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RA Capital Management 13F holdings, Q2 2015

Holdings as of June 30, 2015 · filings on SEC EDGAR · latest filing →

RA Capital Management disclosed 58 US equity positions worth $927.6m in its Q2 2015 13F filing. The largest position was AXOVANT SCIENCES LTD at 11.0% of the reported book, followed by ACHILLION PHARMACEUTICALS INC and DYAX CORP. Against the Q1 2015 filing, it opened 14 new positions, added to 6 and reduced 11 among the top 50 holdings.

← Q1 2015 · Q3 2015 →

What did RA Capital Management own in Q2 2015? Top 50 positions

#StockSectorWeightValueSharesΔ sharesvs Q1 2015
1 AXOVANT SCIENCES LTD 11.0%$101.9m5,000,000 new
2 ACHILLION PHARMACEUTICALS INC 9.5%$88.1m9,945,997 21% added
3 DYAX CORP 7.7%$71.6m2,703,093 -36% reduced
4 TGTX TG THERAPEUTICS INC Healthcare 5.9%$54.8m3,302,213 6% added
5 REGULUS THERAPEUTICS INC 4.5%$41.5m3,790,476 6% added
6 CHRS COHERUS BIOSCIENCES INC Healthcare 4.3%$39.9m1,380,320 -11% reduced
7 BCRX BIOCRYST PHARMACEUTICALS Healthcare 4.2%$38.9m2,605,361 -62% reduced
8 DICERNA PHARMACEUTICALS INC 3.7%$33.9m2,428,571 0% held
9 ASND ASCENDIS PHARMA A S Healthcare 3.6%$33.8m1,913,153 87% added
10 COLL COLLEGIUM PHARMACEUTICAL INC Healthcare 3.0%$27.6m1,545,410 new
11 ARDX ARDELYX INC Healthcare 3.0%$27.5m1,719,945 new
12 PROTEON THERAPEUTICS INC 2.9%$26.9m1,506,872 21% added
13 XNCR XENCOR INC Healthcare 2.5%$23.6m1,075,410 -50% reduced
14 2655787D BLUEPRINT MEDICINES CORP 2.5%$23.3m878,348 new
15 BELLICUM PHARMACEUTICALS INC 2.4%$21.8m1,026,402 0% held
16 MEDICINES CO 2.2%$20.2m705,925 new
17 BLUEBIRD BIO INC 2.0%$18.4m109,383 -45% reduced
18 DVAX DYNAVAX TECHNOLOGIES CORP 1.9%$17.9m766,000 -71% reduced
19 CIDARA THERAPEUTICS INC 1.7%$16.0m1,141,333 new
20 NVAX NOVAVAX INC Healthcare 1.7%$15.9m1,431,232 0% held
21 JUNO THERAPEUTICS INC 1.6%$14.9m280,000 0% held
22 AGEN AGENUS INC Healthcare 1.5%$13.8m1,600,000 new
23 SGMOQ SANGAMO BIOSCIENCES INC Healthcare 1.5%$13.5m1,220,209 0% held
24 OMER OMEROS CORP 1.5%$13.5m749,000 0% held
25 TXMD THERAPEUTICSMD INC 1.4%$13.2m1,680,395 0% held
26 AGILE THERAPEUTICS INC 1.4%$12.5m1,458,792 0% held
27 NIVALIS THERAPEUTICS INC 1.2%$11.5m757,263 new
28 MCRB SERES THERAPEUTICS INC Healthcare 1.1%$10.2m246,645 new
29 ALCOBRA LTD 1.1%$10.0m1,525,894 new
30 CONCERT PHARMACEUTICALS INC 1.1%$10.0m668,406 1% added
31 TENX TENAX THERAPEUTICS INC 1.1%$9.9m2,670,300 0% held
32 SUCAMPO PHARMACEUTICALS INC 0.8%$7.4m450,000 0% held
33 ARCA BIOPHARMA INC 0.7%$6.5m5,678,592 new
34 AURIS MED HLDG AG 0.5%$4.6m940,000 0% held
35 AUPH AURINIA PHARMACEUTICALS INC Healthcare 0.4%$3.5m1,142,676 -24% reduced
36 TREVENA INC 0.4%$3.3m528,118 -60% reduced
37 T2 BIOSYSTEMS INC 0.2%$2.2m138,002 0% held
38 VICAL INC 0.2%$1.8m2,606,978 -63% reduced
39 BIOTA PHARMACEUTIALS INC 0.2%$1.7m807,855 -42% reduced
40 MERRIMACK PHARMACEUTICALS IN 0.2%$1.4m116,400 0% held
41 T8S TESARO INC 0.1%$1.4m23,500 0% held
42 NEWLINK GENETICS CORP 0.1%$1.3m30,000 0% held
43 REGN REGENERON PHARMACEUTICALS Healthcare 0.1%$1.2m2,450 0% held
44 PTCT PTC THERAPEUTICS INC Healthcare 0.1%$1.2m25,800 0% held
45 ALKS ALKERMES PLC Healthcare 0.1%$1.2m19,200 0% held
46 NBIX NEUROCRINE BIOSCIENCES INC Healthcare 0.1%$1.2m24,400 new
47 CLOVIS ONCOLOGY INC 0.1%$1.2m13,200 new
48 ACAD ACADIA PHARMACEUTICALS INC Healthcare 0.1%$1.1m27,300 0% held
49 INCY INCYTE CORP Healthcare 0.1%$1.1m10,700 new
50 AGIO AGIOS PHARMACEUTICALS INC Healthcare 0.1%$1.1m9,900 -44% reduced

Weights are shares of the reported long US equity book (options excluded). Values are as filed, normalised to whole dollars. Share changes compare against the immediately preceding filing only.