DISCIPLINED GROWTH INVESTORS INC /MN

Position in CLB — Core Laboratories Inc. /DE/

CIK 1050442 MINNEAPOLIS, MN

Position in CLB

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$35,441,362

-$47,452,798 QoQ

Shares Held

3,042,177

-38.4% QoQ

Ownership

6.63%

of shares outstanding

% of Portfolio

0.60%

of 13F equity value

Holder Rank

of 186 holders

Holding Since

Mar 2023

14 quarters on record

Voting authority Sole 97% Shared 0% None 3%

Energy · as of Jun 30, 2026

DISCIPLINED GROWTH INVESTORS INC /MN holds $35,441,362 across 1 Oil & Gas Equipment & Services name. CLB ranks #1 (100.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	CLB	Core Laboratories Inc. /DE/ This page	3,042,177	$35,441,362

15 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$35,441,362	3,042,177	-38.4%	Shares	Sole	2026-08-14
2026-06-30	$35,441,362	3,042,177	—	Shares	Sole	2026-08-14
2026-03-31	$82,894,160	4,937,115	-4.4%	Shares	Sole	2026-05-15
2025-12-31	$82,825,631	5,166,914	-13.4%	Shares	Sole	2026-02-17
2025-09-30	$73,787,469	5,969,860	+9.7%	Shares	Sole	2025-11-14
2025-06-30	$62,678,983	5,440,884	-0.9%	Shares	Sole	2025-08-14
2025-03-31	$82,320,912	5,491,722	-0.2%	Shares	Sole	2025-05-15
2024-12-31	$95,268,198	5,503,651	-2.7%	Shares	Sole	2025-02-14
2024-09-30	$104,761,041	5,653,591	+26.7%	Shares	Sole	2024-11-15
2024-06-30	$90,508,008	4,460,720	+446.8%	Shares	Sole	2024-08-15
2024-03-31	$13,933,129	815,757	+8.4%	Shares	Sole	2024-05-15
2023-12-31	$13,286,801	752,367	+1.9%	Shares	Sole	2024-02-14
2023-09-30	$17,728,599	738,384	-2.7%	Shares	Sole	2023-11-15
2023-06-30	$17,651,214	759,192	-4.6%	Shares	Sole	2023-08-14
2023-03-31	$17,540,422	795,484	—	Shares	Sole	2023-05-15
No filing history on record for this holder in this stock.