Campbell & CO Investment Adviser LLC

Position in HAL — Halliburton Co

CIK 1353570 BALTIMORE, MD

Position in HAL

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$721,392

-$2,186,339 QoQ

Shares Held

18,502

-83.9% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2021

12 quarters on record

Voting authority Sole 0.ToString("F0")% Shared 0.ToString("F0")% None 100.ToString("F0")%

Energy · as of Mar 31, 2026

Campbell & CO Investment Adviser LLC holds $30,758,667 across 14 Oil & Gas Equipment & Services names. HAL ranks #8 (2.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BKR	Baker Hughes Co	146,493	$8,943,397
2	NOV	NOV Inc.	290,399	$5,462,405
3	WHD	Cactus, Inc.	64,989	$3,078,528
4	AROC	Archrock, Inc.	84,021	$2,923,930
5	FTI	TechnipFMC plc	35,515	$2,455,151
6	TS	Tenaris SA	41,043	$2,387,881
7	OIS	Oil States International, Inc	129,947	$1,512,583
8	HAL	Halliburton Co This page	18,502	$721,392

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$721,392	18,502	-83.9%	Shares	Sole	2026-05-15
2025-03-31	$2,907,731	114,613	-18.5%	Shares	Sole	2025-05-14
2024-09-30	$4,087,654	140,711	+135.8%	Shares	Sole	2024-11-12
2024-06-30	$2,015,652	59,670	+104.0%	Shares	Sole	2024-08-13
2024-03-31	$1,152,995	29,249	-20.4%	Shares	Sole	2024-05-10
2023-12-31	$1,328,440	36,748	+104.6%	Shares	Sole	2024-02-13
2023-09-30	$727,258	17,957	-34.9%	Shares	Sole	2023-11-08
2023-06-30	$910,425	27,597	+105.2%	Shares	Sole	2023-08-11
2023-03-31	$425,526	13,449	-79.0%	Shares	Sole	2023-05-11
2022-09-30	$1,573,316	63,904	+130.1%	Shares	Sole	2022-11-14
2022-06-30	$871,055	27,776	+97.0%	Shares	Sole	2022-08-09
2021-06-30	$325,992	14,100	—	Shares	Sole	2021-08-11
No filing history on record for this holder in this stock.