33.8M | 0.01% | +202,313+40.2% | Added |
| Vanguard Fiduciary Trust Co | 663,286 | $31.8M | 0.01% | +5,328+0.8% | Added |
| Arrowstreet Capital, Limited Partnership | 644,210 | $30.9M | 0.01% | −110,214−14.6% | Reduced |
| Principal Financial Group Inc | 502,082 | $24.0M | 0.01% | −7,407−1.5% | Reduced |
| Public Sector Pension Investment Board | 480,834 | $22.4M | 0.05% | +73,494+18.0% | Added |
| Jane Street Group, LLC | 456,974 | $21.9M | 0.02% | +450,082+6,530.5% | Added |
| FMR LLC | 423,922 | $20.3M | 0.00% | −59,195−12.3% | Reduced |
| Cushing Asset Management, LP | 416,500 | $20.0M | 0.91% | +180,500+76.5% | Added |
| Pinnacle Associates Ltd | 401,167 | $19.2M | 0.22% | +6,488+1.6% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 324,222 | $15.5M | 0.01% | −3,677−1.1% | Reduced |
| Renaissance Technologies LLC | 319,299 | $15.3M | 0.02% | −290,500−47.6% | Reduced |
| Braun Stacey Associates Inc | 314,552 | $15.1M | 0.43% | +18,630+6.3% | Added |
| Sculptor Capital LP | 304,440 | $14.6M | 0.16% | −164,560−35.1% | Reduced |
| Robertson Opportunity Capital, LLC | 250,346 | $12.0M | 4.49% | 00.0% | Unchanged |
| Nordea Investment Management AB | 239,841 | $11.6M | 0.01% | −20,160−7.8% | Reduced |
| Botty Investors LLC | 231,116 | $11.1M | 2.36% | +320+0.1% | Added |
| Raymond James Financial Inc | 206,834 | $9.91M | 0.00% | −16,160−7.2% | Reduced |
| ING Groep NV | 201,100 | $9.63M | 0.05% | +201,100 | New |
| Rhumbline Advisers | 197,624 | $9.47M | 0.01% | −463−0.2% | Reduced |
| Swiss National Bank | 187,500 | $8.98M | 0.00% | +2,200+1.2% | Added |
| Russell Investments Group, Ltd. | 157,778 | $7.56M | 0.01% | −244,030−60.7% | Reduced |
| Citigroup Inc | 149,290 | $7.15M | 0.00% | −14,455−8.8% | Reduced |
| Blair William & Co | 146,268 | $7.01M | 0.02% | −26,235−15.2% | Reduced |
| Mackenzie Financial Corp | 143,818 | $6.89M | 0.01% | −92,724−39.2% | Reduced |
| IMC-Chicago, LLC | 135,246 | $6.48M | 0.06% | −219,122−61.8% | Reduced |
| Quantinno Capital Management LP | 134,749 | $6.45M | 0.01% | +46,441+52.6% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 131,264 | $6.29M | 0.03% | −3,976−2.9% | Reduced |
| LPL Financial LLC | 129,956 | $6.22M | 0.00% | +2,351+1.8% | Added |
| First Trust Advisors LP | 120,765 | $5.78M | 0.00% | −345,003−74.1% | Reduced |
| Gabelli & Co Investment Advisers, Inc. | 117,451 | $5.63M | 0.88% | +107,101+1,034.8% | Added |
| Gabelli Funds LLC | 111,739 | $5.35M | 0.04% | +101,439+984.8% | Added |
| Franklin Resources Inc | 119,839 | $5.25M | 0.00% | +65,217+119.4% | Added |
| New York State Teachers Retirement System | 105,222 | $5.04M | 0.01% | −4,889−4.4% | Reduced |
| California State Teachers Retirement System | 104,854 | $5.02M | 0.00% | −2,111−2.0% | Reduced |
| Great West Life Assurance Co | 102,387 | $4.90M | 0.01% | −7,092−6.5% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 94,312 | $4.52M | 0.03% | +92,941+6,779.1% | Added |
| Quinn Opportunity Partners LLC | 92,640 | $4.44M | 0.24% | +40,000+76.0% | Added |
| Vanguard Asset Management, Ltd | 83,172 | $3.98M | 0.00% | +4,969+6.4% | Added |
| State Board of Administration of Florida Retirement System | 82,347 | $3.94M | 0.01% | −3,339−3.9% | Reduced |
| ARK Investment Management LLCSuperinvestorARK Invest | 79,876 | $3.83M | 0.02% | −1,135,237−93.4% | Reduced |
| Vanguard Investments Australia, Ltd. | 74,354 | $3.56M | 0.01% | +1,542+2.1% | Added |
| Barclays PLC | 72,449 | $3.47M | 0.00% | −14,140−16.3% | Reduced |
