Iridium CommunicationsIRDM
13F holders, Q3 2025 (September 30)324holders −7
59new positions
67sold out
9famous investors
$17.63avg. 13F price*
At the end of Q3 2025, 324 institutions reported holding Iridium Communications Inc. (IRDM) in their 13F filings, down 7 from Q2 2025. 59 opened new positions and 67 sold out. The largest holders were BlackRock, Inc. ($192.0M), Vanguard Group Inc. ($165.5M) and ARK Investment Management ($113.3M). 9 famous investors held it, including Cathie Wood (0.7% of ARK Investment Management's portfolio), Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Iridium Communications Inc.
- CUSIP
- 46269C102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 59 | $64.6M |
| Exits | 67 | $196.9M |
All 13F filers, Q2 2025 → Q3 2025: 23,061,418 shares bought and 22,545,926 shares sold, net +515,492 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 324 holders
| BlackRock, Inc. | 0.00% | Add +3.6% | 10,995,964 | $192.0M |
| Vanguard Group Inc. | 0.00% | Reduce -2.6% | 9,479,969 | $165.5M |
| ARK Investment Management | 0.67% | Add +21.7% | 6,490,108 | $113.3M |
| Silver Heights Capital Management Inc | 40.63% | Add +22.7% | 5,189,703 | $90.6M |
| Sumitomo Mitsui Trust Group, Inc. | 0.04% | Add +0.7% | 4,343,670 | $75.8M |
| Amova Asset Management Americas, Inc. | 0.73% | Add +0.1% | 4,313,080 | $75.3M |
| State Street Corp. | 0.00% | Reduce -1.0% | 4,035,893 | $70.5M |
| Millennium Management | 0.04% | Add +265.9% | 3,039,731 | $53.1M |
| American Century Companies Inc. | 0.03% | Add +9.0% | 2,878,902 | $50.3M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -8.9% | 2,327,395 | $40.6M |
| Synergy Asset Management, LLC | 1.45% | Add +100.0% | 1,324,366 | $40.0M |
| Man Group plc | 0.07% | Add +226.3% | 2,012,077 | $35.1M |
| Goldman Sachs Group Inc. | 0.00% | Add +1430.5% | 1,914,267 | $33.4M |
| Morgan Stanley | 0.00% | Reduce -25.9% | 1,838,230 | $32.1M |
| Pacer Advisors, Inc. | 0.08% | Add +74.5% | 1,744,095 | $30.5M |
| Geode Capital Management, LLC | 0.00% | Reduce -11.2% | 1,703,977 | $29.8M |
| Citadel Advisors | 0.02% | Add +36.0% | 1,649,843 | $28.8M |
| Bank of America Corp. | 0.00% | Add +124.8% | 1,581,142 | $27.6M |
| UBS Group AG | 0.00% | Add +86.9% | 1,368,527 | $23.9M |
| Bank of New York Mellon Corp | 0.00% | Reduce -6.0% | 1,071,996 | $18.7M |
| Select Equity Group, L.P. | 0.08% | Add +6.0% | 1,061,453 | $18.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +1.7% | 1,045,074 | $18.2M |
| Northern Trust Corp. | 0.00% | Reduce -36.2% | 1,043,569 | $18.2M |
| Schroder Investment Management Group | 0.01% | Reduce -52.4% | 992,553 | $17.2M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Add +148.3% | 937,581 | $16.4M |
| Invesco Ltd. | 0.00% | Add +25.3% | 887,349 | $15.5M |
| Jupiter Asset Management Ltd. | 0.13% | Add +139.4% | 850,036 | $14.8M |
| Penserra Capital Management LLC | 0.16% | Add +86.4% | 776,576 | $13.6M |
| Van Eck Associates Corp. | 0.01% | Add +129.8% | 762,671 | $13.3M |
| Two Sigma Investments, LP | 0.02% | Add +330.9% | 739,590 | $12.9M |
| Anchor Capital Management Company, LLC | 11.05% | Reduce -17.5% | 735,366 | $12.8M |
| Baron Capital (BAMCO) | 0.03% | Reduce -91.8% | 682,926 | $11.9M |
| M&G PLC | 0.06% | New | 680,857 | $11.6M |
| Tudor Investment Corporation | 0.08% | New | 660,934 | $11.5M |
| JPMorgan Chase & Co. | 0.00% | Add +8.9% | 612,610 | $10.7M |
| Pinnacle Associates Ltd. | 0.14% | Add +4.2% | 607,485 | $10.6M |
| Trexquant Investment LP | 0.10% | Add +1412.5% | 569,802 | $9.9M |
| Barclays PLC | 0.00% | Reduce -38.6% | 537,862 | $9.4M |
| Brown Advisory Inc. | 0.01% | Add +0.0% | 512,910 | $9.0M |
| Jane Street Group, LLC | 0.01% | Add +43.5% | 504,534 | $8.8M |
| Qube Research & Technologies Ltd | 0.01% | Add +4494.3% | 466,600 | $8.1M |
| Raymond James Financial Inc. | 0.00% | Reduce -28.1% | 432,051 | $7.5M |
| First Trust Advisors LP | 0.01% | Add +46.3% | 414,724 | $7.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -37.7% | 406,634 | $7.1M |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.46% | Add +128.3% | 385,311 | $6.7M |
| FMR LLC | 0.00% | Reduce -57.2% | 382,399 | $6.7M |
| Voloridge Investment Management, LLC | 0.02% | New | 380,303 | $6.6M |
| Nuveen, LLC | 0.00% | Reduce -0.9% | 369,009 | $6.4M |
| Y-Intercept (Hong Kong) Ltd | 0.14% | Add +2459.5% | 345,226 | $6.0M |
| Legal & General Group Plc | 0.00% | Reduce -6.3% | 323,729 | $5.7M |
| Dark Forest Capital Management LP | 0.21% | Add +395.8% | 318,699 | $5.6M |
| Nordea Investment Management AB | 0.00% | Add +1.0% | 317,938 | $5.5M |
| Citigroup Inc. | 0.00% | Add +323.8% | 310,797 | $5.4M |
| Gotham Asset Management | 0.02% | Reduce -67.7% | 307,518 | $5.4M |
| Crossmark Global Holdings, Inc. | 0.08% | Add +5.3% | 299,572 | $5.2M |
| Balyasny Asset Management L.P. | 0.01% | New | 293,366 | $5.1M |
| Engineers Gate Manager LP | 0.06% | Add +728.0% | 292,318 | $5.1M |
| Robertson Opportunity Capital, LLC | 1.72% | Add +1.4% | 287,346 | $5.0M |
| Retirement Systems of Alabama | 0.02% | Reduce -1.4% | 279,697 | $4.9M |
| Rhumbline Advisers | 0.00% | Reduce -6.5% | 267,069 | $4.7M |
| Victory Capital Management Inc. | 0.00% | Add +118.7% | 249,593 | $4.4M |
| Susquehanna International Group, LLP | 0.01% | Add +278.5% | 239,364 | $4.2M |
| Principal Financial Group Inc. | 0.00% | Reduce -3.8% | 235,526 | $4.1M |
| Blair William & Co. | 0.01% | Add +14.1% | 227,731 | $4.0M |
| Two Sigma Advisers, LP | 0.01% | Add +467.1% | 225,700 | $3.9M |
| Carolina Wealth Advisors, LLC | 1.55% | Add +8072.3% | 205,534 | $3.6M |
| Alliancebernstein L.P. | 0.00% | Add +37.1% | 198,117 | $3.5M |
| ArchPoint Investors | 0.94% | Add +109.1% | 195,707 | $3.4M |
| Swiss National Bank | 0.00% | Add +1.0% | 188,700 | $3.3M |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.02% | Add +9.3% | 180,753 | $3.2M |
| Voya Investment Management LLC | 0.00% | Reduce -75.8% | 175,701 | $3.1M |
| State of Wisconsin Investment Board | 0.01% | Add +0.1% | 172,365 | $3.0M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Add +13.8% | 172,320 | $3.0M |
| Worldquant Millennium Advisors LLC | 0.01% | New | 170,747 | $3.0M |
| BNP Paribas Financial Markets | 0.00% | Add +11.8% | 156,986 | $2.7M |
| Squarepoint Ops LLC | 0.01% | Add +955.0% | 152,705 | $2.7M |
| Amundi | 0.00% | New | 126,760 | $2.5M |
| Twinbeech Capital LP | 0.10% | New | 140,311 | $2.4M |
| Capital Fund Management S.A. | 0.02% | Add +42.3% | 139,231 | $2.4M |
| Holocene Advisors, LP | 0.01% | Add +126.9% | 136,778 | $2.4M |
| Agf Management Ltd. | 0.01% | Add +14.0% | 132,467 | $2.3M |
| AQR Capital Management | 0.00% | Reduce -38.0% | 128,055 | $2.2M |
| Russell Investments Group, Ltd. | 0.00% | Add +230.5% | 121,429 | $2.1M |
| ExodusPoint Capital Management, LP | 0.03% | Add +1380.6% | 118,093 | $2.1M |
| Bridgewater Associates | 0.01% | New | 116,726 | $2.0M |
| Weiss Asset Management LP | 0.04% | Add +205.2% | 116,138 | $2.0M |
| New York State Teachers Retirement System | 0.00% | Reduce -0.5% | 113,799 | $2.0M |
| Stifel Financial Corp. | 0.00% | Add +183.5% | 112,873 | $2.0M |
| Verition Fund Management LLC | 0.01% | Add +20.3% | 110,364 | $1.9M |
| XTX Topco Ltd | 0.10% | New | 107,834 | $1.9M |
| Royal Bank of Canada | 0.00% | Reduce -14.7% | 106,841 | $1.9M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -94.7% | 105,226 | $1.8M |
| Osaic Holdings, Inc. | 0.00% | Add +366.2% | 75,204 | $1.8M |
| Brevan Howard Capital Management LP | 0.03% | Add +226.0% | 100,693 | $1.8M |
| Paralel Advisors LLC | 0.07% | Add +0.1% | 97,919 | $1.7M |
| Ameriprise Financial Inc. | 0.00% | Reduce -27.3% | 93,425 | $1.6M |
| California State Teachers Retirement System | 0.00% | Reduce -6.0% | 91,971 | $1.6M |
| PDT Partners, LLC | 0.10% | New | 90,226 | $1.6M |
| Sherbrooke Park Advisers LLC | 0.73% | Add +457.6% | 89,340 | $1.6M |
| State of New Jersey Common Pension Fund D | 0.01% | Add +19.4% | 88,114 | $1.5M |
"% of holder's portfolio" is IRDM's weight in each manager's 13F, not the share of Iridium Communications Inc. the manager owns.