PENUMBRA INC's ticker is PEN and the CUSIP is 70975L107. A total of 214 filers reported holding PENUMBRA INC in Q2 2019. The put-call ratio across all filers is 1.25 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $3,000 | +50.0% | 19 | 0.0% | 0.00% | 0.0% |
| Q4 2018 | $2,000 | -33.3% | 19 | 0.0% | 0.00% | 0.0% |
| Q3 2018 | $3,000 | -57.1% | 19 | -62.0% | 0.00% | -66.7% |
| Q2 2018 | $7,000 | +16.7% | 50 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $6,000 | -45.5% | 50 | -61.5% | 0.00% | -40.0% |
| Q4 2017 | $11,000 | -8.3% | 130 | 0.0% | 0.01% | -16.7% |
| Q3 2017 | $12,000 | 0.0% | 130 | -2.3% | 0.01% | 0.0% |
| Q2 2017 | $12,000 | +71.4% | 133 | +52.9% | 0.01% | +50.0% |
| Q1 2017 | $7,000 | – | 87 | – | 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% |