SUPERTEX INC

CUSIP: 868532102 Class: COM

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

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

Q1 2014
Shares 28,268 Value ($000) $933 Avg Close — Range —
Q4 2013
Shares 27,608 Value ($000) $692 Avg Close — Range —
Q3 2013
Shares 26,816 Value ($000) $680 Avg Close — Range —
Q2 2013
Shares 27,155 Value ($000) $656 Avg Close — Range —