Today
-0.67%
5 Days
+10.28%
1 Month
-4.97%
6 Months
+8.10%
Year to Date
+9.14%
1 Year
-9.87%


| Shareholders | Proportion |
|---|---|
| Roth (Ronald G) | 10.73% |
| BlackRock Institutional Trust Company, N.A. | 6.20% |
| Mairs and Power, Inc. | 5.47% |
| ACK Asset Management LLC | 5.23% |
| Shareholder Types | Proportion |
|---|---|
| Investment Advisor | 27.79% |
| Investment Advisor/Hedge Fund | 18.68% |
| Individual Investor | 18.24% |
| Hedge Fund | 13.53% |
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