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Impinj PI

US equityMarket cap rank #1976
$185.19 −$4.42 (-2.33%)
Market closed · Oct 5, 8:10 pm ET · Last extended-hours $185.19 0.00%
Open$189.40
Prev close$189.61
Day range$184.18 – $189.99
Volume542.4K
Market cap$5.66B
P/E (TTM)–
Dividend yield–

Ownership & positioning

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

Short interest9.92% of floatDays to cover 7.9 · as of 15 Sep 2026
Short-sale volume share18.9%5-day average of daily volume

Short-sale volume as % of daily volume

7%14%22%29%Sep '26Sep '26Oct '26

Reported short interest has fallen from 10.95% to 9.92% 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 3,031,264 9.9% 7.9
31 Aug 2026 2,735,738 9.0% 8.4
14 Aug 2026 2,955,390 9.7% 5.8
31 Jul 2026 3,001,563 9.8% 6.4
15 Jul 2026 3,350,690 11.0% 12.2
30 Jun 2026 3,335,442 11.0% 7.4

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