| SC 13G | 2016-02-12 | FMR LLC | TESCO CORP | 3,149,216 | 8.1% | EDGAR |
| SC 13G/A | 2016-02-11 | WELLINGTON MANAGEMENT GROUP LLP | TESCO CORP | 5,460,779 | 14.0% | EDGAR |
| SC 13G/A | 2016-02-10 | FMR LLC | TESCO CORP | 4,453,154 | 11.4% | EDGAR |
| SC 13G/A | 2016-02-10 | VANGUARD GROUP INC | TESCO CORP | 2,899,736 | 7.4% | EDGAR |
| SC 13G/A | 2016-02-09 | DIMENSIONAL FUND ADVISORS LP | TESCO CORP | 2,300,177 | 5.9% | EDGAR |
| SC 13G/A | 2016-02-08 | PRICE T ROWE ASSOCIATES INC /MD/ | TESCO CORP | 5,535,610 | 14.1% | EDGAR |
| SC 13G/A | 2016-01-08 | BlackRock Inc. | TESCO CORP | 3,958,224 | 10.1% | EDGAR |
| SC 13G | 2015-06-08 | WELLINGTON MANAGEMENT GROUP LLP | TESCO CORP | 4,604,966 | 11.8% | EDGAR |
| SC 13D/A | 2015-04-16 | LRP V Luxembourg Holdings S.a r.l. | TESCO CORP | 0 | 0.0% | EDGAR |
| SC 13G/A | 2015-02-17 | Dos Mil Doscientos Uno, S.L. | TESCO CORP | 2,010,000 | 5.1% | EDGAR |
| SC 13G/A | 2015-02-11 | PRICE T ROWE ASSOCIATES INC /MD/ | TESCO CORP | 5,671,380 | 14.3% | EDGAR |
| SC 13G | 2015-02-10 | VANGUARD GROUP INC | TESCO CORP | 2,186,116 | 5.5% | EDGAR |
| SC 13G | 2015-02-05 | DIMENSIONAL FUND ADVISORS LP | TESCO CORP | 2,099,257 | 5.3% | EDGAR |
| SC 13G/A | 2015-01-23 | BlackRock Inc. | TESCO CORP | 3,245,293 | 8.2% | EDGAR |
| SC 13G | 2014-12-10 | PRICE T ROWE ASSOCIATES INC /MD/ | TESCO CORP | 5,634,995 | 14.2% | EDGAR |
| SC 13D/A | 2014-12-02 | LRP V Luxembourg Holdings S.a r.l. | TESCO CORP | 3,241,617 | 8.2% | EDGAR |
| SC 13D/A | 2014-06-11 | LRP V Luxembourg Holdings S.a r.l. | TESCO CORP | 3,241,617 | 8.1% | EDGAR |
| SC 13D/A | 2014-03-12 | LRP V Luxembourg Holdings S.a r.l. | TESCO CORP | 4,307,799 | 10.8% | EDGAR |
| SC 13G/A | 2014-03-07 | Bank of New York Mellon Corp | TESCO CORP | 1,779,868 | 4.5% | EDGAR |
| SC 13G | 2014-02-18 | Dos Mil Doscientos Uno, Ltd. | TESCO CORP | 1,995,000 | 5.1% | EDGAR |