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

XOMA CORP DEL's ticker is XOMAXXXX and the CUSIP is 98419J107. A total of 106 filers reported holding XOMA CORP DEL in Q4 2014. The put-call ratio across all filers is 0.30 and the average weighting 0.0%.

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 Q4 2014
NameSharesValueWeighting ↓
RA Capital Management 6,915,525$31,051,0003.24%
Baker Brothers Advisors 23,032,372$103,415,0001.47%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 6,096,634$27,374,0001.27%
DRIEHAUS CAPITAL MANAGEMENT LLC 2,757,112$12,378,0000.48%
Artal Group S.A. 2,500,000$11,225,0000.36%
KINGDON CAPITAL MANAGEMENT, L.L.C. 1,650,000$7,409,0000.36%
KINGDON CAPITAL MANAGEMENT, L.L.C. 1,350,296$6,063,0000.30%
Orbimed Advisors 2,787,070$12,514,0000.22%
Palo Alto Investors LP 418,183$1,878,0000.20%
TFS CAPITAL LLC 712,008$3,197,0000.15%
View complete list of XOMA CORP DEL shareholders