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

XOMA CORP DEL's ticker is XOMAXXXX and the CUSIP is 98419J107. A total of 85 filers reported holding XOMA CORP DEL in Q3 2013. The put-call ratio across all filers is 0.06 and the average weighting 0.1%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of XOMA CORP DEL
ValueSharesWeighting
Q3 2016$73,000
+143.3%
159,099
+195.1%
0.00%
Q2 2016$30,000
-37.5%
53,913
-12.5%
0.00%
-100.0%
Q1 2016$48,000
-46.1%
61,613
-8.0%
0.00%0.0%
Q4 2015$89,000
-28.2%
66,959
-59.5%
0.00%
-50.0%
Q3 2015$124,000
-87.6%
165,211
-35.7%
0.00%
-85.7%
Q2 2015$997,000
+236.8%
256,914
+215.4%
0.01%
+180.0%
Q1 2015$296,000
+5.7%
81,445
+4.5%
0.01%
+25.0%
Q4 2014$280,000
-64.8%
77,951
-58.7%
0.00%
-66.7%
Q3 2014$795,000
-21.0%
188,776
-2.3%
0.01%
-29.4%
Q1 2014$1,006,000
+36.1%
193,164
+17.2%
0.02%
+21.4%
Q3 2013$739,000
+350.6%
164,863
+265.9%
0.01%
+250.0%
Q2 2013$164,00045,0570.00%
Other shareholders
XOMA CORP DEL shareholders Q3 2013
NameSharesValueWeighting ↓
RA Capital Management 6,698,558$24,316,0003.22%
Baker Brothers Advisors 20,274,581$73,597,0001.46%
DRIEHAUS CAPITAL MANAGEMENT LLC 2,923,287$10,612,0000.46%
Artal Group S.A. 2,500,000$9,075,0000.29%
Palo Alto Investors LP 522,683$1,897,0000.22%
KINGDON CAPITAL MANAGEMENT, L.L.C. 975,000$3,530,0000.21%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 1,200,000$4,356,0000.20%
Orbimed Advisors 2,585,927$9,387,0000.20%
EAM Investors, LLC 201,214$730,0000.16%
TFS CAPITAL LLC 305,006$1,107,0000.05%
View complete list of XOMA CORP DEL shareholders