PENUMBRA INC's ticker is PEN and the CUSIP is 70975L107. A total of 202 filers reported holding PENUMBRA INC in Q3 2018. The put-call ratio across all filers is 0.74 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2018 | $1,460,000 | -58.6% | 10,570 | -65.3% | 0.02% | -63.5% |
| Q1 2018 | $3,526,000 | +196.1% | 30,490 | +140.8% | 0.06% | +215.0% |
| Q4 2017 | $1,191,000 | +6.1% | 12,660 | +1.9% | 0.02% | +11.1% |
| Q3 2017 | $1,122,000 | -53.6% | 12,429 | -54.9% | 0.02% | -52.6% |
| Q2 2017 | $2,417,000 | -50.8% | 27,546 | -53.2% | 0.04% | -47.2% |
| Q1 2017 | $4,909,000 | +205.7% | 58,830 | +133.7% | 0.07% | +200.0% |
| Q4 2016 | $1,606,000 | – | 25,168 | – | 0.02% | – |
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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% |