CastleRock Asset Management

CastleRock Asset Management as of March 31, 2011

Portfolio Holdings for CastleRock Asset Management

CastleRock Asset Management holds 56 positions in its portfolio as reported in the March 2011 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Baker Hughes 3.6 $9.9M 271k 36.53
Apple 3.5 $9.8M 57k 172.84
Incyte Genomics Inc ........ C ommon stock 4 3.5 $9.8M 620k 15.85
D Maxim Integrated Pro Ds Inc Co Common Stock 5 3.5 $9.7M 378k 25.60
Seagate Technology Plc shs g 3.5 $9.6M 666k 14.41
D Precision Castparts Corp Com S Common Stock 7 3.4 $9.5M 64k 147.19
Walter Energy 3.4 $9.5M 144k 65.87
Savient Pharmaceuticals 3.2 $8.9M 842k 10.60
Warner Chilcott Plc Ireland shs a g 3.2 $8.9M 812k 10.94
Imperial Holdings 3.1 $8.7M 853k 10.15
Goodyear Tire & Rubr 3.1 $8.5M 1.2M 6.89
D Children's Place Ret Ail Store Common Stock 1 3.1 $8.5M 171k 49.83
Hertz Global Holdings 3.0 $8.4M 1.2M 7.13
Thoratec Corporation 2.9 $7.9M 305k 25.93
Chemtura Corp 2.8 $7.7M 446k 17.20
Finisar Corp 2.7 $7.5M 714k 10.58
Transatlantic Petroleum Ltd shs g 2.6 $7.3M 2.3M 3.10
Cfindustrieshldgscomstkusd0.01 C om 1 2.5 $6.9M 51k 136.78
Commercial Metals 2.4 $6.6M 384k 17.27
Cliffs Natural Resources 2.4 $6.6M 67k 98.28
Amazon 2.2 $6.2M 34k 180.12
Onyx Pharmaceuticals 2.2 $6.0M 456k 13.26
D National-oilwell Varco Inc Com Common Stock 6 2.1 $5.9M 75k 79.27
Marathon Oil Corp 2.1 $5.9M 485k 12.11
Micron Technology 2.1 $5.9M 1.4M 4.25
Pfizer 2.1 $5.8M 285k 20.31
Auxilium Pharmaceuticals 2.0 $5.6M 261k 21.47
Cbs Corp New cl b 1 1.8 $5.1M 1.4M 3.63
Human Genome Sciences 1.8 $5.0M 545k 9.09
Cytec Inds 1.7 $4.8M 272k 17.58
Weatherford International Lt reg shs h 1.3 $3.6M 604k 6.04
Edwards Lifesciences Corp 1.3 $3.6M 156k 23.07
Sterling Finl Corp Wash 1.2 $3.4M 803k 4.29
Las Vegas Sands Corp 1.2 $3.4M 554k 6.09
Lear Corp 1.2 $3.3M 273k 12.20
Cit Group 1.2 $3.2M 311k 10.38
Intl Paper 1.1 $3.1M 435k 7.20
Capitalsource Inc 1 1.1 $3.1M 444k 7.04
Avis Budget Group 1.0 $2.8M 717k 3.97
Dana Hldg Corp 1.0 $2.7M 1.3M 2.09
Boeing 0.8 $2.2M 165k 13.27
Calix 0.7 $2.1M 593k 3.46
Qualcomm 0.6 $1.7M 213k 7.87
Novellus Sys 0.6 $1.6M 312k 5.10
Ciena Corp 0.6 $1.5M 444k 3.42
Broadcom Corp cl a 1 0.5 $1.5M 291k 5.04
Alcoa 0.5 $1.3M 643k 2.10
United States Stl Corp 0.5 $1.3M 210k 6.41
International Coal Grp Inc N 0.5 $1.2M 995k 1.25
Gaylord Entmt 0.4 $1.1M 321k 3.52
Halliburton Co Com C om 4 0.4 $1.0M 422k 2.42
Altera Corp 0.3 $877k 247k 3.55
Union Pac Corp 0.3 $860k 110k 7.79
United Parcel Service Inc cl b 9 0.2 $560k 142k 3.94
Interoil Corp 0.0 $58k 783.00 74.07
Lazard Ltd shs a g 0.0 $39k 241k 0.16