Iridium CommunicationsIRDM
13F holders, Q4 2024 (December 31)349holders −4
31new positions
48sold out
9famous investors
$29.02avg. 13F price*
At the end of Q4 2024, 349 institutions reported holding Iridium Communications Inc. (IRDM) in their 13F filings, down 4 from Q3 2024. 31 opened new positions and 48 sold out. The largest holders were BlackRock, Inc. ($368.7M), Vanguard Group Inc. ($313.8M) and Baron Capital (BAMCO) ($312.5M). 9 famous investors held it, including Ron Baron (0.8% of Baron Capital (BAMCO)'s portfolio), Cathie Wood (0.6% of ARK Investment Management's portfolio) and Joel Greenblatt (0.2% of Gotham Asset Management's portfolio).
- Company
- Iridium Communications Inc.
- CUSIP
- 46269C102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 31 | $23.5M |
| Exits | 48 | $47.2M |
All 13F filers, Q3 2024 → Q4 2024: 8,635,255 shares bought and 6,774,728 shares sold, net +1,860,527 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 349 holders
| BlackRock, Inc. | 0.01% | Add +7.7% | 12,705,830 | $368.7M |
| Vanguard Group Inc. | 0.01% | Reduce -1.6% | 10,811,584 | $313.8M |
| Baron Capital (BAMCO) | 0.81% | Reduce -3.1% | 10,769,377 | $312.5M |
| State Street Corp. | 0.01% | Add +2.7% | 4,383,449 | $127.2M |
| Silver Heights Capital Management Inc | 47.95% | Reduce -0.3% | 3,715,471 | $107.8M |
| Van Berkom & Associates Inc. | 2.73% | Reduce -10.2% | 3,171,950 | $92.0M |
| Sumitomo Mitsui Trust Group, Inc. | 0.06% | Add +12.8% | 2,829,052 | $82.1M |
| Amova Asset Management Americas, Inc. | 0.89% | Add +13.2% | 2,827,580 | $82.0M |
| ARK Investment Management | 0.61% | Add +5.7% | 2,507,715 | $72.8M |
| Schroder Investment Management Group | 0.06% | Add +44.7% | 2,213,512 | $64.1M |
| ArrowMark Colorado Holdings LLC | 0.81% | Add +37.3% | 2,088,053 | $60.6M |
| Dimensional Fund Advisors LP | 0.01% | Add +7.8% | 2,062,066 | $59.8M |
| Geode Capital Management, LLC | 0.00% | Reduce -3.8% | 2,006,721 | $58.3M |
| Morgan Stanley | 0.00% | Add +28.6% | 1,884,000 | $54.7M |
| Northern Trust Corp. | 0.01% | Add +18.1% | 1,827,411 | $53.0M |
| American Century Companies Inc. | 0.03% | Add +94.2% | 1,735,842 | $50.4M |
| T. Rowe Price Associates Inc. | 0.01% | Add +20.5% | 1,711,039 | $49.7M |
| Victory Capital Management Inc. | 0.05% | Reduce -0.6% | 1,599,504 | $46.4M |
| Bank of New York Mellon Corp | 0.01% | Add +27.0% | 1,297,676 | $37.7M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +3.5% | 1,093,223 | $31.7M |
| Barclays PLC | 0.01% | Add +15.4% | 988,818 | $28.7M |
| Norges Bank | 0.00% | Reduce -33.9% | 973,109 | $28.2M |
| AQR Capital Management | 0.04% | Reduce -17.6% | 940,771 | $27.3M |
| FMR LLC | 0.00% | Reduce -10.6% | 842,338 | $24.4M |
| Pinnacle Associates Ltd. | 0.31% | Add +11.0% | 795,251 | $23.1M |
| Millennium Management | 0.02% | Reduce -20.6% | 794,688 | $23.1M |
| Select Equity Group, L.P. | 0.09% | Reduce -23.2% | 751,188 | $21.8M |
| Pacer Advisors, Inc. | 0.05% | Add +4.2% | 741,577 | $21.5M |
| Anchor Capital Management Company, LLC | 18.06% | No change | 719,917 | $20.9M |
| Gotham Asset Management | 0.19% | Add +10.2% | 703,393 | $20.4M |
| Invesco Ltd. | 0.00% | Add +5.3% | 659,145 | $19.1M |
| JPMorgan Chase & Co. | 0.00% | Add +1.6% | 631,852 | $18.3M |
| Raymond James Financial Inc. | 0.01% | — | 606,938 | $17.6M |
| Nuveen Asset Management, LLC | 0.00% | Add +1.8% | 590,023 | $17.1M |
| Brown Advisory Inc. | 0.02% | Reduce -0.1% | 510,976 | $14.8M |
| D. E. Shaw & Co. | 0.02% | Reduce -37.2% | 469,682 | $13.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -6.2% | 464,506 | $13.5M |
| Trexquant Investment LP | 0.15% | Add +142.0% | 441,183 | $12.8M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Reduce -44.9% | 430,736 | $12.5M |
| Voya Investment Management LLC | 0.02% | Add +165.5% | 430,273 | $12.5M |
| Legal & General Group Plc | 0.00% | Reduce -3.6% | 424,423 | $12.3M |
| UBS Group AG | 0.00% | Add +73.2% | 393,178 | $11.4M |
| Qube Research & Technologies Ltd | 0.02% | Reduce -15.7% | 348,886 | $10.1M |
| Rhumbline Advisers | 0.01% | Reduce -1.4% | 317,454 | $9.2M |
