RA Capital Management 13F holdings, Q4 2011
Holdings as of December 31, 2011 · filings on SEC EDGAR · latest filing →
RA Capital Management disclosed 18 US equity positions worth $123.6m in its Q4 2011 13F filing. The largest position was SEQUENOM INC at 22.0% of the reported book, followed by ARTHROCARE CORP and VNDA. Against the Q3 2011 filing, it opened 9 new positions, added to 6 and reduced 2 among the top 18 holdings.
What did RA Capital Management own in Q4 2011? Top 18 positions
| # | Stock | Sector | Weight | Value | Shares | Δ shares | vs Q3 2011 |
|---|---|---|---|---|---|---|---|
| 1 | SEQUENOM INC | 22.0% | $27.2m | 6,119,800 | 132% | added | |
| 2 | ARTHROCARE CORP | 10.9% | $13.5m | 426,505 | 67% | added | |
| 3 | VNDA VANDA PHARMACEUTICALS INC | Healthcare | 9.4% | $11.6m | 2,429,914 | 69% | added |
| 4 | ENDOCYTE INC | 8.0% | $9.8m | 2,617,472 | 565% | added | |
| 5 | POZEN INC | 7.8% | $9.6m | 2,437,315 | – | new | |
| 6 | COLUMBIA LABS INC | 6.9% | $8.5m | 3,410,573 | -18% | reduced | |
| 7 | DYAX CORP | 6.8% | $8.4m | 6,195,201 | – | new | |
| 8 | DERMA SCIENCES INC | 6.4% | $7.9m | 1,043,419 | 31% | added | |
| 9 | VENTRUS BIOSCIENCES INC | 5.6% | $7.0m | 869,923 | 23% | added | |
| 10 | ACAD ACADIA PHARMACEUTICALS INC | Healthcare | 4.6% | $5.7m | 5,269,999 | 0% | held |
| 11 | NEWLINK GENETICS CORP | 2.8% | $3.5m | 500,000 | – | new | |
| 12 | SGMOQ SANGAMO BIOSCIENCES INC | Healthcare | 2.0% | $2.5m | 865,884 | – | new |
| 13 | IDENIX PHARMACEUTICALS INC | 1.8% | $2.2m | 300,000 | – | new | |
| 14 | DYNAVAX TECHNOLOGIES CORP | 1.7% | $2.2m | 650,000 | – | new | |
| 15 | MELA SCIENCES INC | 1.3% | $1.6m | 429,001 | – | new | |
| 16 | NVAX NOVAVAX INC | Healthcare | 1.0% | $1.2m | 969,072 | – | new |
| 17 | RGEN REPLIGEN CORP | Healthcare | 0.7% | $879.0k | 253,206 | – | new |
| 18 | TEARLAB CORP | 0.2% | $201.0k | 179,700 | -87% | 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.