Twin Securities

Twin Securities as of June 30, 2011

Portfolio Holdings for Twin Securities

Twin Securities holds 22 positions in its portfolio as reported in the June 2011 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Big Lots (BIGGQ) 27.2 $31M 946k 33.15
EXCO Resources 10.7 $12M 698k 17.65
Varian Semiconductor 9.3 $11M 176k 61.44
Cephalon 8.0 $9.3M 116k 79.90
Lubrizol Corporation 7.5 $8.6M 64k 134.26
Sanofi Aventis Wi Conval Rt 5.2 $6.0M 2.5M 2.41
Southern Union Company 4.8 $5.5M 137k 40.15
Cephalon Inc Com Stk options - calls 3.3 $3.8M 47k 79.89
Exco Resources Inc Com options - puts 3.2 $3.7M 212k 17.65
Gen-Probe Incorporated 3.0 $3.5M 50k 69.14
Bucyrus International 2.9 $3.3M 36k 91.67
Savvis 2.8 $3.3M 82k 39.54
Community Health Systems (CYH) 2.2 $2.5M 97k 25.68
Tyco International Ltd S hs 1.7 $2.0M 40k 49.42
Skilled Healthcare 1.6 $1.9M 200k 9.46
Yahoo! 1.4 $1.6M 109k 15.04
Wts/the Pnc Financial Services Grp wts 1.3 $1.5M 118k 12.42
Jpmorgan Chase & Co. w exp 10/201 1.2 $1.4M 106k 13.47
Lawson Software 1.0 $1.1M 100k 11.22
American Capital 0.7 $805k 81k 9.92
Office Depot 0.6 $717k 170k 4.22
Sanofi Contgnt Val Rights options - calls 0.4 $476k 198k 2.41