PI

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
PI

Smart Money Verdict

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Held by 159 funds
12 elite

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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Top Holders

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Action
Increased
4.6M(+6.6%)$653.5M0.0%+19.18%
34
Increased
4.4M(+3.1%)$637.3M0.0%+18.10%
33
Increased
2.2M(+2.5%)$314.3M0.0%+48.68%
32
Increased
1.7M(+14.5%)$243.6M0.0%+40.61%
35
Increased
1.4M(+6.7%)$206.7M0.0%+33.45%
33
Increased
1.3M(+1.3%)$183.7M0.0%+49.06%
31
Increased
1.1M(+10.6%)$161M0.0%+106.00%
34
Increased
834,376(+715.9%)$119.5M0.0%+24.51%
49
Decreased
804,335(-1.7%)$115.2M0.1%+20.63%
0
Increased
737,138(+1.2%)$105.6M0.3%+415.56%
36
Increased
733,594(+7.6%)$105.1M0.0%+120.00%
32
Increased
669,324(+57.1%)$95.9M0.1%+38.95%
43
Decreased
530,926(-38.1%)$76M0.0%+45.17%
0
Decreased
414,418(-20.0%)$59.4M0.0%+41.47%
0
Increased
408,333(+41.2%)$58.5M0.1%+40.18%
39
Unchanged
405,244$58M0.5%+50.03%
0
Increased
388,783(+41.5%)$55.7M0.0%+21.20%
39
Increased
360,534(+32.8%)$51.6M0.0%+21.67%
38
Increased
347,867(+16.9%)$49.8M0.0%+53.42%
34
Increased
320,053(+8.3%)$45.8M0.0%+143.23%
32

Showing 1-20 of 172

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PIPIIMPINJ INC

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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

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