MARSHALL WACE, LLP

Position in WHD — Cactus, Inc.

CIK 1318757 LONDON, X0

Position in WHD

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

Position Value

$3,499,879

+$3,154,078 QoQ

Shares Held

68,317

+835.8% QoQ

Ownership

0.085%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#91

of 340 holders

Holding Since

Mar 2020

12 quarters on record

Voting authority Sole 0% Shared 100% None 0%

Energy · as of Jun 30, 2026

MARSHALL WACE, LLP holds $284,531,227 across 31 Oil & Gas Equipment & Services names. WHD ranks #13 (1.2% 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

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$3,499,879	68,317	+835.8%	Shares	Other	2026-08-13
2026-03-31	$345,801	7,300	-66.9%	Shares	Other	2026-05-15
2025-12-31	$1,006,650	22,037	-56.9%	Shares	Other	2026-02-13
2025-06-30	$2,233,305	51,082	-42.3%	Shares	Other	2025-08-13
2023-12-31	$4,021,214	88,573	+850.2%	Shares	Other	2024-02-14
2023-06-30	$394,507	9,322	-96.4%	Shares	Other	2023-08-14
2023-03-31	$10,712,172	259,815	+1824.6%	Shares	Other	2023-05-15
2022-09-30	$518,805	13,500	-96.0%	Shares	Other	2022-11-14
2020-12-31	$8,805,116	337,749	-8.6%	Shares	Sole	2021-02-16
2020-09-30	$7,089,860	369,456	-32.8%	Shares	Sole	2020-11-16
2020-06-30	$11,343,405	549,850	-7.3%	Shares	Sole	2020-08-13
2020-03-31	$6,879,414	593,053	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.