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
101 NATERA INC 250,000 2,713 0.03%
102 NEUROCRINE BIOSCIENCES INC 750,739 29,872 0.28%
103 NOVAVAX INC 2,195,687 15,524 0.14%
104 OHR PHARMACEUTICAL INC 370,370 1,022 0.01%
105 OMEROS CORP 336,226 3,685 0.03%
106 OPHTHOTECH CORP 35,649 1,444 0.01%
107 PALATIN TECHNOLOGIES INC 2,050,000 1,661 0.02%
108 PROGENICS PHARMACEUTICALS IN 4,350,808 24,887 0.23%
109 PROQR THRAPEUTICS N V 988,299 14,400 0.13%
110 PROTALIX BIOTHERAPEUTICS INC 3,423,000 2,450 0.02% PRN
111 Proteon Therapeutics Inc. 274,617 3,820 0.04%
112 REPROS THERAPEUTICS INC 1,955,944 14,533 0.13%
113 Ritter Pharmaceuticals 400,000 820 0.01%
114 SAGE THERAPEUTICS INC 105,000 4,444 0.04%
115 SANGAMO THERAPEUTICS INC 3,755,876 21,183 0.20%
116 SEATTLE GENETICS INC 36,029,746 1,389,307 12.84%
117 SPARK THERAPEUTICS INC 1,262,382 52,679 0.49%
118 SYNERGY PHARMACEUTICALS DEL 67,100 356 0.00%
119 Seres Therapeutics Inc. 125,000 3,705 0.03%
120 Sierra Oncology, Inc. 200,000 4,104 0.04%
121 Stemline Therapeutics Inc 333,497 2,945 0.03%
122 Sunesis Pharmaceuticals I 3,200,000 2,592 0.02%
123 TENAX THERAPEUTICS INC 420,000 1,260 0.01%
124 TG THERAPEUTICS INC 2,003,991 20,200 0.19%
125 TREVENA INC 450,000 4,658 0.04%
126 TRILLIUM THERAPEUTICS INC 63,014 821 0.01%
127 ULTRAGENYX PHARMACEUTICAL IN 123,894 11,932 0.11%
128 UNIQURE NV 30,000 614 0.01%
129 VITAE PHARMACEUTICALS INC 187,597 2,065 0.02%
130 Versartis Inc 3,241,783 37,378 0.35%
131 XENOPORT INC 6,508,622 22,585 0.21%
132 ZOGENIX INC 1,798,365 24,278 0.22%
133 Zafgen Inc 390,346 12,472 0.12%
Page 3 of 3