Core Laboratories Inc.

CLB

Exchange: NYSE
Industry: Oil & Gas Field Services, NEC
SEC CIK: 0001958086

SEC filings (opens in a new tab)

In the last 90 days, Core Laboratories Inc. insiders filed 1 open-market purchase and 0 sales; 186 institutions reported holding it in 13F filings for Q2 2026, worth $612.8M in total; no superinvestor holds it.

Q1 2026 vs. Q4 2025

How the institutions holding Core Laboratories Inc. changed between Q4 2025 and Q1 2026.

All holders in Q1 2026 All holders in Q4 2025

13F holders of CLB: Q4 2025 compared with Q1 2026
Measure	Q4 2025	Of which not filed for Q1 2026	Q1 2026	Change
Holders	189	4	190	+5
Shares	50.2M	3.09M	50.5M	+3.46M (+7.4%)
Value	$804.2M	$49.6M	$848.4M	+$93.8M (+12.4%)

4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (24)

Institutions that held Core Laboratories Inc. at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to CLB in Q1 2026
Institution	Shares	Value	% of portfolio
Vanguard Capital Management LLC	1,619,863	$27.2M	0.00%
Vanguard Portfolio Management LLC	1,254,836	$21.1M	0.00%
Vanguard Fiduciary Trust Co	289,562	$4.86M	0.00%
Heartland Advisors Inc	150,000	$2.52M	0.13%
Marshall Wace, LLP	117,744	$1.98M	0.00%
Jump Financial, LLC	96,200	$1.62M	0.02%
Connor, Clark & Lunn Investment Management Ltd.	29,541	$496.0K	0.00%
Vanguard Asset Management, Ltd	28,771	$483.1K	0.00%
Vanguard Global Advisers, LLC	19,660	$330.1K	0.00%
Pathstone Holdings, LLC	10,350	$173.8K	0.00%
Centiva Capital, LP	10,316	$173.2K	0.01%
Vanguard Investments Australia, Ltd.	10,100	$169.6K	0.00%
Vident Advisory, LLC	10,019	$168.2K	0.00%
Clear Street Markets LLC	1,872	$31.4K	0.02%
Quantbot Technologies LP	992	$16.7K	0.00%
Harbor Capital Advisors, Inc.	509	$9.00K	0.00%
Twin Peaks Wealth Advisors, LLC	265	$4.45K	0.00%
Advisory Services Network, LLC	127	$2.13K	0.00%
Root Financial Partners, LLC	63	$1.06K	0.00%
Kilter Group LLC	60	$1.01K	0.00%
Larson Financial Group LLC	54	$907	0.00%
Keating Financial Advisory Services, Inc.	52	$873	0.00%
Stone House Investment Management, LLC	22	$369	0.00%
MAI Capital Management	4	$68	0.00%

Sold out (19)

Institutions that held Core Laboratories Inc. at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of CLB in Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
HRT Financial LP	126,056	$2.02M
Archon Capital Management LLC	117,252	$1.88M
XTX Topco Ltd	54,273	$870.0K
Trexquant Investment LP	53,831	$862.9K
Squarepoint Ops LLC	30,514	$489.1K
Aquatic Capital Management LLC	23,595	$378.2K
Gsa Capital Partners LLP	14,306	$229.0K
Cornerstone Investment Partners, LLC	11,381	$182.4K
Canada Pension Plan Investment Board	8,700	$139.5K
Quest Partners LLC	8,451	$135.5K
Platinum Investment Management Ltd	4,196	$67.3K
Aster Capital Management (DIFC) Ltd	2,098	$33.6K
Public Employees Retirement System of Ohio	1,223	$19.6K
TCTC Holdings, LLC	600	$9.62K
Optiver Holding B.V.	170	$2.73K
Massmutual Trust Co FSB	104	$1.67K
Group One Trading, L.P.	52	$834
Abound Wealth Management	8	$129
Torren Management, LLC	0	$1

Not filed for Q1 2026 yet (4)

Institutions that held Core Laboratories Inc. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CLB in Q4 2025 that haven't filed for Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
Vanguard Group Inc	3,079,882	$49.4M
Comerica Bank	11,181	$179.2K
Global Retirement Partners, LLC	95	$1.52K
CIBC Private Wealth Group, LLC	61	$978