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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
1 ZS PHARMA INC 92,000 3,609 0.56%
2 XENOPORT INC 146,000 785 0.12%
3 Wuxi Pharmatech Inc ADR 96,500 3,379 0.52%
4 WELLCARE HEALTH PLANS INC 76,250 4,601 0.71%
5 VERTEX PHARMACEUTICALS INC 57,500 6,458 1.00%
6 VERSARTIS INC 124,255 2,360 0.37%
7 VALEANT PHARMACEUTICALS INTL 56,000 7,347 1.14%
8 ULTRAGENYX PHARMACEUTICAL INC COM 67,500 3,821 0.59%
9 Theravance Biopharma Inc 155,500 3,584 0.55%
10 THORATEC LABS CORP 521,000 13,926 2.15%
11 THERMO FISHER SCIENTIFIC INC 108,500 13,204 2.04%
12 TESARO INCORPORATED 177,500 4,778 0.74%
13 TEAM HEALTH HOLDINGS INC 150,750 8,742 1.35%
14 TANDEM DIABETES CARE INC COM 277,000 3,717 0.58%
15 STERICYCLE INC 47,000 5,478 0.85%
16 Receptos Inc 22,500 1,397 0.22%
17 RTI SURGICAL HOLDINGS INC COM 1,859,600 8,889 1.38%
18 ROKA BIOSCIENCE INC 250,000 2,513 0.39%
19 RITE AID CORP 914,300 4,425 0.68%
20 RELYPSA INC 145,000 3,058 0.47%
21 PUMA BIOTECHNOLOGY 20,500 4,891 0.76%
22 PROTHENA CORP PLC 202,500 4,487 0.69%
23 PHARMACYCLICS INC 85,250 10,011 1.55%
24 PFENEX INC COM 325,000 2,392 0.37%
25 PERRIGO CO PLC 28,500 4,280 0.66%
26 PACIRA PHARMACEUTICALS INC 102,000 9,886 1.53%
27 OREXIGEN THERAPEUTICS INC COM 1,250,000 5,325 0.82%
28 NOVAVAX INC COM 575,000 2,398 0.37%
29 NOVADAQ TECHNOLOGIES INC 310,000 3,934 0.61%
30 NEUROCRINE BIOSCIE COM USD0.001 315,000 4,936 0.76%
31 Medtronic Inc 527,500 32,679 5.06%
32 MWI VETERINARY SUP 39,000 5,788 0.90%
33 MERCK & CO INC 475,000 28,158 4.36%
34 MEDICINES CO 148,250 3,309 0.51%
35 MCKESSON CORP 128,500 25,015 3.87%
36 LIVANOVA PLC 67,000 3,428 0.53%
37 KITE PHARMA INCORPORATED 82,474 2,351 0.36%
38 KINDRED BIOSCIENCES INC 275,000 2,544 0.39%
39 JAZZ PHARMACEUTICALS PLC 18,250 2,930 0.45%
40 INTUITIVE SURGICAL INC 18,500 8,544 1.32%
41 INTERCEPT PHARMACEUTICALS INCORPORATED 15,100 3,574 0.55%
42 INNOVIVA INC COM 190,000 3,247 0.50%
43 INFINITY PHARMACEUTICALS INC 210,000 2,818 0.44%
44 INCYTE CORP 103,000 5,052 0.78%
45 ILLUMINA INC 37,000 6,065 0.94%
46 Heartware International, Inc. 82,000 6,366 0.98%
47 HUMANA INC 79,500 10,358 1.60%
48 HILL ROM HLDGS INC 213,000 8,825 1.37%
49 HERON THERAPEUTICS INC COM 70,000 583 0.09%
50 HCA HOLDINGS INC 320,250 22,584 3.49%
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