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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 Anacor Pharmaceuticals Inc 4,135,412 486,779 4.50%
7 BIOMARIN PHARMACEUTICAL INC 4,076,353 429,321 3.97%
8 GENOMIC HEALTH INC COM 13,658,328 289,011 2.67%
9 DBV TECHNOLOGIES S A 5,462,019 194,393 1.80%
10 BIOCRYST PHARMACEUTICALS 14,110,179 160,856 1.49%
11 DYAX CORP COM CVR 7,561,480 144,349 1.33%
12 MIRATI THERAPEUTICS INC COM 2,955,074 101,714 0.94%
13 AQUINOX PHARMACEUTICALS INC 6,747,332 94,935 0.88%
14 HERON THERAPEUTICS INC COM 2,907,784 70,950 0.66%
15 CERUS CORP 13,553,275 61,532 0.57%
16 BELLICUM PHARMACEUTICALS INCORPORATED 4,190,594 60,889 0.56%
17 SPARK THERAPEUTICS INCORPORATED 1,262,382 52,679 0.49%
18 INVITAE CORP 6,554,967 47,327 0.44%
19 VERSARTIS INC 3,241,783 37,378 0.35%
20 IMMUNOGEN INC 3,548,040 34,061 0.31%
21 NEUROCRINE BIOSCIE COM USD0.001 750,739 29,872 0.28%
22 INSMED INC 1,583,490 29,405 0.27%
23 ACORDA THERAPEUTICS INC 1,096,876 29,078 0.27%
24 MEDIVATION INC 659,752 28,039 0.26%
25 HALOZYME THERAPEUTICS INC 1,931,057 25,934 0.24%
26 Progenics Pharmaceuticals Inc 4,350,808 24,887 0.23%
27 GILEAD SCIENCES INC 249,995 24,547 0.23%
28 INTRA-CELLULAR THERAPIES INC 609,166 24,391 0.23%
29 ZOGENIX INC 1,798,365 24,278 0.22%
30 Life Technologies Corp 2,335,125 23,958 0.22%
31 IDERA PHARMACEUTICALS INCORPORATED COM NEW 6,976,162 23,370 0.22%
32 XENOPORT INC 6,508,622 22,585 0.21%
33 CATALYST PHARMACEUTICALS INC 7,335,692 22,007 0.20%
34 SANGAMO THERAPEUTICS INCORPORATED 3,755,876 21,183 0.20%
35 TG THERAPEUTICS INC COM 2,003,991 20,200 0.19%
36 ARRAY BIOPHARMA INC 4,310,666 19,657 0.18%
37 CLOVIS ONCOLOGY INC 202,630 18,634 0.17%
38 ALDER BIOPHARMACEUTICALS INC 513,439 16,820 0.16%
39 DERMA SCIENCES ORD 3,457,841 16,286 0.15%
40 NOVAVAX INC COM 2,195,687 15,524 0.14%
41 GALAPAGOS NV 369,276 15,033 0.14%
42 FOAMIX PHARMACEUTICALS LTD 2,046,967 15,004 0.14%
43 REPROS THERAPEUTICS INC 1,955,944 14,533 0.13%
44 ProQR Therapeutics NV 988,299 14,400 0.13%
45 ACHILLION PHARMACEUTICALS IN 2,000,000 13,820 0.13%
46 ZAFGEN INC COM 390,346 12,472 0.12%
47 BLUEBIRD BIO INC COM 141,105 12,072 0.11%
48 ULTRAGENYX PHARMACEUTICAL INC COM 123,894 11,932 0.11%
49 THRESHOLD PHARMACEUTICAL INC 2,925,519 11,907 0.11%
50 LA JOLLA PHARMACEUTICAL CO 412,008 11,450 0.11%
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