PENUMBRA INC's ticker is and the CUSIP is 70975L957. A total of 4 filers reported holding PENUMBRA INC in Q1 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $3,217 | +15.5% | 13,300 | +64.2% | 0.00% | +50.0% |
| Q2 2023 | $2,786 | +257.2% | 8,100 | +189.3% | 0.00% | +100.0% |
| Q1 2023 | $780 | +193.2% | 2,800 | +133.3% | 0.00% | – |
| Q4 2022 | $266 | -99.8% | 1,200 | +100.0% | 0.00% | – |
| Q3 2022 | $113,000 | -78.4% | 600 | -85.7% | 0.00% | -100.0% |
| Q2 2022 | $522,000 | +47.0% | 4,200 | +162.5% | 0.00% | – |
| Q1 2022 | $355,000 | -85.2% | 1,600 | -81.6% | 0.00% | -100.0% |
| Q3 2021 | $2,403,000 | +2.0% | 8,700 | +1.2% | 0.00% | 0.0% |
| Q2 2021 | $2,356,000 | -30.3% | 8,600 | +6780.0% | 0.00% | -66.7% |
| Q1 2021 | $3,382,000 | – | 125 | -83.1% | 0.01% | – |
| Q4 2020 | $0 | -100.0% | 740 | +2287.1% | 0.00% | -100.0% |
| Q3 2020 | $602,000 | -57.4% | 31 | -60.8% | 0.00% | -50.0% |
| Q2 2020 | $1,412,000 | +631.6% | 79 | +558.3% | 0.00% | – |
| Q1 2020 | $193,000 | -92.2% | 12 | -92.0% | 0.00% | -100.0% |
| Q4 2019 | $2,464,000 | -63.4% | 150 | -70.1% | 0.01% | -73.7% |
| Q3 2019 | $6,737,000 | +42006.2% | 501 | +50000.0% | 0.02% | – |
| Q2 2019 | $16,000 | -81.8% | 1 | -83.3% | 0.00% | – |
| Q1 2019 | $88,000 | +20.5% | 6 | 0.0% | 0.00% | – |
| Q4 2018 | $73,000 | +3550.0% | 6 | -40.0% | 0.00% | – |
| Q3 2016 | $2,000 | +100.0% | 10 | 0.0% | 0.00% | – |
| Q2 2016 | $1,000 | – | 10 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Aristides Capital LLC | 1,500 | $406,000 | 0.16% |
| GROUP ONE TRADING, L.P. | 25,100 | $6,792,000 | 0.01% |
| SIMPLEX TRADING, LLC | 125 | $3,382,000 | 0.01% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |