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, Q3 2025
Institutional positions in Iridium Communications Inc. as of Sep 30, 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
- 324
- −5 vs. Q2 2025
- Shares held
- 101.5M
- +532.3K (+0.5%) vs. Q2 2025
- Total value
- $1.79B
- −$1.26B (−41.3%) vs. Q2 2025
- New holders
- 62
- 117 more added
- Sold out
- 67
- 112 more reduced
3 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Iridium Communications Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Macquarie Group Ltd | 53,813 | $939.6K | 0.00% | −16,944−23.9% | Reduced |
| MetLife Investment Management | 54,671 | $954.6K | 0.00% | −3,689−6.3% | Reduced |
| National Bank of Canada | 55,235 | $963.9K | 0.00% | +12,368+28.9% | Added |
| New Century Financial Group, LLC | 56,663 | $989.3K | 1.76% | +56,663 | New |
| NFJ Investment Group, LLC | 58,592 | $1.02M | 0.04% | 00.0% | Unchanged |
| Marshall Wace, LLP | 61,478 | $1.07M | 0.00% | +33,827+122.3% | Added |
| Oak Thistle LLC | 61,500 | $1.07M | 0.16% | +61,500 | New |
| Gilder Gagnon Howe & Co LLC | 63,772 | $1.11M | 0.01% | +63,772 | New |
| Advisors Asset Management, Inc. | 64,203 | $1.12M | 0.02% | +21,207+49.3% | Added |
| SG Americas Securities, LLC | 66,390 | $1.16M | 0.00% | +45,715+221.1% | Added |
| Wedge Capital Management L L P | 66,549 | $1.16M | 0.02% | +66,549 | New |
| Daiwa Securities Group Inc. | 67,300 | $1.18M | 0.00% | +61,100+985.5% | Added |
| Sit Investment Associates Inc | 68,000 | $1.19M | 0.02% | +48,100+241.7% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 68,393 | $1.19M | 0.00% | +35,000+104.8% | Added |
| Virtu Financial LLC | 72,619 | $1.27M | 0.07% | +72,619 | New |
| Manufacturers Life Insurance Company, The | 73,542 | $1.28M | 0.00% | −5,266−6.7% | Reduced |
| Tower Research Capital LLC (TRC) | 74,923 | $1.31M | 0.04% | +60,832+431.7% | Added |
| Elo Mutual Pension Insurance Co | 75,043 | $1.31M | 0.02% | +47,612+173.6% | Added |
| Intech Investment Management LLC | 75,468 | $1.32M | 0.01% | +8,547+12.8% | Added |
| Skylands Capital, LLC | 79,500 | $1.39M | 0.19% | +6,100+8.3% | Added |
| Schonfeld Strategic Advisors LLC | 80,305 | $1.40M | 0.01% | +49,738+162.7% | Added |
| Great West Life Assurance Co | 82,707 | $1.43M | 0.00% | +2,277+2.8% | Added |
| State Board of Administration of Florida Retirement System | 85,441 | $1.49M | 0.00% | −1,535−1.8% | Reduced |
| Gsa Capital Partners LLP | 87,962 | $1.54M | 0.13% | +69,053+365.2% | Added |
| State of New Jersey Common Pension Fund D | 88,114 | $1.54M | 0.01% | +14,340+19.4% | Added |
| Sherbrooke Park Advisers LLC | 89,340 | $1.56M | 0.73% | +73,317+457.6% | Added |
| PDT Partners, LLC | 90,226 | $1.58M | 0.10% | +90,226 | New |
| California State Teachers Retirement System | 91,971 | $1.61M | 0.00% | −5,863−6.0% | Reduced |
| Ameriprise Financial Inc | 93,425 | $1.63M | 0.00% | −35,064−27.3% | Reduced |
