VOLTERRA SEMICONDUCTOR CORP

CUSIP: 928708106 Class: COM

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q3 2013
Shares 39,168 Value ($000) $901 Avg Close — Range —
Q2 2013
Shares 38,507 Value ($000) $544 Avg Close — Range —