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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 (2016Q2)
Portfolio Summary: 135 holdings with a total value of $9,537,918,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 INCYTE 23,498,697 1,879,426,000 19.70%
2 SEATTLE GENETICS INC 43,238,967 1,747,287,000 18.32%
3 ABBVIE INC 14,373,538 889,866,000 9.33%
4 ACADIA PHARMACEUTICALS INC COM 24,516,738 795,813,000 8.34%
5 ALEXION PHARMACEUTIC 6,543,295 763,995,000 8.01%
6 Incyte Corporation 274,500,000 467,293,000 4.90% PRN
7 Incyte Corporation 259,000,000 431,835,000 4.53% PRN
8 BIOMARIN 4,806,483 373,944,000 3.92%
9 GENOMIC HEALTH INC COM 13,668,866 353,955,000 3.71%
10 DBV TECHNOLOGIES 5,509,560 179,722,000 1.88%
11 XENOPORT INC 100,000,000 98,471,000 1.03% PRN
12 ACORDA THERAPEUTICS 3,661,082 93,376,000 0.98%
13 BIOMARIN PHARMACEUTICAL INC 22,379,000 84,908,000 0.89% PRN
14 CERUS CORP 13,553,275 84,572,000 0.89%
15 SPARK THERAPEUTICS INC 1,318,341 67,407,000 0.71%
16 ACORDA THERAPEUTICS INC 77,083,000 67,351,000 0.71% PRN
17 BELLICUM PHARMACEUTICALS INC COM 4,865,647 63,059,000 0.66%
18 BEIGENE LTD 1,912,680 56,998,000 0.60%
19 HERON THERAPEUTICS INC 2,857,250 51,573,000 0.54%
20 Aquinox Pharmaceuticals Inc 7,752,487 51,321,000 0.54%
21 CLOVIS ONCOLOGY INC NOTE 72,758,000 51,310,000 0.54% PRN
22 INVITAE CORP 6,554,967 48,441,000 0.51%
23 BIOCRYST PHARMACEUTICALS 15,010,534 42,630,000 0.45%
24 NEUROCRINE BIOSCIE COM USD0.001 895,422 40,697,000 0.43%
25 VERSARTIS INC COM 2,723,399 30,121,000 0.32%
26 Exelexis 20,000,000 29,654,000 0.31% PRN
27 ADVANCED ACCELERATOR APPLIC 833,089 25,188,000 0.26%
28 XENOPORT INC 3,475,672 24,469,000 0.26%
29 INTRA CELLULAR THERAPIES INC COM 609,166 23,648,000 0.25%
30 SANGAMO BIOSCIENCES INCORPORATED 4,055,876 23,484,000 0.25%
31 INTELLIA THERAPEUTICS INC 1,062,120 22,676,000 0.24%
32 EXELIXIS INC 2,580,000 20,150,000 0.21%
33 MEDIVATION INC 329,876 19,892,000 0.21%
34 ACHILLION PHARMACEUTICALS INC COM 2,475,515 19,309,000 0.20%
35 NOVAVAX INC COM 2,379,254 17,297,000 0.18%
36 PROGENICS PHARMACEUTICALS IN 3,970,250 16,754,000 0.18%
37 XENCOR INC COM 872,072 16,561,000 0.17%
38 HALOZYME THERAPEUTICS INC 1,838,057 15,862,000 0.17%
39 ARRAY BIOPHARMA INC COM 4,310,666 15,346,000 0.16%
40 CORSICANTO LTD 15,000,000 15,285,000 0.16% PRN
41 AEGERION PHARMACEUTICALS INC 26,517,000 14,840,000 0.16% PRN
42 INSMED INC COM PAR .01 1,500,000 14,790,000 0.16%
43 DERMA SCIENCES INC COM PAR .01 3,752,390 14,784,000 0.16%
44 GALAPAGOS NV 259,894 14,416,000 0.15%
45 Foamix Pharmaceuticals Ltd. 2,241,702 14,235,000 0.15%
46 BIOMARIN PHARMACEUTICAL INC 12,228,000 13,573,000 0.14% PRN
47 BLUEBIRD BIO INCORPORATED 293,943 12,725,000 0.13%
48 MIRATI THERAPEUTICS INC COM 2,269,198 12,390,000 0.13%
49 TG THERAPEUTICS INC COM 2,003,991 12,144,000 0.13%
50 ALKERMES PLC SHS 250,251 10,816,000 0.11%
Page 1 of 3

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001144204-16-119409, filed 2016.08.15).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.