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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 CYCLACEL PHARMACEUTICALS INC 13,253 113 0.00%
2 CHEMOCENTRYX INC 50,000 332 0.00%
3 SALIX PHARMACEUTICALS INC 3,621 375 0.00%
4 FIVE PRIME THERAPEUTICS INC 19,823 390 0.00%
5 UNIQURE NV 30,672 477 0.01%
6 VENTRUS BIOSCIENCES INC 417,690 535 0.01%
7 ALNYLAM PHARMACEUTICALS INC 11,600 779 0.01%
8 GERON CORP 402,629 837 0.01%
9 TESARO INCORPORATED 31,218 920 0.01%
10 ACCELERON PHARMA INC 28,765 992 0.01%
11 AMICUS THERAPEUTICS INC COM 481,697 997 0.01%
12 Receptos Inc 23,900 1,002 0.01%
13 ZIOPHARM ONCOLOGY INC 244,619 1,120 0.01%
14 CATALYST PHARMACEUTICALS INC 569,853 1,288 0.02%
15 OPHTHOTECH CORP 36,776 1,314 0.02%
16 ACHILLION PHARMACEUTICALS IN 438,337 1,442 0.02%
17 ACHAOGEN INC COM 100,000 1,546 0.02%
18 AUXILIUM PHARMACEUTICALS INC 58,544 1,591 0.02%
19 KARYOPHARM THERAPEUTICS INC COM 59,095 1,825 0.02%
20 RIGEL PHARMACEUTICAL INC 481,972 1,870 0.02%
21 ORASURE TECHNOLOGIES INC 234,664 1,870 0.02%
22 MAST THERAPEUTICS INC COM 3,000,000 2,040 0.03%
23 SYNTA PHARMACEUTICALS CORP 500,000 2,155 0.03%
24 LA JOLLA PHARMACEUTICAL CO 221,631 2,394 0.03%
25 MACROGENICS INC 96,165 2,676 0.03%
26 ENANTA PHARMACEUTICALS INC 80,957 3,237 0.04%
27 FURIEX PHARMACEUTICALS INC 40,309 3,507 0.04%
28 BIODELIVERY SCIENCES INTL IN 421,005 3,553 0.05%
29 IONIS PHARMACEUTICAL 96,303 4,161 0.05%
30 RETROPHIN INC 197,178 4,194 0.05%
31 CELSUS THERAPEUTICS PLC 673,887 4,374 0.06%
32 BLUEBIRD BIO INC COM 198,260 4,508 0.06%
33 CYTRX CORP 1,350,000 4,712 0.06%
34 PORTOLA PHARMACEUTICALS INC 182,591 4,729 0.06%
35 IGNYTA INC COM 571,000 4,739 0.06%
36 OSIRIS THERAPEUTICS INC NEW COM 361,530 4,747 0.06%
37 EPIZYME INC COM 214,012 4,873 0.06%
38 ULTRAGENYX PHARMACEUTICAL INC COM 100,000 4,889 0.06%
39 LIGAND PHARMACEUTICALS INC 73,400 4,937 0.06%
40 REGADO BIOSCIENCES INC 400,000 5,008 0.06%
41 IRONWOOD PHARMACEUTICALS INC 446,160 5,497 0.07%
42 NOVAVAX INC COM 1,223,362 5,542 0.07%
43 AERIE PHARMACEUTICALS INC COM 299,356 6,343 0.08%
44 XENCOR INC COM 542,363 6,362 0.08%
45 IDERA PHARMACEUTICALS INCORPORATED COM NEW 1,613,076 6,581 0.08%
46 ZOGENIX INC 2,350,400 6,687 0.08%
47 ARRAY BIOPHARMA INC 1,433,797 6,739 0.09%
48 BIOTA PHARMACEUTIALS INC COM 1,106,910 6,763 0.09%
49 AMBIT BIOSCIENCES CORP 747,954 6,821 0.09%
50 STEMLINE THERAPEUTICS INC 338,671 6,895 0.09%
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