VIROPHARMA INC

CUSIP: 928241108 Class: COMMON STOCK

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2013
Shares 186,640 Value ($000) $9,305 Avg Close — Range —
Q3 2013
Shares 178,951 Value ($000) $7,123 Avg Close — Range —
Q2 2013
Shares 171,514 Value ($000) $5,052 Avg Close — Range —