RA Capital Management 13F holdings, Q1 2015
Holdings as of March 31, 2015 · filings on SEC EDGAR · latest filing →
RA Capital Management disclosed 56 US equity positions worth $912.9m in its Q1 2015 13F filing. The largest position was ACHILLION PHARMACEUTICALS INC at 8.9% of the reported book, followed by DYAX CORP and BCRX. Against the Q4 2014 filing, it opened 12 new positions, added to 4 and reduced 12 among the top 50 holdings.
What did RA Capital Management own in Q1 2015? Top 50 positions
| # | Stock | Sector | Weight | Value | Shares | Δ shares | vs Q4 2014 |
|---|---|---|---|---|---|---|---|
| 1 | ACHILLION PHARMACEUTICALS INC | 8.9% | $80.9m | 8,207,530 | 23% | added | |
| 2 | DYAX CORP | 7.7% | $70.5m | 4,207,594 | -15% | reduced | |
| 3 | BCRX BIOCRYST PHARMACEUTICALS | Healthcare | 6.9% | $62.5m | 6,926,617 | -2% | reduced |
| 4 | REGULUS THERAPEUTICS INC | 6.7% | $60.8m | 3,590,688 | -24% | reduced | |
| 5 | DICERNA PHARMACEUTICALS INC | 6.4% | $58.4m | 2,428,571 | 0% | held | |
| 6 | DVAX DYNAVAX TECHNOLOGIES CORP | 6.4% | $58.3m | 2,600,000 | – | new | |
| 7 | TGTX TG THERAPEUTICS INC | Healthcare | 5.3% | $48.4m | 3,125,149 | -7% | reduced |
| 8 | CHRS COHERUS BIOSCIENCES INC | Healthcare | 5.2% | $47.6m | 1,555,355 | 0% | held |
| 9 | TEKMIRA PHARMACEUTICALS CORP | 5.2% | $47.4m | 2,714,800 | – | new | |
| 10 | XNCR XENCOR INC | Healthcare | 3.6% | $32.9m | 2,149,423 | 54% | added |
| 11 | ZAFGEN INC | 3.2% | $29.0m | 732,960 | 0% | held | |
| 12 | BLUEBIRD BIO INC | 2.7% | $24.2m | 200,379 | -60% | reduced | |
| 13 | BELLICUM PHARMACEUTICALS INC | 2.6% | $23.8m | 1,026,402 | 0% | held | |
| 14 | ZS PHARMA INC | 2.6% | $23.8m | 564,483 | 0% | held | |
| 15 | SGMOQ SANGAMO BIOSCIENCES INC | Healthcare | 2.1% | $19.1m | 1,220,209 | 0% | held |
| 16 | ASND ASCENDIS PHARMA A S | Healthcare | 1.9% | $17.8m | 1,023,652 | – | new |
| 17 | JUNO THERAPEUTICS INC | 1.9% | $17.0m | 280,000 | 0% | held | |
| 18 | OMER OMEROS CORP | 1.8% | $16.5m | 749,000 | – | new | |
| 19 | PROTEON THERAPEUTICS INC | 1.6% | $14.5m | 1,250,000 | 0% | held | |
| 20 | AGILE THERAPEUTICS INC | 1.5% | $13.5m | 1,458,792 | – | new | |
| 21 | NVAX NOVAVAX INC | Healthcare | 1.3% | $11.8m | 1,431,232 | -56% | reduced |
| 22 | TXMD THERAPEUTICSMD INC | 1.1% | $10.2m | 1,680,395 | -48% | reduced | |
| 23 | ARRAY BIOPHARMA INC | 1.1% | $10.0m | 1,357,584 | – | new | |
| 24 | CONCERT PHARMACEUTICALS INC | 1.1% | $10.0m | 660,000 | – | new | |
| 25 | OREXIGEN THERAPEUTICS INC | 1.0% | $9.3m | 1,186,229 | – | new | |
| 26 | TENX TENAX THERAPEUTICS INC | 1.0% | $8.7m | 2,670,300 | 0% | held | |
| 27 | TREVENA INC | 0.9% | $8.6m | 1,325,407 | -55% | reduced | |
| 28 | SUCAMPO PHARMACEUTICALS INC | 0.8% | $7.0m | 450,000 | – | new | |
| 29 | AKBA AKEBIA THERAPEUTICS INC | Healthcare | 0.7% | $6.6m | 597,363 | 0% | held |
| 30 | VICAL INC | 0.7% | $6.6m | 7,024,274 | 13% | added | |
| 31 | AUPH AURINIA PHARMACEUTICALS INC | Healthcare | 0.7% | $6.6m | 1,504,776 | -39% | reduced |
| 32 | SCYX SCYNEXIS INC | 0.7% | $6.5m | 789,097 | -6% | reduced | |
| 33 | AURIS MED HLDG AG | 0.6% | $5.0m | 940,000 | 0% | held | |
| 34 | VERSARTIS INC | 0.5% | $4.2m | 231,267 | 0% | held | |
| 35 | TROVAGENE INC | 0.4% | $4.0m | 594,200 | – | new | |
| 36 | BIOTA PHARMACEUTIALS INC | 0.4% | $3.2m | 1,403,853 | 2% | added | |
| 37 | ROCKWELL MED INC | 0.3% | $2.7m | 250,207 | -65% | reduced | |
| 38 | T2 BIOSYSTEMS INC | 0.2% | $2.1m | 138,002 | 0% | held | |
| 39 | OCERA THERAPEUTICS INC | 0.2% | $2.0m | 417,476 | 0% | held | |
| 40 | ONCOTHYREON INC | 0.2% | $1.9m | 1,165,765 | – | new | |
| 41 | AGIO AGIOS PHARMACEUTICALS INC | Healthcare | 0.2% | $1.7m | 17,600 | 0% | held |
| 42 | NEWLINK GENETICS CORP | 0.2% | $1.6m | 30,000 | 0% | held | |
| 43 | PTCT PTC THERAPEUTICS INC | Healthcare | 0.2% | $1.6m | 25,800 | 0% | held |
| 44 | MERRIMACK PHARMACEUTICALS IN | 0.2% | $1.4m | 116,400 | 0% | held | |
| 45 | RGEN REPLIGEN CORP | Healthcare | 0.1% | $1.4m | 45,000 | 0% | held |
| 46 | T8S TESARO INC | 0.1% | $1.3m | 23,500 | – | new | |
| 47 | ALKS ALKERMES PLC | Healthcare | 0.1% | $1.2m | 19,200 | 0% | held |
| 48 | WAFERGEN BIO-SYSTEMS INC | 0.1% | $1.2m | 255,400 | -54% | reduced | |
| 49 | REGN REGENERON PHARMACEUTICALS | Healthcare | 0.1% | $1.1m | 2,450 | 0% | held |
| 50 | BIIB BIOGEN INC | Healthcare | 0.1% | $1.1m | 2,600 | 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.