0001140361-17-042799.txt : 20171114
0001140361-17-042799.hdr.sgml : 20171114
20171114162529
ACCESSION NUMBER: 0001140361-17-042799
CONFORMED SUBMISSION TYPE: 13F-HR
PUBLIC DOCUMENT COUNT: 2
CONFORMED PERIOD OF REPORT: 20170930
FILED AS OF DATE: 20171114
DATE AS OF CHANGE: 20171114
EFFECTIVENESS DATE: 20171114
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: 171201949
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
09-30-2017
09-30-2017
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
11-13-2017
0
40
750316
false
INFORMATION TABLE
2
form13fInfoTable.xml
IRONWOOD PHARMACEUTICALS INC
COM
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500000
SH
Call
SOLE
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0
IRONWOOD PHARMACEUTICALS INC
COM
46333X908
1892
120000
SH
Call
SOLE
120000
0
0
VERTEX PHARMACEUTICALS INC
COM
92532F900
10278
67600
SH
Call
SOLE
67600
0
0
ASCENDIS PHARMA A S
SPONSORED ADR
04351P101
76401
2107600
SH
SOLE
2107600
0
0
BEIGENE LTD SPONSORED ADR
SPONSORED ADR
07725L102
1009
9800
SH
SOLE
9800
0
0
GALAPAGOS NV SPON ADR
SPONSORED ADR
36315X101
24499
240776
SH
SOLE
240776
0
0
ZAI LAB LIMITED
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98887Q104
4307
159535
SH
SOLE
159535
0
0
ACLARIS THERAPEUTICS INC
COM
00461U105
1549
60000
SH
SOLE
60000
0
0
ADVERUM BIOTECHNOLOGIES INC
COM
00773U108
2785
762947
SH
SOLE
762947
0
0
ARRAY BIOPHARMA INC
COM
04269X105
15375
1250000
SH
SOLE
1250000
0
0
ASSEMBLY BIOSCIENCES INC
COM
045396108
102775
2943164
SH
SOLE
2943164
0
0
ATYR PHARMA INC
COM
002120103
19871
3934849
SH
SOLE
3934849
0
0
BRISTOL MYERS SQUIBB CO
COM
110122108
1087
17060
SH
SOLE
17060
0
0
CASCADIAN THERAPEUTICS INC
COM
14740B606
12270
3000000
SH
SOLE
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CLEMENTIA PHARMACEUTICALS INC
COM
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3279
194166
SH
SOLE
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CLOVIS ONCOLOGY INC
COM
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2123
25765
SH
SOLE
25765
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CORVUS PHARMACEUTICALS INC
COM
221015100
14482
908525
SH
SOLE
908525
0
0
CYTOMX THERAPEUTICS INC
COM
23284F105
15077
829771
SH
SOLE
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DECIPHERA PHARMACEUTICALS INC
COM
24344T101
855
45000
SH
SOLE
45000
0
0
DICERNA PHARMACEUTICALS INC
COM
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SH
SOLE
957992
0
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FATE THERAPEUTICS INC
COM
31189P102
8960
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SH
SOLE
2262678
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FIBROGEN INC
COM
31572Q808
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SH
SOLE
1735677
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IMMUNOMEDICS INC
COM
452907108
39983
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SH
SOLE
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INSMED INC
COM
457669307
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405400
SH
SOLE
405400
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INTEC PHARMA LTD JERUSALEM
COM
M53644106
13425
1500000
SH
SOLE
1500000
0
0
IRONWOOD PHARMACEUTICALS INC
COM
46333X108
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SH
SOLE
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0
0
KINDRED BIOSCIENCES INC
COM
494577109
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544880
SH
SOLE
544880
0
0
KURA ONCOLOGY INC COM
COM
50127T109
56314
3766852
SH
SOLE
3766852
0
0
MARINUS PHARMACEUTICALS INC
COM
56854Q101
21263
3622271
SH
SOLE
3622271
0
0
MYOKARDIA INC
COM
62857M105
29566
689986
SH
SOLE
689986
0
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OMEROS CORP
COM
682143102
9729
450000
SH
SOLE
450000
0
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OVASCIENCE INC
COM
69014Q101
4988
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SH
SOLE
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REGULUS THERAPEUTICS INC
COM
75915K101
6549
5239225
SH
SOLE
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0
SANGAMO BIOSCIENCES INC
COM
800677106
3336
222388
SH
SOLE
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0
0
SEATTLE GENETICS INC
COM
812578102
1632
30000
SH
SOLE
30000
0
0
SPRING BK PHARMACEUTICALS INC
COM
849431101
269
16000
SH
SOLE
16000
0
0
SYROS PHARMACEUTICALS INC
COM
87184Q107
1531
104000
SH
SOLE
104000
0
0
TOCAGEN INC
COM
888846102
18720
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SH
SOLE
1502373
0
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WAVE LIFE SCIENCES LTD
COM
Y95308105
12272
564248
SH
SOLE
564248
0
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XENCOR INC
COM
98401F105
2065
90114
SH
SOLE
90114
0
0