PENUMBRA INC's ticker is PEN and the CUSIP is 70975L107. A total of 152 filers reported holding PENUMBRA INC in Q4 2017. The put-call ratio across all filers is 3.63 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $895,551 | -7.3% | 3,702 | +31.9% | 0.03% | -12.5% |
| Q2 2023 | $965,777 | +129534.5% | 2,807 | +5.1% | 0.03% | +33.3% |
| Q1 2023 | $745 | +284.0% | 2,672 | +206.1% | 0.02% | +200.0% |
| Q4 2022 | $194 | -99.9% | 873 | -44.4% | 0.01% | +60.0% |
| Q3 2022 | $298,000 | -2.3% | 1,570 | -35.8% | 0.01% | -28.6% |
| Q2 2022 | $305,000 | -76.2% | 2,444 | -57.6% | 0.01% | -41.7% |
| Q1 2022 | $1,281,000 | +93.2% | 5,765 | +149.8% | 0.01% | +9.1% |
| Q4 2021 | $663,000 | +10.1% | 2,308 | +2.2% | 0.01% | -26.7% |
| Q3 2021 | $602,000 | -75.2% | 2,258 | -74.5% | 0.02% | -76.2% |
| Q2 2021 | $2,427,000 | +114.2% | 8,857 | +111.6% | 0.06% | +231.6% |
| Q1 2021 | $1,133,000 | -30.0% | 4,186 | -54.7% | 0.02% | -61.2% |
| Q4 2020 | $1,619,000 | -33.5% | 9,250 | -26.2% | 0.05% | +81.5% |
| Q3 2020 | $2,436,000 | +38.3% | 12,531 | +27.2% | 0.03% | -62.5% |
| Q2 2020 | $1,761,000 | +11640.0% | 9,848 | +10489.2% | 0.07% | +7100.0% |
| Q1 2020 | $15,000 | -78.3% | 93 | -78.0% | 0.00% | -83.3% |
| Q4 2019 | $69,000 | +102.9% | 422 | +68.1% | 0.01% | +200.0% |
| Q3 2019 | $34,000 | -79.9% | 251 | -76.2% | 0.00% | -81.8% |
| Q2 2019 | $169,000 | -3.4% | 1,055 | -11.5% | 0.01% | 0.0% |
| Q1 2019 | $175,000 | +250.0% | 1,192 | +258.0% | 0.01% | +175.0% |
| Q3 2018 | $50,000 | -49.0% | 333 | -53.0% | 0.00% | -20.0% |
| Q2 2018 | $98,000 | -56.2% | 709 | -63.4% | 0.01% | -73.7% |
| Q1 2018 | $224,000 | +376.6% | 1,935 | +287.0% | 0.02% | +216.7% |
| Q4 2017 | $47,000 | -76.8% | 500 | -77.8% | 0.01% | -64.7% |
| Q3 2017 | $203,000 | – | 2,252 | – | 0.02% | – |
| Q2 2017 | $0 | -100.0% | 0 | -100.0% | 0.00% | -100.0% |
| Q4 2016 | $35,000 | +600.0% | 552 | +452.0% | 0.00% | +300.0% |
| Q1 2016 | $5,000 | -94.0% | 100 | -93.6% | 0.00% | -92.9% |
| Q4 2015 | $84,000 | – | 1,560 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| RTW INVESTMENTS, LP | 673,371 | $162,895,179 | 3.44% |
| Rock Springs Capital Management LP | 503,750 | $121,862,163 | 3.26% |
| OAK HARBOR WEALTH PARTNERS, LLC | 34,357 | $8,311,302 | 2.94% |
| CARRET ASSET MANAGEMENT, LLC | 79,000 | $19,110,890 | 2.66% |
| PFM Health Sciences, LP | 192,406 | $46,544,935 | 2.19% |
| Redmile Group, LLC | 155,076 | $37,514,435 | 1.78% |
| F/M Investments LLC | 8,461 | $2,046,801 | 1.53% |
| NEXT CENTURY GROWTH INVESTORS LLC | 52,513 | $12,703,419 | 1.38% |
| Atika Capital Management LLC | 37,500 | $9,071,625 | 1.19% |
| Prosight Management, LP | 13,500 | $3,265,785 | 1.04% |