RA Capital Management 13F holdings, Q1 2008
Holdings as of March 31, 2008 · filings on SEC EDGAR · latest filing →
RA Capital Management disclosed 17 US equity positions worth $134.5m in its Q1 2008 13F filing. The largest position was VRTX at 12.5% of the reported book, followed by ONYX PHARMACEUTICALS INC and NBIX. Against the Q4 2007 filing, it opened 5 new positions, added to 7 and reduced 2 among the top 17 holdings.
What did RA Capital Management own in Q1 2008? Top 17 positions
| # | Stock | Sector | Weight | Value | Shares | Δ shares | vs Q4 2007 |
|---|---|---|---|---|---|---|---|
| 1 | VRTX VERTEX PHARMACEUTICALS INC | Healthcare | 12.5% | $16.9m | 705,744 | – | new |
| 2 | ONYX PHARMACEUTICALS INC | 12.3% | $16.5m | 570,000 | – | new | |
| 3 | NBIX NEUROCRINE BIOSCIENCES INC | Healthcare | 9.8% | $13.2m | 2,442,000 | 2% | added |
| 4 | MIDDLEBROOK PHARMACEUTICAL I | 9.6% | $12.9m | 3,214,650 | – | new | |
| 5 | QUESTCOR PHARMACEUTICALS INC | 8.1% | $10.9m | 2,636,767 | 5% | added | |
| 6 | CRIS CURIS INC | 8.0% | $10.7m | 7,550,564 | 0% | held | |
| 7 | ROCKWELL MEDICAL TECH | 6.2% | $8.4m | 1,366,667 | 0% | held | |
| 8 | CYPRESS BIOSCIENCES INC | 5.0% | $6.7m | 942,073 | – | new | |
| 9 | REPROS THERAPEUTICS INC | 4.2% | $5.7m | 579,806 | 95% | added | |
| 10 | JAVELIN PHARMACEUTICALS INC | 3.9% | $5.3m | 1,869,951 | 5% | added | |
| 11 | ATHERSYS INC | 3.4% | $4.5m | 1,305,295 | 5% | added | |
| 12 | SUPERGEN INC | 3.3% | $4.5m | 1,777,053 | 76% | added | |
| 13 | COUGAR BIOTECHNOLOGY INC | 3.2% | $4.3m | 204,238 | 28% | added | |
| 14 | ARDEA BIOSCIENCES INC | 2.9% | $3.9m | 301,887 | 0% | held | |
| 15 | LIPID SCIENCES INC ARIZ | 2.7% | $3.7m | 3,570,217 | -4% | reduced | |
| 16 | PENWEST PHARMACEUTICALS CO | 2.5% | $3.4m | 1,297,650 | – | new | |
| 17 | OREXIGEN THERAPEUTICS INC | 2.3% | $3.2m | 306,843 | -62% | 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.