RHUMBLINE ADVISERS

Position in CLB — Core Laboratories Inc. /DE/

CIK 1115418 BOSTON, MA

Position in CLB

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$1,335,928

-$1,000,131 QoQ

Shares Held

114,672

-17.6% QoQ

Ownership

0.250%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#40

of 186 holders

Holding Since

Jun 2023

13 quarters on record

Voting authority Sole 50% Shared 0% None 50%

Energy · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $472,288,147 across 35 Oil & Gas Equipment & Services names. CLB ranks #24 (0.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SLB	Slb Limited/Nv	2,498,890	$116,173,396
2	BKR	Baker Hughes Co	1,658,227	$92,031,598
3	FTI	TechnipFMC plc	1,117,167	$74,068,172
4	HAL	Halliburton Co	1,474,336	$50,053,707
5	NOV	NOV Inc.	949,723	$17,617,361
6	AROC	Archrock, Inc.	429,241	$17,474,401
7	KGS	Kodiak Gas Services, Inc.	227,157	$17,066,305
8	WFRD	Weatherford International plc	188,812	$15,388,178

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,335,928	114,672	-17.6%	Shares	Sole	2026-08-12
2026-03-31	$2,336,059	139,134	+3.1%	Shares	Sole	2026-05-12
2025-12-31	$2,163,104	134,941	-4.7%	Shares	Sole	2026-02-13
2025-09-30	$1,750,942	141,662	+1.0%	Shares	Sole	2025-11-06
2025-06-30	$1,615,345	140,221	+1.2%	Shares	Sole	2025-08-12
2025-03-31	$2,077,763	138,610	+1.7%	Shares	Sole	2025-05-29
2024-12-31	$2,358,210	136,234	-1.0%	Shares	Sole	2025-05-29
2024-09-30	$2,549,264	137,575	+0.2%	Shares	Sole	2024-11-12
2024-06-30	$2,785,045	137,262	-5.1%	Shares	Sole	2024-08-01
2024-03-31	$2,469,409	144,579	+1.5%	Shares	Sole	2024-05-09
2023-12-31	$2,515,031	142,414	-0.5%	Shares	Sole	2024-02-08
2023-09-30	$3,436,815	143,141	+2.7%	Shares	Sole	2023-11-09
2023-06-30	$3,241,933	139,438	—	Shares	Sole	2023-08-08
No filing history on record for this holder in this stock.