RA CAPITAL MANAGEMENT, L.P. Q1 2016 Filing

Filed May 16, 2016

Portfolio Value

$782.3B

Holdings

42

Report Date

Q1 2016

Filing Type

13F-HR

All Holdings (42 positions)

#StockSharesValue% PortfolioType
1
WVEWAVE LIFE SCIENCES LTD
7,088,651$98.4B12.58%
2
ACHILLION PHARMACEUTICALS INC
12,033,220$92.9B11.87%
3
AXOVANT SCIENCES LTD
5,000,000$57.4B7.34%
4
ACRSACLARIS THERAPEUTICS INC
2,627,719$49.8B6.36%
5
NKTREURNEKTAR THERAPEUTICS
3,178,854$43.7B5.59%
6
ASNDASCENDIS PHARMA A S
2,161,366$40.1B5.12%
7
TGTXTG THERAPEUTICS INC
4,531,714$38.6B4.94%
8
AVEXIS INC
1,361,582$37.1B4.74%
9
CHRSCOHERUS BIOSCIENCES INC
1,272,048$27.0B3.45%
10
ZOGENIX INC
2,451,237$22.6B2.90%
11
ARENA PHARMACEUTICAL S INC
9,364,105$18.4B2.36%
12
ARDXARDELYX INC
2,300,481$17.9B2.28%
13
AIMMUNE THERAPEUTICS INC
1,292,940$17.5B2.24%
14
CELATOR PHARMACEUTICALS INC
1,414,114$15.6B1.99%
15
AQUINOX PHARMACEUTICALS INC
1,691,977$14.9B1.91%
16
CIDARA THERAPEUTICS INC
1,174,219$14.9B1.91%
17
GBYSANGAMO BIOSCIENCES INC
2,212,036$13.4B1.71%
18
ACORDA THERAPEUTICS INC
498,159$13.2B1.68%
19
DICERNA PHARMACEUTICALS INC
2,428,571$13.0B1.66%
20
PROTEON THERAPEUTICS INC
1,626,931$12.6B1.61%
21
STRONGBRIDGE BIOPHARMA PLC
2,690,702$12.3B1.57%
22
DIMENSION THERAPEUTICS INC
1,548,033$12.1B1.55%
23
ALCOBRA LTD
3,032,911$11.5B1.47%
24
VITAE PHARMACEUTICALS INC
1,575,000$10.4B1.33%
25
COLLCOLLEGIUM PHARMACEUTICAL INC
486,557$8.8B1.13%
26
BCRXBIOCRYST PHARMACEUTICALS
2,989,795$8.5B1.08%
27
NTRANATERA INC
783,520$7.5B0.95%
28
REGULUS THERAPEUTICS INC
1,045,119$7.2B0.93%
29
AGILE THERAPEUTICS INC
1,064,217$6.6B0.84%
30
ONCBEIGENE LTD
170,000$5.0B0.64%
31
TENAX THERAPEUTICS INC
2,389,700$4.9B0.63%
32
CLDNEUREIGER BIOPHARMACEUTICALS INC
291,700$4.9B0.63%
33
ZYNERBA PHARMACEUTICALS INC
507,191$4.8B0.61%
34
PRONAI THERAPEUTICS INC
604,982$4.1B0.52%
35
APPLIED GENETIC TECHNOL CORP
236,059$3.3B0.42%
36
ARCA BIOPHARMA INC
778,211$2.7B0.35%
37
AKARI THERAPEUTICS PLC
257,721$2.6B0.33%
38
NIVALIS THERAPEUTICS INC
612,863$2.6B0.33%
39
NEURODERM LTD
144,671$2.0B0.26%
40
2L9BLUEPRINT MEDICINES CORP
56,442$1.0B0.13%
41
DERMA SCIENCES INC
81,239$252.0M0.03%
42
AMPLIPHI BIOSCIENCES CORP
53,600$211.0M0.03%