| TCW GROUP INC | 15,467,952 | $9,293 |
| BlackRock, Inc. | 8,547,129 | $7,048 |
| VANGUARD GROUP INC | 5,818,576 | $4,800 |
| WEBER CAPITAL MANAGEMENT LLC /ADV | 5,055,294 | $4,169 |
| NEUBERGER BERMAN GROUP LLC | 4,966,968 | $4,093 |
| ARMISTICE CAPITAL, LLC | 4,500,000 | $3,711 |
| HEARTLAND ADVISORS INC | 3,328,307 | $2,745 |
| GEODE CAPITAL MANAGEMENT, LLC | 2,476,344 | $2,042 |
| RENAISSANCE TECHNOLOGIES LLC | 2,452,607 | $2,022 |
| STATE STREET CORP | 1,996,467 | $1,646 |
| MACKENZIE FINANCIAL CORP | 1,918,086 | $1,538 |
| D. E. Shaw & Co., Inc. | 1,683,269 | $1,388 |
| SILVERBACK ASSET MANAGEMENT LLC | 1,532,519 | $1,264 |
| DAFNA Capital Management LLC | 1,395,508 | $1,151 |
| FMR LLC | 1,063,632 | $877 |
| Kovack Advisors, Inc. | 953,075 | $786 |
| CITADEL ADVISORS LLC | 892,328 | $736 |
| Parkman Healthcare Partners LLC | 852,012 | $703 |
| GOLDMAN SACHS GROUP INC | 773,774 | $638 |
| NORTHERN TRUST CORP | 760,594 | $627 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 733,953 | $605 |
| North Star Investment Management Corp. | 684,320 | $564 |
| Silverberg Bernstein Capital Management LLC | 648,548 | $535 |
| Connor, Clark & Lunn Investment Management Ltd. | 602,114 | $497 |
| ACADIAN ASSET MANAGEMENT LLC | 570,089 | $0 |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 500,000 | $412 |
| MORGAN STANLEY | 476,143 | $393 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 377,417 | $311 |
| UBS Group AG | 365,485 | $302 |
| JANE STREET GROUP, LLC | 328,043 | $271 |
| BARCLAYS PLC | 321,258 | $265 |
| DIMENSIONAL FUND ADVISORS LP | 294,963 | $243 |
| Schonfeld Strategic Advisors LLC | 294,720 | $243 |
| Nuveen, LLC | 293,679 | $242 |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 283,595 | $241 |
| Invesco Ltd. | 245,000 | $202 |
| TWO SIGMA INVESTMENTS, LP | 236,520 | $195 |
| WELLS FARGO & COMPANY/MN | 220,009 | $181 |
| Bank of New York Mellon Corp | 219,959 | $181 |
| TUDOR INVESTMENT CORP ET AL | 211,597 | $174 |
| Assenagon Asset Management S.A. | 205,228 | $169 |
| AMERIPRISE FINANCIAL INC | 183,537 | $151 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 174,425 | $144 |
| Virtu Financial LLC | 166,673 | $0 |
| BANK OF AMERICA CORP /DE/ | 156,671 | $129 |
| TWO SIGMA ADVISERS, LP | 139,413 | $115 |
| Williams & Novak, LLC | 118,855 | $98 |
| HSBC HOLDINGS PLC | 111,442 | $94 |
| DEUTSCHE BANK AG\ | 88,542 | $73 |
| LOS ANGELES CAPITAL MANAGEMENT LLC | 87,775 | $121 |
| PERKINS CAPITAL MANAGEMENT INC | 86,500 | $71 |
| PANAGORA ASSET MANAGEMENT INC | 84,989 | $70 |
| SEI INVESTMENTS CO | 83,540 | $69 |
| RHUMBLINE ADVISERS | 82,495 | $68 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 81,585 | $67 |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | 77,600 | $64 |
| CANADA PENSION PLAN INVESTMENT BOARD | 61,100 | $50 |
| Centiva Capital, LP | 60,695 | $50 |
| ALLIANCEBERNSTEIN L.P. | 54,730 | $45 |
| OXFORD ASSET MANAGEMENT LLP | 53,526 | $44 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 50,833 | $0 |
| Janney Montgomery Scott LLC | 50,032 | $0 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 46,008 | $38 |
| GABELLI FUNDS LLC | 43,800 | $36 |
| INTECH INVESTMENT MANAGEMENT LLC | 42,709 | $35 |
| AQR CAPITAL MANAGEMENT LLC | 42,653 | $35 |
| BNP PARIBAS ARBITRAGE, SA | 40,712 | $34 |
| JPMORGAN CHASE & CO | 40,306 | $33 |
| XTX Topco Ltd | 37,285 | $31 |
| LPL Financial LLC | 34,025 | $28 |
| Thrivent Financial for Lutherans | 31,800 | $0 |
| NEW YORK STATE COMMON RETIREMENT FUND | 29,096 | $24 |
| Police & Firemen's Retirement System of New Jersey | 28,113 | $23 |
| Mariner, LLC | 27,602 | $23 |
| NINE MASTS CAPITAL Ltd | 25,202 | $21 |
| GLOBEFLEX CAPITAL L P | 25,045 | $21 |
| Graham Capital Management, L.P. | 23,748 | $20 |
| SG Americas Securities, LLC | 23,103 | $0 |
| Sagewood Asset Management LP | 22,793 | $19 |
| Verition Fund Management LLC | 21,915 | $18 |
| MARSHALL WACE, LLP | 21,914 | $18 |
| FRANKLIN RESOURCES INC | 21,766 | $18 |
| Voya Investment Management LLC | 21,433 | $18 |
| Teton Advisors, LLC | 20,000 | $16 |
| GSA CAPITAL PARTNERS LLP | 18,139 | $0 |
| ProShare Advisors LLC | 18,104 | $15 |
| Engineers Gate Manager LP | 16,810 | $14 |
| PRUDENTIAL FINANCIAL INC | 14,525 | $12 |
| SAWGRASS ASSET MANAGEMENT LLC | 14,157 | $12 |
| Associated Banc-Corp | 13,675 | $11 |
| Tower Research Capital LLC (TRC) | 12,712 | $10 |
| VICTORY CAPITAL MANAGEMENT INC | 12,465 | $10 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 12,296 | $10 |
| Fisher Asset Management, LLC | 12,060 | $10 |
| HRT FINANCIAL LP | 11,827 | $0 |
| Legal & General Group Plc | 11,191 | $9 |
| MILLENNIUM MANAGEMENT LLC | 10,391 | $9 |
| MML INVESTORS SERVICES, LLC | 10,000 | $8 |
| Russell Investments Group, Ltd. | 8,401 | $7 |
| Ameritas Investment Partners, Inc. | 7,702 | $6 |
| 24 other institutions | 41,792 | $28 |