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, 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 | 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, 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 |
|---|---|---|---|---|---|
| Envestnet Asset Management Inc | 106,301 | $2.95M | 0.00% | +106,301 | New |
| Icon Advisers Inc | 106,467 | $2.95M | 0.68% | −3,000−2.7% | Reduced |
| Bridgewater Associates, LP | 106,600 | $2.96M | 0.01% | −313,238−74.6% | Reduced |
| Point72 Asset Management, L.P. | 106,833 | $2.96M | 0.01% | −141,628−57.0% | Reduced |
| Advisors Asset Management, Inc. | 109,824 | $3.05M | 0.05% | +22,408+25.6% | Added |
| New York State Teachers Retirement System | 111,212 | $3.08M | 0.01% | −2,998−2.6% | Reduced |
| California State Teachers Retirement System | 112,063 | $3.11M | 0.00% | +20,362+22.2% | Added |
| Oak Thistle LLC | 113,057 | $3.14M | 0.30% | +113,057 | New |
| Citigroup Inc | 114,021 | $3.16M | 0.00% | +24,637+27.6% | Added |
| Algert Global LLC | 115,088 | $3.19M | 0.05% | −53,510−31.7% | Reduced |
| Mariner, LLC | 117,695 | $3.26M | 0.00% | +117,695 | New |
| BNP Paribas Arbitrage, SA | 119,989 | $3.33M | 0.00% | −64,160−34.8% | Reduced |
| Daiwa Securities Group Inc. | 120,500 | $3.34M | 0.01% | +7,800+6.9% | Added |
| Balyasny Asset Management LLC | 123,555 | $3.43M | 0.01% | −67,003−35.2% | Reduced |
| Renaissance Technologies LLC | 128,100 | $3.55M | 0.01% | +128,100 | New |
| PDT Partners, LLC | 138,207 | $3.83M | 0.23% | 00.0% | Unchanged |
| Holocene Advisors, LP | 149,354 | $4.14M | 0.01% | +8,219+5.8% | Added |
| Retirement Systems of Alabama | 151,400 | $4.20M | 0.01% | 00.0% | Unchanged |
| Morgens Waterfall Vintiadis & Co Inc | 154,000 | $4.27M | 5.26% | +154,000 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 161,046 | $4.47M | 0.02% | −16,674−9.4% | Reduced |
| Swiss National Bank | 186,400 | $5.17M | 0.00% | −2,300−1.2% | Reduced |
| Los Angeles Capital Management LLC | 192,128 | $5.33M | 0.02% | +191,796+57,769.9% | Added |
| Botty Investors LLC | 197,066 | $5.47M | 1.30% | 00.0% | Unchanged |
| Bessemer Group Inc | 217,485 | $6.03M | 0.01% | +217,088+54,682.1% | Added |
| Victory Capital Management Inc | 219,206 | $6.08M | 0.00% | −103,336−32.0% | Reduced |
| Blair William & Co | 220,251 | $6.11M | 0.02% | −14,707−6.3% | Reduced |
| Ameriprise Financial Inc | 233,301 | $6.47M | 0.00% | +35,847+18.2% | Added |
| Rhumbline Advisers | 234,248 | $6.50M | 0.01% | +9,739+4.3% | Added |
| Nordea Investment Management AB | 255,788 | $6.99M | 0.01% | −11,827−4.4% | Reduced |
| Defiance ETFs, LLC | 255,175 | $7.08M | 0.10% | −309,979−54.8% | Reduced |
| CX Institutional | 272,787 | $7.57M | 0.23% | +272,787 | New |
| Robertson Opportunity Capital, LLC | 287,346 | $7.97M | 3.07% | +287,346 | New |
| Susquehanna International Group, LLP | 291,694 | $8.09M | 0.01% | +119,932+69.8% | Added |
| Janus Henderson Group PLC | 306,684 | $8.51M | 0.00% | +27,325+9.8% | Added |
| Bank of America Corp | 351,234 | $9.74M | 0.00% | +134,863+62.3% | Added |
| First Trust Advisors LP | 352,249 | $9.77M | 0.01% | −76,100−17.8% | Reduced |
| Russell Investments Group, Ltd. | 352,947 | $9.77M | 0.01% | +44,697+14.5% | Added |
| UBS Asset Management Americas Inc | 359,530 | $9.97M | 0.00% | −1,229−0.3% | Reduced |
| Raymond James Financial Inc | 368,276 | $10.2M | 0.00% | +41,019+12.5% | Added |
| Public Sector Pension Investment Board | 375,511 | $10.4M | 0.03% | +13,011+3.6% | Added |
| Legal & General Group Plc | 378,692 | $10.5M | 0.00% | −32,201−7.8% | Reduced |
| Stifel Financial Corp | 397,887 | $11.0M | 0.01% | +95,107+31.4% | Added |
| Two Sigma Investments, LP | 402,428 | $11.2M | 0.01% | −298,116−42.6% | Reduced |
| Nuveen, LLC | 425,145 | $11.8M | 0.00% | −174,255−29.1% | Reduced |
| Millennium Management LLC | 494,662 | $13.7M | 0.01% | −542,619−52.3% | Reduced |
| Principal Financial Group Inc | 508,290 | $14.1M | 0.01% | +10,702+2.2% | Added |
| Brown Advisory Inc | 512,576 | $14.2M | 0.02% | +2220.0% | Added |
