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SPARK LP
> BIIB
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 03/31/2012 | BIOGEN INC. | BIIB | 17,900 | 17,900 | 2,254,000 | 2,254,000 | $125.92 |
| 06/30/2011 | BIOGEN INC. | BIIB | 0 | -4,000 | 0 | -293,000 | |
| 03/31/2011 | BIOGEN INC. | BIIB | 4,000 | 0 | 293,000 | 25,000 | $73.25 |
| 12/31/2010 | BIOGEN INC. | BIIB | 4,000 | -15,500 | 268,000 | -826,000 | $67.00 |
| 09/30/2010 | BIOGEN INC. | BIIB | 19,500 | 19,500 | 1,094,000 | 1,094,000 | $56.10 |
| 12/31/2007 | BIOGEN INC. | BIIB | 0 | -19,400 | 0 | -865,000 | |
| 12/31/2006 | BIOGEN INC. | BIIB | 0 | -19,400 | 0 | -865,000 | |
| 09/30/2006 | BIOGEN INC. | BIIB | 19,400 | 0 | 865,000 | -34,000 | $44.59 |
| 06/30/2006 | BIOGEN INC. | BIIB | 19,400 | 0 | 899,000 | -16,000 | $46.34 |
| 03/31/2006 | BIOGEN INC. | BIIB | 19,400 | 19,400 | 915,000 | 915,000 | $47.16 |
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