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BIOTECHNOLOGY VALUE FUND L P
> RGEN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 12/31/2009 | REPLIGEN CORP | RGEN | 2,038,950 | -1,378,000 | 8,380,085 | -5,458,563 | $4.11 |
| 05/15/2009 | REPLIGEN CORP | RGEN | 3,416,950 | 685,600 | 13,838,648 | 3,514,145 | $4.05 |
| 12/31/2008 | REPLIGEN CORP | RGEN | 2,731,350 | 2,731,350 | 10,324,503 | 10,324,503 | $3.78 |
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