IMPINJ INC
PI·453204109·US·Common Stock·Technology - Semiconductors-Activist
PI (IMPINJ INC) is held by 159 institutional investors as of Q2 2026. Largest holders: FMR LLC ($653.5M), BlackRock, Inc. ($637.3M), VANGUARD PORTFOLIO MANAGEMENT LLC ($314.3M). Net institutional sentiment: Mixed. In Q2 2026, 1 member of Congress and 100 funds bought PI.
159
Holders
(12 Elite)
$4.2B
Total Value
62% (162)
Consensus
100 buying - 62 selling
13F: Insider & Congress: Updated regularly
Who's Trading
Source dates: Price Sep 18, 2026 · Insiders Sep 21, 2026 · Activists Aug 7, 2026 · Congress May 19, 2025
InsiderBCBaker CarySell $1.6MSep 21, 2026
InsiderWMWASHINGTON MIRONSell $139KSep 15, 2026
InsiderDPDIORIO CHRIS PH.D.Gift 10K shSep 14, 2026
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Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer