GROUP ONE TRADING, L.P. - PHARMACYCLICS INC ownership

PHARMACYCLICS INC's ticker is PCYC and the CUSIP is 716933106. A total of 285 filers reported holding PHARMACYCLICS INC in Q4 2014. The put-call ratio across all filers is 1.43 and the average weighting 0.3%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of PHARMACYCLICS INC
ValueSharesWeighting
Q4 2014$2,893,000
+45.1%
23,663
+39.4%
0.04%
+41.9%
Q3 2014$1,994,000
+30.4%
16,977
-0.4%
0.03%
+29.2%
Q2 2014$1,529,000
+42.6%
17,041
+59.3%
0.02%
+33.3%
Q1 2014$1,072,000
-75.3%
10,696
-73.9%
0.02%
-72.7%
Q4 2013$4,342,000
-41.7%
41,047
-23.7%
0.07%
-53.8%
Q3 2013$7,449,000
+111.8%
53,814
+21.6%
0.14%
+64.4%
Q2 2013$3,517,00044,2530.09%
Other shareholders
PHARMACYCLICS INC shareholders Q4 2014
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