| Paralel Advisors LLC | 97,919 | $1.71M | 0.07% | +128+0.1% | Added |
| Brevan Howard Capital Management LP | 100,693 | $1.76M | 0.03% | +69,802+226.0% | Added |
| Advisor Group Holdings, Inc. | 75,204 | $1.81M | 0.00% | +59,074+366.2% | Added |
| Price T Rowe Associates Inc | 105,226 | $1.84M | 0.00% | −1,863,323−94.7% | Reduced |
| Royal Bank of Canada | 106,841 | $1.86M | 0.00% | −18,345−14.7% | Reduced |
| XTX Topco Ltd | 107,834 | $1.88M | 0.10% | +107,834 | New |
| Verition Fund Management LLC | 110,364 | $1.93M | 0.01% | +18,592+20.3% | Added |
| Stifel Financial Corp | 112,873 | $1.97M | 0.00% | +73,058+183.5% | Added |
| New York State Teachers Retirement System | 113,799 | $1.99M | 0.00% | −555−0.5% | Reduced |
| Weiss Asset Management LP | 116,138 | $2.03M | 0.03% | +78,086+205.2% | Added |
| Bridgewater Associates, LP | 116,726 | $2.04M | 0.01% | +116,726 | New |
| ExodusPoint Capital Management, LP | 118,093 | $2.06M | 0.03% | +110,117+1,380.6% | Added |
| Russell Investments Group, Ltd. | 121,429 | $2.12M | 0.00% | +84,683+230.5% | Added |
| AQR Capital Management LLC | 128,055 | $2.21M | 0.00% | −78,468−38.0% | Reduced |
| Agf Management Ltd | 132,467 | $2.31M | 0.01% | +16,285+14.0% | Added |
| Holocene Advisors, LP | 136,778 | $2.39M | 0.01% | +76,499+126.9% | Added |
| Capital Fund Management S.A. | 139,231 | $2.43M | 0.02% | +41,390+42.3% | Added |
| Twinbeech Capital LP | 140,311 | $2.45M | 0.10% | +140,311 | New |
| Amundi | 126,760 | $2.54M | 0.00% | +126,760 | New |
| Squarepoint Ops LLC | 152,705 | $2.67M | 0.01% | +138,231+955.0% | Added |
| BNP Paribas Arbitrage, SA | 156,986 | $2.74M | 0.00% | +16,515+11.8% | Added |
| Worldquant Millennium Advisors LLC | 170,747 | $2.98M | 0.01% | +170,747 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 172,320 | $3.01M | 0.00% | +20,901+13.8% | Added |
| State of Wisconsin Investment Board | 172,365 | $3.01M | 0.01% | +254+0.1% | Added |
| Voya Investment Management LLC | 175,701 | $3.07M | 0.00% | −549,403−75.8% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 180,753 | $3.16M | 0.02% | +15,303+9.2% | Added |
| Swiss National Bank | 188,700 | $3.29M | 0.00% | +1,800+1.0% | Added |
| Botty Investors LLC | 195,707 | $3.42M | 0.94% | +102,098+109.1% | Added |
| Alliancebernstein L.P. | 198,117 | $3.46M | 0.00% | +53,624+37.1% | Added |
| Carolina Wealth Advisors, LLC | 205,534 | $3.59M | 1.55% | +203,019+8,072.3% | Added |
| Two Sigma Advisers, LP | 225,700 | $3.94M | 0.01% | +185,900+467.1% | Added |
| Blair William & Co | 227,731 | $3.98M | 0.01% | +28,120+14.1% | Added |
| Principal Financial Group Inc | 235,526 | $4.11M | 0.00% | −9,384−3.8% | Reduced |
| Susquehanna International Group, LLP | 239,364 | $4.18M | 0.01% | +176,120+278.5% | Added |
| Victory Capital Management Inc | 249,593 | $4.36M | 0.00% | +135,445+118.7% | Added |
