| SC 13G/A | 2021-02-11 | DODGE & COX | NOV Inc. | 16,466,332 | 4.2% | EDGAR |
| SC 13G/A | 2021-02-10 | VANGUARD GROUP INC | NOV Inc. | 44,123,045 | 11.4% | EDGAR |
| SC 13G/A | 2021-02-10 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | NOV Inc. | 28,053,432 | 7.2% | EDGAR |
| SC 13G/A | 2021-02-10 | First Eagle Investment Management, LLC | NOV Inc. | 33,564,211 | 8.6% | EDGAR |
| SC 13G | 2021-02-10 | STATE STREET CORP | NOV Inc. | - | 5.4% | EDGAR |
| SC 13G/A | 2021-01-29 | BlackRock Inc. | NOV Inc. | 23,670,470 | 6.1% | EDGAR |
| SC 13G/A | 2021-01-29 | PZENA INVESTMENT MANAGEMENT LLC | NOV Inc. | 39,523,272 | 10.2% | EDGAR |
| SC 13G/A | 2020-11-09 | PZENA INVESTMENT MANAGEMENT LLC | NATIONAL OILWELL VARCO INC | 39,498,258 | 10.2% | EDGAR |
| SC 13G/A | 2020-02-14 | HARRIS ASSOCIATES L P | NATIONAL OILWELL VARCO INC | 11,020,680 | 2.9% | EDGAR |
| SC 13G/A | 2020-02-14 | Vulcan Value Partners, LLC | NATIONAL OILWELL VARCO INC | 26,584,279 | 6.9% | EDGAR |
| SC 13G | 2020-02-13 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | NATIONAL OILWELL VARCO INC | 21,010,372 | 5.4% | EDGAR |
| SC 13G | 2020-02-13 | DODGE & COX | NATIONAL OILWELL VARCO INC | 22,776,867 | 5.9% | EDGAR |
| SC 13G/A | 2020-02-12 | VANGUARD GROUP INC | NATIONAL OILWELL VARCO INC | 43,862,566 | 11.4% | EDGAR |
| SC 13G/A | 2020-02-10 | First Eagle Investment Management, LLC | NATIONAL OILWELL VARCO INC | 23,671,466 | 6.1% | EDGAR |
| SC 13G/A | 2020-02-05 | BlackRock Inc. | NATIONAL OILWELL VARCO INC | 26,730,332 | 6.9% | EDGAR |
| SC 13G | 2020-01-24 | PZENA INVESTMENT MANAGEMENT LLC | NATIONAL OILWELL VARCO INC | 29,696,759 | 7.7% | EDGAR |
| SC 13G/A | 2019-02-14 | HARRIS ASSOCIATES L P | NATIONAL OILWELL VARCO INC | 22,820,259 | 6.0% | EDGAR |
| SC 13G/A | 2019-02-14 | DODGE & COX | NATIONAL OILWELL VARCO INC | 16,133,946 | 4.2% | EDGAR |
| SC 13G/A | 2019-02-14 | Vulcan Value Partners, LLC | NATIONAL OILWELL VARCO INC | 21,718,101 | 5.7% | EDGAR |
| SC 13G/A | 2019-02-13 | STATE STREET CORP | NATIONAL OILWELL VARCO INC | - | 4.9% | EDGAR |