| Essex Woodlands Management, Inc. | 13,021,324 | $96,879 |
| Juniper Investment Company, LLC | 6,939,357 | $51,629 |
| Nantahala Capital Management, LLC | 6,047,403 | $44,993 |
| BlackRock, Inc. | 3,124,184 | $23,244 |
| VANGUARD GROUP INC | 2,984,927 | $22,208 |
| ROYCE & ASSOCIATES LP | 1,251,282 | $9,310 |
| GEODE CAPITAL MANAGEMENT, LLC | 1,120,238 | $8,337 |
| STATE STREET CORP | 891,024 | $6,629 |
| AMERICAN CENTURY COMPANIES INC | 847,791 | $6,308 |
| DIMENSIONAL FUND ADVISORS LP | 765,208 | $5,693 |
| OBERWEIS ASSET MANAGEMENT INC/ | 616,614 | $4,588 |
| RENAISSANCE TECHNOLOGIES LLC | 615,100 | $4,576 |
| Eversept Partners, LP | 471,257 | $3,506 |
| KENNEDY CAPITAL MANAGEMENT LLC | 462,559 | $3,441 |
| Qube Research & Technologies Ltd | 449,006 | $3,341 |
| AQR CAPITAL MANAGEMENT LLC | 446,757 | $3,324 |
| Buckley Capital Advisors, LLC | 404,669 | $3,011 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 387,886 | $2,886 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 375,173 | $2,791 |
| GOLDMAN SACHS GROUP INC | 369,818 | $2,751 |
| FMR LLC | 366,686 | $2,728 |
| D. E. Shaw & Co., Inc. | 358,257 | $2,665 |
| NORTHERN TRUST CORP | 351,023 | $2,612 |
| TOCQUEVILLE ASSET MANAGEMENT L.P. | 330,000 | $2,455 |
| BNP PARIBAS ARBITRAGE, SA | 325,864 | $2,424 |
| Meros Investment Management, LP | 315,160 | $2,345 |
| MORGAN STANLEY | 302,258 | $2,249 |
| Knights of Columbus Asset Advisors LLC | 290,285 | $2,160 |
| MARSHALL WACE, LLP | 288,900 | $2,149 |
| LAZARD ASSET MANAGEMENT LLC | 270,509 | $2,013 |
| Hillsdale Investment Management Inc. | 269,909 | $2,008 |
| JANE STREET GROUP, LLC | 269,252 | $2,003 |
| TWO SIGMA INVESTMENTS, LP | 268,833 | $2,000 |
| Anderson Financial Strategies, LLC | 213,208 | $1,586 |
| Squarepoint Ops LLC | 191,173 | $1,422 |
| Divisadero Street Capital Management, LP | 183,131 | $1,362 |
| PANAGORA ASSET MANAGEMENT INC | 178,064 | $1,325 |
| Mariner, LLC | 160,312 | $1,193 |
| Bank of New York Mellon Corp | 150,102 | $1,117 |
| Nuveen, LLC | 147,251 | $1,096 |
| Trexquant Investment LP | 131,848 | $981 |
| HRT FINANCIAL LP | 130,649 | $1 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 121,273 | $902 |
| SEI INVESTMENTS CO | 111,109 | $827 |
| JPMORGAN CHASE & CO | 110,090 | $819 |
| Connor, Clark & Lunn Investment Management Ltd. | 99,354 | $739 |
| TWO SIGMA ADVISERS, LP | 97,332 | $724 |
| ALGERT GLOBAL LLC | 95,951 | $1 |
| BARCLAYS PLC | 92,523 | $688 |
| COMERICA BANK | 88,000 | $655 |
| ENVESTNET ASSET MANAGEMENT INC | 88,000 | $655 |
| UBS Group AG | 81,665 | $608 |
| PRINCIPAL FINANCIAL GROUP INC | 81,371 | $605 |
| GLOBEFLEX CAPITAL L P | 77,116 | $574 |
| Allspring Global Investments Holdings, LLC | 71,688 | $533 |
| Engineers Gate Manager LP | 68,889 | $513 |
| LOS ANGELES CAPITAL MANAGEMENT LLC | 67,968 | $460 |
| VICTORY CAPITAL MANAGEMENT INC | 66,712 | $496 |
| BANK OF AMERICA CORP /DE/ | 61,334 | $456 |
| CITADEL ADVISORS LLC | 60,925 | $453 |
| BOOTHBAY FUND MANAGEMENT, LLC | 59,705 | $444 |
| MILLENNIUM MANAGEMENT LLC | 59,422 | $442 |
| ACADIAN ASSET MANAGEMENT LLC | 56,340 | $0 |
| RHUMBLINE ADVISERS | 55,824 | $415 |
| PDT Partners, LLC | 55,229 | $411 |
| FRANKLIN RESOURCES INC | 55,133 | $410 |
| WELLS FARGO & COMPANY/MN | 50,634 | $377 |
| CANADA PENSION PLAN INVESTMENT BOARD | 50,300 | $374 |
| TUDOR INVESTMENT CORP ET AL | 46,682 | $347 |
| XTX Topco Ltd | 45,990 | $342 |
| ExodusPoint Capital Management, LP | 44,907 | $334 |
| Diametric Capital, LP | 43,542 | $324 |
| LPL Financial LLC | 41,725 | $310 |
| State of Wyoming | 38,357 | $285 |
| Voya Investment Management LLC | 34,531 | $257 |
| Invesco Ltd. | 33,621 | $250 |
| Quantinno Capital Management LP | 32,801 | $244 |
| INTECH INVESTMENT MANAGEMENT LLC | 28,234 | $210 |
| MetLife Investment Management, LLC | 27,511 | $205 |
| AlphaQuest LLC | 27,390 | $204 |
| DEUTSCHE BANK AG\ | 25,138 | $187 |
| DIKER MANAGEMENT LLC | 25,000 | $186 |
| SEIZERT CAPITAL PARTNERS, LLC | 24,758 | $184 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 24,648 | $0 |
| STRS OHIO | 24,000 | $179 |
| EntryPoint Capital, LLC | 23,428 | $174 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 21,440 | $160 |
| ALLIANCEBERNSTEIN L.P. | 19,670 | $146 |
| HARBOR CAPITAL ADVISORS, INC. | 19,502 | $0 |
| Corient Private Wealth LLC | 19,471 | $145 |
| Brevan Howard Capital Management LP | 19,110 | $142 |
| BALYASNY ASSET MANAGEMENT L.P. | 18,667 | $139 |
| EP Wealth Advisors, LLC | 18,193 | $135 |
| PRELUDE CAPITAL MANAGEMENT, LLC | 17,150 | $128 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 15,391 | $115 |
| HighTower Advisors, LLC | 15,123 | $113 |
| Police & Firemen's Retirement System of New Jersey | 14,502 | $108 |
| Campbell & CO Investment Adviser LLC | 14,305 | $106 |
| MERCER GLOBAL ADVISORS INC /ADV | 13,529 | $101 |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 13,303 | $99 |
| 46 other institutions | 145,900 | $881 |