| 1 | Topline Capital Management, LLC | 7,238,153 | $68.0M | 6.16% | Share |
| 2 | AMERICAN CAPITAL MANAGEMENT INC | 6,708,394 | $63.1M | 2.78% | Share |
| 3 | Edenbrook Capital, LLC | 5,912,393 | $55.6M | 10.36% | Share |
| 4 | Neuberger Berman Group LLC | 5,035,677 | $47.0M | 0.03% | Share |
| 5 | Value Base Ltd. | 3,135,389 | $29.5M | 22.08% | Share |
| 6 | ACADIAN ASSET MANAGEMENT LLC | 2,895,868 | $27.0M | 0.04% | Share |
| 7 | Value Base Ltd. | 2,583,798 | $24.3M | 18.20% | Share |
| 8 | Y.D. More Investments Ltd | 1,854,798 | $17.4M | 0.83% | Share |
| 9 | DRIEHAUS CAPITAL MANAGEMENT LLC | 1,433,197 | $13.5M | 0.09% | Share |
| 10 | WESTERLY CAPITAL MANAGEMENT, LLC | 1,155,000 | $10.9M | 2.38% | Share |
| 11 | Edenbrook Capital, LLC | 1,039,278 | $9.8M | 1.82% | Share |
| 12 | SCALAR GAUGE MANAGEMENT, LLC | 904,099 | $8.5M | 5.61% | Share |
| 13 | Connor, Clark & Lunn Investment Management Ltd. | 870,672 | $8.0M | 0.02% | Share |
| 14 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 774,234 | $7.0M | 0.00% | Share |
| 15 | AMERIPRISE FINANCIAL INC | 749,281 | $7.0M | 0.00% | Share |
| 16 | D. E. Shaw & Co., Inc. | 681,537 | $6.0M | 0.00% | Share |
| 17 | RENAISSANCE TECHNOLOGIES LLC | 566,911 | $5.0M | 0.01% | Share |
| 18 | Edenbrook Capital, LLC | 518,100 | $4.9M | 0.91% | Call |
| 19 | STATE OF WISCONSIN INVESTMENT BOARD | 517,115 | $4.0M | 0.01% | Share |
| 20 | JPMORGAN CHASE & CO | 438,564 | $4.0M | 0.00% | Share |
| 21 | MARSHALL WACE, LLP | 348,635 | $3.0M | 0.00% | Share |
| 22 | Analyst IMS Investment Management Services Ltd. | 286,400 | $2.7M | 0.08% | Share |
| 23 | ARK Investment Management LLC | 259,116 | $2.4M | 0.02% | Share |
| 24 | Trexquant Investment LP | 224,164 | $2.1M | 0.02% | Share |
| 25 | PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | 248,550 | $2.0M | 0.01% | Share |
| 26 | MILLENNIUM MANAGEMENT LLC | 295,818 | $2.0M | 0.00% | Share |
| 27 | TWO SIGMA INVESTMENTS, LP | 243,707 | $2.0M | 0.00% | Share |
| 28 | BlackRock, Inc. | 274,778 | $2.0M | 0.00% | Share |
| 29 | Qube Research & Technologies Ltd | 263,044 | $2.0M | 0.00% | Share |
| 30 | Point72 Asset Management, L.P. | 229,443 | $2.0M | 0.00% | Share |
| 31 | Squarepoint Ops LLC | 300,000 | $2.0M | 0.00% | Put |
| 32 | CITADEL ADVISORS LLC | 261,400 | $2.0M | 0.00% | Call |
| 33 | Archon Capital Management LLC | 208,276 | $2.0M | 1.11% | Share |
| 34 | SG Americas Securities, LLC | 201,819 | $1.9M | 0.00% | Share |
| 35 | Silverberg Bernstein Capital Management LLC | 162,500 | $1.5M | 0.88% | Share |
| 36 | CM Management, LLC | 160,000 | $1.5M | 1.27% | Share |
| 37 | Senvest Management, LLC | 149,441 | $1.4M | 0.04% | Share |
| 38 | GSA CAPITAL PARTNERS LLP | 132,986 | $1.0M | 0.09% | Share |
| 39 | BANK OF AMERICA CORP /DE/ | 133,008 | $1.0M | 0.00% | Share |
| 40 | TWO SIGMA ADVISERS, LP | 145,300 | $1.0M | 0.00% | Share |
| 41 | LAZARD ASSET MANAGEMENT LLC | 198,184 | $1.0M | 0.00% | Share |
| 42 | Neuberger Berman Group LLC | 157,860 | $1.0M | 0.00% | Share |
| 43 | HRT FINANCIAL LP | 133,055 | $1.0M | 0.00% | Share |
| 44 | Edenbrook Capital, LLC | 86,900 | $816K | 0.15% | Call |
| 45 | IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 79,253 | $744K | 0.05% | Share |
| 46 | Analyst IMS Investment Management Services Ltd. | 65,121 | $612K | 0.02% | Share |
| 47 | PDT Partners, LLC | 64,635 | $607K | 0.04% | Share |
| 48 | R Squared Ltd | 48,409 | $455K | 0.21% | Share |
| 49 | WESTPORT ASSET MANAGEMENT INC | 45,000 | $378K | 0.16% | Share |
| 50 | UBS Group AG | 34,843 | $327K | 0.00% | Share |