PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 139 filers reported holding PROTHENA CORP PLC in Q2 2015. The put-call ratio across all filers is 0.53 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $6,527,000 | -20.3% | 132,680 | -2.8% | 0.01% | -20.0% |
| Q3 2016 | $8,187,000 | +73.0% | 136,518 | +0.8% | 0.01% | +66.7% |
| Q2 2016 | $4,733,000 | -6.6% | 135,370 | +10.0% | 0.01% | -14.3% |
| Q1 2016 | $5,065,000 | -29.1% | 123,063 | +17.3% | 0.01% | -22.2% |
| Q4 2015 | $7,148,000 | +51.1% | 104,947 | +0.6% | 0.01% | +50.0% |
| Q3 2015 | $4,730,000 | -15.3% | 104,321 | -1.6% | 0.01% | -14.3% |
| Q2 2015 | $5,582,000 | +70.2% | 105,984 | +23.2% | 0.01% | +75.0% |
| Q1 2015 | $3,280,000 | +86.2% | 85,996 | +1.3% | 0.00% | +100.0% |
| Q4 2014 | $1,762,000 | -7.1% | 84,898 | -0.8% | 0.00% | -33.3% |
| Q3 2014 | $1,897,000 | +21.4% | 85,617 | +23.6% | 0.00% | +50.0% |
| Q2 2014 | $1,562,000 | -16.0% | 69,282 | +42.7% | 0.00% | -33.3% |
| Q1 2014 | $1,860,000 | +46.3% | 48,552 | +1.3% | 0.00% | +50.0% |
| Q4 2013 | $1,271,000 | +52.4% | 47,932 | +16.3% | 0.00% | +100.0% |
| Q3 2013 | $834,000 | +66.1% | 41,230 | +6.0% | 0.00% | 0.0% |
| Q2 2013 | $502,000 | – | 38,884 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 11,584,280 | $697,952,870 | 21.24% |
| Prosight Management, LP | 330,000 | $19,882,500 | 10.84% |
| First Light Asset Management, LLC | 1,535,599 | $92,519,840 | 8.59% |
| Palo Alto Investors LP | 1,658,577 | $99,929,264 | 8.52% |
| Finepoint Capital LP | 322,900 | $19,455 | 6.29% |
| Birchview Capital, LP | 127,195 | $7,663 | 5.41% |
| Avidity Partners Management LP | 2,953,000 | $177,918,250 | 3.85% |
| DCF Advisers, LLC | 74,100 | $4,464,525 | 3.02% |
| PFM Health Sciences, LP | 875,464 | $52,746,706 | 1.89% |
| SECTORAL ASSET MANAGEMENT INC | 115,200 | $6,940,800 | 1.34% |