XOMA CORP DEL

CUSIP: 98419J107 Class: CMN

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q3 2014
Shares 89,428 Value ($000) $376 Avg Close — Range —
Q2 2014
Shares 45,523 Value ($000) $209 Avg Close — Range —
Q1 2014
Shares 45,523 Value ($000) $237 Avg Close — Range —
Q4 2013
Shares 57,277 Value ($000) $385 Avg Close — Range —
Q3 2013
Shares 34,385 Value ($000) $154 Avg Close — Range —