HEARTLAND ADVISORS INC

Position in CLB — Core Laboratories Inc. /DE/

CIK 937394 MILWAUKEE, WI

Position in CLB

as of Mar 31, 2026 · filed May 6, 2026 Compact

Position Value

$2,518,500

New position

Shares Held

150,000

first reported quarter

Ownership

0.325%

of shares outstanding

% of Portfolio

0.13%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2026

1 quarter on record

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

Energy · as of Mar 31, 2026

HEARTLAND ADVISORS INC holds $41,570,015 across 4 Oil & Gas Equipment & Services names. CLB ranks #4 (6.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	NOV	NOV Inc.	1,194,332	$22,465,384
2	INVX	Innovex International, Inc.	407,332	$9,934,827
3	SLB	Slb Limited/Nv	129,428	$6,651,304
4	CLB	Core Laboratories Inc. /DE/ This page	150,000	$2,518,500

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,518,500	150,000	—	Shares	Defined	2026-05-06
No filing history on record for this holder in this stock.