Ghost Tree Capital, LLC - PROTHENA CORP PLC ownership

PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 145 filers reported holding PROTHENA CORP PLC in Q1 2016. The put-call ratio across all filers is 1.24 and the average weighting 0.2%.

Quarter-by-quarter ownership
Ghost Tree Capital, LLC ownership history of PROTHENA CORP PLC
ValueSharesWeighting
Q1 2017$5,579,000
-9.0%
100,000
+11.1%
1.04%
-58.6%
Q4 2015$6,130,000
+45.5%
90,000
-18.2%
2.51%
+0.3%
Q1 2014$4,214,000
+22.2%
110,000
-15.4%
2.50%
+18.0%
Q4 2013$3,448,000130,0002.12%
Other shareholders
PROTHENA CORP PLC shareholders Q1 2016
NameSharesValueWeighting ↓
EcoR1 Capital, LLC 11,584,280$558,941,51018.85%
Finepoint Capital LP 349,300$16,853,7258.39%
Palo Alto Investors LP 1,657,458$79,972,3497.57%
Birchview Capital, LP 169,574$8,181,9466.96%
First Light Asset Management, LLC 1,494,039$72,087,3826.85%
DCF Advisers, LLC 82,950$4,002,3382.18%
Prosight Management, LP 126,202$6,089,2471.93%
PFM Health Sciences, LP 836,571$40,364,5511.90%
SECTORAL ASSET MANAGEMENT INC 172,407$8,318,6381.62%
Boxer Capital, LLC 625,000$30,156,2501.60%
View complete list of PROTHENA CORP PLC shareholders