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

PHARMACYCLICS INC's ticker is and the CUSIP is 716933906. A total of 3 filers reported holding PHARMACYCLICS INC in Q3 2013. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of PHARMACYCLICS INC
ValueSharesWeighting
Q1 2015$45,917,000
+3811.2%
179,400
+1768.8%
0.72%
+3905.6%
Q4 2014$1,174,000
+17.6%
9,600
+12.9%
0.02%
+20.0%
Q3 2014$998,000
-40.5%
8,500
-54.5%
0.02%
-42.3%
Q2 2014$1,678,000
+13.1%
18,700
+26.4%
0.03%
+4.0%
Q1 2014$1,483,000
-36.0%
14,800
-32.4%
0.02%
-28.6%
Q4 2013$2,317,000
+0.2%
21,900
+31.1%
0.04%
-20.5%
Q3 2013$2,312,000
+10.6%
16,700
-36.5%
0.04%
-15.4%
Q2 2013$2,090,00026,3000.05%
Other shareholders
PHARMACYCLICS INC shareholders Q3 2013
NameSharesValueWeighting ↓
SABBY MANAGEMENT, LLC 450$6,229,0000.40%
GROUP ONE TRADING, L.P. 16,700$2,312,0000.04%
Citadel Advisors 46,700$6,464,0000.01%
View complete list of PHARMACYCLICS INC shareholders