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 |
|---|---|---|---|---|---|
| Numerai GP LLC | 48,842 | $848.9K | 0.10% | +14,580+42.6% | Added |
| Wells Fargo & Company | 49,884 | $867.0K | 0.00% | +37,182+292.7% | Added |
| RD Finance Ltd | 51,150 | $889.0K | 0.90% | +51,150 | New |
| Janney Montgomery Scott LLC | 52,107 | $906.0K | 0.00% | +39,225+304.5% | Added |
| Natixis | 52,175 | $906.8K | 0.00% | +52,175 | New |
| Pathstone Holdings, LLC | 53,091 | $922.7K | 0.00% | +3,530+7.1% | Added |
| State of Alaska, Department of Revenue | 53,334 | $926.0K | 0.01% | +41,734+359.8% | Added |
| Virtu Financial LLC | 53,549 | $931.0K | 0.04% | −19,070−26.3% | Reduced |
| VARCOV Co. | 54,471 | $946.7K | 0.37% | +54,471 | New |
| State of Tennessee, Treasury Department | 48,695 | $970.0K | 0.00% | +15,752+47.8% | Added |
| SG Americas Securities, LLC | 56,677 | $985.0K | 0.00% | −9,713−14.6% | Reduced |
| XTX Topco Ltd | 57,111 | $992.6K | 0.03% | −50,723−47.0% | Reduced |
| Wedge Capital Management L L P | 62,379 | $1.08M | 0.02% | −4,170−6.3% | Reduced |
| IMC-Chicago, LLC | 63,051 | $1.10M | 0.02% | +37,742+149.1% | Added |
| Gilder Gagnon Howe & Co LLC | 63,650 | $1.11M | 0.01% | −122−0.2% | Reduced |
| Canada Pension Plan Investment Board | 64,512 | $1.12M | 0.00% | +64,512 | New |
| D. E. Shaw & Co., Inc. | 65,423 | $1.14M | 0.00% | +13,561+26.1% | Added |
| Sit Investment Associates Inc | 68,000 | $1.18M | 0.02% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 79,512 | $1.38M | 0.00% | −92,853−53.9% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 79,851 | $1.39M | 0.00% | +79,851 | New |
| Elo Mutual Pension Insurance Co | 83,692 | $1.45M | 0.02% | +8,649+11.5% | Added |
| Thrivent Financial for Lutherans | 84,074 | $1.46M | 0.00% | +47,595+130.5% | Added |
| Verition Fund Management LLC | 84,442 | $1.47M | 0.01% | −25,922−23.5% | Reduced |
| State Board of Administration of Florida Retirement System | 85,441 | $1.48M | 0.00% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 87,416 | $1.52M | 0.03% | +23,213+36.2% | Added |
| Citigroup Inc | 89,384 | $1.55M | 0.00% | −221,413−71.2% | Reduced |
| Price T Rowe Associates Inc | 89,910 | $1.56M | 0.00% | −15,316−14.6% | Reduced |
| California State Teachers Retirement System | 91,701 | $1.59M | 0.00% | −270−0.3% | Reduced |
| Intech Investment Management LLC | 92,900 | $1.61M | 0.01% | +17,432+23.1% | Added |
| Weiss Asset Management LP | 96,497 | $1.68M | 0.02% | −19,641−16.9% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 96,127 | $1.68M | 0.00% | +43,297+82.0% | Added |
| Prudential Financial Inc | 96,704 | $1.68M | 0.00% | +86,256+825.6% | Added |
| Paralel Advisors LLC | 97,919 | $1.70M | 0.07% | 00.0% | Unchanged |
| Jane Street Group, LLC | 103,282 | $1.80M | 0.00% | −401,252−79.5% | Reduced |
| Great West Life Assurance Co | 105,755 | $1.84M | 0.00% | +23,048+27.9% | Added |
| CWM Advisors, LLC | 109,165 | $1.90M | 0.17% | +80,058+275.0% | Added |
| ExodusPoint Capital Management, LP | 109,244 | $1.90M | 0.02% | −8,849−7.5% | Reduced |
| Icon Advisers Inc | 109,467 | $1.90M | 0.41% | +57,900+112.3% | Added |
| Daiwa Securities Group Inc. | 112,700 | $1.96M | 0.01% | +45,400+67.5% | Added |
| Voya Investment Management LLC | 113,473 | $1.97M | 0.00% | −62,228−35.4% | Reduced |
| New York State Teachers Retirement System | 114,210 | $1.99M | 0.00% | +411+0.4% | Added |
| PDT Partners, LLC | 138,207 | $2.40M | 0.16% | +47,981+53.2% | Added |
| Amundi | 138,937 | $2.41M | 0.00% | +12,177+9.6% | Added |
| Redwood Investment Management, LLC | 138,991 | $2.42M | 0.27% | +138,991 | New |
| Holocene Advisors, LP | 141,135 | $2.45M | 0.01% | +4,357+3.2% | Added |
| Marshall Wace, LLP | 148,836 | $2.59M | 0.00% | +87,358+142.1% | Added |
| Retirement Systems of Alabama | 151,400 | $2.63M | 0.01% | −128,297−45.9% | Reduced |
| Engineers Gate Manager LP | 151,605 | $2.63M | 0.03% | −140,713−48.1% | Reduced |
| Squarepoint Ops LLC | 153,756 | $2.67M | 0.01% | +1,051+0.7% | Added |
| Worldquant Millennium Advisors LLC | 153,949 | $2.68M | 0.01% | −16,798−9.8% | Reduced |
