RTW INVESTMENTS, LP Q4 2017 Filing

Filed February 14, 2018

Portfolio Value

$593.1B

Holdings

32

Report Date

Q4 2017

Filing Type

13F-HR

All Holdings (32 positions)

#StockSharesValue% PortfolioType
1
PTCTPTC Therapeutics Inc
4,130,115$68.9B11.62%
2
RGNXRegenxbio Inc
1,561,210$51.9B8.75%
3
BMYBristol-Myers Squibb Co
839,452$51.4B8.67%
4
ALNYAlnylam Pharmaceuticals Inc
358,774$45.6B7.69%
5
Dicerna Pharmaceuticals Inc
5,035,662$44.1B7.44%
6
Achillion Pharmaceuticals Inc
13,546,902$39.0B6.58%
7
La Jolla Pharmaceutical Co
1,063,170$34.2B5.77%
8
Avexis Inc
281,242$31.1B5.25%
9
I9DNArbutus Biopharma Corp
5,151,615$26.0B4.39%
10
GBTUSDGlobal Blood Therapeutics Inc
601,683$23.7B3.99%
11
EP3OraSure Technologies Inc
878,452$16.6B2.79%
12
BCRXBioCryst Pharmaceuticals Inc
3,372,674$16.6B2.79%
13
Corium International Inc
1,699,653$16.3B2.75%
14
AGENEURAgenus Inc
4,329,816$14.1B2.38%
15
EWEdwards Lifesciences Corp
123,000$13.9B2.34%
16
VRAYQViewray Inc
1,348,210$12.5B2.11%
17
Myokardia Inc
257,663$10.8B1.83%
18
3M4Masimo Corp
120,900$10.3B1.73%
19
ATRAGBXAtara Biotherapeutics Inc
556,118$10.1B1.70%
20
Proteostasis Therapeutics Inc
1,500,000$8.7B1.47%
21
Viveve Medical Inc
1,672,998$8.3B1.40%
22
QUREUniqure NV
403,524$7.9B1.33%
23
VCELVericel Corp
1,304,801$7.1B1.20%
24
TCMDTactile Systems Technology Inc
210,366$6.1B1.03%
25
Oxford Immunotec Global PLC
375,792$5.3B0.89%
26
Bovie Medical Corp
1,752,611$4.6B0.77%
27
Zynerba Pharmaceuticals Inc
202,859$2.5B0.43%
28
Five Prime Therapeutics Inc
100,377$2.2B0.37%
29
ARGXargenx NV
25,260$1.6B0.27%
30
RVNCEURRevance Therapeutics Inc
23,038$824.0M0.14%
31
Odonate Therapeutics Inc
29,007$725.0M0.12%
32
SENSUS HEATLHCARE INC
151,400$98.0M0.02%