Core Laboratories Ownership | Who Owns Core Laboratories?
Core Laboratories Ownership Summary
Core Laboratories is owned by 36.79% institutional investors, 1.02% insiders, and 62.19% retail investors. Ariel investments is the largest institutional shareholder, holding 28.99% of CLB shares. Ariel Fund Investor is the top mutual fund, with 11.13% of its assets in Core Laboratories shares.
CLB Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Core Laboratories | 36.79% | 1.02% | 62.19% |
| Sector | Energy Stocks | 14147.52% | 14.03% | -14061.55% |
| Industry | Oil & Gas Equipment & Services Stocks | 47.70% | 12.52% | 39.79% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Ariel investments | 13.77M | 28.99% | $170.24M |
| Blackrock | 7.80M | 16.62% | $158.22M |
| Blackrock funding, inc. /de | 7.26M | 15.28% | $89.71M |
| Disciplined growth investors inc /mn | 5.97M | 12.57% | $73.79M |
| Earnest partners | 3.43M | 7.21% | $42.37M |
| Vanguard group | 3.05M | 6.41% | $37.67M |
| State street | 1.98M | 4.16% | $24.43M |
| Dimensional fund advisors lp | 1.11M | 2.34% | $13.73M |
| Geode capital management | 1.11M | 2.33% | $13.68M |
| T. rowe price investment management | 908.16K | 1.91% | $11.22M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Ariel investments | 13.77M | 1.82% | $170.24M |
| Disciplined growth investors inc /mn | 5.97M | 1.34% | $73.79M |
| Bwm planning | 65.04K | 0.24% | $803.84K |
| Earnest partners | 3.43M | 0.18% | $42.37M |
| Ridgewood investments | 31.43K | 0.16% | $388.52K |
| Wintrust investments | 10.14K | 0.15% | $175.00K |
| Scout investments | 256.99K | 0.14% | $5.21M |
| Gendell jeffrey l | 569.47K | 0.13% | $7.04M |
| Pharvision advisers | 17.68K | 0.12% | $218.47K |
| Pacific ridge capital partners | 42.44K | 0.12% | $524.60K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Ariel investments | 13.77M | 1.82% | 797.11K |
| Disciplined growth investors inc /mn | 5.97M | 1.34% | 528.98K |
| Hrt financial lp | 349.55K | 0.02% | 259.14K |
| Goldman sachs group | 296.59K | 0.00% | 174.69K |
| Charles schwab investment management | 657.24K | 0.00% | 116.26K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Congress asset management co /ma | - | - | -1.69M |
| Vanguard group | 3.05M | 0.00% | -1.43M |
| Boston trust walden | - | - | -610.89K |
| Fred alger management | - | - | -544.41K |
| Royce & associates lp | 440.44K | 0.05% | -331.92K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 110.33K | 0.00% | 110.33K | $1.91M |
| Balyasny asset management | 50.86K | 0.00% | 50.86K | $585.94K |
| Lido advisors | 44.77K | 0.00% | 44.77K | $553.41K |
| Pacific ridge capital partners | 42.44K | 0.12% | 42.44K | $524.60K |
| Renaissance | 34.18K | 0.00% | 34.18K | $422.48K |
Sold Out
| Holder | Change |
|---|---|
| Tfc financial management | -1.00 |
| Frazier financial advisors | -4.00 |
| Jfs wealth advisors | -6.00 |
| Southstate | -7.00 |
| Kohmann bosshard financial services | -11.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 89 | -52.41% | 17,479,824 | -65.96% | 36 | 0.32% | 39 | -60.61% | 36 | -34.55% |
| Jun 30, 2025 | 193 | -1.53% | 52,138,632 | 2.56% | 109 | 0.93% | 97 | 29.33% | 59 | -23.38% |
| Mar 31, 2025 | 6 | -97.13% | 335,329 | -99.34% | - | 0.01% | 2 | -97.94% | 4 | -94.37% |
| Dec 31, 2024 | 97 | -49.74% | 19,758,262 | -61.17% | 42 | 0.36% | 36 | -60.00% | 34 | -52.78% |
| Sep 30, 2024 | 191 | -4.02% | 50,834,387 | -1.68% | 108 | 0.89% | 89 | -13.59% | 71 | 24.56% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Ariel Fund Investor | 5.22M | 11.13% | 1.56M |
| iShares Core S&P Small-Cap ETF | 2.80M | 5.97% | - |
| Disciplined Growth - Mid Cap Growth | 1.52M | 3.24% | 53.00K |
| Vanguard US Total Market Shares ETF | 1.48M | 3.18% | - |
| Vanguard Total Stock Mkt Idx Inv | 1.47M | 3.14% | -32.61K |
| Ariel Appreciation Investor | 1.37M | 2.92% | -117.27K |
| Harbor Small Cap Value Instl | 1.36M | 2.91% | -69.37K |
| iShares Russell 2000 ETF | 1.13M | 2.42% | - |
| Congress Asset Mgt Small Cap Growth | 1.11M | 2.38% | 1.11M |
| T. Rowe Price US Smlr Cm Eq A USD | 892.90K | 1.90% | -45.82K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | - | - |
| 2025 Q3 | - | - |
| 2025 Q2 | - | - |
| 2025 Q1 | - | - |
| 2024 Q4 | - | - |
CLB Ownership FAQ
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