0001567619-18-006356.txt : 20181114
0001567619-18-006356.hdr.sgml : 20181114
20181114165342
ACCESSION NUMBER: 0001567619-18-006356
CONFORMED SUBMISSION TYPE: 13F-HR
PUBLIC DOCUMENT COUNT: 2
CONFORMED PERIOD OF REPORT: 20180930
FILED AS OF DATE: 20181114
DATE AS OF CHANGE: 20181114
EFFECTIVENESS DATE: 20181114
FILER:
COMPANY DATA:
COMPANY CONFORMED NAME: EcoR1 Capital, LLC
CENTRAL INDEX KEY: 0001587114
IRS NUMBER: 000000000
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 13F-HR
SEC ACT: 1934 Act
SEC FILE NUMBER: 028-16764
FILM NUMBER: 181184820
BUSINESS ADDRESS:
STREET 1: 409 ILLINOIS STREET
CITY: SAN FRANCISCO
STATE: CA
ZIP: 94158
BUSINESS PHONE: 415-448-6534
MAIL ADDRESS:
STREET 1: 409 ILLINOIS STREET
CITY: SAN FRANCISCO
STATE: CA
ZIP: 94158
13F-HR
1
primary_doc.xml
13F-HR
LIVE
false
true
false
0001587114
XXXXXXXX
09-30-2018
09-30-2018
EcoR1 Capital, LLC
409 ILLINOIS STREET
SAN FRANCISCO
CA
94158
13F HOLDINGS REPORT
028-16764
N
Oleg Nodelman
Manager
415-448-6534
Oleg Nodelman
SAN FRANCISCO
CA
11-08-2018
0
51
1110045
false
INFORMATION TABLE
2
form13fInfoTable.xml
ASSEMBLY BIOSCIENCES INC
COM
045396908
5500
148100
SH
Call
SOLE
148100
0
0
ASCENDIS PHARMA A S
COM
04351P901
18211
257000
SH
Call
SOLE
257000
0
0
CELGENE CORPORATION
COM
151020904
17898
200000
SH
Call
SOLE
200000
0
0
FIBROGEN INC
COM
31572Q908
21263
350000
SH
Call
SOLE
350000
0
0
GILEAD SCIENCES INC
COM
375558903
22592
292600
SH
Call
SOLE
292600
0
0
IRONWOOD PHARMACEUTICALS INC
COM
46333X908
1661
90000
SH
Call
SOLE
90000
0
0
IRONWOOD PHARMACEUTICALS INC
COM
46333X908
8816
477600
SH
Call
SOLE
477600
0
0
JOUNCE THERAPEUTICS INC
COM
481116901
3233
497400
SH
Call
SOLE
497400
0
0
NEKTAR THERAPEUTICS
COM
640268908
19812
325000
SH
Call
SOLE
325000
0
0
ULTRAGENYX PHARMACEUTICAL
COM
90400D908
24811
325000
SH
Call
SOLE
325000
0
0
ARBUTUS BIOPHARMA CORP
COM
03879J100
11641
1231800
SH
SOLE
1231800
0
0
ACHILLION PHARMACEUTICALS
COM
00448Q201
5756
1564080
SH
SOLE
1564080
0
0
AKCEA THERAPEUTICS INC
COM
00972L107
26444
755120
SH
SOLE
755120
0
0
APTINYX INC
COM
03836N103
1188
41037
SH
SOLE
41037
0
0
AQUINOX PHARMACEUTICALS INC
COM
03842B101
6639
2265880
SH
SOLE
2265880
0
0
ARVINAS INC
COM
04335A105
844
50000
SH
SOLE
50000
0
0
ASSEMBLY BIOSCIENCES INC
COM
045396108
109309
2943164
SH
SOLE
2943164
0
0
AVROBIO INC
COM
05455M100
3561
68646