| CWM Advisors, LLC | 69,839 | $3.35M | 0.14% | −49,868−41.7% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 69,442 | $3.33M | 0.00% | −517,737−88.2% | Reduced |
| Nikko Asset Management Americas, Inc. | 69,442 | $3.32M | 0.04% | −481,237−87.4% | Reduced |
| Thrivent Financial for Lutherans | 67,393 | $3.23M | 0.01% | −15,440−18.6% | Reduced |
| Crossmark Global Holdings, Inc. | 64,260 | $3.08M | 0.04% | +16,406+34.3% | Added |
| Creative Planning | 63,779 | $3.06M | 0.00% | −66,195−50.9% | Reduced |
| Stifel Financial Corp | 62,732 | $3.01M | 0.00% | −16,310−20.6% | Reduced |
| Pathstone Holdings, LLC | 61,099 | $2.93M | 0.01% | +268+0.4% | Added |
| Victory Capital Management Inc | 60,062 | $2.88M | 0.00% | −68,420−53.3% | Reduced |
| Advisors Asset Management, Inc. | 42,237 | $2.66M | 0.04% | −64,592−60.5% | Reduced |
| Illinois Municipal Retirement Fund | 54,263 | $2.60M | 0.03% | −8,714−13.8% | Reduced |
| Macquarie Group Ltd | 51,713 | $2.48M | 0.01% | +223+0.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 51,363 | $2.46M | 0.00% | −6,811−11.7% | Reduced |
| Royce & Associates LP | 48,996 | $2.35M | 0.02% | +1,252+2.6% | Added |
| Cetera Investment Advisers | 45,884 | $2.20M | 0.00% | +15,912+53.1% | Added |
| Louisiana State Employees Retirement System | 45,100 | $2.16M | 0.03% | −1,200−2.6% | Reduced |
| Massachusetts Financial Services Co | 44,061 | $2.11M | 0.00% | −465,917−91.4% | Reduced |
| SEI Investments Co | 43,067 | $2.06M | 0.00% | +5,561+14.8% | Added |
| Vanguard Global Advisers, LLC | 41,148 | $1.97M | 0.00% | +1,053+2.6% | Added |
| Highland Capital Management, LLC | 40,817 | $1.96M | 0.09% | +40,817 | New |
| New Age Alpha Advisors, LLC | 39,583 | $1.90M | 0.08% | −1,759−4.3% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 38,709 | $1.85M | 0.01% | −1,955−4.8% | Reduced |
| Water Island Capital LLC | 38,497 | $1.84M | 0.19% | +38,497 | New |
| Mariner, LLC | 38,396 | $1.84M | 0.00% | −234,001−85.9% | Reduced |
| Credit Agricole S A | 38,000 | $1.82M | 0.00% | +38,000 | New |
| BNP Paribas Arbitrage, SA | 37,566 | $1.80M | 0.00% | −40,529−51.9% | Reduced |
| Cerity Partners LLC | 34,286 | $1.64M | 0.00% | −137,589−80.1% | Reduced |
| Exchange Traded Concepts, LLC | 33,036 | $1.58M | 0.01% | −14,787−30.9% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 32,396 | $1.54M | 0.00% | −56,844−63.7% | Reduced |
| State of New Jersey Common Pension Fund D | 32,124 | $1.54M | 0.01% | +2,140+7.1% | Added |
| Voya Investment Management LLC | 31,436 | $1.51M | 0.00% | −163−0.5% | Reduced |
| Neuberger Berman Group LLC | 31,390 | $1.50M | 0.00% | −2,261−6.7% | Reduced |
| Amalgamated Bank | 29,855 | $1.43M | 0.01% | −976−3.2% | Reduced |
| Maryland State Retirement & Pension System | 28,237 | $1.35M | 0.02% | +7,595+36.8% | Added |
| Yousif Capital Management, LLC | 27,455 | $1.32M | 0.01% | −767−2.7% | Reduced |
| Amundi | 27,116 | $1.30M | 0.00% | −114,640−80.9% | Reduced |
| Sit Investment Associates Inc | 26,725 | $1.28M | 0.02% | 00.0% | Unchanged |
| Harvest Fund Management Co., Ltd | 26,223 | $1.25M | 0.04% | 00.0% | Unchanged |
| Arizona State Retirement System | 26,104 | $1.25M | 0.01% | +580+2.3% | Added |
| Guidance Capital, Inc | 28,549 | $1.25M | 0.27% | −1,122−3.8% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 25,000 | $1.20M | 0.04% | +25,000 | New |
| Teachers Retirement System of the State of Kentucky | 24,521 | $1.18M | 0.01% | 00.0% | Unchanged |