| 2.28 |  +0.10 / +4.59% |
Data as of 3:59pm ET | Day’s Change |
| 2.28 |  0.00 / 0.00% |
Volume: 5.6K |
| Individual stakeholders | 9.87% |
| Mutual fund holders | 9.08% |
| Other institutional | 28.05% |
| 3/31/2013 | VERITION FUND MANAGEMENT LLC Bought 1.1 Million shares of Mattson Technology Inc |
| 3/31/2013 | TFS CAPITAL LLC Bought 177.0 Thousand shares of Mattson Technology Inc |
| 3/31/2013 | MILLENNIUM MANAGEMENT LLC Bought 136.8 Thousand shares of Mattson Technology Inc |
| Stockholder | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| Potomac Capital Management LLC | 7.32% | 4,298,049 | 8,467,157 | -501,734 | -10.45% |
| Donald Smith & Co., Inc. | 6.22% | 3,653,556 | 7,197,505 | -78,828 | -2.11% |
| BlackRock Fund Advisors | 6.10% | 3,580,879 | 7,054,332 | -32,075 | -0.89% |
| The Vanguard Group, Inc. | 2.07% | 1,213,464 | 2,390,524 | +78,082 | +6.88% |
| Dimensional Fund Advisors, Inc. | 1.91% | 1,123,111 | 2,212,529 | -4,763 | -0.42% |
| Verition Fund Management LLC | 1.81% | 1,065,563 | 2,099,159 | +1,065,563 | -- |
| Northern Trust Investments, Inc. | 1.31% | 771,348 | 1,519,556 | +4,969 | +0.65% |
| SSgA Funds Management, Inc. | 1.17% | 688,685 | 1,356,709 | +3,300 | +0.48% |
| TFS Capital LLC | 1.08% | 633,152 | 1,247,309 | +177,010 | +38.81% |
| PanAgora Asset Management, Inc. | 0.87% | 509,001 | 1,002,732 | 0 | 0.00% |
| Mutual fund | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| iShares Russell 2000 Index Fund | 1.49% | 876,673 | 1,727,046 | -37,961 | -4.15% |
| Vanguard Total Stock Market Index... | 1.24% | 725,691 | 1,429,611 | +72,731 | +11.14% |
| iShares Russell 2000 Value Index ... | 0.76% | 447,495 | 881,565 | -2,520 | -0.56% |
| TFS Market Neutral Fund | 0.60% | 354,183 | 697,741 | -71,990 | -16.89% |
| Vanguard Extended Market Index Fu... | 0.43% | 252,809 | 498,034 | 0 | 0.00% |
| CREF Stock Account | 0.37% | 217,209 | 427,902 | 0 | 0.00% |
| Tanaka Growth Fund | 0.36% | 211,750 | 417,148 | 0 | 0.00% |
| DFA US Micro Cap Portfolio | 0.33% | 193,251 | 380,704 | 0 | 0.00% |
| DFA US Small Cap Portfolio | 0.24% | 142,298 | 280,327 | 0 | 0.00% |
| Fidelity Spartan Extended Market ... | 0.23% | 136,613 | 269,128 | 0 | 0.00% |
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