INTERNATIONAL RECTIFIER CORP

CUSIP: 460254105 Class: COMMON STOCK

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q2 2014
Shares 201,359 Value ($000) $5,618 Avg Close — Range —
Q1 2014
Shares 192,056 Value ($000) $5,262 Avg Close — Range —
Q4 2013
Shares 63,145 Value ($000) $1,646 Avg Close — Range —
Q3 2013
Shares 61,354 Value ($000) $1,520 Avg Close — Range —