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 | $2,685,927 | -50.0% | 11,103 | -28.9% | 0.00% | -50.0% |
| Q2 2023 | $5,369,400 | -46.5% | 15,606 | -56.7% | 0.00% | -50.0% |
| Q1 2023 | $10,036,462 | +3.9% | 36,013 | -17.1% | 0.00% | 0.0% |
| Q4 2022 | $9,660,993 | +37.2% | 43,428 | +16.9% | 0.00% | +33.3% |
| Q3 2022 | $7,042,000 | +295.0% | 37,138 | +159.3% | 0.00% | +200.0% |
| Q2 2022 | $1,783,000 | +725.5% | 14,324 | +1372.1% | 0.00% | – |
| Q1 2022 | $216,000 | -85.4% | 973 | -81.1% | 0.00% | – |
| Q4 2021 | $1,476,000 | +412.5% | 5,139 | +376.3% | 0.00% | – |
| Q3 2021 | $288,000 | -90.9% | 1,079 | -90.6% | 0.00% | -100.0% |
| Q2 2021 | $3,159,000 | +88.6% | 11,528 | +86.2% | 0.00% | 0.0% |
| Q1 2021 | $1,675,000 | +295.0% | 6,190 | +155.5% | 0.00% | – |
| Q4 2020 | $424,000 | -83.5% | 2,423 | -81.7% | 0.00% | -100.0% |
| Q3 2020 | $2,570,000 | +422.4% | 13,220 | +380.0% | 0.00% | – |
| Q2 2020 | $492,000 | +120.6% | 2,754 | +99.7% | 0.00% | – |
| Q1 2020 | $223,000 | -93.1% | 1,379 | -93.0% | 0.00% | -100.0% |
| Q4 2019 | $3,237,000 | +1116.9% | 19,706 | +896.3% | 0.00% | – |
| Q3 2019 | $266,000 | -36.2% | 1,978 | -24.1% | 0.00% | – |
| Q2 2019 | $417,000 | +39.0% | 2,605 | +27.7% | 0.00% | – |
| Q1 2019 | $300,000 | -6.5% | 2,040 | -22.4% | 0.00% | – |
| Q4 2018 | $321,000 | -7.2% | 2,629 | +13.9% | 0.00% | – |
| Q3 2018 | $346,000 | -65.1% | 2,309 | -67.8% | 0.00% | – |
| Q2 2018 | $990,000 | +369.2% | 7,168 | +292.3% | 0.00% | – |
| Q1 2018 | $211,000 | -62.2% | 1,827 | -69.2% | 0.00% | – |
| Q4 2017 | $558,000 | -27.6% | 5,926 | -30.6% | 0.00% | – |
| Q3 2017 | $771,000 | +15.4% | 8,535 | +12.1% | 0.00% | – |
| Q2 2017 | $668,000 | -30.3% | 7,613 | -33.7% | 0.00% | -100.0% |
| Q1 2017 | $959,000 | +85.1% | 11,490 | +41.5% | 0.00% | – |
| Q4 2016 | $518,000 | -96.3% | 8,119 | -95.5% | 0.00% | -100.0% |
| Q3 2016 | $13,846,000 | +25.6% | 182,205 | -1.7% | 0.01% | +14.3% |
| Q2 2016 | $11,026,000 | +11.3% | 185,319 | -14.0% | 0.01% | 0.0% |
| Q1 2016 | $9,910,000 | +70685.7% | 215,445 | +86078.0% | 0.01% | – |
| Q4 2015 | $14,000 | +75.0% | 250 | +25.0% | 0.00% | – |
| Q3 2015 | $8,000 | – | 200 | – | 0.00% | – |
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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% |