Today
+2.04%
5 Days
+2.88%
1 Month
+3.44%
6 Months
+1.93%
Year to Date
+21.94%
1 Year
+32.60%



| Shareholders | Proportion |
|---|---|
| George Kaiser Family Foundation | 24.67% |
| Wellington Management Company, LLP | 11.33% |
| BlackRock Institutional Trust Company, N.A. | 5.22% |
| Copeland Capital Management, LLC | 4.98% |
| Shareholder Types | Proportion |
|---|---|
| Investment Advisor | 38.61% |
| Investment Advisor/Hedge Fund | 35.10% |
| Foundation | 24.67% |
| Hedge Fund | 6.15% |
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