Baker Brothers Advisors - PROTHENA CORP PLC ownership

PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 106 filers reported holding PROTHENA CORP PLC in Q4 2013. The put-call ratio across all filers is 0.51 and the average weighting 0.1%.

Quarter-by-quarter ownership
Baker Brothers Advisors ownership history of PROTHENA CORP PLC
ValueSharesWeighting
Q1 2014$8,817,000
-1.3%
230,142
-31.7%
0.11%
-11.1%
Q4 2013$8,935,000
+19.5%
336,918
-8.9%
0.13%
+18.9%
Q3 2013$7,478,000
+56.7%
369,6500.0%0.11%
+12.8%
Q2 2013$4,772,000369,6500.09%
Other shareholders
PROTHENA CORP PLC shareholders Q4 2013
NameSharesValueWeighting ↓
Woodford Investment Management Ltd 10,304,751$360,254,00016.93%
Palo Alto Investors LP 788,618$27,570,0002.08%
Redmile Group, LLC 487,406$17,040,0001.63%
TURNER INVESTMENTS LLC 78,870$2,757,0000.86%
Rock Springs Capital Management LP 308,000$10,768,0000.80%
SECTORAL ASSET MANAGEMENT INC 174,746$6,109,0000.63%
BB BIOTECH AG 350,000$12,236,0000.48%
MARINER INVESTMENT GROUP LLC 33,104$1,157,0000.39%
PINNACLE ASSOCIATES LTD 436,417$15,257,0000.33%
OAK RIDGE INVESTMENTS LLC 364,250$12,734,0000.33%
View complete list of PROTHENA CORP PLC shareholders