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, Q2 2026
Institutional positions in Iridium Communications Inc. as of Jun 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: 291 institutions have reported holding IRDM so far. See Q3 2026
- Institutional holders
- 491
- +111 vs. Q1 2026
- Shares held
- 91.4M
- +1.57M (+1.7%) vs. Q1 2026
- Total value
- $5.01B
- +$2.52B (+101.2%) vs. Q1 2026
- New holders
- 159
- 155 more added
- Sold out
- 48
- 129 more reduced
6 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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 | 354 | $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, Q2 2026
Shares, value and share of portfolio for each institution holding Iridium Communications Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 13,447,338 | $737.6M | 0.01% | −492,280−3.5% | Reduced |
| AQR Capital Management LLC | 6,847,072 | $374.3M | 0.13% | +3,929,245+134.7% | Added |
| Vanguard Portfolio Management LLC | 5,440,399 | $298.4M | 0.01% | −651,350−10.7% | Reduced |
| American Century Companies Inc | 4,856,440 | $266.4M | 0.12% | +1,386,486+40.0% | Added |
| State Street Corp | 4,733,714 | $259.6M | 0.01% | −316,452−6.3% | Reduced |
| Vanguard Capital Management LLC | 4,232,161 | $232.1M | 0.00% | +120,836+2.9% | Added |
| Silver Heights Capital Management Inc | 3,274,947 | $179.6M | 55.43% | −1,870,532−36.4% | Reduced |
| Gotham Asset Management, LLC | 2,514,317 | $137.9M | 0.32% | −839,654−25.0% | Reduced |
| Dimensional Fund Advisors LP | 2,357,845 | $129.3M | 0.02% | +198,784+9.2% | Added |
| Van Eck Associates Corp | 2,270,799 | $124.6M | 0.08% | +766,171+50.9% | Added |
| Pacer Advisors, Inc. | 2,168,271 | $118.9M | 0.31% | +1,277,889+143.5% | Added |
| Geode Capital Management, LLC | 2,044,823 | $112.2M | 0.01% | +37,812+1.9% | Added |
| Morgan Stanley | 1,517,404 | $83.2M | 0.00% | −65,933−4.2% | Reduced |
| Charles Schwab Investment Management Inc | 1,317,782 | $72.3M | 0.01% | −48,223−3.5% | Reduced |
| ARK Investment Management LLCSuperinvestorARK Invest | 1,215,113 | $66.6M | 0.43% | −511,689−29.6% | Reduced |
| Bank of New York Mellon Corp | 1,144,055 | $62.8M | 0.01% | −6,395−0.6% | Reduced |
| UBS Group AG | 1,005,602 | $55.2M | 0.01% | −278,959−21.7% | Reduced |
| Balyasny Asset Management LLC | 967,572 | $53.1M | 0.10% | +844,017+683.1% | Added |
| Invesco Ltd. | 908,134 | $49.8M | 0.00% | −79,792−8.1% | Reduced |
| Northern Trust Corp | 854,112 | $46.8M | 0.01% | −9,382−1.1% | Reduced |
| Penserra Capital Management LLC | 838,592 | $46.0M | 0.35% | +82,864+11.0% | Added |
| JPMorgan Chase & Co | 789,191 | $43.3M | 0.00% | +80,894+11.4% | Added |
| Arrowstreet Capital, Limited Partnership | 754,424 | $41.4M | 0.02% | −346,807−31.5% | Reduced |
| Goldman Sachs Group Inc | 726,762 | $39.9M | 0.00% | −201,626−21.7% | Reduced |
| Vanguard Fiduciary Trust Co | 657,958 | $36.1M | 0.01% | +21,103+3.3% | Added |
