PENUMBRA INC's ticker is PEN and the CUSIP is 70975L107. A total of 256 filers reported holding PENUMBRA INC in Q4 2019. The put-call ratio across all filers is 1.18 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $608,000 | -64.0% | 3,699 | -70.5% | 4.36% | +50.9% |
| Q3 2019 | $1,689,000 | +21.9% | 12,558 | +45.0% | 2.89% | +96.6% |
| Q2 2019 | $1,386,000 | +15.8% | 8,660 | +6.3% | 1.47% | +6.4% |
| Q1 2019 | $1,197,000 | -13.6% | 8,144 | -28.2% | 1.38% | -20.1% |
| Q4 2018 | $1,386,000 | +0.1% | 11,346 | +22.6% | 1.73% | +63.1% |
| Q3 2018 | $1,385,000 | +41.6% | 9,253 | +30.7% | 1.06% | +34.3% |
| Q2 2018 | $978,000 | -1.9% | 7,080 | -17.8% | 0.79% | -26.6% |
| Q1 2018 | $997,000 | -3.4% | 8,618 | -21.4% | 1.08% | -9.4% |
| Q4 2017 | $1,032,000 | +19.0% | 10,971 | +14.2% | 1.19% | +44.5% |
| Q3 2017 | $867,000 | +25.5% | 9,603 | +21.9% | 0.82% | -11.3% |
| Q2 2017 | $691,000 | +11.6% | 7,876 | +6.1% | 0.93% | +23.1% |
| Q1 2017 | $619,000 | +82.1% | 7,421 | +39.2% | 0.75% | +67.2% |
| Q4 2016 | $340,000 | +0.3% | 5,333 | +19.5% | 0.45% | -10.3% |
| Q3 2016 | $339,000 | -5.8% | 4,462 | -50.3% | 0.50% | -7.5% |
| Q3 2015 | $360,000 | – | 8,986 | – | 0.54% | – |
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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% |