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Institutional Investment Manager
Rock Springs Capital Management LP
Rock Springs Capital Management LP (CIK: 0001595725) incorporated in Delaware, located at 650 South Exeter Street, Baltimore, MD. Institutional holdings reported to the SEC.

Institutional Holdings (2014Q3)
Original 13F HR (0001172661-14-001844) filed in 2014.11.14
#
Name
Shares
Value ($)
%
Options
Notes
51 CHINA CORD BLOOD CORP 795,000 3,888 0.60%
52 ULTRAGENYX PHARMACEUTICAL INC COM 67,500 3,821 0.59%
53 TANDEM DIABETES CARE INC COM 277,000 3,717 0.58%
54 COVANCE INC 46,000 3,620 0.56%
55 ZS PHARMA INC 92,000 3,609 0.56%
56 Theravance Biopharma Inc 155,500 3,584 0.55%
57 INTERCEPT PHARMACEUTICALS INCORPORATED 15,100 3,574 0.55%
58 EPIZYME INC COM 131,000 3,551 0.55%
59 FEI COMPANY 47,000 3,545 0.55%
60 LIVANOVA PLC 67,000 3,428 0.53%
61 Wuxi Pharmatech Inc ADR 96,500 3,379 0.52%
62 MEDICINES CO 148,250 3,309 0.51%
63 INNOVIVA INC COM 190,000 3,247 0.50%
64 CUBIST PHARMACEUTI 46,500 3,085 0.48%
65 RELYPSA INC 145,000 3,058 0.47%
66 JAZZ PHARMACEUTICALS PLC 18,250 2,930 0.45%
67 INFINITY PHARMACEUTICALS INC 210,000 2,818 0.44%
68 KINDRED BIOSCIENCES INC 275,000 2,544 0.39%
69 ROKA BIOSCIENCE INC 250,000 2,513 0.39%
70 NOVAVAX INC COM 575,000 2,398 0.37%
71 PFENEX INC COM 325,000 2,392 0.37%
72 VERSARTIS INC 124,255 2,360 0.37%
73 KITE PHARMA INCORPORATED 82,474 2,351 0.36%
74 AERIE PHARMACEUTICALS INC COM 99,300 2,055 0.32%
75 CYMABAY THERAPEUTICS INC 300,000 2,052 0.32%
76 Arrowhead Pharma Inc 115,000 1,699 0.26%
77 Receptos Inc 22,500 1,397 0.22%
78 ENTEROMEDICS INC 1,125,000 1,384 0.21%
79 FIVE PRIME THERAPEUTICS INC 115,000 1,349 0.21%
80 XENOPORT INC 146,000 785 0.12%
81 HERON THERAPEUTICS INC COM 70,000 583 0.09%
82 CERULEAN PHARMA INC 85,635 361 0.06%
83 AVALANCHE BIOTECHNOLOGIES IN 7,198 246 0.04%
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