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RA Capital Management 13F holdings, Q3 2013

Holdings as of September 30, 2013 · filings on SEC EDGAR · latest filing →

RA Capital Management disclosed 31 US equity positions worth $724.5m in its Q3 2013 13F filing. The largest position was DYAX CORP at 9.9% of the reported book, followed by NVAX and ACAD. Against the Q2 2013 filing, it opened 10 new positions, added to 7 and reduced 8 among the top 31 holdings.

← Q2 2013 · Q4 2013 →

What did RA Capital Management own in Q3 2013? Top 31 positions

#StockSectorWeightValueSharesΔ sharesvs Q2 2013
1 DYAX CORP 9.9%$71.5m10,418,379 -4% reduced
2 NVAX NOVAVAX INC Healthcare 9.0%$65.5m20,800,000 21% added
3 ACAD ACADIA PHARMACEUTICALS INC Healthcare 7.7%$55.9m2,035,510 -69% reduced
4 TXMD THERAPEUTICSMD INC 6.7%$48.4m16,528,641 47% added
5 INSM INSMED INC Healthcare 6.4%$46.6m2,983,319 23% added
6 SGMOQ SANGAMO BIOSCIENCES INC Healthcare 6.2%$44.7m4,258,244 -21% reduced
7 ACHILLION PHARMACEUTICALS IN 6.0%$43.7m14,457,061 94% added
8 BCRX BIOCRYST PHARMACEUTICALS Healthcare 5.9%$42.5m5,844,700 new
9 NEWLINK GENETICS CORP 4.8%$34.6m1,840,294 0% held
10 PROTHENA CORP PLC 4.6%$33.3m1,646,399 231% added
11 XOMA CORP DEL 4.3%$31.1m6,915,525 3% added
12 DERMA SCIENCES INC 3.4%$24.7m1,994,876 0% held
13 SUNESIS PHARMACEUTICALS INC 3.3%$24.2m4,869,261 3% added
14 KERYX BIOPHARMACEUTICALS INC 3.3%$24.1m2,391,261 -58% reduced
15 HYPERION THERAPEUTICS INC 3.3%$23.6m902,858 0% held
16 CHEMOCENTRYX INC 2.3%$16.9m3,045,380 new
17 BLUEBIRD BIO INC 1.7%$12.6m467,418 new
18 MYGN MYRIAD GENETICS INC Healthcare 1.5%$10.6m450,000 new
19 OMER OMEROS CORP 1.4%$10.3m1,055,311 -64% reduced
20 AMPIO PHARMACEUTICALS INC 1.4%$9.9m1,325,566 new
21 ENZB ENZO BIOCHEM INC 1.2%$8.4m3,348,029 0% held
22 MIRATI THERAPEUTICS INC 1.2%$8.4m551,723 new
23 DYNAVAX TECHNOLOGIES CORP 1.0%$7.1m6,000,000 0% held
24 ONCOGENEX PHARMACEUTICALS IN 1.0%$7.1m763,332 -12% reduced
25 PTCT PTC THERAPEUTICS INC Healthcare 0.9%$6.4m300,000 new
26 ARROWHEAD RESH CORP 0.7%$5.0m879,561 -72% reduced
27 TGTX TG THERAPEUTICS INC Healthcare 0.4%$3.0m600,000 new
28 AGIO AGIOS PHARMACEUTICALS INC Healthcare 0.3%$2.0m70,000 new
29 OCERA THERAPEUTICS INC 0.3%$1.8m215,999 new
30 EPIZYME INC 0.1%$400.0k10,000 -93% reduced
31 SAVIENT PHARMACEUTICALS INC 0.0%$193.0k1,000,000 0% held

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.