| Panagora Asset Management Inc | 529,520 | $14.7M | 0.06% | +529,520 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 538,427 | $14.9M | 0.01% | +141,785+35.7% | Added |
| FMR LLC | 540,053 | $15.0M | 0.00% | +80,192+17.4% | Added |
| Pinnacle Associates Ltd | 562,741 | $15.6M | 0.20% | −43,643−7.2% | Reduced |
| Vanguard Fiduciary Trust Co | 636,855 | $17.7M | 0.00% | +636,855 | New |
| JPMorgan Chase & Co | 708,297 | $19.0M | 0.00% | +162,273+29.7% | Added |
| Nikko Asset Management Americas, Inc. | 736,973 | $20.4M | 0.29% | −380,979−34.1% | Reduced |
| Penserra Capital Management LLC | 755,728 | $21.0M | 0.25% | −97,471−11.4% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 791,773 | $22.0M | 0.01% | −378,479−32.3% | Reduced |
| Northern Trust Corp | 863,494 | $24.0M | 0.00% | −110,907−11.4% | Reduced |
| Pacer Advisors, Inc. | 890,382 | $24.7M | 0.07% | −468,324−34.5% | Reduced |
| Jupiter Asset Management Ltd | 893,282 | $24.8M | 0.13% | +84,890+10.5% | Added |
| Goldman Sachs Group Inc | 928,388 | $25.8M | 0.00% | −1,394,782−60.0% | Reduced |
| Select Equity Group, L.P. | 942,519 | $26.1M | 0.14% | +106,638+12.8% | Added |
| Invesco Ltd. | 987,926 | $27.4M | 0.00% | −6,279−0.6% | Reduced |
| Barclays PLC | 994,069 | $27.6M | 0.01% | +13,222+1.3% | Added |
| Arrowstreet Capital, Limited Partnership | 1,101,231 | $30.5M | 0.02% | −54,236−4.7% | Reduced |
| Bank of New York Mellon Corp | 1,150,450 | $31.9M | 0.01% | −23,311−2.0% | Reduced |
| Schroder Investment Management Group | 1,282,639 | $34.4M | 0.03% | +327,932+34.3% | Added |
| UBS Group AG | 1,284,561 | $35.6M | 0.01% | +11,342+0.9% | Added |
| Charles Schwab Investment Management Inc | 1,366,005 | $37.9M | 0.01% | +159,816+13.2% | Added |
| Van Eck Associates Corp | 1,504,628 | $41.7M | 0.03% | +300,326+24.9% | Added |
| Morgan Stanley | 1,583,337 | $43.9M | 0.00% | −211,865−11.8% | Reduced |
| ARK Investment Management LLCSuperinvestorARK Invest | 1,726,802 | $47.9M | 0.37% | −1,123,804−39.4% | Reduced |
| Man Group plc | 1,907,044 | $52.9M | 0.11% | +55,516+3.0% | Added |
| Geode Capital Management, LLC | 2,007,011 | $55.7M | 0.00% | +99,214+5.2% | Added |
| Dimensional Fund Advisors LP | 2,159,061 | $59.9M | 0.01% | +65,937+3.2% | Added |
| AQR Capital Management LLC | 2,917,827 | $80.9M | 0.04% | +2,438,713+509.0% | Added |
| Gotham Asset Management, LLC | 3,353,971 | $93.0M | 0.28% | +1,044,221+45.2% | Added |
| American Century Companies Inc | 3,469,954 | $96.3M | 0.05% | +391,275+12.7% | Added |
| Vanguard Capital Management LLC | 4,111,325 | $114.0M | 0.00% | +4,111,325 | New |
| State Street Corp | 5,050,166 | $140.1M | 0.00% | +288,417+6.1% | Added |
| Silver Heights Capital Management Inc | 5,145,479 | $142.7M | 54.85% | −105,654−2.0% | Reduced |
| Vanguard Portfolio Management LLC | 6,091,749 | $169.0M | 0.01% | +6,091,749 | New |
| BlackRock, Inc. | 13,939,618 | $386.7M | 0.01% | +48,468+0.3% | Added |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −812,037−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −531,620−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −506,601−100.0% | Sold out |
| Maxi Investments CY Ltd | 0 | $0 | 0.00% | −424,000−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −353,826−100.0% | Sold out |
| Crossmark Global Holdings, Inc. | 0 | $0 | 0.00% | −291,486−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −248,011−100.0% | Sold out |
| Bamco Inc | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −153,756−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −151,605−100.0% | Sold out |
| Redwood Investment Management, LLC | 0 | $0 | 0.00% | −138,991−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −103,282−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −96,497−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −84,442−100.0% | Sold out |
| Gilder Gagnon Howe & Co LLC | 0 | $0 | 0.00% | −63,650−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −63,051−100.0% | Sold out |
| VARCOV Co. | 0 | $0 | 0.00% | −54,471−100.0% | Sold out |
| RD Finance Ltd | 0 | $0 | 0.00% | −51,150−100.0% | Sold out |