Campbell & CO Investment Adviser LLC

Position in CLB — Core Laboratories Inc. /DE/

CIK 1353570 BALTIMORE, MD

Position in CLB

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

Position Value

$677,879

+$349,601 QoQ

Shares Held

40,374

+97.1% QoQ

Ownership

0.088%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2023

7 quarters on record

Voting authority Sole 0% Shared 0% None 100%

Energy · as of Jun 30, 2026

Campbell & CO Investment Adviser LLC holds $13,340,259 across 6 Oil & Gas Equipment & Services names.

#	Ticker	Company	Shares	Value (USD)
1	HAL	Halliburton Co	171,396	$5,818,894
2	FTI	TechnipFMC plc	44,953	$2,980,383
3	TS	Tenaris SA	46,579	$2,584,668
4	EFXT	Enerflex Ltd.	34,198	$838,192
5	OIS	Oil States International, Inc	71,946	$576,287
6	TDW	Tidewater Inc	8,132	$541,835

7 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$677,879	40,374	+97.1%	Shares	Sole	2026-05-15
2025-12-31	$328,278	20,479	+33.3%	Shares	Sole	2026-02-12
2025-09-30	$189,886	15,363	-40.5%	Shares	Sole	2025-10-28
2025-06-30	$297,573	25,831	+66.6%	Shares	Sole	2025-08-07
2024-03-31	$264,757	15,501	-74.5%	Shares	Sole	2024-05-10
2023-12-31	$1,074,469	60,842	-17.4%	Shares	Sole	2024-02-13
2023-09-30	$1,769,152	73,684	—	Shares	Sole	2023-11-08
No filing history on record for this holder in this stock.