News + Filings Holdings
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GREAT NORTHERN ASSET MANAGEMENT INC
> USMO
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 12/31/2012 | Spok Holdings, Inc | USMO | 64,481 | -1,510 | 753,138 | -30,175 | $11.68 |
| 09/30/2012 | Spok Holdings, Inc | USMO | 65,991 | -19,650 | 783,313 | -318,030 | $11.87 |
| 06/30/2012 | Spok Holdings, Inc | USMO | 85,641 | 0 | 1,101,343 | -91,636 | $12.86 |
| 03/31/2012 | Spok Holdings, Inc | USMO | 85,641 | -5,640 | 1,192,979 | -73,088 | $13.93 |
| 12/31/2011 | Spok Holdings, Inc | USMO | 91,281 | 4,420 | 1,266,067 | 119,502 | $13.87 |
| 09/30/2011 | Spok Holdings, Inc | USMO | 86,861 | 120 | 1,146,565 | -177,102 | $13.20 |
| 06/30/2011 | Spok Holdings, Inc | USMO | 86,741 | 86,741 | 1,323,668 | 1,323,668 | $15.26 |
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