PENUMBRA INC's ticker is PEN and the CUSIP is 70975L107. A total of 204 filers reported holding PENUMBRA INC in Q1 2019. The put-call ratio across all filers is 1.04 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $6,474,000 | +30.9% | 44,041 | +8.8% | 0.01% | +14.3% |
| Q4 2018 | $4,944,000 | -60.7% | 40,461 | -51.8% | 0.01% | -12.5% |
| Q3 2018 | $12,574,000 | +121.4% | 83,988 | +104.3% | 0.01% | +14.3% |
| Q2 2018 | $5,679,000 | -19.0% | 41,111 | -32.2% | 0.01% | -22.2% |
| Q1 2018 | $7,014,000 | +39.4% | 60,652 | +13.4% | 0.01% | +50.0% |
| Q4 2017 | $5,033,000 | +5.1% | 53,485 | +0.9% | 0.01% | 0.0% |
| Q3 2017 | $4,788,000 | +2.5% | 53,020 | -0.4% | 0.01% | -14.3% |
| Q2 2017 | $4,672,000 | +20.0% | 53,241 | +14.1% | 0.01% | +16.7% |
| Q1 2017 | $3,893,000 | +44.8% | 46,645 | +10.7% | 0.01% | +50.0% |
| Q4 2016 | $2,688,000 | -13.9% | 42,130 | +2.5% | 0.00% | -20.0% |
| Q3 2016 | $3,122,000 | +29.1% | 41,090 | +1.1% | 0.01% | +25.0% |
| Q2 2016 | $2,418,000 | +698.0% | 40,645 | +517.7% | 0.00% | +300.0% |
| Q1 2016 | $303,000 | -14.4% | 6,580 | 0.0% | 0.00% | 0.0% |
| Q4 2015 | $354,000 | – | 6,580 | – | 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% |