Core Laboratories Inc.
CLB- Exchange
- NYSE
- Industry
- Oil & Gas Field Services, NEC
- SEC CIK
- 0001958086
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.
13F holders, Q1 2026
Institutional positions in Core Laboratories Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 190
- +5 vs. Q4 2025
- Shares held
- 50.5M
- +3.46M (+7.4%) vs. Q4 2025
- Total value
- $848.4M
- +$93.8M (+12.4%) vs. Q4 2025
- New holders
- 24
- 62 more added
- Sold out
- 19
- 57 more reduced
4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CLB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 186 | $612.8M |
| Q1 2026 | 190 | $848.4M |
| Q4 2025 | 189 | $804.2M |
| Q3 2025 | 190 | $632.9M |
| Q2 2025 | 191 | $601.2M |
| Q1 2025 | 195 | $762.0M |
| Q4 2024 | 209 | $879.5M |
| Q3 2024 | 191 | $945.7M |
| Q2 2024 | 194 | $1.05B |
| Q1 2024 | 197 | $830.4M |
| Q4 2023 | 186 | $855.4M |
| Q3 2023 | 178 | $1.16B |
| Q2 2023 | 164 | $1.13B |
| Q1 2023 | 164 | $1.02B |
| Q4 2022 | 162 | $931.5M |
| Q3 2022 | 163 | $614.4M |
| Q2 2022 | 176 | $905.2M |
| Q1 2022 | 197 | $1.42B |
| Q4 2021 | 175 | $956.3M |
| Q3 2021 | 199 | $1.19B |
| Q2 2021 | 196 | $1.78B |
| Q1 2021 | 184 | $1.24B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Core Laboratories Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Platinum Investment Management Ltd | 0 | $0 | 0.00% | −4,196−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −2,098−100.0% | Sold out |
| Public Employees Retirement System of Ohio | 0 | $0 | 0.00% | −1,223−100.0% | Sold out |
| TCTC Holdings, LLC | 0 | $0 | 0.00% | −600−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −170−100.0% | Sold out |
| Massmutual Trust Co FSB | 0 | $0 | 0.00% | −104−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −52−100.0% | Sold out |
| Abound Wealth Management | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Torren Management, LLC | 0 | $0 | 0.00% | 0 | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |