MARSHALL WACE, LLP

Position in OIS — Oil States International, Inc

CIK 1318757 LONDON, X0

Position in OIS

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

Position Value

$1,935,494

-$8,921,970 QoQ

Shares Held

241,635

-74.1% QoQ

Ownership

0.401%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#43

of 201 holders

Holding Since

Mar 2020

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. OIS ranks #19 (0.7% 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	$1,935,494	241,635	-74.1%	Shares	Other	2026-08-13
2026-03-31	$10,857,464	932,772	+889.6%	Shares	Other	2026-05-15
2025-06-30	$505,196	94,253	+392.0%	Shares	Other	2025-08-13
2024-12-31	$96,944	19,159	-92.7%	Shares	Other	2025-02-13
2024-06-30	$1,169,433	263,386	-29.8%	Shares	Other	2024-08-14
2024-03-31	$2,310,258	375,042	+2953.8%	Shares	Other	2024-05-15
2020-12-31	$61,650	12,281	-84.0%	Shares	Sole	2021-02-16
2020-09-30	$209,541	76,755	-54.7%	Shares	Sole	2020-11-16
2020-06-30	$805,006	169,475	+129.3%	Shares	Sole	2020-08-13
2020-03-31	$150,063	73,923	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.