Disciplined Growth Investors Inc /Mn

13F Holdings History for Core Laboratories Inc. /DE/ - Common Stock SH (CLB)

Symbol: CLB on NYSE
Investment type: Equity / Common Stock SH
Latest Disclosed Ownership: 5.97M shares
Security Ownership: 12.8%

Shares, Excluding Options vs Price

Value, Excluding Options

DISCIPLINED GROWTH INVESTORS INC /MN ownership in Core Laboratories Inc. /DE/ Common Stock SH (CLB)

2025-11-14 - DISCIPLINED GROWTH INVESTORS INC /MN has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 5.97M shares of Core Laboratories Inc. /DE/ Common Stock SH (CLB). This represents 12.8% percent ownership of the company. In their previous filing dated 2025-08-14, DISCIPLINED GROWTH INVESTORS INC /MN had reported owning 5.44M shares, indicating an increase of 9.72% percent.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
DISCIPLINED GROWTH INVESTORS INC /MN	12.8%	+10%	$73.8M	5.97M	+528,976	+9.72%	$12.36	13G/A	9/30/2025	14 Nov 2025 15:42:50
DISCIPLINED GROWTH INVESTORS INC /MN	11.6%	-0.83%	$56.3M	5.44M	-50,838	-0.93%	$10.34	13G/A	6/30/2025	14 Aug 2025 17:27:54
DISCIPLINED GROWTH INVESTORS INC /MN	11.7%		$69.9M	5.49M	-11,929	-0.22%	$12.73	13G/A	3/31/2025	15 May 2025 16:10:06
DISCIPLINED GROWTH INVESTORS INC /MN	11.7%	-2.5%	$70.1M	5.5M	-149,940	-2.65%	$12.73	13G/A	12/31/2024	14 Feb 2025 14:44:58
DISCIPLINED GROWTH INVESTORS INC /MN	12%		$72M	5.65M			$12.73	13G	9/30/2024	14 Nov 2024 17:01:32

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
9/30/2025	1.34%	+0.12%	$73.8M	5.97M	+528,976	+9.72%	$12.36	Q3 2025
6/30/2025	1.2%	-0.01%	$62.7M	5.44M	-50,838	-0.93%	$11.52	Q2 2025
3/31/2025	1.7%	0%	$82.3M	5.49M	-11,929		$14.99	Q1 2025
12/31/2024	1.81%	-0.05%	$95.3M	5.5M	-149,940	-2.65%	$17.31	Q4 2024
9/30/2024	1.98%	+0.42%	$105M	5.65M	+1,192,871	+26.7%	$18.53	Q3 2024
6/30/2024	1.7%	+1.35%	$90.5M	4.46M	+3,644,963	+447%	$20.29	Q2 2024
3/31/2024	0.25%	+0.02%	$13.9M	816K	+63,390	+8.43%	$17.08	Q1 2024
12/31/2023	0.29%	+0.01%	$13.3M	752K	+13,983	+1.89%	$17.66	Q4 2023
9/30/2023	0.42%	-0.01%	$17.7M	738K	-20,808	-2.74%	$24.01	Q3 2023
6/30/2023	0.4%	-0.02%	$17.7M	759K	-36,292	-4.56%	$23.25	Q2 2023
3/31/2023	0.45%	+0.45%	$17.5M	795K	+795,484	NEW	$22.05	Q1 2023

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.