| 1 | Essex Woodlands Management, Inc. | $108.6M | 28.2M | Hold |
| 2 | BlackRock, Inc. | $46.8M | 12.2M | Added |
| 3 | VANGUARD GROUP INC | $28.1M | 7.3M | Added |
| 4 | Trigran Investments, Inc. | $27.6M | 7.2M | Trimmed |
| 5 | STATE STREET CORP | $21.5M | 5.6M | Added |
| 6 | Nantahala Capital Management, LLC | $18.4M | 4.8M | Added |
| 7 | PARADIGM CAPITAL MANAGEMENT INC/NY | $15.7M | 4.1M | Added |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $12.1M | 3.1M | Added |
| 9 | GOLDMAN SACHS GROUP INC | $10.3M | 2.7M | Added |
| 10 | AQR CAPITAL MANAGEMENT LLC | $9.5M | 2.5M | Added |
| 11 | RENAISSANCE TECHNOLOGIES LLC | $9.4M | 2.4M | Trimmed |
| 12 | PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | $7.9M | 2.1M | Added |
| 13 | DIMENSIONAL FUND ADVISORS LP | $7.5M | 1.9M | Trimmed |
| 14 | CANNELL CAPITAL LLC | $7.2M | 1.9M | Added |
| 15 | NORTHERN TRUST CORP | $5.1M | 1.3M | Added |
| 16 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $4.9M | 1.3M | Added |
| 17 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $4.8M | 1.2M | Trimmed |
| 18 | Sixth Street Partners Management Company, L.P. | $4.8M | 1.2M | New |
| 19 | Meros Investment Management, LP | $4.3M | 1.1M | Added |
| 20 | MORGAN STANLEY | $4.0M | 1.0M | Added |
| 21 | Qube Research & Technologies Ltd | $3.8M | 990,228 | Trimmed |
| 22 | CITADEL ADVISORS LLC | $3.2M | 844,138 | Added |
| 23 | JANE STREET GROUP, LLC | $3.1M | 792,311 | Added |
| 24 | KENNEDY CAPITAL MANAGEMENT LLC | $3.0M | 770,075 | New |
| 25 | ACADIAN ASSET MANAGEMENT LLC | $2.9M | 757,710 | Added |