Twin Securities

Twin Securities as of Dec. 31, 2011

Portfolio Holdings for Twin Securities

Twin Securities holds 11 positions in its portfolio as reported in the December 2011 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Pharmasset 34.6 $16M 127k 128.19
Temple-Inland 15.1 $7.1M 223k 31.71
Motorola Mobility Holdings 12.1 $5.7M 146k 38.80
SuccessFactors 11.8 $5.5M 139k 39.88
Yahoo! 11.0 $5.2M 320k 16.13
NYSE Euronext 6.7 $3.1M 120k 26.10
Wts/the Pnc Financial Services Grp wts 3.0 $1.4M 118k 11.78
Jpmorgan Chase & Co. w exp 10/201 2.4 $1.1M 133k 8.50
Goodrich Corporation 2.2 $1.0M 8.2k 123.63
American Capital 0.8 $390k 58k 6.75
Promotora De Informaciones S adr cl b conv 0.2 $78k 16k 4.84