GROUP ONE TRADING, L.P. - XOMA CORP DEL ownership

XOMA CORP DEL's ticker is and the CUSIP is 98419J957. A total of 3 filers reported holding XOMA CORP DEL in Q3 2013. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of XOMA CORP DEL
ValueSharesWeighting
Q3 2016$33,000
-45.9%
72,000
-34.5%
0.00%
-100.0%
Q2 2016$61,000
+8.9%
109,900
+50.5%
0.00%0.0%
Q1 2016$56,000
-76.6%
73,000
-59.3%
0.00%
-66.7%
Q4 2015$239,000
+273.4%
179,400
+111.8%
0.00%
+200.0%
Q3 2015$64,000
-89.0%
84,700
-43.5%
0.00%
-87.5%
Q2 2015$581,000
+35.7%
149,800
+27.5%
0.01%
+14.3%
Q1 2015$428,000
+30.1%
117,500
+28.1%
0.01%
+40.0%
Q4 2014$329,000
+14.2%
91,700
+34.1%
0.01%
+25.0%
Q3 2014$288,000
-38.1%
68,400
-32.5%
0.00%
-42.9%
Q2 2014$465,000
-72.2%
101,300
-68.4%
0.01%
-75.0%
Q1 2014$1,670,000
+289.3%
320,600
+403.3%
0.03%
+366.7%
Q4 2013$429,000
-26.4%
63,700
-51.1%
0.01%
-45.5%
Q3 2013$583,000
+362.7%
130,200
+274.1%
0.01%
+266.7%
Q2 2013$126,00034,8000.00%
Other shareholders
XOMA CORP DEL shareholders Q3 2013
NameSharesValueWeighting ↓
SABBY MANAGEMENT, LLC 1,656$742,0000.05%
GROUP ONE TRADING, L.P. 130,200$583,0000.01%
Citadel Advisors 19,100$86,0000.00%
View complete list of XOMA CORP DEL shareholders