Oil and Gas Field Machinery and Equipment - Latest Activist Disclosures

This table shows recent activist investor (Schedule 13D) filings made in this industry. Any investor or hedge fund that makes an investment with the intention of influencing management is considered an activist investor and must file a 13D.

Date Form Target Company Investor Shares Ownership
(Percent)		 Ownership Change
(Percent)
2025-09-17 13D/A GPUS / Hyperscale Data, Inc. Ault & Company, Inc. 147,520,342 71.49 12.23
2025-09-04 13D/A GPUS / Hyperscale Data, Inc. Ault & Company, Inc. 131,449,069 82.22 845.62
2025-08-08 13D/A SEI / Solaris Energy Infrastructure, Inc. KTR Management Company, LLC 4,114,783 6.10 -49.29
2025-07-30 13D/A SEI / Solaris Energy Infrastructure, Inc. J. Turbines, Inc. 2,114,783 3.10 -66.24
2025-07-09 13D/A KLNG / Koil Energy Solutions, Inc. Smith Ronald Eric 2,149,383 17.80
2025-05-07 13D/A SEI / Solaris Energy Infrastructure, Inc. J. Turbines, Inc. 6,264,783 13.40 -22.80
2025-02-27 13D/A QSEP / QS Energy, Inc. Kyte Cecil Bond 48,504,583 10.33 514.73
2025-01-06 13D/A GPUS / Hyperscale Data, Inc. Ault & Company, Inc. 13,900,765 91.74
2024-10-15 13D KLNG / Koil Energy Solutions, Inc. Goldman Neal I 750,000 6.00
2024-09-13 13D SEI / Solaris Energy Infrastructure, Inc. KTR Management Company, LLC 8,114,783 21.10
2024-09-13 13D SEI / Solaris Energy Infrastructure, Inc. J. Turbines, Inc. 8,114,783 21.10
2024-07-24 13D/A GPUS / Hyperscale Data, Inc. Ault Milton C Iii 214,943,126 85.72 3,441.66
2024-07-24 13D/A KLNG / Koil Energy Solutions, Inc. MAZ Partners LP 636,667 5.20 -23.06
2024-03-06 13D KLNG / Koil Energy Solutions, Inc. Galloway Capital Partners, LLC 985,651 8.29 25.52
2023-11-27 13D KLNG / Koil Energy Solutions, Inc. Galloway Capital Partners, LLC 785,281 6.60
2023-06-30 13D DTI / Drilling Tools International Corporation HHEP-Directional, L.P. 16,481,336 55.40
2023-06-30 13D DTI / Drilling Tools International Corporation Prejean Robert Wayne 1,640,401 5.30
2023-06-30 13D DTI / Drilling Tools International Corporation Domino Michael Wayne Jr. 1,840,812 6.10
2023-02-21 13D KLNG / Koil Energy Solutions, Inc. MAZ Partners LP 827,496 7.00 -0.04
2022-05-09 13D/A BKR / Baker Hughes Company General Electric Co 44,522,253 4.30 -61.80
2022-02-07 13D/A BKR / Baker Hughes Company General Electric Co 116,548,079 11.20 -30.06
2021-11-18 13D/A FTI / TechnipFMC plc Bpifrance Participations SA 22,119,572 4.90 -15.42
2021-11-04 13D/A BKR / Baker Hughes Company General Electric Co 166,645,919 16.10 -22.14
2021-08-04 13D/A BKR / Baker Hughes Company General Electric Co 214,026,897 20.50 -20.06
2021-04-30 13D/A BKR / Baker Hughes Company General Electric Co 267,746,937 25.70 -14.03
2021-04-01 13D/A FTI / TechnipFMC plc Bpifrance Participations SA 26,151,539 5.80 -0.06
2021-02-19 13D/A FTI / TechnipFMC plc Bpifrance Participations SA 26,167,644 5.80 5.99
2021-01-25 13D/A BKR / Baker Hughes Company General Electric Co 311,432,660 30.10 -10.88
2020-10-23 13D/A BKR / Baker Hughes Company General Electric Co 349,439,701 33.80 -7.42
2020-07-29 13D/A BKR / Baker Hughes Company General Electric Co 377,427,884 36.50 0.00
2019-10-16 13D QSEP / QS Energy, Inc. Bunting Eric 16,669,611 5.50
2019-09-16 13D/A BKR / Baker Hughes Company General Electric Co 377,427,884 36.80
2019-09-10 13D/A BKR / Baker Hughes Company General Electric Co
2019-08-02 13D/A BKR / Baker Hughes Company General Electric Co 521,543,095 50.20 0.00
2019-08-01 13D/A BKR / Baker Hughes Company General Electric Co 521,543,095 50.20 0.00
2019-06-28 13D/A BKR / Baker Hughes Company General Electric Co 521,543,095 50.30 0.00
2018-11-19 13D/A BKR / Baker Hughes Company General Electric Co 521,543,095 50.40 -24.17
2018-11-13 13D/A BKR / Baker Hughes Company General Electric Co 687,743,095 62.50 0.00
2018-06-27 13D/A BKR / Baker Hughes Company General Electric Co 687,743,095 62.60 -1.25
2018-03-30 13D/A BKR / Baker Hughes Company General Electric Co 696,460,382 62.60
2017-12-01 13D/A BKR / Baker Hughes Company VA Partners I, LLC 19,158,660 4.50
2017-08-08 13D BKR / Baker Hughes Company VA Partners I, LLC 31,407,820 7.30
2017-07-13 13D BKR / Baker Hughes Company General Electric Co 717,110,722 62.60
2017-05-30 13D FTI / TechnipFMC plc Bpifrance Participations SA 24,688,691 5.30
2016-02-23 13D DNOW / DNOW Inc. Fairholme Capital Management Llc 7,206,800 6.70 0.30
2015-04-16 13D/A OIS / Oil States International, Inc. Atlantic Investment Management Inc 2,139,787 4.20
2015-01-30 13D/A OIS / Oil States International, Inc. Atlantic Investment Management Inc 3,850,000 7.20
2014-12-02 13D OIS / Oil States International, Inc. Atlantic Investment Management Inc 2,734,185 5.10
2014-06-27 13D/A OIS / Oil States International, Inc. Jana Partners Llc 2,608,589
2014-06-06 13D/A OIS / Oil States International, Inc. Jana Partners Llc 4,571,228