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Stephens Investment Management, LLC
> HLCS
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 09/30/2009 | HELICOS BIOSCIENCES CORP | HLCS | 0 | -1,362,256 | 0 | -450,000 | |
| 06/30/2009 | HELICOS BIOSCIENCES CORP | HLCS | 1,362,256 | -1,375,928 | 450,000 | -905,000 | $0.33 |
| 03/31/2009 | HELICOS BIOSCIENCES CORP | HLCS | 2,738,184 | -214,984 | 1,355,000 | 344,000 | $0.49 |
| 12/31/2008 | HELICOS BIOSCIENCES CORP | HLCS | 2,953,168 | 1,655,811 | 1,011,000 | -1,220,000 | $0.34 |
| 09/30/2008 | HELICOS BIOSCIENCES CORP | HLCS | 1,297,357 | 529,209 | 2,231,000 | -1,364,000 | $1.72 |
| 06/30/2008 | HELICOS BIOSCIENCES CORP | HLCS | 768,148 | 59,802 | 3,595,000 | -655,000 | $4.68 |
| 03/31/2008 | HELICOS BIOSCIENCES CORP | HLCS | 708,346 | 172,301 | 4,250,000 | -1,346,000 | $6.00 |
| 12/31/2007 | HELICOS BIOSCIENCES CORP | HLCS | 536,045 | 25,300 | 5,596,000 | 1,153,000 | $10.44 |
| 09/30/2007 | HELICOS BIOSCIENCES CORP | HLCS | 510,745 | 160,984 | 4,443,000 | 1,274,000 | $8.70 |
| 06/30/2007 | HELICOS BIOSCIENCES CORP | HLCS | 349,761 | 349,761 | 3,169,000 | 3,169,000 | $9.06 |
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