CLB · Core Laboratories Inc. /DE/ · Holdings
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Institutional Ownership Trend
Holder Concentration
Across 186 13F filersWho Holds CLB
Last 8 quarters through Sep 30, 2026 (filing window open)Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.
Jun 30, 2026, the newest closed quarter: 186 filers, like-for-like change +4.3%; actively managed books +4.8%; index-like books +3.2%.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 65.7% | 94 | +7.2% |
| Exempt adviser | 0.1% | 1 | -73.6% |
| Adviser | 2.3% | 4 | -43.5% |
| Bank | 7.7% | 14 | +2.0% |
| Insurer | 0.6% | 2 | +0.3% |
| Broker-dealer | 0.0% | 1 | -9.7% |
| Benefit plan | 0.1% | 2 | +17.0% |
| Non-US | 0.5% | 5 | -0.7% |
| Holding company | 17.0% | 6 | +4.4% |
| Unknown | 6.1% | 57 | +15.2% |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 31.2% | 33 | +3.2% |
| Systematic-like | 1.8% | 11 | +75.5% |
| Concentrated | 2.8% | 21 | +33.7% |
| Diversified active | 64.2% | 121 | +2.7% |
| Not measured | 0.0% | 0 | — |
| Unknown | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 79.8% | 123 | +2.9% |
| Medium turnover | 11.3% | 33 | +7.2% |
| High turnover | 2.3% | 16 | +101.1% |
| Unknown | 6.7% | 14 | -0.8% |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 7.0% | 19 | +2.6% |
| Medium horizon | 16.2% | 27 | -2.9% |
| Long horizon | 76.3% | 137 | +6.0% |
| Unknown | 0.5% | 3 | +35.0% |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 1.4% | 31 | +40.7% |
| $1B to $10B | 14.1% | 47 | -3.9% |
| $10B to $100B | 36.6% | 50 | +5.2% |
| $100B or more | 47.9% | 58 | +5.4% |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Individuals and high net worth | 9.1% | 45 | +86.4% |
| Pooled investment vehicles | 1.5% | 11 | +161.9% |
| Registered funds and BDCs | 15.3% | 13 | +11.3% |
| Pension and profit sharing plans | 0.1% | 2 | -0.4% |
| Insurance companies | 0.1% | 2 | +6.1% |
| Charitable organizations | 0.0% | 1 | new |
| Governments and sovereign funds | 0.3% | 2 | -15.2% |
| Other investment advisers | 0.6% | 6 | -1.0% |
| Other | 0.1% | 1 | -2.6% |
| Diversified | 38.8% | 11 | -5.4% |
| Unknown | 34.3% | 92 | -0.8% |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 11.9% | 20 | -20.4% |
| Private equity funds | 1.6% | 7 | +505.3% |
| Venture capital funds | 0.0% | 1 | +18.1% |
| Real estate funds | 0.0% | 3 | +47.4% |
| Securitized asset funds | 0.2% | 1 | -4.1% |
| Other private funds | 35.7% | 9 | +4.5% |
| Mixed private funds | 0.1% | 1 | +1.7% |
| Private funds, type not stated | 0.8% | 2 | -12.6% |
| No private funds | 15.6% | 51 | +41.4% |
| Unknown | 34.2% | 91 | -0.4% |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 94.6% | 161 | +1.2% |
| Outside the US | 5.4% | 25 | +127.3% |
The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.
How the mix is measured
Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.
Excluded 2 holders with no observed 2026-03-31 13F and 3 holders with no observed 2026-06-30 13F. Compared across CIK changes: JANUS HENDERSON GROUP PLC continues as Jupiter Topco LLC.
Conviction and Crowding
186 13F filers, quarter ended Jun 30, 2026Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.
Managers in the top fifth by current three-year FundScore alpha were net buyers of $0 (0 buying, 0 selling).
Estimated Holder Cost Basis
Quarter ended Jun 30, 2026, on that quarter's share basisEstimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.
Estimated cost covers 93.1% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.
