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Investments in Marketable Securities | 3 Months Ended
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Mar. 31, 2013
Investments in Marketable Securities |
Investments in Marketable Securities | 3. Investments in Marketable Securities Investments in marketable securities at December 31, 2012 and March 31, 2013 were $128.9 million and $135.5 million, respectively. These investments are comprised of the Company's investments in Value Partners Group Limited, a publicly-traded asset management firm based in Hong Kong, and investments held by Affiliates. The following is a summary of the cost, gross unrealized gains and losses and fair value of investments classified as available-for-sale and trading at December 31, 2012 and March 31, 2013:
|  | Available-for-Sale |  | Trading |
--- | --- | --- | --- | --- | ---
|  | December 31, 2012 |  | March 31, 2013 |  | December 31, 2012 |  | March 31, 2013 |
Cost |  | $ | 103.2 |  | $ | 99.2 |  | $ | 10.3 |  | $ | 16.3 |
Unrealized Gains |  |  | 15.3 |  |  | 21.1 |  |  | 6.5 |  |  | 2.5 |
Unrealized Losses |  |  | (3.2 | ) |  | (3.6 | ) |  | (3.2 | ) |  | — |
Fair Value |  | $ | 115.3 |  | $ | 116.7 |  | $ | 13.6 |  | $ | 18.8 |
The following is a summary of the Company's realized gains and losses on investments classified as available-for-sale and trading:
|  | Available-for-Sale |  | Trading |
--- | --- | --- | --- | --- | ---
|  | For the Three Months Ended March 31, |  | For the Three Months Ended March 31, |
|  | 2012 |  | 2013 |  | 2012 |  | 2013 |
Gains |  | $ | — |  | $ | 0.2 |  | $ | 0.5 |  | $ | 0.1 |
Losses |  |  | — |  |  | — |  |  | (0.3 | ) |  | — |
Net realized gains |  | $ | — |  | $ | 0.2 |  | $ | 0.2 |  | $ | 0.1 |

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