XOMA CORP DEL

CUSIP: 98419J107 Class: CMN

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

Note: Option positions (PUT/CALL) are excluded.

Q2 2015
Shares 1,134,205 Value ($000) $4,401 Avg Close — Range —
Q1 2015
Shares 1,766,594 Value ($000) $6,430 Avg Close — Range —
Q4 2014
Shares 1,915,290 Value ($000) $6,876 Avg Close — Range —
Q3 2014
Shares 316,497 Value ($000) $1,332 Avg Close — Range —
Q2 2014
Shares 435,865 Value ($000) $2,001 Avg Close — Range —
Q1 2014
Shares 1,182,053 Value ($000) $6,158 Avg Close — Range —