RTW INVESTMENTS, LP Q4 2016 Filing

Filed February 15, 2017

Portfolio Value

$265.7B

Holdings

32

Report Date

Q4 2016

Filing Type

13F-HR

All Holdings (32 positions)

#StockSharesValue% PortfolioType
1
Avexis Inc
849,043$40.5B15.25%
2
BMYBristol Myers Squibb Co
565,888$33.1B12.45%
3
ALNYAlnylam Pharmaceuticals Inc
789,208$29.5B11.12%
4
BCRXBiocryst Pharmaceuticals
4,078,895$25.8B9.72%
5
La Jolla Pharmaceutical Co
1,086,037$19.0B7.17%
6
AGENEURAgenus Inc
4,210,264$17.3B6.53%
7
Medicines Co
374,263$12.7B4.78%
8
PTCTPTC Therapeutics Inc
997,166$10.9B4.10%
9
INCYIncyte Corp
86,757$8.7B3.27%
10
Oxford Immunotec Global PLC
543,287$8.1B3.06%
11
USOUnited States Oil Fund LP
675,000$7.9B2.98%
12
bluebird bio Inc
122,576$7.6B2.85%
13
Dicerna Pharmaceuticals Inc
2,043,216$5.9B2.21%
14
3M4Masimo Corp
80,900$5.5B2.05%
15
ATRAGBXAtara Biotherapeutics Inc
372,624$5.3B1.99%
16
Corium Intl Inc
1,101,045$4.5B1.68%
17
RGNXRegenxbio Inc
239,789$4.4B1.67%
18
Viveve Med Inc
839,666$4.3B1.63%
19
TCMDTactile Sys Technology Inc
248,762$4.1B1.54%
20
Invuity Inc
454,900$2.6B0.98%
21
OMEROmeros Corp
259,039$2.6B0.97%
22
Achillion Pharmaceuticals In
286,285$1.2B0.44%
23
Celldex Therapeutics Inc New
239,662$848.0M0.32%
24
SRTSSensus Heatlhcare Inc
122,803$645.0M0.24%
25
MRTXEURMirati Therapeutics Inc
129,697$616.0M0.23%
26
Biopharmx Corp
1,273,128$476.0M0.18%
27
GBTUSDGlobal Blood Therapeutics In
25,963$375.0M0.14%
28
NTRANatera Inc
31,693$371.0M0.14%
29
Audentes Therapeutics Inc
20,000$365.0M0.14%
30
Mannkind Corp
438,500$279.0M0.11%Put
31
Sensus Heatlhcare Inc
155,000$78.0M0.03%
32
Nivalis Therapeutics Inc
30,000$67.0M0.03%