PENUMBRA INC's ticker is PEN and the CUSIP is 70975L107. A total of 172 filers reported holding PENUMBRA INC in Q1 2018. The put-call ratio across all filers is 0.55 and the average weighting 0.2%.
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% |