Dark
Light
System
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 (2014Q1)
Original 13F HR (0001172661-14-001101) filed in 2014.05.15
#
Name
Shares
Value ($)
%
Options
Notes
51 NOVAVAX INC COM 325,000 1,472 0.34%
52 National Australia Bank ADR 53,000 2,588 0.60%
53 OREXIGEN THERAPEUTICS INC COM 830,000 5,395 1.24%
54 PACIRA PHARMACEUTICALS INC 61,000 4,269 0.98%
55 PERRIGO CO PLC 28,500 4,408 1.02%
56 PHARMACYCLICS INC 31,500 3,157 0.73%
57 PROTHENA CORP PLC 65,000 2,490 0.57%
58 PUMA BIOTECHNOLOGY 3,728 388 0.09%
59 REGENERON PHARMACEUTICALS 7,500 2,252 0.52%
60 RTI SURGICAL HOLDINGS INC COM 686,382 2,800 0.65%
61 Receptos Inc 50,000 2,097 0.48%
62 SELECT SECTOR SPDR TR 200,000 11,698 2.70%
63 STERICYCLE INC 31,000 3,522 0.81%
64 TEAM HEALTH HOLDINGS INC 121,250 5,426 1.25%
65 TESARO INCORPORATED 129,500 3,818 0.88%
66 THERMO FISHER SCIENTIFIC INC 107,250 12,896 2.97%
67 THORATEC LABS CORP 401,000 14,360 3.31%
68 ULTRAGENYX PHARMACEUTICAL INC COM 51,500 2,518 0.58%
69 UNITEDHEALTH GROUP INC 181,000 14,840 3.42%
70 UNIVERSAL HLTH SVCS INC 45,000 3,693 0.85%
71 VALEANT PHARMACEUTICALS INTL 53,000 6,987 1.61%
72 VERTEX PHARMACEUTICALS INC 16,000 1,132 0.26%
73 WELLCARE HEALTH PLANS INC 51,500 3,271 0.75%
74 Walgreens 70,500 4,655 1.07%
75 Wuxi Pharmatech Inc ADR 52,500 1,935 0.45%
Page 2 of 2