Shared Holders
Companies CLB's active holders also own, quarter ended Jun 30, 2026Shareholder Targets
13F filers that own its peers but not CLB, quarter ended Jun 30, 2026Found through its holder-overlap peers: MOS, MHK, GNTX, WES, LFUS, BWA, EXE, SLB, SNA, DVN, INTU, SNDK, AAPL, CMI, SCHW, MU, CVX, GOOGL, JNJ, ORCL. 6,984 filers in all.
| # | Filer | In peers | Largest peers |
|---|---|---|---|
| 1 | NORGES BANK Non-US, Index-like | $154,887,912,399 17 held | GOOGL, AAPL, MU |
| 2 | Berkshire Hathaway Inc Insurer, Concentrated | $117,700,527,192 3 held | AAPL, GOOGL, CVX |
| 3 | Capital World Investors Adviser, Diversified active | $98,153,590,546 9 held | GOOGL, MU, AAPL |
| 4 | Capital Research Global Investors Adviser, Diversified active | $69,959,647,106 10 held | GOOGL, AAPL, ORCL |
| 5 | WELLINGTON MANAGEMENT GROUP LLP Holding company, Diversified active | $58,190,420,114 18 held | GOOGL, AAPL, MU |
| 6 | FRANKLIN RESOURCES INC Adviser, Diversified active | $53,169,310,267 19 held | AAPL, GOOGL, MU |
| 7 | Capital International Investors Adviser, Diversified active | $48,593,683,770 8 held | GOOGL, MU, AAPL |
| 8 | PRIMECAP MANAGEMENT CO/CA/ Registered adviser, Diversified active | $33,796,536,546 11 held | MU, GOOGL, SCHW |
| 9 | Mitsubishi UFJ Asset Management Co., Ltd. Unknown, Index-like | $29,075,730,932 19 held | AAPL, GOOGL, MU |
| 10 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ Registered adviser, Diversified active | $27,241,805,685 13 held | GOOGL, AAPL, JNJ |
Fund Ownership of CLB by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 26.47% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 4.81% | 2,208,003 |
| Index ETFs | 21.66% | 9,937,913 |
| Active ETFs | 1.20% | 551,037 |
| Active funds | 27.07% | 12,421,581 |
| Unclassified | 0.61% | 279,497 |
| All registered funds | 55.35% | 25,398,031 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Large ARIEL INVESTMENTS, LLC Registered adviser | $163,973,108 | 27.57% | 14,074,945 | Shares | 2026-08-14 | |
| Mega BlackRock, Inc. Holding company | $86,910,369 | 14.61% | 7,460,118 | Shares | 2026-08-07 | |
| Mid DISCIPLINED GROWTH INVESTORS INC /MN Registered adviser | $35,441,362 | 5.96% | 3,042,177 | Shares | 2026-08-14 | |
| Large EARNEST PARTNERS LLC Registered adviser | $34,262,696 | 5.76% | 2,941,004 | Shares | 2026-08-13 | |
| Mega STATE STREET CORP Bank | $25,355,992 | 4.26% | 2,176,480 | Shares | 2026-09-22 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC Registered adviser | $18,529,569 | 3.12% | 1,590,521 | Shares | 2026-08-13 | |
| Mega DIMENSIONAL FUND ADVISORS LP Registered adviser | $18,036,563 | 3.03% | 1,548,203 | Shares | 2026-08-11 | |
| Mega SCHRODER INVESTMENT MANAGEMENT GROUP Registered adviser | $17,983,382 | 3.02% | 1,543,638 | Shares | 2026-08-13 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC Registered adviser | $14,858,654 | 2.50% | 1,275,421 | Shares | 2026-08-13 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC Registered adviser | $13,908,049 | 2.34% | 1,193,824 | Shares | 2026-08-12 | |
| Large GENDELL JEFFREY L | $12,709,835 | 2.14% | 1,090,973 | Shares | 2026-08-14 | |
