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 | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $429 | -99.9% | 1,542 | +9.8% | 0.05% | +24.3% |
| Q2 2021 | $385,000 | -77.9% | 1,404 | -84.3% | 0.04% | -87.6% |
| Q3 2020 | $1,743,000 | +674.7% | 8,969 | +556.1% | 0.30% | +1259.1% |
| Q4 2019 | $225,000 | -80.5% | 1,367 | -81.0% | 0.02% | -67.6% |
| Q2 2019 | $1,152,000 | +27.9% | 7,203 | +17.6% | 0.07% | +33.3% |
| Q1 2019 | $901,000 | +140.9% | 6,124 | +145.3% | 0.05% | +121.7% |
| Q3 2018 | $374,000 | -65.6% | 2,497 | -68.2% | 0.02% | -52.1% |
| Q2 2018 | $1,086,000 | +3.9% | 7,862 | -13.0% | 0.05% | -14.3% |
| Q1 2018 | $1,045,000 | +119.5% | 9,035 | +78.6% | 0.06% | +124.0% |
| Q4 2017 | $476,000 | +118.3% | 5,058 | +109.4% | 0.02% | +127.3% |
| Q3 2017 | $218,000 | – | 2,415 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| RTW INVESTMENTS, LP | 698,371 | $132,411,000 | 3.05% |
| OAK HARBOR WEALTH PARTNERS, LLC | 37,379 | $7,087,000 | 2.78% |
| CARRET ASSET MANAGEMENT, LLC | 88,500 | $16,780,000 | 2.50% |
| PFM Health Sciences, LP | 360,030 | $68,262,000 | 2.47% |
| Rock Springs Capital Management LP | 476,000 | $90,250,000 | 2.33% |
| PFM Health Sciences, LP | 207,500 | $39,342,000 | 1.42% |
| Affinity Asset Advisors, LLC | 25,000 | $4,740,000 | 1.32% |
| Redmile Group, LLC | 178,792 | $33,899,000 | 1.32% |
| Atika Capital Management LLC | 76,000 | $14,409,000 | 1.22% |
| Champlain Investment Partners, LLC | 804,075 | $152,453,000 | 1.04% |