VOLTERRA SEMICONDUCTOR CORP

CUSIP: 928708106 Class: COM

OXFORD ASSET MANAGEMENT LLP's Holding History (CIK: 0001438284)

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

Q3 2013
Shares 154,428 Value ($000) $3,552 Avg Close — Range —
Q2 2013
Shares 62,966 Value ($000) $889 Avg Close — Range —