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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 (2017Q1)
Portfolio Summary: 119 holdings with a total value of $12,220,691,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 BIOTIME INC 20,084 12,000 0.00%
2 CYCLACEL PHARMACEUTICALS INC 13,253 83,000 0.00%
3 BioPharmX Corporation 377,295 191,000 0.00%
4 WINDTREE THERAPEUTICS INC 254,973 291,000 0.00%
5 CHEMOCENTRYX INC 49,064 357,000 0.00%
6 BIODELIVERY SCIENCES INTL IN 210,021 399,000 0.00%
7 DYNAVAX TECHNOLOGIES CORP 75,000 446,000 0.00%
8 BIOVERATIV INC 8,249 449,000 0.00%
9 Proteon Therapeutics Inc 298,591 523,000 0.00%
10 ADAPTIMMUNE THERAPEUTICS PLC 100,000 551,000 0.00%
11 RITTER PHARMACEUTICALS INC 400,000 568,000 0.00%
12 ARBUTUS BIOPHARMA CORP 180,582 587,000 0.00%
13 PALATIN TECHNOLOGIES INC COM 2,050,000 671,000 0.01%
14 FIVE PRIME THERAPEUTICS INC 19,247 696,000 0.01%
15 CHIMERIX INC 115,216 735,000 0.01%
16 ACCELERON PHARMA INC 28,765 761,000 0.01%
17 MADRIGAL PHARMACEUTICALS INC 57,762 890,000 0.01%
18 AFFIMED N V COM 400,000 920,000 0.01%
19 IMMUNE DESIGN CORP 148,937 1,013,000 0.01%
20 CORBUS PHARMACEUTICALS HLDGS 130,129 1,074,000 0.01%
21 JUNO THERAPEUTICS INC COM 50,000 1,110,000 0.01%
22 CELLECTIS S A 50,000 1,200,000 0.01%
23 MYOKARDIA INC 100,000 1,315,000 0.01%
24 FULGENT GENETICS INC 125,000 1,365,000 0.01%
25 SERES THERAPEUTICS INC 125,000 1,409,000 0.01%
26 AEGLEA BIOTHERAPEUTICS INC 189,987 1,415,000 0.01%
27 MEDIWOUND ORD 226,000 1,492,000 0.01%
28 INVIVO THERAPEUTICS HLDGS CORPORATION COM NEW 400,000 1,620,000 0.01%
29 INFINITY PHARMACEUTICALS INC 580,400 1,875,000 0.02%
30 Spring Bank Pharmaceuticals In 219,298 1,952,000 0.02%
31 Natera, Inc. 228,676 2,028,000 0.02%
32 GLYCOMIMETICS INC 381,235 2,070,000 0.02%
33 TONIX PHARMACEUTICALS HLDG C 449,500 2,099,000 0.02%
34 DIMENSION THERAPEUTICS INC 1,251,881 2,191,000 0.02%
35 JOUNCE THERAPEUTICS INC 100,000 2,199,000 0.02%
36 SELECTA BIOSCIENCES INC 175,712 2,516,000 0.02%
37 PROTALIX BIOTHERAPEUTICS INC 3,423,000 2,543,000 0.02% PRN
38 TRILLIUM THERAPEUTICS INC 413,697 2,544,000 0.02%
39 KARYOPHARM THERAPEUTICS INC COM 216,990 2,786,000 0.02%
40 INOTEK PHARMACEUTICALS CORP 5,000,000 3,008,000 0.02% PRN
41 Aevi Genomic Medicine Inc 1,618,089 3,010,000 0.02%
42 ADAMAS PHARMACEUTICALS INC 172,630 3,021,000 0.02%
43 Sunesis Pharmaceuticals, Inc. 741,665 3,041,000 0.02%
44 TREVENA INC 857,206 3,146,000 0.03%
45 SYROS PHARMACEUTICALS INC 204,465 3,257,000 0.03%
46 ULTRAGENYX PHARMACEUTICAL INC COM 50,000 3,389,000 0.03%
47 RA PHARMACEUTICALS INC COM 177,952 3,789,000 0.03%
48 EPIZYME INC COM 232,481 3,987,000 0.03%
49 ZOGENIX INC 381,939 4,144,000 0.03%
50 ANAPTYSBIO INC 150,000 4,163,000 0.03%
Page 1 of 3

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001144204-17-027430, filed 2017.05.15).

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.