| Rhumbline Advisers | 267,069 | $4.66M | 0.00% | −18,692−6.5% | Reduced |
| Retirement Systems of Alabama | 279,697 | $4.88M | 0.02% | −3,899−1.4% | Reduced |
| Robertson Opportunity Capital, LLC | 287,346 | $5.02M | 1.72% | +4,000+1.4% | Added |
| Engineers Gate Manager LP | 292,318 | $5.10M | 0.06% | +257,016+728.0% | Added |
| Balyasny Asset Management LLC | 293,366 | $5.12M | 0.01% | +293,366 | New |
| Crossmark Global Holdings, Inc. | 299,572 | $5.23M | 0.08% | +15,198+5.3% | Added |
| Gotham Asset Management, LLC | 307,518 | $5.37M | 0.02% | −643,681−67.7% | Reduced |
| Citigroup Inc | 310,797 | $5.43M | 0.00% | +237,456+323.8% | Added |
| Nordea Investment Management AB | 317,938 | $5.51M | 0.00% | +3,169+1.0% | Added |
| Dark Forest Capital Management LP | 318,699 | $5.56M | 0.21% | +254,425+395.8% | Added |
| Legal & General Group Plc | 323,729 | $5.65M | 0.00% | −21,763−6.3% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 345,226 | $6.03M | 0.14% | +331,738+2,459.5% | Added |
| Nuveen, LLC | 369,009 | $6.44M | 0.00% | −3,381−0.9% | Reduced |
| Voloridge Investment Management, LLC | 380,303 | $6.64M | 0.02% | +380,303 | New |
| FMR LLC | 382,399 | $6.68M | 0.00% | −511,873−57.2% | Reduced |
| Davy Global Fund Management Ltd | 385,311 | $6.73M | 0.46% | +216,517+128.3% | Added |
| UBS Asset Management Americas Inc | 406,634 | $7.10M | 0.00% | −245,710−37.7% | Reduced |
| First Trust Advisors LP | 414,724 | $7.24M | 0.01% | +131,144+46.2% | Added |
| Raymond James Financial Inc | 432,051 | $7.54M | 0.00% | −169,163−28.1% | Reduced |
| Qube Research & Technologies Ltd | 466,600 | $8.15M | 0.01% | +456,444+4,494.3% | Added |
| Jane Street Group, LLC | 504,534 | $8.81M | 0.01% | +152,950+43.5% | Added |
| Brown Advisory Inc | 512,910 | $8.96M | 0.01% | +330.0% | Added |
| Barclays PLC | 537,862 | $9.39M | 0.00% | −337,818−38.6% | Reduced |
| Trexquant Investment LP | 569,802 | $9.95M | 0.10% | +532,130+1,412.5% | Added |
| Pinnacle Associates Ltd | 607,485 | $10.6M | 0.14% | +24,622+4.2% | Added |
| JPMorgan Chase & Co | 612,610 | $10.7M | 0.00% | +50,239+8.9% | Added |
| Tudor Investment Corp Et Al | 660,934 | $11.5M | 0.07% | +660,934 | New |
| M&G Plc | 680,857 | $11.6M | 0.06% | +680,857 | New |
| Bamco Inc | 682,926 | $11.9M | 0.03% | −7,694,981−91.8% | Reduced |
| Anchor Capital Management Company, LLC | 735,366 | $12.8M | 11.05% | −155,551−17.5% | Reduced |
| Two Sigma Investments, LP | 739,590 | $12.9M | 0.02% | +567,971+330.9% | Added |
| Van Eck Associates Corp | 762,671 | $13.3M | 0.01% | +430,736+129.8% | Added |
| Penserra Capital Management LLC | 776,576 | $13.6M | 0.16% | +360,015+86.4% | Added |
| Jupiter Asset Management Ltd | 850,036 | $14.8M | 0.13% | +495,034+139.4% | Added |
| Invesco Ltd. | 887,349 | $15.5M | 0.00% | +178,937+25.3% | Added |
| Arrowstreet Capital, Limited Partnership | 937,581 | $16.4M | 0.01% | +560,010+148.3% | Added |