Core Laboratories Inc. /DE/ (CLB) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

45,932,258Shares Outstanding

311,978Shares held by institutions

$5,849,588Value of institutional holdings

108.39%Institutional ownership %

-0.83%Shares Changed QoQ

179No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 179 institutions have reported a stake in Core Laboratories Inc. /DE/ (NYSE:CLB) as of December 2025, according to recent 13F filings with the SEC.

The collective stake of institutional investors in Core Laboratories moved to 108.4% in December 2025, a shift down from the 111.5% reported for September 2025.
The company experienced a -0.83% quarterly change in institutional shares held, alongside a decrease of 13.53% in total owners annually.
Among the 179 institutional holders of Core Laboratories, 76 added to their stakes while 76 trimmed their positions and 27 held steady.
Collectively, institutional investors decreased their stake in Core Laboratories to 49.79Mn shares as of December 2025, a change that is down by 417.29K shares quarter on quarter and down 1.02Mn shares year over year.
ARIEL INVESTMENTS, LLC continues to be the largest institutional holder of Core Laboratories as of December 31, 2025, with a position of 13.66Mn shares, representing 29.74% of the company's outstanding stock.
Among the most significant buyers of Core Laboratories during December 2025 were CWA Asset Management Group, LLC (622.45K), GOLDMAN SACHS GROUP INC (548.66K), MAC Alpha Capital Management, LP (312.93K), AMERICAN CENTURY COMPANIES INC (153.46K), RENAISSANCE TECHNOLOGIES LLC (149.22K).
Leading sellers of Core Laboratories stock in December 2025 included DISCIPLINED GROWTH INVESTORS INC /MN (802.95K), ROYCE & ASSOCIATES LP (233.73K), HRT FINANCIAL LP (223.49K), EARNEST PARTNERS LLC (206.62K), BANK OF AMERICA CORP /DE/ (202.64K).
The top 10 institutional holders of Core Laboratories for the quarter ending December 2025 included ARIEL INVESTMENTS, LLC (13.66Mn), BlackRock, Inc. (7.15Mn), DISCIPLINED GROWTH INVESTORS INC /MN (5.17Mn), EARNEST PARTNERS LLC (3.22Mn), VANGUARD GROUP INC (3.08Mn), STATE STREET CORP (2.04Mn), DIMENSIONAL FUND ADVISORS LP (1.23Mn), GEODE CAPITAL MANAGEMENT, LLC (1.11Mn), T. Rowe Price Investment Management, Inc. (938.90K), GOLDMAN SACHS GROUP INC (845.25K).

179 Institutional Holders

311,978 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
ARIEL INVESTMENTS, LLC	31 Dec, 2025	13,661,000	-112,568	-0.82%	$218,985,830.00
BlackRock, Inc.	31 Dec, 2025	7,153,543	-104,342	-1.44%	$114,671,291.00
DISCIPLINED GROWTH INVESTORS INC /MN	31 Dec, 2025	5,166,914	-802,946	-13.45%	$82,825,631.00
EARNEST PARTNERS LLC	31 Dec, 2025	3,221,043	-206,616	-6.03%	$51,633,319.00
VANGUARD GROUP INC	31 Dec, 2025	3,079,882	32,492	1.07%	$49,370,508.00
STATE STREET CORP	31 Dec, 2025	2,041,740	64,831	3.28%	$32,729,092.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	1,229,611	118,535	10.67%	$19,710,970.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,114,935	8,497	0.77%	$17,875,701.00
T. Rowe Price Investment Management, Inc.	31 Dec, 2025	938,904	30,746	3.39%	$15,051.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	845,251	548,657	184.99%	$13,549,373.00
Fisher Asset Management, LLC	31 Dec, 2025	774,979	-49,600	-6.02%	$12,422,912.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	737,550	80,307	12.22%	$11,822,927.00
GENDELL JEFFREY L	31 Dec, 2025	648,460	78,989	13.87%	$10,394,814.00
CWA Asset Management Group, LLC	31 Dec, 2025	622,453	622,453	0.00%	$9,977,922.00
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	31 Dec, 2025	551,115	-8,510	-1.52%	$8,834,373.00
NORTHERN TRUST CORP	31 Dec, 2025	543,493	-34,240	-5.93%	$8,712,192.00
MORGAN STANLEY	31 Dec, 2025	485,038	-19,156	-3.80%	$7,775,175.00
UBS Group AG	31 Dec, 2025	412,515	102,151	32.91%	$6,612,617.00
Bank of New York Mellon Corp	31 Dec, 2025	411,643	18,214	4.63%	$6,598,643.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	367,365	153,461	71.74%	$5,888,862.00

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