PENUMBRA INC's ticker is PEN and the CUSIP is 70975L107. A total of 271 filers reported holding PENUMBRA INC in Q4 2020. The put-call ratio across all filers is 2.24 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $7,995,000 | +128.4% | 30,000 | +50.0% | 0.24% | +91.3% |
| Q4 2020 | $3,500,000 | +147.9% | 20,000 | +33.3% | 0.13% | -78.5% |
| Q4 2017 | $1,412,000 | -73.8% | 15,000 | -74.8% | 0.59% | -62.5% |
| Q3 2017 | $5,380,000 | +22.6% | 59,579 | +19.2% | 1.57% | -9.6% |
| Q2 2017 | $4,388,000 | -15.9% | 50,000 | -20.1% | 1.74% | +12.8% |
| Q1 2017 | $5,220,000 | -13.9% | 62,555 | -34.2% | 1.54% | -30.5% |
| Q4 2016 | $6,061,000 | +59.5% | 95,000 | +90.0% | 2.22% | +92.5% |
| Q3 2016 | $3,800,000 | +267.1% | 50,000 | +93.8% | 1.15% | +95.3% |
| Q3 2015 | $1,035,000 | – | 25,800 | – | 0.59% | – |
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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% |