| Top Institutional Holders |
|---|
| Holder | Shares | % Out | Value* | Reported |
|---|
| Citadel Advisors LLC | 11,358 | 0.33 | 15,901 | Dec 31, 2012 | | UBS AG | 1,460 | 0.04 | 2,642 | Mar 31, 2013 |
|
| Holder | Shares | % Out | Value* | Reported |
|---|
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Value shown is computed using the security's price on the report date given. Currency in USD. |