| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2010-02-16 | LONE PINE CAPITAL LLC | TERADATA CORP /DE/ | - | 0.0% | EDGAR |
| SC 13G | 2010-02-12 | MORGAN STANLEY | TERADATA CORP /DE/ | 10,526,135 | 6.1% | EDGAR |
| SC 13G/A | 2010-02-09 | DELAWARE MANAGEMENT HOLDINGS CO INC | TERADATA CORP /DE/ | 9,704,466 | 5.7% | EDGAR |
| SC 13G | 2010-01-29 | BlackRock Inc. | TERADATA CORP /DE/ | 10,277,669 | 6.0% | EDGAR |
| SC 13G/A | 2009-05-01 | SAMANA CAPITAL, L.P. | TERADATA CORP /DE/ | 8,958,208 | 5.2% | EDGAR |
| SC 13G | 2009-02-23 | MORTON HOLDINGS, INC. | TERADATA CORP /DE/ | 11,328,106 | 6.4% | EDGAR |
| SC 13G/A | 2009-02-13 | LONE PINE CAPITAL LLC | TERADATA CORP /DE/ | 84,198 | 0.1% | EDGAR |
| SC 13G/A | 2009-02-13 | CRAMER ROSENTHAL MCGLYNN LLC | TERADATA CORP /DE/ | 5,210,361 | 3.0% | EDGAR |
| SC 13G/A | 2009-02-06 | DELAWARE MANAGEMENT HOLDINGS CO INC | TERADATA CORP /DE/ | 13,147,669 | 7.5% | EDGAR |
| SC 13G | 2009-02-05 | BARCLAYS GLOBAL INVESTORS NA /CA/ | TERADATA CORP /DE/ | 10,703,491 | 6.1% | EDGAR |
| SC 13G | 2008-02-22 | LONE PINE CAPITAL LLC | TERADATA CORP /DE/ | 109,034 | 0.1% | EDGAR |
| SC 13G | 2008-02-14 | CRAMER ROSENTHAL MCGLYNN LLC | TERADATA CORP /DE/ | 9,449,239 | 5.2% | EDGAR |
| SC 13G/A | 2008-02-08 | DELAWARE MANAGEMENT HOLDINGS CO INC | TERADATA CORP /DE/ | 14,447,648 | 8.0% | EDGAR |
| SC 13G | 2007-11-13 | DELAWARE MANAGEMENT HOLDINGS CO INC | TERADATA CORP /DE/ | 13,672,319 | 7.5% | EDGAR |