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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 (2015Q3)
Original 13F HR (0001144204-15-065993) filed in 2015.11.16
#
Name
Shares
Value ($)
%
Options
Notes
1 INCYTE CORP 19,474,969 2,148,673 19.85%
2 SEATTLE GENETICS INC 36,029,746 1,389,307 12.84%
3 ALEXION PHARMACEUTIC 6,542,599 1,023,197 9.45%
4 ABBVIE INC 14,373,538 782,064 7.23%
5 ACADIA PHARMACEUTICALS INC COM 20,481,442 677,321 6.26%
6 Incyte Corporation 274,500,000 598,696 5.53% PRN
7 Incyte Corporation 259,000,000 559,636 5.17% PRN
8 Anacor Pharmaceuticals Inc 4,135,412 486,779 4.50%
9 BIOMARIN PHARMACEUTICAL INC 4,076,353 429,321 3.97%
10 GENOMIC HEALTH INC COM 13,658,328 289,011 2.67%
11 CLOVIS ONCOLOGY INC 129,300,000 215,311 1.99% PRN
12 DBV TECHNOLOGIES S A 5,462,019 194,393 1.80%
13 BIOCRYST PHARMACEUTICALS 14,110,179 160,856 1.49%
14 DYAX CORP COM CVR 7,561,480 144,349 1.33%
15 BIOMARIN PHARMACEUTICAL INC SR SB CV1.875 17 22,379,000 115,619 1.07% PRN
16 MIRATI THERAPEUTICS INC COM 2,955,074 101,714 0.94%
17 AQUINOX PHARMACEUTICALS INC 6,747,332 94,935 0.88%
18 GILEAD SCIENCES 20,944,000 90,326 0.83% PRN
19 HERON THERAPEUTICS INC COM 2,907,784 70,950 0.66%
20 CERUS CORP 13,553,275 61,532 0.57%
21 BELLICUM PHARMACEUTICALS INCORPORATED 4,190,594 60,889 0.56%
22 ACORDA THERAPEUTICS INC 59,583,000 54,123 0.50% PRN
23 SPARK THERAPEUTICS INCORPORATED 1,262,382 52,679 0.49%
24 INVITAE CORP 6,554,967 47,327 0.44%
25 VERSARTIS INC 3,241,783 37,378 0.35%
26 IMMUNOGEN INC 3,548,040 34,061 0.31%
27 NEUROCRINE BIOSCIE COM USD0.001 750,739 29,872 0.28%
28 INSMED INC 1,583,490 29,405 0.27%
29 ACORDA THERAPEUTICS INC 1,096,876 29,078 0.27%
30 MEDIVATION INC 659,752 28,039 0.26%
31 HALOZYME THERAPEUTICS INC 1,931,057 25,934 0.24%
32 Progenics Pharmaceuticals Inc 4,350,808 24,887 0.23%
33 GILEAD SCIENCES INC 249,995 24,547 0.23%
34 INTRA-CELLULAR THERAPIES INC 609,166 24,391 0.23%
35 ZOGENIX INC 1,798,365 24,278 0.22%
36 Exelexis 20,000,000 23,988 0.22% PRN
37 Life Technologies Corp 2,335,125 23,958 0.22%
38 IDERA PHARMACEUTICALS INCORPORATED COM NEW 6,976,162 23,370 0.22%
39 XENOPORT INC 6,508,622 22,585 0.21%
40 CATALYST PHARMACEUTICALS INC 7,335,692 22,007 0.20%
41 SANGAMO THERAPEUTICS INCORPORATED 3,755,876 21,183 0.20%
42 TG THERAPEUTICS INC COM 2,003,991 20,200 0.19%
43 AEGERION PHARMACEUTICALS INC 26,517,000 19,873 0.18% PRN
44 ARRAY BIOPHARMA INC 4,310,666 19,657 0.18%
45 CLOVIS ONCOLOGY INC 202,630 18,634 0.17%
46 ALDER BIOPHARMACEUTICALS INC 513,439 16,820 0.16%
47 DERMA SCIENCES ORD 3,457,841 16,286 0.15%
48 BIOMARIN PHARMACEUTICAL INC 0.75 10/15/2018 12,228,000 15,899 0.15% PRN
49 NOVAVAX INC COM 2,195,687 15,524 0.14%
50 GALAPAGOS NV 369,276 15,033 0.14%
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