| 1 | First Light Asset Management, LLC | 5,233,326 | $171.3M | 13.10% | Share |
| 2 | VANGUARD GROUP INC | 2,490,045 | $81.5M | 0.00% | Share |
| 3 | MORGAN STANLEY | 2,373,038 | $77.0M | 0.00% | Share |
| 4 | BlackRock, Inc. | 1,954,013 | $63.0M | 0.00% | Share |
| 5 | ArrowMark Colorado Holdings LLC | 1,474,282 | $48.3M | 1.06% | Share |
| 6 | Assenagon Asset Management S.A. | 1,379,849 | $45.2M | 0.06% | Share |
| 7 | BlackRock, Inc. | 1,319,378 | $43.0M | 0.00% | Share |
| 8 | Soleus Capital Management, L.P. | 1,206,855 | $39.5M | 1.46% | Share |
| 9 | STATE STREET CORP | 1,075,843 | $35.0M | 0.00% | Share |
| 10 | MILLENNIUM MANAGEMENT LLC | 971,358 | $31.0M | 0.01% | Share |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 948,307 | $31.0M | 0.00% | Share |
| 12 | ARMISTICE CAPITAL, LLC | 936,000 | $30.6M | 0.36% | Share |
| 13 | WASATCH ADVISORS LP | 923,572 | $30.2M | 0.18% | Share |
| 14 | BALYASNY ASSET MANAGEMENT L.P. | 847,454 | $27.0M | 0.03% | Share |
| 15 | NEXT CENTURY GROWTH INVESTORS LLC | 799,882 | $26.2M | 1.82% | Share |
| 16 | PERCEPTIVE ADVISORS LLC | 784,140 | $25.7M | 0.46% | Share |
| 17 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 709,771 | $23.0M | 0.01% | Share |
| 18 | DEUTSCHE BANK AG\ | 588,538 | $19.0M | 0.01% | Share |
| 19 | DIMENSIONAL FUND ADVISORS LP | 563,245 | $18.0M | 0.00% | Share |
| 20 | Divisadero Street Capital Management, LP | 503,822 | $16.5M | 0.77% | Share |
| 21 | DAFNA Capital Management LLC | 476,826 | $15.6M | 3.62% | Share |
| 22 | TOCQUEVILLE ASSET MANAGEMENT L.P. | 469,900 | $15.0M | 0.22% | Share |
| 23 | TWO SIGMA INVESTMENTS, LP | 433,473 | $14.0M | 0.02% | Share |
| 24 | BANK OF AMERICA CORP /DE/ | 455,809 | $14.0M | 0.00% | Share |
| 25 | First Eagle Investment Management, LLC | 406,955 | $13.3M | 0.02% | Share |
| 26 | WCM INVESTMENT MANAGEMENT, LLC | 400,616 | $13.1M | 0.03% | Share |
| 27 | Connor, Clark & Lunn Investment Management Ltd. | 400,527 | $13.0M | 0.03% | Share |
| 28 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 403,987 | $13.0M | 0.00% | Share |
| 29 | JACOBS LEVY EQUITY MANAGEMENT, INC | 389,343 | $12.0M | 0.05% | Share |
| 30 | BESSEMER GROUP INC | 380,886 | $12.0M | 0.02% | Share |
| 31 | BROWN CAPITAL MANAGEMENT LLC | 349,209 | $11.4M | 0.94% | Share |
| 32 | HighMark Wealth Management LLC | 343,940 | $11.3M | 4.59% | Share |
| 33 | TimesSquare Capital Management, LLC | 336,847 | $11.0M | 0.17% | Share |
| 34 | OBERWEIS ASSET MANAGEMENT INC/ | 336,200 | $11.0M | 0.40% | Share |
| 35 | NORTHERN TRUST CORP | 349,970 | $11.0M | 0.00% | Share |
| 36 | VANGUARD GROUP INC | 316,534 | $10.4M | 0.00% | Share |
| 37 | SILVERCREST ASSET MANAGEMENT GROUP LLC | 293,315 | $9.0M | 0.06% | Share |
| 38 | GOLDMAN SACHS GROUP INC | 293,105 | $9.0M | 0.00% | Share |
| 39 | Parkman Healthcare Partners LLC | 250,318 | $8.2M | 0.78% | Share |
| 40 | PERKINS CAPITAL MANAGEMENT INC | 228,334 | $7.5M | 5.93% | Share |
| 41 | DISCIPLINED GROWTH INVESTORS INC /MN | 201,876 | $6.6M | 0.13% | Share |
| 42 | GOLDMAN SACHS GROUP INC | 185,454 | $6.0M | 0.00% | Share |
| 43 | Uniplan Investment Counsel, Inc. | 170,620 | $5.6M | 1.57% | Share |
| 44 | ROYCE & ASSOCIATES LP | 168,039 | $5.5M | 0.06% | Share |
| 45 | KOTLER KEVIN | 168,000 | $5.5M | 1.29% | Share |
| 46 | Invesco Ltd. | 166,525 | $5.5M | 0.00% | Share |
| 47 | Informed Momentum Co LLC | 155,798 | $5.1M | 0.57% | Share |
| 48 | Stephens Investment Management Group LLC | 154,085 | $5.0M | 0.07% | Share |
| 49 | Legal & General Group Plc | 154,896 | $5.0M | 0.00% | Share |
| 50 | TWO SIGMA ADVISERS, LP | 171,000 | $5.0M | 0.01% | Share |