| Schroder Investment Management Group | 641,884 | $35.0M | 0.02% | −640,755−50.0% | Reduced |
| Renaissance Technologies LLC | 609,799 | $33.4M | 0.05% | +481,699+376.0% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 587,179 | $32.2M | 0.02% | −204,594−25.8% | Reduced |
| Nikko Asset Management Americas, Inc. | 550,679 | $30.2M | 0.39% | −186,294−25.3% | Reduced |
| Brown Advisory Inc | 512,859 | $28.1M | 0.04% | +283+0.1% | Added |
| Massachusetts Financial Services Co | 509,978 | $28.0M | 0.01% | +509,978 | New |
| Principal Financial Group Inc | 509,489 | $27.9M | 0.01% | +1,199+0.2% | Added |
| Nuveen, LLC | 502,677 | $27.6M | 0.01% | +77,532+18.2% | Added |
| FMR LLC | 483,117 | $26.5M | 0.00% | −56,936−10.5% | Reduced |
| Panagora Asset Management Inc | 482,003 | $26.4M | 0.08% | −47,517−9.0% | Reduced |
| Sculptor Capital LP | 469,000 | $25.7M | 0.27% | +469,000 | New |
| First Trust Advisors LP | 465,768 | $25.5M | 0.02% | +113,519+32.2% | Added |
| Man Group plc | 416,442 | $22.8M | 0.04% | −1,490,602−78.2% | Reduced |
| Public Sector Pension Investment Board | 407,340 | $22.3M | 0.06% | +31,829+8.5% | Added |
| Russell Investments Group, Ltd. | 401,808 | $22.0M | 0.02% | +48,861+13.8% | Added |
| Jefferies Financial Group Inc. | 396,110 | $21.7M | 0.20% | +396,110 | New |
| Pinnacle Associates Ltd | 394,679 | $21.6M | 0.24% | −168,062−29.9% | Reduced |
| Legal & General Group Plc | 380,075 | $20.8M | 0.00% | +1,383+0.4% | Added |
| Two Sigma Investments, LP | 363,685 | $19.9M | 0.02% | −38,743−9.6% | Reduced |
| Susquehanna International Group, LLP | 361,703 | $19.8M | 0.02% | +70,009+24.0% | Added |
| IMC-Chicago, LLC | 354,368 | $19.4M | 0.18% | +354,368 | New |
| UBS Asset Management Americas Inc | 340,871 | $18.7M | 0.00% | −18,659−5.2% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 327,899 | $18.0M | 0.01% | −210,528−39.1% | Reduced |
| Jupiter Topco LLC | 325,387 | $17.8M | 0.01% | +325,387 | New |
| Ieq Capital, LLC | 311,175 | $17.1M | 0.08% | +269,755+651.3% | Added |
| Tema ETFs LLC | 309,229 | $17.0M | 0.55% | +309,229 | New |
| Braun Stacey Associates Inc | 295,922 | $16.2M | 0.46% | +295,922 | New |
| Alpine Associates Management Inc. | 289,700 | $15.9M | 0.99% | +289,700 | New |
| Defiance ETFs, LLC | 277,161 | $15.4M | 0.21% | +21,986+8.6% | Added |
| Mariner, LLC | 272,397 | $14.9M | 0.02% | +154,702+131.4% | Added |
| Nordea Investment Management AB | 260,001 | $13.9M | 0.01% | +4,213+1.6% | Added |
| Robertson Opportunity Capital, LLC | 250,346 | $13.7M | 5.33% | −37,000−12.9% | Reduced |
| Bank of America Corp | 245,134 | $13.4M | 0.00% | −106,100−30.2% | Reduced |
| Mackenzie Financial Corp | 236,542 | $13.0M | 0.01% | +185,761+365.8% | Added |
| Cushing Asset Management, LP | 236,000 | $12.9M | 0.58% | +236,000 | New |
| Botty Investors LLC | 230,796 | $12.7M | 2.67% | +33,730+17.1% | Added |
| Raymond James Financial Inc | 222,994 | $12.2M | 0.00% | −145,282−39.4% | Reduced |
| Bessemer Group Inc | 217,615 | $11.9M | 0.02% | +130+0.1% | Added |
