PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 146 filers reported holding PROTHENA CORP PLC in Q4 2016. The put-call ratio across all filers is 1.16 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $42,908,000 | -18.3% | 872,281 | -0.4% | 0.01% | -25.0% |
| Q3 2016 | $52,520,000 | +77.0% | 875,767 | +3.2% | 0.01% | +60.0% |
| Q2 2016 | $29,678,000 | -14.8% | 848,925 | +0.3% | 0.01% | -16.7% |
| Q1 2016 | $34,850,000 | -33.7% | 846,698 | +9.8% | 0.01% | -33.3% |
| Q4 2015 | $52,534,000 | +50.9% | 771,313 | +0.5% | 0.01% | +50.0% |
| Q3 2015 | $34,805,000 | +3.7% | 767,650 | +20.4% | 0.01% | +20.0% |
| Q2 2015 | $33,571,000 | +61.8% | 637,387 | +17.2% | 0.01% | +66.7% |
| Q1 2015 | $20,749,000 | +125.1% | 544,021 | +22.5% | 0.00% | +200.0% |
| Q4 2014 | $9,217,000 | +32.8% | 443,968 | +41.8% | 0.00% | 0.0% |
| Q3 2014 | $6,938,000 | +8.0% | 313,080 | +9.9% | 0.00% | 0.0% |
| Q2 2014 | $6,425,000 | -3.4% | 284,912 | +64.1% | 0.00% | 0.0% |
| Q1 2014 | $6,651,000 | +51.0% | 173,597 | +4.5% | 0.00% | 0.0% |
| Q4 2013 | $4,405,000 | +36.9% | 166,093 | +4.5% | 0.00% | 0.0% |
| Q3 2013 | $3,217,000 | +108.2% | 159,014 | +32.8% | 0.00% | – |
| Q2 2013 | $1,545,000 | – | 119,704 | – | 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% |