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

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

411,882Shares held by institutions

$6,911,380Value of institutional holdings

102.13%Institutional ownership %

3.28%Shares Changed QoQ

188No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Core Laboratories Inc. /DE/ (NYSE:CLB) has 182 institutional investors that have filed 13F reports for the period ending December 2025.

These investors collectively held 108.4% of Core Laboratories's outstanding shares in December 2025, down from 109.6% in September 2025.
They increased total shares held in Core Laboratories by 0.5% from last quarter, and the number of investors in CLB decreased 12.08% annually.
Of these 182 funds, 75 grew their exposure to Core Laboratories, 79 cut back, and 28 maintained positions.
Combined, these investors held 51.05Mn shares in CLB for December 2025, up by 256.4K shares quarter on quarter, and down 1.76Mn shares year over year.
As of December 31, 2025, ARIEL INVESTMENTS, LLC held the largest stake in Core Laboratories with 13.66Mn shares, accounting for 29.02% of total shares outstanding.
The biggest buyers of Core Laboratories for the quarter ending December 2025 included T. Rowe Price Investment Management, Inc. (1.07Mn), 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).
The largest sellers of Core Laboratories for the quarter ending December 2025 were DISCIPLINED GROWTH INVESTORS INC /MN (802.95K), Bank Of America Corp /De/ (545.98K), ROYCE & ASSOCIATES LP (233.73K), HRT FINANCIAL LP (223.49K), EARNEST PARTNERS LLC (206.62K).
According to Business Quant data, leading holders of CLB for December 2025 are 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), T. Rowe Price Investment Management, Inc. (1.98Mn), DIMENSIONAL FUND ADVISORS LP (1.23Mn), GEODE CAPITAL MANAGEMENT, LLC (1.11Mn), Goldman Sachs Group Inc (845.25K).

182 Institutional Holders

411,882 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	-104,342	-1.44%	$0.00
ARIEL INVESTMENTS, LLC	31 Dec, 2025	-112,568	-0.82%	$0.00
T. Rowe Price Investment Management, Inc.	31 Dec, 2025	1,072,954	118.15%	$0.00
Barclays Plc	31 Dec, 2025	-77,191	-51.31%	$0.00
DISCIPLINED GROWTH INVESTORS INC /MN	31 Dec, 2025	-802,946	-13.45%	$0.00
CWA Asset Management Group, LLC	31 Dec, 2025	622,453	0.00%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	-205	-33.77%	$0.00
EARNEST PARTNERS LLC	31 Dec, 2025	-206,616	-6.03%	$0.00
UBS Group AG	31 Dec, 2025	102,151	32.91%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	32,492	1.07%	$0.00
MAC Alpha Capital Management, LP	31 Dec, 2025	312,928	0.00%	$0.00
State Street Corp	31 Dec, 2025	64,831	3.28%	$0.00
Russell Investments Group, Ltd.	31 Dec, 2025	-89,952	-36.65%	$0.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	118,535	10.67%	$0.00
Nuveen, LLC	31 Dec, 2025	-1,891	-1.22%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	8,497	0.77%	$0.00
Quantinno Capital Management LP	31 Dec, 2025	36,325	114.47%	$0.00
Goldman Sachs Group Inc	31 Dec, 2025	548,657	184.99%	$0.00
BWM Planning, LLC	31 Dec, 2025	0	0.00%	$0.00
Fisher Asset Management, LLC	31 Dec, 2025	-49,600	-6.02%	$0.00

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