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, Q1 2026
Institutional positions in Iridium Communications Inc. as of Mar 31, 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
- Institutional holders
- 382
- +63 vs. Q4 2025
- Shares held
- 90.3M
- +6.72M (+8.0%) vs. Q4 2025
- Total value
- $2.50B
- +$1.05B (+72.2%) vs. Q4 2025
- New holders
- 108
- 123 more added
- Sold out
- 45
- 102 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Iridium Communications Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 13,939,618 | $386.7M | 0.01% | +48,468+0.3% | Added |
| Vanguard Portfolio Management LLC | 6,091,749 | $169.0M | 0.01% | +6,091,749 | New |
| Silver Heights Capital Management Inc | 5,145,479 | $142.7M | 54.85% | −105,654−2.0% | Reduced |
| State Street Corp | 5,050,166 | $140.1M | 0.00% | +288,417+6.1% | Added |
| Vanguard Capital Management LLC | 4,111,325 | $114.0M | 0.00% | +4,111,325 | New |
| American Century Companies Inc | 3,469,954 | $96.3M | 0.05% | +391,275+12.7% | Added |
| Gotham Asset Management, LLC | 3,353,971 | $93.0M | 0.28% | +1,044,221+45.2% | Added |
| AQR Capital Management LLC | 2,917,827 | $80.9M | 0.04% | +2,438,713+509.0% | Added |
| Dimensional Fund Advisors LP | 2,159,061 | $59.9M | 0.01% | +65,937+3.2% | Added |
| Geode Capital Management, LLC | 2,007,011 | $55.7M | 0.00% | +99,214+5.2% | Added |
| Man Group plc | 1,907,044 | $52.9M | 0.11% | +55,516+3.0% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 1,726,802 | $47.9M | 0.37% | −1,123,804−39.4% | Reduced |
| Morgan Stanley | 1,583,337 | $43.9M | 0.00% | −211,865−11.8% | Reduced |
| Van Eck Associates Corp | 1,504,628 | $41.7M | 0.03% | +300,326+24.9% | Added |
| Charles Schwab Investment Management Inc | 1,366,005 | $37.9M | 0.01% | +159,816+13.2% | Added |
| UBS Group AG | 1,284,561 | $35.6M | 0.01% | +11,342+0.9% | Added |
| Schroder Investment Management Group | 1,282,639 | $34.4M | 0.03% | +327,932+34.3% | Added |
| Bank of New York Mellon Corp | 1,150,450 | $31.9M | 0.01% | −23,311−2.0% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,101,231 | $30.5M | 0.02% | −54,236−4.7% | Reduced |
| Barclays PLC | 994,069 | $27.6M | 0.01% | +13,222+1.3% | Added |
| Invesco Ltd. | 987,926 | $27.4M | 0.00% | −6,279−0.6% | Reduced |
| Select Equity Group, L.P. | 942,519 | $26.1M | 0.14% | +106,638+12.8% | Added |
| Goldman Sachs Group Inc | 928,388 | $25.8M | 0.00% | −1,394,782−60.0% | Reduced |
| Jupiter Asset Management Ltd | 893,282 | $24.8M | 0.13% | +84,890+10.5% | Added |
| Pacer Advisors, Inc. | 890,382 | $24.7M | 0.07% | −468,324−34.5% | Reduced |
| Northern Trust Corp | 863,494 | $24.0M | 0.00% | −110,907−11.4% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 791,773 | $22.0M | 0.01% | −378,479−32.3% | Reduced |
| Penserra Capital Management LLC | 755,728 | $21.0M | 0.25% | −97,471−11.4% | Reduced |
| Nikko Asset Management Americas, Inc. | 736,973 | $20.4M | 0.29% | −380,979−34.1% | Reduced |
| JPMorgan Chase & Co | 708,297 | $19.0M | 0.00% | +162,273+29.7% | Added |
| Vanguard Fiduciary Trust Co | 636,855 | $17.7M | 0.00% | +636,855 | New |
| Pinnacle Associates Ltd | 562,741 | $15.6M | 0.20% | −43,643−7.2% | Reduced |
| FMR LLC | 540,053 | $15.0M | 0.00% | +80,192+17.4% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 538,427 | $14.9M | 0.01% | +141,785+35.7% | Added |
| Panagora Asset Management Inc | 529,520 | $14.7M | 0.06% | +529,520 | New |
| Brown Advisory Inc | 512,576 | $14.2M | 0.02% | +2220.0% | Added |
| Principal Financial Group Inc | 508,290 | $14.1M | 0.01% | +10,702+2.2% | Added |
| Millennium Management LLC | 494,662 | $13.7M | 0.01% | −542,619−52.3% | Reduced |
| Nuveen, LLC | 425,145 | $11.8M | 0.00% | −174,255−29.1% | Reduced |
| Two Sigma Investments, LP | 402,428 | $11.2M | 0.01% | −298,116−42.6% | Reduced |
| Stifel Financial Corp | 397,887 | $11.0M | 0.01% | +95,107+31.4% | Added |
| Legal & General Group Plc | 378,692 | $10.5M | 0.00% | −32,201−7.8% | Reduced |
| Public Sector Pension Investment Board | 375,511 | $10.4M | 0.03% | +13,011+3.6% | Added |
| Raymond James Financial Inc | 368,276 | $10.2M | 0.00% | +41,019+12.5% | Added |
| UBS Asset Management Americas Inc | 359,530 | $9.97M | 0.00% | −1,229−0.3% | Reduced |
| Russell Investments Group, Ltd. | 352,947 | $9.77M | 0.01% | +44,697+14.5% | Added |
