Security key
21867A105
Core Laboratories Inc. /DE/ - Common Stock SH (CLB)
CUSIP: 21867A105
Q2 2026 13F Holders as of 30 Jun 2026
- Security type / class
- Equity / Common Stock SH
- Total 13F shares
- 52,689,909
- Total 13F value
- $612,846,047
- Share change
- +2,170,514
- Put/Call ratio
- 2.9%
- SEC-reported price per share
- $11.65
- Number of holders
- 185
- Value change
- +$21,382,945
- Number of buys
- 84
- Number of sells
- 99
- Shares outstanding
- 46,147,361
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
185
Top holders
10
CLB full security history
Ownership snapshot
Full 13F holder table
Core Laboratories Inc. /DE/ SEC filings
Core Laboratories Inc. /DE/ company facts
Broader feeds
Ownership snapshot
Top reported holders of CLB - Core Laboratories Inc. /DE/ - Common Stock SH (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
ARIEL INVESTMENTS, LLC
Disclosed value leader
ARIEL INVESTMENTS, LLC
Comparable rows
15/15
Latest evidence
01 Apr 2026
13F
13D/G
3/4/5
Lead comparable stake: 30%
13D/G row: ARIEL INVESTMENTS, LLC
Showing 1-6 of 15 holder rows.
Quick read
ARIEL INVESTMENTS, LLC leads the comparable SEC ownership view at 30%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens ARIEL INVESTMENTS, LLC's linked filing trail.
Comparable ownership
Top 5
ARIEL INVESTMENTS, LLC
30%
EARNEST PARTNERS LLC
6.9%
DISCIPLINED GROWTH INVESTORS INC /MN
6.6%
Martha Z. Carnes
0.12%
Harvey Robert Klingensmith
0.11%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| ARIEL INVESTMENTS, LLC |
13F
13D/G
Company
|
30%
from 13D/G
|
$221,130,814
13,170,388 shares
|
— | 31 Mar 2026 |
| EARNEST PARTNERS LLC |
13D/G
13F
Company
|
6.9%
|
$60,813,292
3,221,043 shares
|
$0 | 31 Dec 2025 |
| DISCIPLINED GROWTH INVESTORS INC /MN |
13F
13D/G
Company
|
6.6%
from 13D/G
|
$82,894,161
4,937,115 shares
|
— | 31 Mar 2026 |
| Martha Z. Carnes |
3/4/5
Director
|
0.12%
|
$913,320
54,397 shares
|
— | 01 Apr 2026 |
| Harvey Robert Klingensmith |
3/4/5
Director
|
0.11%
|
$840,015
50,031 shares
|
— | 01 Apr 2026 |
| Kwaku Temeng |
3/4/5
Director
|
0.07%
|
$564,090
33,597 shares
|
— | 01 Apr 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
185
Shares
52,689,909
Rows available
185
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
189
Q2 2026 holders
185
Holder diff
-4
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|