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Institutional Investment Manager
BAKER BROS. ADVISORS LP
BAKER BROS. ADVISORS LP (CIK: 0001263508) incorporated in Delaware, located at 860 Washington Street, New York, NY. Institutional holdings reported to the SEC.

Institutional Holdings (2014Q1)
Original 13F HR (0001144204-14-031196) filed in 2014.05.15
#
Name
Shares
Value ($)
%
Options
Notes
1 SALIX PHARMACEUTICALS INC 3,621 375 0.00%
2 ALNYLAM PHARMACEUTICALS INC 11,600 779 0.01%
3 CYCLACEL PHARMACEUTICALS INC 13,253 113 0.00%
4 FIVE PRIME THERAPEUTICS INC 19,823 390 0.00%
5 Receptos Inc 23,900 1,002 0.01%
6 ACCELERON PHARMA INC 28,765 992 0.01%
7 UNIQURE NV 30,672 477 0.01%
8 TESARO INCORPORATED 31,218 920 0.01%
9 OPHTHOTECH CORP 36,776 1,314 0.02%
10 FURIEX PHARMACEUTICALS INC 40,309 3,507 0.04%
11 CHEMOCENTRYX INC 50,000 332 0.00%
12 AUXILIUM PHARMACEUTICALS INC 58,544 1,591 0.02%
13 KARYOPHARM THERAPEUTICS INC COM 59,095 1,825 0.02%
14 LIGAND PHARMACEUTICALS INC 73,400 4,937 0.06%
15 ENANTA PHARMACEUTICALS INC 80,957 3,237 0.04%
16 MACROGENICS INC 96,165 2,676 0.03%
17 IONIS PHARMACEUTICAL 96,303 4,161 0.05%
18 ULTRAGENYX PHARMACEUTICAL INC COM 100,000 4,889 0.06%
19 ACHAOGEN INC COM 100,000 1,546 0.02%
20 PORTOLA PHARMACEUTICALS INC 182,591 4,729 0.06%
21 RETROPHIN INC 197,178 4,194 0.05%
22 BLUEBIRD BIO INC COM 198,260 4,508 0.06%
23 AGIOS PHARMACEUTICALS INC 199,893 7,826 0.10%
24 EPIZYME INC COM 214,012 4,873 0.06%
25 LA JOLLA PHARMACEUTICAL CO 221,631 2,394 0.03%
26 PROTHENA CORP PLC 230,142 8,817 0.11%
27 ORASURE TECHNOLOGIES INC 234,664 1,870 0.02%
28 ZIOPHARM ONCOLOGY INC 244,619 1,120 0.01%
29 INTERCEPT PHARMACEUTICALS INCORPORATED 256,375 84,550 1.07%
30 AERIE PHARMACEUTICALS INC COM 299,356 6,343 0.08%
31 KYTHERA BIOPHARMACEUTICALS I 311,255 12,375 0.16%
32 STEMLINE THERAPEUTICS INC 338,671 6,895 0.09%
33 OSIRIS THERAPEUTICS INC NEW COM 361,530 4,747 0.06%
34 REGADO BIOSCIENCES INC 400,000 5,008 0.06%
35 GERON CORP 402,629 837 0.01%
36 VENTRUS BIOSCIENCES INC 417,690 535 0.01%
37 BIODELIVERY SCIENCES INTL IN 421,005 3,553 0.05%
38 ACHILLION PHARMACEUTICALS IN 438,337 1,442 0.02%
39 IRONWOOD PHARMACEUTICALS INC 446,160 5,497 0.07%
40 NEUROCRINE BIOSCIE COM USD0.001 447,874 7,211 0.09%
41 AMICUS THERAPEUTICS INC COM 481,697 997 0.01%
42 RIGEL PHARMACEUTICAL INC 481,972 1,870 0.02%
43 Tekmira Pharmaceuticals Corp. 484,156 10,405 0.13%
44 SYNTA PHARMACEUTICALS CORP 500,000 2,155 0.03%
45 GALECTIN THERAPEUTICS INC COM 500,000 7,655 0.10%
46 AEGERION PHARMACEUTICALS INC 513,922 23,702 0.30%
47 SANGAMO THERAPEUTICS INCORPORATED 522,764 9,452 0.12%
48 CLOVIS ONCOLOGY INC 529,990 36,712 0.47%
49 XENCOR INC COM 542,363 6,362 0.08%
50 INSMED INC 554,050 10,549 0.13%
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