IMPINJ INC's ticker is PI and the CUSIP is 453204109. A total of 164 filers reported holding IMPINJ INC in Q1 2021. The put-call ratio across all filers is 0.39 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $109,365 | +54.0% | 807 | +0.2% | 0.00% | – |
| Q4 2021 | $71,000 | +129.0% | 805 | +48.3% | 0.00% | – |
| Q1 2021 | $31,000 | -95.8% | 543 | -96.9% | 0.00% | -100.0% |
| Q4 2020 | $731,000 | +407.6% | 17,455 | +219.8% | 0.00% | – |
| Q3 2020 | $144,000 | -79.7% | 5,458 | -87.1% | 0.00% | -100.0% |
| Q1 2019 | $708,000 | -46.8% | 42,236 | -53.8% | 0.01% | -33.3% |
| Q4 2018 | $1,330,000 | -60.1% | 91,384 | -31.9% | 0.01% | -53.8% |
| Q3 2018 | $3,331,000 | +433.0% | 134,224 | +374.5% | 0.03% | +420.0% |
| Q2 2018 | $625,000 | +19.5% | 28,286 | -29.6% | 0.01% | 0.0% |
| Q1 2018 | $523,000 | -80.5% | 40,155 | -66.3% | 0.01% | -73.7% |
| Q4 2017 | $2,681,000 | -6.4% | 118,998 | +72.8% | 0.02% | -26.9% |
| Q3 2017 | $2,865,000 | +78.3% | 68,846 | +108.4% | 0.03% | +52.9% |
| Q2 2017 | $1,607,000 | +318.5% | 33,030 | +160.3% | 0.02% | +325.0% |
| Q1 2017 | $384,000 | +351.8% | 12,688 | +428.7% | 0.00% | +300.0% |
| Q4 2016 | $85,000 | – | 2,400 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Toronado Partners, LLC | 1,517,968 | $41,699,000 | 10.88% |
| Sylebra Capital Ltd | 4,397,337 | $120,795,000 | 3.76% |
| AWM Investment Company, Inc. | 451,477 | $12,402,000 | 2.17% |
| Roubaix Capital, LLC | 59,173 | $1,625,000 | 2.16% |
| Taylor Frigon Capital Management LLC | 94,629 | $2,599,000 | 1.29% |
| G2 Investment Partners Management LLC | 185,720 | $5,102,000 | 1.21% |
| Trellus Management Company, LLC | 34,616 | $951,000 | 1.03% |
| Pier Capital, LLC | 174,921 | $4,805,000 | 0.77% |
| Capital Impact Advisors, LLC | 70,016 | $1,923,000 | 0.64% |
| IRONWOOD INVESTMENT MANAGEMENT LLC | 29,123 | $800,000 | 0.62% |