| Citadel Advisors | 0.01% | Reduce -7.1% | 298,763 | $8.7M |
| Retirement Systems of Alabama | 0.03% | Reduce -1.8% | 289,830 | $8.4M |
| Point72 Asset Management | 0.02% | Add +277.8% | 270,341 | $7.8M |
| First Trust Advisors LP | 0.01% | Add +40.0% | 264,553 | $7.7M |
| Blair William & Co. | 0.02% | Reduce -10.3% | 261,138 | $7.6M |
| Principal Financial Group Inc. | 0.00% | Reduce -4.8% | 261,134 | $7.6M |
| Nordea Investment Management AB | 0.01% | Add +30.2% | 248,602 | $7.3M |
| Bank of America Corp. | 0.00% | Reduce -23.6% | 243,920 | $7.1M |
| BNP Paribas Financial Markets | 0.00% | Reduce -44.3% | 213,173 | $6.2M |
| Swiss National Bank | 0.00% | Reduce -1.8% | 209,600 | $6.1M |
| Balyasny Asset Management L.P. | 0.01% | New | 206,774 | $6.0M |
| Goldman Sachs Group Inc. | 0.00% | Add +2.0% | 199,040 | $5.8M |
| Algert Global LLC | 0.13% | Reduce -46.9% | 193,952 | $5.6M |
| HSBC Holdings PLC | 0.00% | Reduce -34.8% | 189,097 | $5.5M |
| Robertson Opportunity Capital, LLC | 2.00% | No change | 188,246 | $5.5M |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.03% | Reduce -3.9% | 188,144 | $5.5M |
| California Public Employees Retirement System | 0.00% | Reduce -9.0% | 186,834 | $5.4M |
| Man Group plc | 0.02% | Reduce -51.1% | 183,391 | $5.3M |
| State of Wisconsin Investment Board | 0.01% | Add +29.5% | 167,984 | $4.9M |
| Alliancebernstein L.P. | 0.00% | Reduce -10.3% | 165,531 | $4.8M |
| WINTON GROUP Ltd | 0.31% | Add +7.2% | 160,291 | $4.7M |
| Sei Investments Co. | 0.01% | Add +11.1% | 153,672 | $4.5M |
| Weiss Asset Management LP | 0.14% | Add +1.0% | 153,070 | $4.4M |
| Jane Street Group, LLC | 0.01% | Add +104.8% | 145,181 | $4.2M |
| Van Eck Associates Corp. | 0.01% | Add +148.5% | 139,636 | $4.1M |
| Corebridge Financial, Inc. | 0.02% | Reduce -8.0% | 128,928 | $3.7M |
| Thrivent Financial for Lutherans | 0.01% | Reduce -2.4% | 127,244 | $3.7M |
| Holocene Advisors, LP | 0.01% | Add +1.9% | 126,430 | $3.7M |
| LBP Am SA | 0.05% | Add +67.0% | 122,075 | $3.5M |
| Ameriprise Financial Inc. | 0.00% | Reduce -5.1% | 120,455 | $3.5M |
| New York State Teachers Retirement System | 0.01% | No change | 113,078 | $3.3M |
| ExodusPoint Capital Management, LP | 0.03% | Reduce -18.8% | 112,991 | $3.3M |
| Jump Financial, LLC | 0.07% | Add +53.2% | 107,000 | $3.1M |
| Cubist Systematic Strategies, LLC | 0.05% | Reduce -50.7% | 104,596 | $3.0M |
| Riverwater Partners LLC | 1.43% | Add +19.2% | 101,496 | $2.9M |
| California State Teachers Retirement System | 0.00% | Reduce -3.7% | 100,144 | $2.9M |
| Engineers Gate Manager LP | 0.05% | Add +197.9% | 99,858 | $2.9M |
| Private Advisor Group, LLC | 0.02% | Add +91.0% | 96,702 | $2.8M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Add +32.2% | 93,010 | $2.8M |
| Alberta Investment Management Corp | 0.02% | New | 96,160 | $2.8M |
| Paralel Advisors LLC | 0.12% | Add +10.0% | 95,977 | $2.8M |
| Skylands Capital, LLC | 0.37% | Reduce -46.0% | 91,200 | $2.6M |
| Cibc World Market Inc. | 0.01% | Add +1.4% | 88,445 | $2.6M |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -5.6% | 88,171 | $2.6M |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 1.01% | Reduce -15.8% | 87,643 | $2.5M |
| Agf Management Ltd. | 0.01% | New | 87,024 | $2.5M |
| Macquarie Group Ltd. | 0.00% | Reduce -6.5% | 86,643 | $2.5M |
| State Board of Administration of Florida Retirement System | 0.00% | Add +4.3% | 85,556 | $2.5M |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.28% | Add +28.5% | 82,849 | $2.4M |
| Capital Fund Management S.A. | 0.02% | Reduce -42.5% | 82,089 | $2.4M |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 80,447 | $2.3M |
| Schonfeld Strategic Advisors LLC | 0.01% | Add +584.4% | 78,605 | $2.3M |
| State of New Jersey Common Pension Fund D | 0.01% | Add +1.1% | 76,836 | $2.2M |
| HRT Financial LP | 0.01% | Add +1.9% | 76,739 | $2.2M |
| Penserra Capital Management LLC | 0.04% | Add +28.4% | 76,580 | $2.2M |
| Aquatic Capital Management LLC | 0.06% | Add +74.2% | 71,083 | $2.1M |
"% of holder's portfolio" is IRDM's weight in each manager's 13F, not the share of Iridium Communications Inc. the manager owns.