RTW INVESTMENTS, LP Q1 2017 Filing

Filed May 15, 2017

Portfolio Value

$379.9B

Holdings

28

Report Date

Q1 2017

Filing Type

13F-HR

All Holdings (28 positions)

#StockSharesValue% PortfolioType
1
ALNYAlnylam Pharmaceuticals Inc
1,092,516$56.0B14.74%
2
Avexis Inc
623,330$47.4B12.47%
3
BMYBristol-Myers Squibb Co
570,692$31.0B8.17%
4
La Jolla Pharmaceutical Co
1,028,929$30.7B8.08%
5
BCRXBioCryst Pharmaceuticals Inc
3,458,120$29.0B7.65%
6
Medicines Co
572,689$28.0B7.37%
7
RGNXRegenxbio Inc
1,216,505$23.5B6.18%
8
ATRAGBXAtara Biotherapeutics Inc
908,733$18.7B4.92%
9
AGENEURAgenus Inc
4,245,882$16.0B4.21%
10
PTCTPTC Therapeutics Inc
1,305,643$12.8B3.38%
11
INCYIncyte Corp
82,490$11.0B2.90%
12
Oxford Immunotec Global PLC
612,903$9.5B2.50%
13
bluebird bio Inc
103,617$9.4B2.48%
14
3M4Masimo Corp
80,900$7.5B1.99%
15
EP3OraSure Technologies Inc
566,230$7.3B1.93%
16
Viveve Medical Inc
1,145,736$7.3B1.91%
17
Dicerna Pharmaceuticals Inc
2,062,991$7.0B1.85%
18
Corium International Inc
1,448,991$6.1B1.59%
19
TCMDTactile Systems Technology Inc
287,876$5.5B1.44%
20
I9DNArbutus Biopharma Corp
1,446,587$4.7B1.24%
21
VRAYQViewray Inc
515,612$4.4B1.16%
22
Invuity Inc
470,167$3.7B0.98%
23
GBTUSDGlobal Blood Therapeutics Inc
26,183$965.0M0.25%
24
Celldex Therapeutics Inc
241,699$873.0M0.23%
25
Biopharmx Corp
1,283,951$648.0M0.17%
26
SRTSSensus Healthcare Inc
90,404$397.0M0.10%
27
NTRANatera Inc
31,693$281.0M0.07%
28
Sensus Heatlhcare Inc
155,000$136.0M0.04%