DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) - PROTHENA CORP PLC ownership

PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 132 filers reported holding PROTHENA CORP PLC in Q3 2018. The put-call ratio across all filers is 3.45 and the average weighting 0.1%.

Quarter-by-quarter ownership
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) ownership history of PROTHENA CORP PLC
ValueSharesWeighting
Q2 2018$9,160,000
+1404.1%
628,262
+2184.6%
0.32%
+1363.6%
Q3 2014$609,000
+35.0%
27,500
+37.5%
0.02%
+22.2%
Q2 2014$451,000
-96.8%
20,000
-96.2%
0.02%
-97.5%
Q4 2013$14,021,000528,7050.73%
Other shareholders
PROTHENA CORP PLC shareholders Q3 2018
NameSharesValueWeighting ↓
EcoR1 Capital, LLC 9,426,640$73,905,0009.33%
GREAT POINT PARTNERS LLC 2,066,041$16,198,0001.49%
LONESTAR CAPITAL MANAGEMENT LLC 300,000$2,352,0000.78%
TANG CAPITAL MANAGEMENT LLC 423,823$3,323,0000.57%
Palo Alto Investors LP 1,004,449$7,875,0000.52%
Orbimed Advisors 3,022,117$23,693,0000.45%
Kerrisdale Advisers, LLC 61,640$483,0000.30%
Endurant Capital Management LP 86,407$677,0000.24%
Campbell & CO Investment Adviser LLC 47,901$376,0000.14%
Boxer Capital, LLC 79,598$624,0000.04%
View complete list of PROTHENA CORP PLC shareholders