| 17.70 Real-Time Quote |  -0.005 / -0.03%Today’s Change | 12.95 Today|||52-Week Range 17.80 | +4.83% Year-to-Date |
| Mutual fund holders | 67.82% |
| Other institutional | 43.57% |
| Individual stakeholders | 0.95% |
| 3/31/2013 | CITADEL ADVISORS LLC Bought 6.7 Million shares of Teradyne Inc |
| 3/31/2013 | BLACKROCK ADVISORS LLC Bought 3.4 Million shares of Teradyne Inc |
| 3/31/2013 | THOMPSON, SIEGEL & WALMSLEY LLC Bought 1.8 Million shares of Teradyne Inc |
| Stockholder | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| Royce & Associates LLC | 9.93% | 18,930,002 | 311,209,233 | -1,319,427 | -6.52% |
| The Vanguard Group, Inc. | 6.54% | 12,462,964 | 204,891,128 | -197,420 | -1.56% |
| Columbia Management Investment Ad... | 5.72% | 10,908,454 | 179,334,984 | -1,336,908 | -10.92% |
| Wellington Management Co. LLP | 5.72% | 10,896,182 | 179,133,232 | +368,382 | +3.50% |
| American Century Investment Manag... | 5.43% | 10,345,720 | 170,083,637 | +473,784 | +4.80% |
| BlackRock Fund Advisors | 4.05% | 7,721,436 | 126,940,408 | +397,096 | +5.42% |
| Citadel Advisors LLC | 3.81% | 7,261,138 | 119,373,109 | +6,678,475 | +1,146.20% |
| SSgA Funds Management, Inc. | 3.72% | 7,086,377 | 116,500,038 | +42,410 | +0.60% |
| Eagle Asset Management, Inc. | 3.39% | 6,451,801 | 106,067,608 | -171,158 | -2.58% |
| Baillie Gifford & Co. | 3.13% | 5,964,676 | 98,059,273 | +610,458 | +11.40% |
| Mutual fund | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| Columbia Seligman Communications ... | 3.75% | 7,142,400 | 117,421,056 | 0 | 0.00% |
| Royce Special Equity Fund | 3.30% | 6,281,800 | 103,272,792 | +8,226 | +0.13% |
| Hartford Capital Appreciation Fun... | 2.26% | 4,309,225 | 70,843,659 | 0 | 0.00% |
| American Century Growth Fund | 1.92% | 3,663,400 | 60,226,296 | -91,300 | -2.43% |
| Royce Low Priced Stock Fund | 1.88% | 3,585,596 | 58,947,198 | -764,000 | -17.56% |
| Vanguard Small Cap Index Fund | 1.63% | 3,113,659 | 51,188,554 | +94,505 | +3.13% |
| Vanguard Explorer Fund | 1.47% | 2,806,720 | 46,142,477 | -488,400 | -14.82% |
| Royce Value Fund | 1.46% | 2,776,227 | 45,641,172 | -416,300 | -13.04% |
| Advantage Advisers Xanthus Fund | 1.32% | 2,514,300 | 41,335,092 | -38,500 | -1.51% |
| Vanguard Total Stock Market Index... | 1.32% | 2,508,156 | 41,234,085 | +139,919 | +5.91% |
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