| Premier Fund Managers Ltd | 206,371 | $11.3M | 1.02% | +206,371 | New |
| Rhumbline Advisers | 198,087 | $10.9M | 0.01% | −36,161−15.4% | Reduced |
| Swiss National Bank | 185,300 | $10.2M | 0.01% | −1,100−0.6% | Reduced |
| Ameriprise Financial Inc | 181,531 | $9.96M | 0.00% | −51,770−22.2% | Reduced |
| Weiss Asset Management LP | 173,416 | $9.51M | 0.11% | +173,416 | New |
| Blair William & Co | 172,503 | $9.46M | 0.02% | −47,748−21.7% | Reduced |
| Cerity Partners LLC | 171,875 | $9.43M | 0.01% | +116,745+211.8% | Added |
| CX Institutional | 171,098 | $9.38M | 0.27% | −101,689−37.3% | Reduced |
| Citigroup Inc | 163,745 | $8.98M | 0.00% | +49,724+43.6% | Added |
| Millennium Management LLC | 153,205 | $8.40M | 0.01% | −341,457−69.0% | Reduced |
| Magnetar Financial LLC | 153,186 | $8.40M | 0.08% | +153,186 | New |
| Retirement Systems of Alabama | 151,400 | $8.30M | 0.03% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 149,142 | $8.18M | 0.01% | +149,142 | New |
| Amundi | 141,756 | $7.78M | 0.00% | +113,844+407.9% | Added |
| PDT Partners, LLC | 138,207 | $7.58M | 0.40% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 135,240 | $7.42M | 0.04% | −25,806−16.0% | Reduced |
| CNH Partners LLC | 132,611 | $7.25M | 0.10% | +132,611 | New |
| Creative Planning | 129,974 | $7.13M | 0.00% | +50,195+62.9% | Added |
| Victory Capital Management Inc | 128,482 | $7.05M | 0.00% | −90,724−41.4% | Reduced |
| LPL Financial LLC | 127,605 | $7.00M | 0.00% | +77,691+155.6% | Added |
| CWM Advisors, LLC | 119,707 | $6.57M | 0.27% | +95,289+390.2% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 115,034 | $6.31M | 0.01% | +85,610+291.0% | Added |
| New York State Teachers Retirement System | 110,111 | $6.04M | 0.01% | −1,101−1.0% | Reduced |
| Allianz Asset Management GmbH | 109,634 | $6.01M | 0.01% | +109,634 | New |
| Great West Life Assurance Co | 109,479 | $6.00M | 0.01% | +5,890+5.7% | Added |
| Advisors Asset Management, Inc. | 106,829 | $5.86M | 0.09% | −2,995−2.7% | Reduced |
| California State Teachers Retirement System | 106,747 | $5.86M | 0.01% | −5,316−4.7% | Reduced |
| Price T Rowe Associates Inc | 104,140 | $5.71M | 0.00% | +8,341+8.7% | Added |
| Mercer Global Advisors Inc | 104,118 | $5.71M | 0.01% | +54,824+111.2% | Added |
| XTX Topco Ltd | 100,123 | $5.49M | 0.07% | +33,424+50.1% | Added |
| State of Wisconsin Investment Board | 97,778 | $5.36M | 0.01% | +20,575+26.7% | Added |
| Prudential Financial Inc | 95,599 | $5.24M | 0.01% | −655−0.7% | Reduced |
| Quantinno Capital Management LP | 88,308 | $4.84M | 0.01% | +26,470+42.8% | Added |
| Barclays PLC | 86,589 | $4.75M | 0.00% | −907,480−91.3% | Reduced |
| State Board of Administration of Florida Retirement System | 85,686 | $4.70M | 0.01% | +245+0.3% | Added |
| Daiwa Securities Group Inc. | 85,400 | $4.68M | 0.01% | −35,100−29.1% | Reduced |
| Thrivent Financial for Lutherans | 82,833 | $4.54M | 0.01% | +3,956+5.0% | Added |