| Graham Holdings Co | 3,398,904 | $44.6m | 4.1% |
| BlackRock, Inc. | 3,279,530 | $43.0m | 0.0% |
| VANGUARD CAPITAL MANAGEMENT LLC | 1,661,312 | $21.8m | 0.0% |
| ACADIAN ASSET MANAGEMENT LLC | 1,573,911 | $20.6m | 0.0% |
| DIMENSIONAL FUND ADVISORS LP | 1,491,121 | $19.6m | 0.0% |
| RENAISSANCE TECHNOLOGIES LLC | 1,421,049 | $18.6m | 0.0% |
| Whitefort Capital Management, LP | 1,110,656 | $14.6m | 3.6% |
| GEODE CAPITAL MANAGEMENT, LLC | 991,800 | $13.0m | 0.0% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 947,548 | $12.4m | 0.0% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 862,996 | $11.3m | 0.0% |
| STATE STREET CORP | 854,147 | $11.2m | 0.0% |
| S SQUARED TECHNOLOGY, LLC | 748,099 | $9.8m | 3.0% |
| Simcoe Capital LLC | 693,903 | $9.1m | 5.6% |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | 644,593 | $8.4m | 0.2% |
| AMERICAN CENTURY COMPANIES INC | 642,076 | $8.4m | 0.0% |
| TWO SIGMA INVESTMENTS, LP | 638,102 | $8.4m | 0.0% |
| ROYAL BANK OF CANADA | 619,290 | $8.1m | 0.0% |
| Nuveen, LLC | 464,187 | $6.1m | 0.0% |
| CITADEL ADVISORS LLC | 414,880 | $5.4m | 0.0% |
| CenterBook Partners LP | 413,983 | $5.4m | 0.3% |
| Trexquant Investment LP | 382,525 | $5.0m | 0.0% |
| NORTHERN TRUST CORP | 348,134 | $4.6m | 0.0% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 303,624 | $4.0m | 0.0% |
| PANAGORA ASSET MANAGEMENT INC | 287,735 | $3.8m | 0.0% |
| AQR CAPITAL MANAGEMENT LLC | 286,438 | $3.8m | 0.0% |