CASTLEARK MANAGEMENT LLC - PHARMACYCLICS INC ownership

PHARMACYCLICS INC's ticker is PCYC and the CUSIP is 716933106. A total of 256 filers reported holding PHARMACYCLICS INC in Q4 2013. The put-call ratio across all filers is 0.79 and the average weighting 0.4%.

Quarter-by-quarter ownership
CASTLEARK MANAGEMENT LLC ownership history of PHARMACYCLICS INC
ValueSharesWeighting
Q3 2014$267,0000.0%2,6600.0%0.01%0.0%
Q1 2014$267,000
-56.2%
2,660
-53.8%
0.01%
-55.6%
Q4 2013$609,0005,7600.02%
Other shareholders
PHARMACYCLICS INC shareholders Q4 2013
NameSharesValueWeighting ↓
Baker Brothers Advisors 9,010,211$1,245,752,00017.70%
DAFNA Capital Management LLC 102,128$14,120,00015.42%
BENNETT LAWRENCE MANAGEMENT L L C/NY 183,390$25,355,0004.11%
QVT Financial LP 344,321$47,606,0003.24%
BB BIOTECH AG 399,030$55,170,0003.00%
LMR Master Fund Ltd 87,269$12,079,0002.31%
Ithaka Group 65,420$9,045,0002.10%
Geduld E E 22,000$3,042,0001.86%
Benchmark Capital Advisors 17,250$2,385,0001.71%
HealthCor Management, L.P. 200,000$27,652,0001.48%
View complete list of PHARMACYCLICS INC shareholders