| First Trust Advisors LP | 352,249 | $9.77M | 0.01% | −76,100−17.8% | Reduced |
| Bank of America Corp | 351,234 | $9.74M | 0.00% | +134,863+62.3% | Added |
| Janus Henderson Group PLC | 306,684 | $8.51M | 0.00% | +27,325+9.8% | Added |
| Susquehanna International Group, LLP | 291,694 | $8.09M | 0.01% | +119,932+69.8% | Added |
| Robertson Opportunity Capital, LLC | 287,346 | $7.97M | 3.07% | +287,346 | New |
| CX Institutional | 272,787 | $7.57M | 0.23% | +272,787 | New |
| Defiance ETFs, LLC | 255,175 | $7.08M | 0.10% | −309,979−54.8% | Reduced |
| Nordea Investment Management AB | 255,788 | $6.99M | 0.01% | −11,827−4.4% | Reduced |
| Rhumbline Advisers | 234,248 | $6.50M | 0.01% | +9,739+4.3% | Added |
| Ameriprise Financial Inc | 233,301 | $6.47M | 0.00% | +35,847+18.2% | Added |
| Blair William & Co | 220,251 | $6.11M | 0.02% | −14,707−6.3% | Reduced |
| Victory Capital Management Inc | 219,206 | $6.08M | 0.00% | −103,336−32.0% | Reduced |
| Bessemer Group Inc | 217,485 | $6.03M | 0.01% | +217,088+54,682.1% | Added |
| Botty Investors LLC | 197,066 | $5.47M | 1.30% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 192,128 | $5.33M | 0.02% | +191,796+57,769.9% | Added |
| Swiss National Bank | 186,400 | $5.17M | 0.00% | −2,300−1.2% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 161,046 | $4.47M | 0.02% | −16,674−9.4% | Reduced |
| Morgens Waterfall Vintiadis & Co Inc | 154,000 | $4.27M | 5.26% | +154,000 | New |
| Retirement Systems of Alabama | 151,400 | $4.20M | 0.01% | 00.0% | Unchanged |
| Holocene Advisors, LP | 149,354 | $4.14M | 0.01% | +8,219+5.8% | Added |
| PDT Partners, LLC | 138,207 | $3.83M | 0.23% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 128,100 | $3.55M | 0.01% | +128,100 | New |
| Balyasny Asset Management LLC | 123,555 | $3.43M | 0.01% | −67,003−35.2% | Reduced |
| Daiwa Securities Group Inc. | 120,500 | $3.34M | 0.01% | +7,800+6.9% | Added |
| BNP Paribas Arbitrage, SA | 119,989 | $3.33M | 0.00% | −64,160−34.8% | Reduced |
| Mariner, LLC | 117,695 | $3.26M | 0.00% | +117,695 | New |
| Algert Global LLC | 115,088 | $3.19M | 0.05% | −53,510−31.7% | Reduced |
| Citigroup Inc | 114,021 | $3.16M | 0.00% | +24,637+27.6% | Added |
| Oak Thistle LLC | 113,057 | $3.14M | 0.30% | +113,057 | New |
| California State Teachers Retirement System | 112,063 | $3.11M | 0.00% | +20,362+22.2% | Added |
| New York State Teachers Retirement System | 111,212 | $3.08M | 0.01% | −2,998−2.6% | Reduced |
| Advisors Asset Management, Inc. | 109,824 | $3.05M | 0.05% | +22,408+25.6% | Added |
| Point72 Asset Management, L.P. | 106,833 | $2.96M | 0.01% | −141,628−57.0% | Reduced |
| Bridgewater Associates, LP | 106,600 | $2.96M | 0.01% | −313,238−74.6% | Reduced |
| Icon Advisers Inc | 106,467 | $2.95M | 0.68% | −3,000−2.7% | Reduced |
| Envestnet Asset Management Inc | 106,301 | $2.95M | 0.00% | +106,301 | New |
| Alliancebernstein L.P. | 168,896 | $2.94M | 0.00% | −183−0.1% | Reduced |
| Great West Life Assurance Co | 103,589 | $2.88M | 0.01% | −2,166−2.0% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 102,676 | $2.85M | 0.00% | +6,549+6.8% | Added |
| Aquatic Capital Management LLC | 100,576 | $2.79M | 0.08% | +69,792+226.7% | Added |
| Paralel Advisors LLC | 97,919 | $2.72M | 0.11% | 00.0% | Unchanged |
| Prudential Financial Inc | 96,254 | $2.67M | 0.00% | −450−0.5% | Reduced |
| Price T Rowe Associates Inc | 95,799 | $2.66M | 0.00% | +5,889+6.5% | Added |
| Quadrature Capital Ltd | 89,685 | $2.49M | 0.03% | +89,685 | New |
| SEI Investments Co | 88,790 | $2.46M | 0.00% | +49,034+123.3% | Added |
| State Board of Administration of Florida Retirement System | 85,441 | $2.37M | 0.00% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 83,333 | $2.31M | 0.00% | +17,910+27.4% | Added |
| Creative Planning | 79,779 | $2.21M | 0.00% | +38,770+94.5% | Added |
| Thrivent Financial for Lutherans | 78,877 | $2.19M | 0.00% | −5,197−6.2% | Reduced |
| State of Wisconsin Investment Board | 77,203 | $2.14M | 0.00% | −2,309−2.9% | Reduced |
| SIH Partners, LLLP | 75,691 | $2.10M | 0.06% | +75,691 | New |
| Edgestream Partners, L.P. | 75,082 | $2.08M | 0.07% | +75,082 | New |
| Skopos Labs, Inc. | 71,837 | $1.99M | 0.06% | +71,837 | New |
| Vanguard Investments Australia, Ltd. | 71,253 | $1.98M | 0.01% | +71,253 | New |