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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 MERCK & CO INC 475,000 28,158 4.36%
52 MWI VETERINARY SUP 39,000 5,788 0.90%
53 Medtronic Inc 527,500 32,679 5.06%
54 NEUROCRINE BIOSCIE COM USD0.001 315,000 4,936 0.76%
55 NOVADAQ TECHNOLOGIES INC 310,000 3,934 0.61%
56 NOVAVAX INC COM 575,000 2,398 0.37%
57 OREXIGEN THERAPEUTICS INC COM 1,250,000 5,325 0.82%
58 PACIRA PHARMACEUTICALS INC 102,000 9,886 1.53%
59 PERRIGO CO PLC 28,500 4,280 0.66%
60 PFENEX INC COM 325,000 2,392 0.37%
61 PHARMACYCLICS INC 85,250 10,011 1.55%
62 PROTHENA CORP PLC 202,500 4,487 0.69%
63 PUMA BIOTECHNOLOGY 20,500 4,891 0.76%
64 RELYPSA INC 145,000 3,058 0.47%
65 RITE AID CORP 914,300 4,425 0.68%
66 ROKA BIOSCIENCE INC 250,000 2,513 0.39%
67 RTI SURGICAL HOLDINGS INC COM 1,859,600 8,889 1.38%
68 Receptos Inc 22,500 1,397 0.22%
69 STERICYCLE INC 47,000 5,478 0.85%
70 TANDEM DIABETES CARE INC COM 277,000 3,717 0.58%
71 TEAM HEALTH HOLDINGS INC 150,750 8,742 1.35%
72 TESARO INCORPORATED 177,500 4,778 0.74%
73 THERMO FISHER SCIENTIFIC INC 108,500 13,204 2.04%
74 THORATEC LABS CORP 521,000 13,926 2.15%
75 Theravance Biopharma Inc 155,500 3,584 0.55%
76 ULTRAGENYX PHARMACEUTICAL INC COM 67,500 3,821 0.59%
77 VALEANT PHARMACEUTICALS INTL 56,000 7,347 1.14%
78 VERSARTIS INC 124,255 2,360 0.37%
79 VERTEX PHARMACEUTICALS INC 57,500 6,458 1.00%
80 WELLCARE HEALTH PLANS INC 76,250 4,601 0.71%
81 Wuxi Pharmatech Inc ADR 96,500 3,379 0.52%
82 XENOPORT INC 146,000 785 0.12%
83 ZS PHARMA INC 92,000 3,609 0.56%
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