EcoR1 Capital

EcoR1 Capital as of Dec. 31, 2014

Portfolio Holdings for EcoR1 Capital

EcoR1 Capital holds 22 positions in its portfolio as reported in the December 2014 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Kite Pharma 12.8 $25M 438k 57.67
Clovis Oncology 10.9 $22M 384k 56.00
Receptos 9.0 $18M 146k 122.51
Array Biopharma Inc note 3.000% 6/0 8.2 $16M 18M 0.93
Macrogenics (MGNX) 8.1 $16M 454k 35.07
Ironwood Pharmaceuticals (IRWD) 7.0 $14M 900k 15.32
Fibrogen (FGEN) 5.5 $11M 400k 27.34
Atara Biotherapeutics 5.1 $10M 385k 26.31
Kindred Biosciences 4.9 $9.6M 1.3M 7.45
Sage Therapeutics (SAGE) 4.6 $9.1M 491k 18.47
Keryx Biopharmaceuticals 4.2 $8.3M 589k 14.15
Assembly Biosciences 4.0 $7.9M 1.0M 7.86
Xenon Pharmaceuticals (XENE) 3.3 $6.5M 328k 19.75
Genvec 2.1 $4.1M 2.0M 2.08
Calithera Biosciences 2.1 $4.1M 202k 20.20
Vitae Pharmaceuticals 1.7 $3.4M 207k 16.64
Oncomed Pharmaceuticals 1.7 $3.4M 157k 21.76
Paratek Pharmaceuticals 1.5 $3.0M 79k 38.55
Forward Pharma A/s 1.1 $2.1M 100k 20.83
Targacept 0.8 $1.6M 620k 2.63
Halozyme Therapeutics (HALO) 0.8 $1.6M 161k 9.65
Array BioPharma 0.6 $1.1M 228k 4.73