PI

IMPINJ INC

PI·453204109·US·Common Stock·Technology - Semiconductors-Activist

PI (IMPINJ INC) is held by 155 institutional investors as of Q1 2026. Largest holders: BlackRock, Inc. ($443M), FMR LLC ($439.6M), VANGUARD PORTFOLIO MANAGEMENT LLC ($219.8M). Net institutional sentiment: Mixed. In Q1 2026, 1 member of Congress and 96 funds bought PI.

155
Holders
(15 Elite)
$3B
Total Value
56% (170)
Consensus
96 buying - 74 selling
13F: Insider & Congress:
PI

Smart Money Verdict

View all
Held by 155 funds
15 elite

Who's Trading

ActivistSTATE STREET CORPORATIONSTATE STREET CORPORATION5.6%Aug 7, 2026
InsiderSLSYLEBRA CAPITAL LLCSell $2.4MJun 9, 2026
InsiderSLSYLEBRA CAPITAL LLCSell $1.6MJun 8, 2026
InsiderSLSYLEBRA CAPITAL LLCSell $4.3MJun 8, 2026
InsiderSLSYLEBRA CAPITAL LLCSell $1.5MJun 5, 2026
ActivistCapital International InvestorsCapital International Investors4.5%May 14, 2026
CongressMarjorie Taylor GreeneMarjorie Taylor GreeneBuy $1,001 - $15,000May 14, 2025
CongressMarjorie Taylor GreeneMarjorie Taylor GreeneBuy $1,001 - $15,000May 5, 2025
CongressMarjorie Taylor GreeneMarjorie Taylor GreeneBuy $1,001 - $15,000Apr 4, 2025
CongressMarjorie Taylor GreeneMarjorie Taylor GreeneBuy $1,001 - $15,000Mar 3, 2025

Top Holders

Fund
Action
Shares
Value
Weight
Est. P&L
Conviction
Increased
4.3M(+1.1%)$443M0.0%+24.06%
31
Decreased
4.3M(-4.9%)$439.6M0.0%+25.13%
0
New
2.1M$219.8M0.0%+57.20%
42
Increased
1.5M(+16.3%)$152.5M0.0%+51.25%
35
Decreased
1.4M(-13.5%)$138.9M0.0%+41.23%
0
New
1.3M$130M0.0%+57.20%
42
Increased
1M(+34.7%)$104.3M0.0%+133.80%
39
Increased
858,281(+2.0%)$88.1M0.0%+52.64%
30
Increased
817,992(+20.4%)$84M0.0%+26.83%
35
New
734,787$75.5M0.2%+57.20%
49
Increased
728,395(+6.8%)$74.8M0.2%+463.97%
38
Increased
681,968(+2.1%)$70.1M0.0%+150.35%
30
Increased
518,074(+57.5%)$53.2M0.0%+48.75%
42
Increased
517,826(+48.0%)$53.2M0.0%+75.45%
40
Increased
425,945(+2441.0%)$43.7M0.0%+58.91%
47
Decreased
405,244(-54.3%)$41.6M0.5%+57.75%
0
Decreased
305,729(-55.9%)$31.4M0.0%+21.81%
0
Increased
297,522(+38.5%)$30.6M0.0%+68.73%
38
Increased
295,404(+2.2%)$30.3M0.0%+178.96%
29
New
289,131$29.7M0.0%+57.20%
40

Showing 1-20 of 179

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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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