MARSHALL WACE, LLP

Position in KLXE — KLX Energy Services Holdings, Inc.

CIK 1318757 LONDON, X0

Position in KLXE

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$1,406,607

+$437,076 QoQ

Shares Held

545,197

+46.2% QoQ

Ownership

2.56%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

of 63 holders

Holding Since

Jun 2022

10 quarters on record

Voting authority Sole 0% Shared 100% None 0%

Energy · as of Jun 30, 2026

MARSHALL WACE, LLP holds $276,258,437 across 31 Oil & Gas Equipment & Services names. KLXE ranks #21 (0.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	HAL	Halliburton Co	1,243,046	$42,201,409
2	TS	Tenaris SA	704,368	$39,085,379
3	BKR	Baker Hughes Co	643,985	$35,741,167
4	SEI	Solaris Energy Infrastructure, Inc.	431,871	$34,748,339
5	WBI	WaterBridge Infrastructure LLC	705,798	$24,187,697
6	SLB	Slb Limited/Nv	498,824	$23,190,327
7	NOV	NOV Inc.	898,123	$16,660,181
8	KGS	Kodiak Gas Services, Inc.	207,204	$15,567,235

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,406,607	545,197	+46.2%	Shares	Other	2026-08-13
2026-03-31	$969,531	372,897	+191.0%	Shares	Other	2026-05-15
2025-03-31	$448,535	128,153	+113.8%	Shares	Other	2025-05-15
2024-03-31	$463,896	59,935	-45.3%	Shares	Other	2024-05-15
2023-12-31	$1,233,172	109,518	-4.9%	Shares	Other	2024-02-14
2023-09-30	$1,364,326	115,133	+273.9%	Shares	Other	2023-11-14
2023-06-30	$299,645	30,796	-51.0%	Shares	Other	2023-08-14
2023-03-31	$732,808	62,902	+76.5%	Shares	Other	2023-05-15
2022-12-31	$616,911	35,639	-40.5%	Shares	Other	2023-02-14
2022-06-30	$259,535	59,939	—	Shares	Other	2022-08-15
No filing history on record for this holder in this stock.