| Algert Global LLC | 168,598 | $2.93M | 0.05% | +168,598 | New |
| Alliancebernstein L.P. | 169,079 | $2.94M | 0.00% | −29,038−14.7% | Reduced |
| Acadian Asset Management LLC | 170,361 | $2.96M | 0.00% | +170,361 | New |
| Susquehanna International Group, LLP | 171,762 | $2.99M | 0.00% | −67,602−28.2% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 177,720 | $3.09M | 0.02% | −3,033−1.7% | Reduced |
| BNP Paribas Arbitrage, SA | 184,149 | $3.20M | 0.00% | +27,163+17.3% | Added |
| Swiss National Bank | 188,700 | $3.28M | 0.00% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 190,558 | $3.31M | 0.01% | −102,808−35.0% | Reduced |
| Carolina Wealth Advisors, LLC | 196,131 | $3.41M | 1.52% | −9,403−4.6% | Reduced |
| Botty Investors LLC | 197,066 | $3.43M | 0.81% | +1,359+0.7% | Added |
| Ameriprise Financial Inc | 197,454 | $3.43M | 0.00% | +104,029+111.4% | Added |
| Bamco Inc | 200,000 | $3.48M | 0.01% | −482,926−70.7% | Reduced |
| Bank of America Corp | 216,371 | $3.76M | 0.00% | −1,364,771−86.3% | Reduced |
| Rhumbline Advisers | 224,509 | $3.90M | 0.00% | −42,560−15.9% | Reduced |
| Blair William & Co | 234,958 | $4.08M | 0.01% | +7,227+3.2% | Added |
| Dark Forest Capital Management LP | 248,011 | $4.31M | 0.20% | −70,688−22.2% | Reduced |
| Point72 Asset Management, L.P. | 248,461 | $4.32M | 0.01% | +248,461 | New |
| Nordea Investment Management AB | 267,615 | $4.63M | 0.00% | −50,323−15.8% | Reduced |
| Janus Henderson Group PLC | 279,359 | $4.86M | 0.00% | +234,620+524.4% | Added |
| Crossmark Global Holdings, Inc. | 291,486 | $5.07M | 0.07% | −8,086−2.7% | Reduced |
| Stifel Financial Corp | 302,780 | $5.26M | 0.00% | +189,907+168.2% | Added |
| Russell Investments Group, Ltd. | 308,250 | $5.36M | 0.01% | +186,821+153.9% | Added |
| Victory Capital Management Inc | 322,542 | $5.61M | 0.00% | +72,949+29.2% | Added |
| Raymond James Financial Inc | 327,257 | $5.69M | 0.00% | −104,794−24.3% | Reduced |
| Two Sigma Advisers, LP | 353,826 | $6.15M | 0.01% | +128,126+56.8% | Added |
| UBS Asset Management Americas Inc | 360,759 | $6.27M | 0.00% | −45,875−11.3% | Reduced |
| Public Sector Pension Investment Board | 362,500 | $6.30M | 0.02% | +362,500 | New |
| Capital Fund Management S.A. | 378,575 | $6.58M | 0.06% | +239,344+171.9% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 396,642 | $7.04M | 0.00% | +224,322+130.2% | Added |
| Legal & General Group Plc | 410,893 | $7.14M | 0.00% | +87,164+26.9% | Added |
| Bridgewater Associates, LP | 419,838 | $7.30M | 0.03% | +303,112+259.7% | Added |
| Maxi Investments CY Ltd | 424,000 | $7.37M | 1.34% | +424,000 | New |
| First Trust Advisors LP | 428,349 | $7.44M | 0.01% | +13,625+3.3% | Added |
| FMR LLC | 459,861 | $7.99M | 0.00% | +77,462+20.3% | Added |
| AQR Capital Management LLC | 479,114 | $8.30M | 0.00% | +351,059+274.1% | Added |
| Principal Financial Group Inc | 497,588 | $8.65M | 0.00% | +262,062+111.3% | Added |
| Qube Research & Technologies Ltd | 506,601 | $8.80M | 0.01% | +40,001+8.6% | Added |
| Brown Advisory Inc | 512,354 | $8.90M | 0.01% | −556−0.1% | Reduced |
| Trexquant Investment LP | 531,620 | $9.24M | 0.08% | −38,182−6.7% | Reduced |
| JPMorgan Chase & Co | 546,024 | $9.49M | 0.00% | −66,586−10.9% | Reduced |
| Defiance ETFs, LLC | 565,154 | $9.90M | 0.32% | +565,154 | New |
| Nuveen, LLC | 599,400 | $10.4M | 0.00% | +230,391+62.4% | Added |
| Pinnacle Associates Ltd | 606,384 | $10.5M | 0.14% | −1,101−0.2% | Reduced |
| Tudor Investment Corp Et Al | 666,046 | $11.6M | 0.06% | +5,112+0.8% | Added |
| Two Sigma Investments, LP | 700,544 | $12.2M | 0.02% | −39,046−5.3% | Reduced |
| Jupiter Asset Management Ltd | 808,392 | $14.0M | 0.11% | −41,644−4.9% | Reduced |
| Voloridge Investment Management, LLC | 812,037 | $14.1M | 0.05% | +431,734+113.5% | Added |
| Select Equity Group, L.P. | 835,881 | $14.5M | 0.07% | −225,572−21.3% | Reduced |
| Penserra Capital Management LLC | 853,199 | $14.8M | 0.18% | +76,623+9.9% | Added |
| Schroder Investment Management Group | 954,707 | $16.7M | 0.01% | −37,846−3.8% | Reduced |