MARSHALL WACE, LLP - INTERNATIONAL RECTIFIER CORP ownership

INTERNATIONAL RECTIFIER CORP's ticker is IRF and the CUSIP is 460254105. A total of 186 filers reported holding INTERNATIONAL RECTIFIER CORP in Q4 2014. The put-call ratio across all filers is 0.41 and the average weighting 0.4%.

Quarter-by-quarter ownership
MARSHALL WACE, LLP ownership history of INTERNATIONAL RECTIFIER CORP
ValueSharesWeighting
Q4 2014$592,000
-14.5%
14,825
-15.9%
0.01%
-20.0%
Q3 2014$692,00017,6200.01%
Other shareholders
INTERNATIONAL RECTIFIER CORP shareholders Q4 2014
NameSharesValueWeighting ↓
OMT Capital Management LLC 609,140$15,088,0004.98%
EdgePoint Investment Group Inc. 6,321,404$156,581,0004.57%
CONTRAVISORY INVESTMENT MANAGEMENT, INC. 490,446$12,148,0002.53%
SHUFRO ROSE & CO LLC 303,935$7,528,0000.86%
GRUBER & MCBAINE CAPITAL MANAGEMENT LLC 100,000$2,477,0000.75%
SCHNEIDER CAPITAL MANAGEMENT CORP 224,610$5,564,0000.51%
ALPHA WINDWARD LLC 17,340$430,0000.32%
ROYCE & ASSOCIATES LP 3,793,605$93,968,0000.28%
WESTPORT ADVISERS LLC 120,246$2,978,0000.27%
WHV Investments, Inc. 2,182,320$54,056,0000.27%
View complete list of INTERNATIONAL RECTIFIER CORP shareholders