PENUMBRA INC's ticker is PEN and the CUSIP is 70975L107. A total of 122 filers reported holding PENUMBRA INC in Q4 2016. The put-call ratio across all filers is 6.73 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $8,349,000 | +0.1% | 56,795 | -16.8% | 0.01% | -14.3% |
| Q4 2018 | $8,337,000 | -70.6% | 68,227 | -64.0% | 0.01% | -22.2% |
| Q3 2018 | $28,386,000 | +123.7% | 189,620 | +106.5% | 0.01% | 0.0% |
| Q2 2018 | $12,688,000 | +54.0% | 91,839 | +28.9% | 0.01% | +50.0% |
| Q1 2018 | $8,241,000 | +21.9% | 71,259 | -0.8% | 0.01% | +50.0% |
| Q4 2017 | $6,758,000 | -3.2% | 71,822 | -7.2% | 0.00% | -20.0% |
| Q3 2017 | $6,985,000 | +0.8% | 77,354 | -2.1% | 0.01% | 0.0% |
| Q2 2017 | $6,932,000 | +14.1% | 78,999 | +8.5% | 0.01% | +25.0% |
| Q1 2017 | $6,077,000 | +31.2% | 72,827 | +0.3% | 0.00% | +33.3% |
| Q4 2016 | $4,632,000 | -33.0% | 72,600 | -20.2% | 0.00% | -25.0% |
| Q3 2016 | $6,911,000 | +32.3% | 90,943 | +3.6% | 0.00% | 0.0% |
| Q2 2016 | $5,225,000 | +988.5% | 87,822 | +742.1% | 0.00% | – |
| Q1 2016 | $480,000 | -14.4% | 10,429 | 0.0% | 0.00% | – |
| Q4 2015 | $561,000 | – | 10,429 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| RTW INVESTMENTS, LP | 698,371 | $132,411,000 | 3.05% |
| OAK HARBOR WEALTH PARTNERS, LLC | 37,379 | $7,087,000 | 2.78% |
| CARRET ASSET MANAGEMENT, LLC | 88,500 | $16,780,000 | 2.50% |
| PFM Health Sciences, LP | 360,030 | $68,262,000 | 2.47% |
| Rock Springs Capital Management LP | 476,000 | $90,250,000 | 2.33% |
| PFM Health Sciences, LP | 207,500 | $39,342,000 | 1.42% |
| Affinity Asset Advisors, LLC | 25,000 | $4,740,000 | 1.32% |
| Redmile Group, LLC | 178,792 | $33,899,000 | 1.32% |
| Atika Capital Management LLC | 76,000 | $14,409,000 | 1.22% |
| Champlain Investment Partners, LLC | 804,075 | $152,453,000 | 1.04% |