Magnetar Financial

Magnetar Financial as of Dec. 31, 2012

Portfolio Holdings for Magnetar Financial

Magnetar Financial holds 3 positions in its portfolio as reported in the December 2012 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
NYSE Euronext 74.3 $69M 2.2M 31.54
Arbitron 24.0 $22M 479k 46.68
Ameristar Casinos 1.7 $1.6M 60k 26.23