IMPINJ INC
PI·453204109·US·Common Stock·Technology - Semiconductors-Activist
PI (IMPINJ INC) is held by 149 institutional investors as of Q1 2026. Largest holders: BlackRock, Inc. ($443M), FMR LLC ($439.6M), STATE STREET CORP ($152.5M). Net institutional sentiment: Mixed.
149
Holders
Avg rating(16 Elite)
$2.6B
Total Value
54% (175)
Fund Consensus
90 buying - 76 selling
Who's Trading
InsiderSLSYLEBRA CAPITAL LLCSell $1.5MJun 9, 2026
InsiderSLSYLEBRA CAPITAL LLCSell $2.4MJun 9, 2026
InsiderSLSYLEBRA CAPITAL LLCSell $1.6MJun 8, 2026
InsiderSLSYLEBRA CAPITAL LLCSell $1.6MJun 8, 2026
ActivistVPVanguard Portfolio Management7.2%Apr 29, 2026
13F: Insider & Congress:
Fund | Action | Shares | Value | Weight | Est. P&L | Conviction |
|---|---|---|---|---|---|---|
Increased | 4.3M(+1.1%) | $443M | 0.0% | -6.14% | 31 | |
Decreased | 4.3M(-4.9%) | $439.6M | 0.0% | -5.33% | 0 | |
Increased | 1.5M(+16.3%) | $152.5M | 0.0% | +14.43% | 35 | |
Decreased | 1.4M(-13.5%) | $138.9M | 0.0% | +6.84% | 0 | |
Increased | 1M(+34.7%) | $104.3M | 0.0% | +76.88% | 39 | |
Increased | 858,281(+2.0%) | $88.1M | 0.0% | +15.48% | 30 | |
Increased | 817,992(+20.4%) | $84M | 0.0% | -4.05% | 35 | |
New | 734,787 | $75.5M | 0.2% | +18.93% | 49 | |
Increased | 728,395(+6.8%) | $74.8M | 0.2% | +326.67% | 38 | |
Increased | 681,968(+2.1%) | $70.1M | 0.0% | +89.40% | 30 | |
Increased | 518,074(+57.5%) | $53.2M | 0.0% | +12.53% | 42 | |
Increased | 517,826(+48.0%) | $53.2M | 0.0% | +32.74% | 40 | |
Increased | 425,945(+2441.0%) | $43.7M | 0.0% | +20.22% | 47 | |
Decreased | 405,244(-54.3%) | $41.6M | 0.5% | +19.34% | 0 | |
Increased | 297,522(+38.5%) | $30.6M | 0.0% | +27.65% | 38 | |
Increased | 295,404(+2.2%) | $30.3M | 0.0% | +111.04% | 29 | |
New | 289,131 | $29.7M | 0.0% | +18.93% | 40 | |
Decreased | 274,720(-4.1%) | $28.2M | 0.0% | -3.78% | 0 | |
Decreased | 271,477(-0.1%) | $27.9M | 0.0% | -3.24% | 0 | |
Decreased | 262,744(-1.2%) | $27M | 0.0% | +81.07% | 0 |
Showing 1-20 of 174
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Data sourced from four SEC data sources: 13F, Form 4, 13D/13G, and STOCK Act. Not financial advice. Full disclaimer