0000909012-15-000277.txt : 20150814
0000909012-15-000277.hdr.sgml : 20150814
20150814100653
ACCESSION NUMBER: 0000909012-15-000277
CONFORMED SUBMISSION TYPE: 13F-HR
PUBLIC DOCUMENT COUNT: 2
CONFORMED PERIOD OF REPORT: 20150630
FILED AS OF DATE: 20150814
DATE AS OF CHANGE: 20150814
EFFECTIVENESS DATE: 20150814
FILER:
COMPANY DATA:
COMPANY CONFORMED NAME: RTW INVESTMENTS, LLC
CENTRAL INDEX KEY: 0001493215
IRS NUMBER: 000000000
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 13F-HR
SEC ACT: 1934 Act
SEC FILE NUMBER: 028-16670
FILM NUMBER: 151053125
BUSINESS ADDRESS:
STREET 1: 250 WEST 55TH STREET
STREET 2: 16TH FLOOR, SUITE A
CITY: NEW YORK
STATE: NY
ZIP: 10019
BUSINESS PHONE: 646-597-6980
MAIL ADDRESS:
STREET 1: 250 WEST 55TH STREET
STREET 2: 16TH FLOOR, SUITE A
CITY: NEW YORK
STATE: NY
ZIP: 10019
13F-HR
1
primary_doc.xml
13F-HR
LIVE
false
false
false
0001493215
XXXXXXXX
06-30-2015
06-30-2015
RTW INVESTMENTS, LLC
250 WEST 55TH STREET
16TH FLOOR, SUITE A
NEW YORK
NY
10019
13F HOLDINGS REPORT
028-16670
N
Roderick Wong
Managing Member
646 597 6980
/s/ RODERICK WONG
New York
NY
08-10-2015
1
35
343536
false
1
0001493219
RTW MASTER FUND, LTD.
INFORMATION TABLE
2
aci_13f.xml
La Jolla Pharmaceutical Company Cmn Di
COM
0
19131
780547
SH
SOLE
0
780547
0
0
Achillion Pharmaceuticals Inc
COM
00448Q201
22287
2515433
SH
SOLE
0
2515433
0
0
Agenus Inc
COM
00847G705
17717
2052915
SH
SOLE
0
2052915
0
0
Berkshire Hathaway Inc
COM
084670702
7
50
SH
SOLE
0
50
0
0
bluebird bio Inc
COM
09609G100
17679
105000
SH
SOLE
0
105000
0
0
Celldex Therapeutics Inc
COM
15117B103
11893
471554
SH
SOLE
0
471554
0
0
CytRx Corp
COM
232828509
1662
446714
SH
SOLE
0
446714
0
0
Dicerna Pharmaceuticals Inc
COM
253031108
17854
1279886
SH
SOLE
0
1279886
0
0
Five Prime Therapeutics Inc
COM
33830X104
13921
560437
SH
SOLE
0
560437
0
0
Fortress Biotech Inc
COM
34960Q109
40
11917
SH
SOLE
0
11917
0
0
Incyte Corp
COM
45337C102
20321
195000
SH
SOLE
0
195000
0
0
Kite Pharma Inc
COM
49803L109
24388
400000
SH
SOLE
0
400000
0
0
NewLink Genetics Corp
COM
651511107
4427
100000
SH
SOLE
0
100000
0
0
Targacept Inc
COM
87611R306
7437
2665643
SH
SOLE
0
2665643
0
0
Meridian Bioscience Inc. VIVO 10/16/2015 CALL 20
LONG OPTION CALLS
589584901
260
3756
PRN
Call
SOLE
0
3756
0
0
Alnylam Pharmaceuticals Inc
COM
02043Q107
49268
411016
SH
SOLE
0
411016
0
0
Arrowhead Research Corp
COM
042797209
18304
2560000
SH
SOLE
0
2560000
0
0
BioCryst Pharmaceuticals Inc
COM
09058V103
33762
2261361
SH
SOLE
0
2261361
0
0
Bristol Myers Squibb Co 01/15/2016 CALL 60
LONG OPTION CALLS
110122908
6113
7500
PRN
Call
SOLE
0
7500
0
0
Bristol-Myers Squibb Co
COM
110122108
6485
97454
SH
SOLE
0
97454
0
0
Corium International Inc
COM
21887L107
4860
355007
SH
SOLE
0
355007
0
0
Dyax Corp
COM
26746E103
14817
559141
SH
SOLE
0
559141
0
0
iShares 20+ Year Treasury Bond ETF
COM
464287432
3876
33000
SH
SOLE
0
33000
0
0
La Jolla Pharmaceutical Co
COM
503459604
6953
283700
SH
SOLE
0
283700
0
0
Lipocine Inc
COM
53630X104
1796
209333
SH
SOLE
0
209333
0
0
Repros Therapeutics Inc
COM
76028H209
1640
229364
SH
SOLE
0
229364
0
0
Symmetry Surgical Inc
COM
87159G100
6111
700851
SH
SOLE
0
700851
0
0
United States Oil ETF
COM
91232N108
3280
165000
SH
SOLE
0
165000
0
0
Valeant Pharmaceuticals Intl VRX 10/16/2015 CALL 260
LONG OPTION CALLS
91911K902
78
150
PRN
Call
SOLE
0
150
0
0
Zogenix Inc
COM
98978L204
192
114128
SH
SOLE
0
114128
0
0
Adaptimmune Therapeutics-adr
COM
00653A107
367
20000
SH
SOLE
0
20000
0
0
Biopharmx Corp
COM
09072X101
949
370636
SH
SOLE
0
370636
0
0
Invuity Inc
COM
46187J205
2330
165000
SH
SOLE
0
165000
0
0
Nivalis Therapeutics Inc
COM
65481J109
455
30000
SH
SOLE
0
30000
0
0
Presbia Plc
COM
G7234P100
2877
350000
SH
SOLE
0
350000
0
0