Dark
Light
System
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
51 CYTRX CORP 1,319,989 3,128 0.03%
52 Curis, Inc 1,999,303 4,039 0.04%
53 DBV TECHNOLOGIES S A 5,462,019 194,393 1.80%
54 DERMA SCIENCES ORD 3,457,841 16,286 0.15%
55 DERMIRA INC COM 275,000 6,419 0.06%
56 DISCOVERY LABORATORIES INC N 3,569,643 1,071 0.01%
57 DYNAVAX TECHNOLOGIES CORP 75,000 1,841 0.02%
58 ENANTA PHARMACEUTICALS INC 75,357 2,723 0.03%
59 ENDOCYTE INC 1,356,552 6,213 0.06%
60 EPIZYME INC COM 232,481 2,990 0.03%
61 Exelexis 20,000,000 23,988 0.22% PRN
62 FIVE PRIME THERAPEUTICS INC 19,247 296 0.00%
63 FOAMIX PHARMACEUTICALS LTD 2,046,967 15,004 0.14%
64 Foundation Medicine 20,892 385 0.00%
65 GALAPAGOS NV 369,276 15,033 0.14%
66 GENOMIC HEALTH INC COM 13,658,328 289,011 2.67%
67 GILEAD SCIENCES 20,944,000 90,326 0.83% PRN
68 GILEAD SCIENCES INC 249,995 24,547 0.23%
69 GLOBAL BLOOD THERAPEUTICS INCORPORATED 200,000 8,432 0.08%
70 HALOZYME THERAPEUTICS INC 1,931,057 25,934 0.24%
71 HERON THERAPEUTICS INC COM 2,907,784 70,950 0.66%
72 IDERA PHARMACEUTICALS INCORPORATED COM NEW 6,976,162 23,370 0.22%
73 IGNYTA INC COM 571,000 5,013 0.05%
74 IMMUNE DESIGN CORP 148,937 1,817 0.02%
75 IMMUNOGEN INC 3,548,040 34,061 0.31%
76 INCYTE CORP 19,474,969 2,148,673 19.85%
77 INSMED INC 1,583,490 29,405 0.27%
78 INTRA-CELLULAR THERAPIES INC 609,166 24,391 0.23%
79 INVITAE CORP 6,554,967 47,327 0.44%
80 IONIS PHARMACEUTICAL 57,140 2,310 0.02%
81 IRONWOOD PHARMACEUTICALS INC 169,163 1,763 0.02%
82 Incyte Corporation 259,000,000 559,636 5.17% PRN
83 Incyte Corporation 274,500,000 598,696 5.53% PRN
84 JUNO THERAPEUTICS INC COM 80,000 3,255 0.03%
85 KARYOPHARM THERAPEUTICS INC COM 216,990 2,285 0.02%
86 LA JOLLA PHARMACEUTICAL CO 412,008 11,450 0.11%
87 LIGAND PHARMACEUTICALS INC 73,386 6,286 0.06%
88 LION BIOTECHNOLOGIES INC COM 1,817,429 10,468 0.10%
89 LOXO ONCOLOGY INC COM 100,000 1,748 0.02%
90 Life Technologies Corp 2,335,125 23,958 0.22%
91 MACROGENICS INC 347,776 7,449 0.07%
92 MAST THERAPEUTICS INC COM 4,707,464 2,730 0.03%
93 MEDIVATION INC 659,752 28,039 0.26%
94 MEDIWOUND ORD 225,000 1,717 0.02%
95 MIRATI THERAPEUTICS INC COM 2,955,074 101,714 0.94%
96 Marinus Pharmaceuticals Inc 200,000 1,668 0.02%
97 NEUROCRINE BIOSCIE COM USD0.001 750,739 29,872 0.28%
98 NEURODERM LTD 305,000 6,304 0.06%
99 NOVAVAX INC COM 2,195,687 15,524 0.14%
100 Natera, Inc. 250,000 2,713 0.03%
Page 2 of 3