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Who owns Iridium Communications (IRDM) stock

442 funds reported Iridium Communications (IRDM) shares in their latest 13F filings, worth $5.0B in all. The largest holder is BlackRock ($738M). Last quarter 266 funds added to their stakes and 162 cut them.

Largest holders of IRDM (13F)Largest holders of IRDM (13F)BlackRock$738MAQR Capital Management LLC$374MVanguard Portfolio Management LLC$298MAmerican Century Companies$266MState Street$260MVanguard Capital Management LLC$232MSilver Heights Capital Management$180MVanguard Group$177MGotham Asset Management, LLC$138MDimensional Fund Advisors LP$129M

Largest holders (13F)

FundSharesValueChangeQuarter
BlackRock13,447,338$738Mdecrease2026-06-30
AQR Capital Management LLC6,847,072$374Mincrease2026-06-30
Vanguard Portfolio Management LLC5,440,399$298Mdecrease2026-06-30
American Century Companies4,856,440$266Mincrease2026-06-30
State Street4,733,714$260Mdecrease2026-06-30
Vanguard Capital Management LLC4,232,161$232Mincrease2026-06-30
Silver Heights Capital Management3,274,947$180Mdecrease2026-06-30
Vanguard Group10,157,227$177Mincrease2025-12-31
Gotham Asset Management, LLC2,514,317$138Mdecrease2026-06-30
Dimensional Fund Advisors LP2,357,845$129Mincrease2026-06-30
Van ECK Associates2,270,799$125Mincrease2026-06-30
Pacer Advisors2,168,271$119Mincrease2026-06-30
Geode Capital Management, LLC2,044,823$112Mincrease2026-06-30
Morgan Stanley1,517,404$83.2Mdecrease2026-06-30
Charles Schwab Investment Management1,317,782$72.3Mdecrease2026-06-30

Iridium Communications' latest quarter

Iridium Communications, Q3 2026: revenue $246M (+8% year over year), operating margin 12.9%, net earnings $107M, operating cash flow $95.9M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most IRDM stock?

By the latest 13F filings: BlackRock ($738M); AQR Capital Management LLC ($374M); Vanguard Portfolio Management LLC ($298M); American Century Companies ($266M); State Street ($260M).

What is the short interest in IRDM?

2,935,902 shares were sold short at the 2026-10-15 settlement, -12.85% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.