| HealthInvest Partners AB | 100,000 | $5,670 | 9.03% |
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| Pavadi Capital LLC | 112,853 | $6,399 | 5.64% |
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| SECTOR GAMMA AS | 377,270 | $21,391 | 4.65% |
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| CLARK ESTATES INC/NY | 509,600 | $28,894 | 4.56% |
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| CONTINENTAL ADVISORS LLC | 138,848 | $7,873 | 3.88% |
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| KEMPNER CAPITAL MANAGEMENT INC. | 119,106 | $6,753 | 3.70% |
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| Cambridge Financial Group, Inc. | 129,529 | $7,344,294 | 3.29% |
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| LIBERTY ONE INVESTMENT MANAGEMENT, LLC | 360,480 | $20,439 | 3.10% |
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| MILLER HOWARD INVESTMENTS INC /NY | 1,175,121 | $66,629 | 2.34% |
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| SKBA CAPITAL MANAGEMENT LLC | 213,350 | $12,097 | 2.18% |
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| Greystone Financial Group, LLC | 144,679 | $8,203 | 2.07% |
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| GREYLIN INVESTMENT MANGEMENT INC | 206,917 | $11,732 | 2.02% |
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| Kinloch Capital, LLC | 57,344 | $3,251 | 1.95% |
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| CONTINENTAL ADVISORS LLC | 59,900 | $3,396 | 1.68% |
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| Aurora Investment Counsel | 45,816 | $2,598 | 1.66% |
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| BRANDES INVESTMENT PARTNERS, LP | 1,360,754 | $77,155 | 1.65% |
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| CRAWFORD INVESTMENT COUNSEL INC | 1,360,561 | $77,144 | 1.49% |
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| Orca Investment Management, LLC | 29,952 | $1,698 | 1.38% |
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| Palouse Capital Management, Inc. | 54,641 | $3,098 | 1.36% |
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| PFM Health Sciences, LP | 639,783 | $36,276 | 1.36% |
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