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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 AVALANCHE BIOTECHNOLOGIES IN 7,198 246 0.04%
2 CERULEAN PHARMA INC 85,635 361 0.06%
3 HERON THERAPEUTICS INC COM 70,000 583 0.09%
4 XENOPORT INC 146,000 785 0.12%
5 FIVE PRIME THERAPEUTICS INC 115,000 1,349 0.21%
6 ENTEROMEDICS INC 1,125,000 1,384 0.21%
7 Receptos Inc 22,500 1,397 0.22%
8 Arrowhead Pharma Inc 115,000 1,699 0.26%
9 CYMABAY THERAPEUTICS INC 300,000 2,052 0.32%
10 AERIE PHARMACEUTICALS INC COM 99,300 2,055 0.32%
11 KITE PHARMA INCORPORATED 82,474 2,351 0.36%
12 VERSARTIS INC 124,255 2,360 0.37%
13 PFENEX INC COM 325,000 2,392 0.37%
14 NOVAVAX INC COM 575,000 2,398 0.37%
15 ROKA BIOSCIENCE INC 250,000 2,513 0.39%
16 KINDRED BIOSCIENCES INC 275,000 2,544 0.39%
17 INFINITY PHARMACEUTICALS INC 210,000 2,818 0.44%
18 JAZZ PHARMACEUTICALS PLC 18,250 2,930 0.45%
19 RELYPSA INC 145,000 3,058 0.47%
20 CUBIST PHARMACEUTI 46,500 3,085 0.48%
21 INNOVIVA INC COM 190,000 3,247 0.50%
22 MEDICINES CO 148,250 3,309 0.51%
23 Wuxi Pharmatech Inc ADR 96,500 3,379 0.52%
24 LIVANOVA PLC 67,000 3,428 0.53%
25 FEI COMPANY 47,000 3,545 0.55%
26 EPIZYME INC COM 131,000 3,551 0.55%
27 INTERCEPT PHARMACEUTICALS INCORPORATED 15,100 3,574 0.55%
28 Theravance Biopharma Inc 155,500 3,584 0.55%
29 ZS PHARMA INC 92,000 3,609 0.56%
30 COVANCE INC 46,000 3,620 0.56%
31 TANDEM DIABETES CARE INC COM 277,000 3,717 0.58%
32 ULTRAGENYX PHARMACEUTICAL INC COM 67,500 3,821 0.59%
33 CHINA CORD BLOOD CORP 795,000 3,888 0.60%
34 NOVADAQ TECHNOLOGIES INC 310,000 3,934 0.61%
35 Allergan plc 22,750 4,054 0.63%
36 AGILENT TECHNOLOGIES INC 72,500 4,131 0.64%
37 PERRIGO CO PLC 28,500 4,280 0.66%
38 RITE AID CORP 914,300 4,425 0.68%
39 PROTHENA CORP PLC 202,500 4,487 0.69%
40 WELLCARE HEALTH PLANS INC 76,250 4,601 0.71%
41 TESARO INCORPORATED 177,500 4,778 0.74%
42 PUMA BIOTECHNOLOGY 20,500 4,891 0.76%
43 NEUROCRINE BIOSCIE COM USD0.001 315,000 4,936 0.76%
44 CATALENT INC 201,000 5,031 0.78%
45 INCYTE CORP 103,000 5,052 0.78%
46 OREXIGEN THERAPEUTICS INC COM 1,250,000 5,325 0.82%
47 STERICYCLE INC 47,000 5,478 0.85%
48 MWI VETERINARY SUP 39,000 5,788 0.90%
49 ILLUMINA INC 37,000 6,065 0.94%
50 Heartware International, Inc. 82,000 6,366 0.98%
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