IMPINJ INC's ticker is PI and the CUSIP is 453204109. A total of 153 filers reported holding IMPINJ INC in Q4 2020. The put-call ratio across all filers is 1.02 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $17,000 | +13.3% | 300 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $15,000 | -11.8% | 300 | 0.0% | 0.00% | 0.0% |
| Q1 2021 | $17,000 | +30.8% | 300 | 0.0% | 0.00% | 0.0% |
| Q4 2020 | $13,000 | +62.5% | 300 | 0.0% | 0.00% | – |
| Q3 2020 | $8,000 | 0.0% | 300 | 0.0% | 0.00% | – |
| Q2 2020 | $8,000 | +60.0% | 300 | 0.0% | 0.00% | – |
| Q1 2020 | $5,000 | -68.8% | 300 | -50.0% | 0.00% | -100.0% |
| Q4 2019 | $16,000 | -30.4% | 600 | -20.0% | 0.00% | 0.0% |
| Q3 2019 | $23,000 | +9.5% | 750 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $21,000 | +61.5% | 750 | 0.0% | 0.00% | 0.0% |
| Q1 2019 | $13,000 | +18.2% | 750 | 0.0% | 0.00% | 0.0% |
| Q4 2018 | $11,000 | -57.7% | 750 | -28.6% | 0.00% | -50.0% |
| Q3 2018 | $26,000 | +13.0% | 1,050 | 0.0% | 0.00% | +100.0% |
| Q2 2018 | $23,000 | +64.3% | 1,050 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $14,000 | -33.3% | 1,050 | +10.5% | 0.00% | 0.0% |
| Q4 2017 | $21,000 | -47.5% | 950 | 0.0% | 0.00% | -66.7% |
| Q3 2017 | $40,000 | – | 950 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sylebra Capital Ltd | 3,948,566 | $217,289,587 | 11.55% |
| SYLEBRA CAPITAL LLC | 3,948,566 | $217,289,587 | 11.55% |
| Toronado Partners, LLC | 355,825 | $19,581,050 | 11.10% |
| Ararat Capital Management LP | 287,740 | $15,834,332 | 5.38% |
| AWM Investment Company, Inc. | 365,428 | $20,109,503 | 2.97% |
| Atika Capital Management LLC | 363,000 | $19,975,890 | 2.62% |
| Aquila Investment Management LLC | 50,000 | $2,751,500 | 2.54% |
| SORA INVESTORS LLC | 165,000 | $9,079,950 | 2.03% |
| Taylor Frigon Capital Management LLC | 58,094 | $3,196,913 | 1.78% |
| HARBER ASSET MANAGEMENT LLC | 89,042 | $4,899,981 | 1.37% |