| Tower House Partners LLP | 176,293 | $19,551 | 34.07% |
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| Novo Holdings A/S | 1,271,707 | $141,032 | 5.99% |
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| XXEC, Inc. | 75,342 | $8,495 | 5.91% |
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| Iron Triangle Partners LP | 392,663 | $43,546 | 5.18% |
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| Veritas Asset Management LLP | 6,999,686 | $776,265 | 4.75% |
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| Leonard Green & Partners, L.P. | 4,330,462 | $480,248 | 3.31% |
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| TRAN CAPITAL MANAGEMENT, L.P. | 299,060 | $33,166 | 2.91% |
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| Parkman Healthcare Partners LLC | 79,049 | $8,767 | 2.57% |
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| GREENWOOD CAPITAL ASSOCIATES LLC | 75,198 | $8,339 | 2.19% |
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| Third Point | 1,350,000 | $149,715 | 1.95% |
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| Buffington Mohr McNeal | 90,155 | $9,998 | 1.89% |
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| Avidity Partners Management LP | 782,000 | $86,724 | 1.81% |
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| China Universal Asset Management Co., Ltd. | 41,499 | $4,602 | 1.63% |
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| SNYDER CAPITAL MANAGEMENT L P | 576,014 | $63,880 | 1.63% |
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| TimesSquare Capital Management, LLC | 1,293,200 | $143,416 | 1.61% |
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| MOUNTAIN PACIFIC INVESTMENT ADVISERS INC/ID | 198,324 | $21,994 | 1.44% |
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| Avalon Global Asset Management LLC | 55,000 | $6,100 | 1.41% |
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| Montanaro Asset Management Ltd | 102,500 | $11,374 | 1.40% |
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| AtonRa Partners | 22,113 | $2,452 | 1.33% |
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| EARNEST PARTNERS LLC | 1,926,441 | $213,642 | 1.26% |
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