Core Laboratories Ownership | Who Owns Core Laboratories?
Core Laboratories Ownership Summary
Core Laboratories is owned by 35.88% institutional investors, 1.24% insiders, and 62.88% retail investors. Ariel investments is the largest institutional shareholder, holding 28.99% of CLB shares. Ariel Fund Investor is the top mutual fund, with 13.34% of its assets in Core Laboratories shares.
CLB Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Core Laboratories | 35.88% | 1.24% | 62.88% |
| Sector | Energy Stocks | 147.73% | 15.16% | -62.89% |
| Industry | Oil & Gas Equipment & Services Stocks | 41.12% | 12.83% | 46.05% |
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 | 7.15M | 15.38% | $114.67M |
| Disciplined growth investors inc /mn | 5.97M | 12.57% | $73.79M |
| Earnest partners | 3.22M | 6.93% | $51.63M |
| Vanguard group | 3.08M | 6.62% | $49.37M |
| State street | 1.98M | 4.16% | $24.43M |
| Dimensional fund advisors lp | 1.23M | 2.64% | $19.71M |
| Geode capital management | 1.11M | 2.40% | $17.88M |
| 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 |
| Archon capital management | 117.25K | 1.07% | $1.88B |
| Cwa asset management group | 622.45K | 0.36% | $9.98M |
| Bwm planning | 65.04K | 0.28% | $1.04M |
| Earnest partners | 3.22M | 0.22% | $51.63M |
| Gendell jeffrey l | 648.46K | 0.18% | $10.39M |
| Ridgewood investments | 31.43K | 0.16% | $388.52K |
| Pacific ridge capital partners | 44.42K | 0.16% | $712.10K |
| Wintrust investments | 10.14K | 0.15% | $175.00K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Ariel investments | 13.77M | 1.82% | 797.11K |
| Cwa asset management group | 622.45K | 0.36% | 622.45K |
| Goldman sachs group | 845.25K | 0.00% | 548.66K |
| Disciplined growth investors inc /mn | 5.97M | 1.34% | 528.98K |
| Renaissance | 183.40K | 0.00% | 149.22K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Congress asset management co /ma | - | - | -1.69M |
| Boston trust walden | - | - | -610.89K |
| Fred alger management | - | - | -544.41K |
| Royce & associates lp | 206.72K | 0.03% | -233.73K |
| Hrt financial lp | 126.06K | 0.01% | -223.49K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Cwa asset management group | 622.45K | 0.36% | 622.45K | $9.98M |
| Archon capital management | 117.25K | 1.07% | 117.25K | $1.88B |
| Norges bank | 110.33K | 0.00% | 110.33K | $1.91M |
| Balyasny asset management | 50.86K | 0.00% | 50.86K | $585.94K |
| Weiss asset management lp | 31.65K | 0.00% | 31.65K | $391.18K |
Sold Out
| Holder | Change |
|---|---|
| Tfc financial management | -1.00 |
| Frazier financial advisors | -4.00 |
| Jfs wealth advisors | -6.00 |
| Southstate | -7.00 |
| Caitong asset management | -10.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 100 | -48.19% | 16,685,248 | -67.44% | 35 | 0.31% | 46 | -50.54% | 33 | -54.79% |
| 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% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Ariel Fund Investor | 6.21M | 13.34% | -308.63K |
| iShares Core S&P Small-Cap ETF | 2.83M | 6.08% | -294.59K |
| Ariel Appreciation Investor | 1.51M | 3.25% | - |
| Vanguard US Total Market Shares ETF | 1.48M | 3.18% | - |
| Disciplined Growth - Mid Cap Growth | 1.38M | 2.97% | -90.43K |
| Harbor Small Cap Value Instl | 1.18M | 2.53% | -61.88K |
| iShares Russell 2000 ETF | 1.12M | 2.41% | 1.12M |
| Congress Asset Mgt Small Cap Growth | 1.11M | 2.38% | 1.11M |
| Vanguard Total Stock Mkt Idx Inv | 1.07M | 2.29% | - |
| 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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