| BlackRock, Inc. | 4,474,548 | $125.2m | 0.0% |
| WELLINGTON MANAGEMENT GROUP LLP | 3,495,603 | $97.8m | 0.0% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3,127,195 | $87.5m | 0.0% |
| Hood River Capital Management LLC | 2,905,299 | $81.3m | 0.6% |
| ALLIANCEBERNSTEIN L.P. | 2,768,365 | $79.0m | 0.0% |
| VANGUARD CAPITAL MANAGEMENT LLC | 2,190,413 | $61.3m | 0.0% |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 1,734,279 | $48.5m | 0.1% |
| GOLDMAN SACHS GROUP INC | 1,597,988 | $44.7m | 0.0% |
| STATE STREET CORP | 1,389,989 | $38.9m | 0.0% |
| MARSHALL WACE, LLP | 1,333,904 | $37.3m | 0.0% |
| GEODE CAPITAL MANAGEMENT, LLC | 1,319,687 | $36.9m | 0.0% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1,296,209 | $36.3m | 0.0% |
| DIMENSIONAL FUND ADVISORS LP | 1,044,034 | $29.2m | 0.0% |
| NEUBERGER BERMAN GROUP LLC | 947,982 | $26.6m | 0.0% |
| GW&K Investment Management, LLC | 949,516 | $26.6m | 0.2% |
| Champlain Investment Partners, LLC | 938,567 | $26.3m | 0.7% |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 897,419 | $25.1m | 0.0% |
| BANK OF AMERICA CORP /DE/ | 874,370 | $24.5m | 0.0% |
| KENNEDY CAPITAL MANAGEMENT LLC | 857,787 | $24.0m | 0.4% |
| Divisadero Street Capital Management, LP | 800,931 | $22.4m | 0.5% |
| Point72 Asset Management, L.P. | 604,380 | $16.9m | 0.0% |
| DAFNA Capital Management LLC | 597,431 | $16.7m | 3.2% |
| First Eagle Investment Management, LLC | 595,286 | $16.7m | 0.0% |
| Grandeur Peak Global Advisors, LLC | 587,399 | $16.4m | 3.8% |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 580,621 | $16.2m | 0.0% |