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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $12,107 | -49.0% | 220 | -50.0% | 0.00% | 0.0% |
| Q2 2023 | $23,723 | +342.3% | 440 | +49.2% | 0.00% | – |
| Q1 2023 | $5,363 | +38207.1% | 295 | -57.1% | 0.00% | – |
| Q4 2022 | $14 | -99.9% | 687 | -31.3% | 0.00% | – |
| Q3 2022 | $18,000 | +157.1% | 1,000 | +185.7% | 0.00% | – |
| Q2 2022 | $7,000 | -53.3% | 350 | -53.3% | 0.00% | – |
| Q1 2022 | $15,000 | -57.1% | 750 | +87.5% | 0.00% | -100.0% |
| Q4 2021 | $35,000 | +52.2% | 400 | 0.0% | 0.00% | – |
| Q3 2021 | $23,000 | +9.5% | 400 | 0.0% | 0.00% | – |
| Q2 2021 | $21,000 | -8.7% | 400 | 0.0% | 0.00% | – |
| Q1 2021 | $23,000 | +91.7% | 400 | +33.3% | 0.00% | – |
| Q4 2020 | $12,000 | -7.7% | 300 | -40.0% | 0.00% | -100.0% |
| Q3 2020 | $13,000 | -13.3% | 500 | -9.9% | 0.00% | 0.0% |
| Q2 2020 | $15,000 | +66.7% | 555 | 0.0% | 0.00% | 0.0% |
| Q1 2020 | $9,000 | -25.0% | 555 | +16.8% | 0.00% | 0.0% |
| Q4 2019 | $12,000 | -20.0% | 475 | -5.0% | 0.00% | 0.0% |
| Q3 2019 | $15,000 | +114.3% | 500 | 0.0% | 0.00% | – |
| Q4 2018 | $7,000 | -41.7% | 500 | 0.0% | 0.00% | – |
| Q3 2018 | $12,000 | +9.1% | 500 | 0.0% | 0.00% | – |
| Q2 2018 | $11,000 | -65.6% | 500 | -64.3% | 0.00% | -100.0% |
| Q1 2018 | $32,000 | 0.0% | 1,400 | 0.0% | 0.00% | 0.0% |
| Q4 2017 | $32,000 | +28.0% | 1,400 | +133.3% | 0.00% | 0.0% |
| Q3 2017 | $25,000 | +8.7% | 600 | +26.3% | 0.00% | 0.0% |
| Q2 2017 | $23,000 | +76.9% | 475 | +11.8% | 0.00% | 0.0% |
| Q1 2017 | $13,000 | -7.1% | 425 | +6.2% | 0.00% | 0.0% |
| Q4 2016 | $14,000 | +100.0% | 400 | +100.0% | 0.00% | – |
| Q3 2016 | $7,000 | – | 200 | – | 0.00% | – |
Download | ||||||
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% |