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Iridium Communications IRDM

US equityMarket cap rank #2087
$48.44 −$0.52 (-1.06%)
Market closed · Oct 5, 8:10 pm ET · Last extended-hours $48.54 +0.21%
Open$48.69
Prev close$48.96
Day range$48.30 – $48.82
Volume1.07M
Market cap$5.13B
P/E (TTM)55.7
Dividend yield1.24%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Short interest3.21% of floatDays to cover 4.8 · as of 15 Sep 2026
Short-sale volume share16.3%5-day average of daily volume

Short-sale volume as % of daily volume

6%13%19%25%Sep '26Sep '26Oct '26

Reported short interest has fallen from 4.13% to 3.21% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 3,400,564 3.2% 4.8
31 Aug 2026 2,559,792 2.4% 2.8
14 Aug 2026 2,872,219 2.7% 2.8
31 Jul 2026 3,457,705 3.3% 2.2
15 Jul 2026 2,826,191 2.7% 1.3
30 Jun 2026 4,367,799 4.1% 1.0

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