PENUMBRA INC's ticker is PEN and the CUSIP is 70975L107. A total of 136 filers reported holding PENUMBRA INC in Q3 2017. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| PFM Health Sciences, LP | 1,029,564 | $138,466,000 | 4.09% |
| GREAT POINT PARTNERS LLC | 300,000 | $40,347,000 | 3.71% |
| CARRET ASSET MANAGEMENT, LLC | 168,551 | $22,668,000 | 3.60% |
| Partner Investment Management, L.P. | 12,558 | $1,689,000 | 2.89% |
| Redmile Group, LLC | 297,972 | $40,074,000 | 1.34% |
| Rock Springs Capital Management LP | 242,500 | $32,614,000 | 1.30% |
| Redwood Investments, LLC | 90,147 | $12,124,000 | 0.93% |
| Ardevora Asset Management LLP | 242,700 | $32,641,000 | 0.91% |
| NEXT CENTURY GROWTH INVESTORS LLC | 39,134 | $5,263,000 | 0.85% |
| Stephens Investment Management Group LLC | 307,074 | $41,298,000 | 0.83% |