| SC 13G/A | 2011-02-14 | PRIMECAP MANAGEMENT CO/CA/ | NEUSTAR INC | 6,787,898 | 9.2% | EDGAR |
| SC 13G/A | 2011-02-09 | TimesSquare Capital Management, LLC | NEUSTAR INC | 5,262,861 | 7.1% | EDGAR |
| SC 13G | 2011-01-21 | KORNITZER CAPITAL MANAGEMENT INC /KS | NEUSTAR INC | 4,054,142 | 5.5% | EDGAR |
| SC 13G/A | 2010-07-08 | BlackRock Inc. | NEUSTAR INC | 3,668,643 | 4.9% | EDGAR |
| SC 13G/A | 2010-02-12 | ARONSON & JOHNSON & ORTIZ, LP | NEUSTAR INC | 3,397,700 | 4.6% | EDGAR |
| SC 13G/A | 2010-02-11 | PRIMECAP MANAGEMENT CO/CA/ | NEUSTAR INC | 6,913,313 | 9.3% | EDGAR |
| SC 13G/A | 2010-02-09 | TimesSquare Capital Management, LLC | NEUSTAR INC | 5,240,161 | 7.0% | EDGAR |
| SC 13G/A | 2010-02-05 | LAZARD ASSET MANAGEMENT LLC | NEUSTAR INC | 1,437,890 | 1.9% | EDGAR |
| SC 13G | 2010-01-29 | BlackRock Inc. | NEUSTAR INC | 4,125,444 | 5.6% | EDGAR |
| SC 13G/A | 2009-02-17 | JANUS CAPITAL MANAGEMENT LLC | NEUSTAR INC | 0 | 0.0% | EDGAR |
| SC 13G/A | 2009-02-12 | PRIMECAP MANAGEMENT CO/CA/ | NEUSTAR INC | 6,657,487 | 8.4% | EDGAR |
| SC 13G/A | 2009-02-11 | NEUBERGER BERMAN INC | NEUSTAR INC | 1,381,104 | 1.8% | EDGAR |
| SC 13G | 2009-02-10 | LAZARD ASSET MANAGEMENT LLC | NEUSTAR INC | 4,340,815 | 5.5% | EDGAR |
| SC 13G/A | 2009-02-09 | TimesSquare Capital Management, LLC | NEUSTAR INC | 6,554,390 | 8.3% | EDGAR |
| SC 13G | 2009-02-06 | ARONSON & JOHNSON & ORTIZ, LP | NEUSTAR INC | 4,484,700 | 6.1% | EDGAR |
| SC 13G/A | 2008-06-11 | JANUS CAPITAL MANAGEMENT LLC | NEUSTAR INC | 3,983,465 | 5.1% | EDGAR |
| SC 13G/A | 2008-04-15 | THORNBURG INVESTMENT MANAGEMENT INC | NEUSTAR INC | 0 | 0.0% | EDGAR |
| SC 13G | 2008-04-14 | THORNBURG INVESTMENT MANAGEMENT INC | NEUSTAR INC | 0 | 0.0% | EDGAR |
| SC 13G/A | 2008-02-29 | THORNBURG INVESTMENT MANAGEMENT INC | NEUSTAR INC | 4,550,169 | 5.9% | EDGAR |
| SC 13G/A | 2008-02-14 | TRANSAMERICA INVESTMENT MANAGEMENT LLC | NEUSTAR INC | 3,063,193 | 4.0% | EDGAR |