SH
SOLE
68646
0
0
CHIASMA INC
COM
16706W102
1367
379753
SH
SOLE
379753
0
0
CONSTELLATION PHARMACEUTICALS INC
COM
210373106
1884
280000
SH
SOLE
280000
0
0
CRISPR THERAPEUTICS AG
COM
H17182108
22175
500000
SH
SOLE
500000
0
0
CORVUS PHARMACEUTICALS INC
COM
221015100
3015
351401
SH
SOLE
351401
0
0
DICERNA PHARMACEUTICALS INC
COM
253031108
58024
3802327
SH
SOLE
3802327
0
0
EIGER BIOPHARMACEUTICALS INC
COM
28249U105
12474
1039500
SH
SOLE
1039500
0
0
ELANCO ANIMAL HEALTH INC
COM
28414H103
6629
190000
SH
SOLE
190000
0
0
FIBROGEN INC
COM
31572Q808
122548
2017250
SH
SOLE
2017250
0
0
FORTY SEVEN INC
COM
34983P104
1477
99000
SH
SOLE
99000
0
0
IMMUNE DESIGN CORP
COM
45252L103
7735
2241900
SH
SOLE
2241900
0
0
INFINITY PHARMACEUTICALS INC
COM
45665G303
1252
462068
SH
SOLE
462068
0
0
IONIS PHARMACEUTICALS INC
COM
462222100
3731
72326
SH
SOLE
72326
0
0
IRONWOOD PHARMACEUTICALS INC
COM
46333X108
94914
5141624
SH
SOLE
5141624
0
0
KADMON HOLDINGS INC
COM
48283N106
4946
1480870
SH
SOLE
1480870
0
0
KURA ONCOLOGY INC
COM
50127T109
68302
3902975
SH
SOLE
3902975
0
0
KEZAR LIFE SCIENCES INC
COM
49372L100
27580
1288198
SH
SOLE
1288198
0
0
MACROGENICS INC
COM
556099109
31754
1481086
SH
SOLE
1481086
0
0
MAGENTA THERAPEUTICS INC
COM
55910K108
18472
1538088
SH
SOLE
1538088
0
0
MERSANA THERAPEUTICS INC
COM
59045L106
4956
495618
SH
SOLE
495618
0
0
SPARK THERAPEUTICS INC
COM
84652J103
45661
837048
SH
SOLE
837048
0
0
ONCONOVA THERAPEUTICS INC
COM
68232V405
3670
500000
SH
SOLE
500000
0
0
ULTRAGENYX PHARMACEUTICAL INC
COM
90400D108
19390
254000
SH
SOLE
254000
0
0
ARCUS BIOSCIENCES INC
COM
03969F109
31175
2236387
SH
SOLE
2236387
0
0
RUBIUS THERAPEUTICS INC
COM
78116T103
14211
592128
SH
SOLE
592128
0
0
SANGAMO THERAPEUTICS INC
COM
800677106
5818
343231
SH
SOLE
343231
0
0
SPERO THERAPEUTICS INC
COM
84833T103
9383
892741
SH
SOLE
892741
0
0
SCHOLAR ROCK HOLDING CORP
COM
80706P103
60960
2367378
SH
SOLE
2367378
0
0
SURFACE ONCOLOGY INC
COM
86877M209
14916
1363479
SH
SOLE
1363479
0
0
UNITY BIOTECHNOLOGY INC.
COM
91381U101
15754
967114
SH
SOLE
967114
0
0
WAVE LIFE SCIENCES LTD
COM
Y95308105
2242
44841
SH
SOLE
44841
0
0
ZAI LAB LTD
SPONSORED ADR
98887Q104
6818
350000
SH
SOLE
350000
0
0
ASCENDIS PHARMA A S
SPONSORED ADR
04351P101
77043
1087257
SH
SOLE
1087257
0
0
ERYTECH PHARMA
SPONSORED ADR
29604W108
590
69569
SH
SOLE
69569
0
0