MARSHALL WACE, LLP

Position in RES — Rpc Inc

CIK 1318757 LONDON, X0

Position in RES

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

Position Value

$573,269

+$286,435 QoQ

Shares Held

98,331

+86.5% QoQ

Ownership

0.044%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#64

of 217 holders

Holding Since

Jun 2021

12 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. RES ranks #26 (0.2% 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	$573,269	98,331	+86.5%	Shares	Other	2026-08-13
2025-12-31	$286,834	52,727	-91.3%	Shares	Other	2026-02-13
2024-09-30	$3,875,758	609,396	+13.7%	Shares	Other	2024-11-14
2024-06-30	$3,349,212	535,874	+57.9%	Shares	Other	2024-08-14
2023-06-30	$2,426,381	339,354	+1584.9%	Shares	Other	2023-08-14
2023-03-31	$154,884	20,141	-59.8%	Shares	Other	2023-05-15
2022-09-30	$347,061	50,081	-80.6%	Shares	Other	2022-11-14
2022-06-30	$1,780,478	257,667	+2373.8%	Shares	Other	2022-08-15
2022-03-31	$111,138	10,416	-16.6%	Shares	Other	2022-05-16
2021-12-31	$56,722	12,494	0.0%	Shares	Other	2022-02-14
2021-09-30	$60,720	12,494	0.0%	Shares	Sole	2021-11-15
2021-06-30	$61,845	12,494	—	Shares	Sole	2021-08-13
No filing history on record for this holder in this stock.