| Mid HEARTLAND ADVISORS INC Registered adviser | $12,329,323 | 2.07% | 1,058,311 | Shares | 2026-08-11 | |
| Mega GOLDMAN SACHS GROUP INC Holding company | $8,756,640 | 1.47% | 751,643 | Shares | 2026-08-14 | |
| Mid EVERGREEN CAPITAL MANAGEMENT LLC Registered adviser | $7,799,768 | 1.31% | 669,508 | Shares | 2026-07-23 | |
| Mega MORGAN STANLEY Holding company | $7,644,098 | 1.29% | 656,146 | Shares | 2026-08-13 | |
| Mega NORTHERN TRUST CORP Bank | $7,085,550 | 1.19% | 608,202 | Shares | 2026-08-13 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC Registered adviser | $6,583,007 | 1.11% | 565,065 | Shares | 2026-08-14 | |
| Mega T. Rowe Price Investment Management, Inc. Adviser | $5,650,622 | 0.95% | 485,032 | Shares | 2026-08-14 | |
| Mega UBS Group AG Bank | $5,379,701 | 0.90% | 461,777 | Shares | 2026-08-13 | |
| Mega Fisher Asset Management, LLC Adviser | $5,218,605 | 0.88% | 447,949 | Shares | 2026-08-04 | |
| Mega Bank of New York Mellon Corp Bank | $4,674,945 | 0.79% | 401,283 | Shares | 2026-08-06 | |
| Mega VAN ECK ASSOCIATES CORP Registered adviser | $4,586,395 | 0.77% | 393,682 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $4,329,314 | 0.73% | 371,615 | Shares | 2026-09-02 | |
| Mega VANGUARD FIDUCIARY TRUST CO | $3,455,203 | 0.58% | 296,584 | Shares | 2026-08-13 | |
| Mega PRINCIPAL FINANCIAL GROUP INC Insurer | $3,171,024 | 0.53% | 272,191 | Shares | 2026-08-04 | |
| Small MAC Alpha Capital Management, LP Registered adviser | $3,062,715 | 0.51% | 262,894 | Shares | 2026-09-21 | |
| Mega D. E. Shaw & Co., Inc. | $2,890,014 | 0.49% | 248,070 | Shares | 2026-08-14 | |
| Mid Advisors Capital Management, LLC Registered adviser | $2,765,686 | 0.46% | 237,398 | Shares | 2026-08-11 | |
| Large HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC Registered adviser | $2,737,924 | 0.46% | 235,015 | Shares | 2026-08-14 | |
| Mega ENVESTNET ASSET MANAGEMENT INC Registered adviser | $2,647,299 | 0.45% | 227,236 | Shares | 2026-09-23 | |
| Mega Invesco Ltd. Adviser | $2,354,928 | 0.40% | 202,140 | Shares | 2026-08-14 | |
| Mega Russell Investments Group, Ltd. | $2,254,472 | 0.38% | 193,517 | Shares | 2026-08-06 | |
| Mega Nuveen, LLC | $2,111,887 | 0.36% | 181,278 | Shares | 2026-08-11 | |
| Small Archon Capital Management LLC Registered adviser | $2,081,855 | 0.35% | 178,700 | Shares | 2026-08-14 | |
| Large Public Sector Pension Investment Board Non-US | $1,845,301 | 0.31% | 158,395 | Shares | 2026-08-13 | |
| Mega WELLS FARGO & COMPANY/MN Bank | $1,845,254 | 0.31% | 158,391 | Shares | 2026-08-14 | |
| Mid CWA Asset Management Group, LLC Registered adviser | $1,614,555 | 0.27% | 166,449 | Shares | 2026-10-19 | |
| Mega Legal & General Group Plc | $1,427,997 | 0.24% | 122,575 | Shares | 2026-08-14 | |
| Mid Jump Financial, LLC | $1,398,594 | 0.24% | 120,051 | Shares | 2026-08-13 | |
| Mega RHUMBLINE ADVISERS Registered adviser | $1,335,928 | 0.22% | 114,672 | Shares | 2026-08-12 | |
| Mega Creative Planning Registered adviser | $1,197,689 | 0.20% | 102,806 | Shares | 2026-08-13 | |
| Mid RICE HALL JAMES & ASSOCIATES, LLC Registered adviser | $1,184,199 | 0.20% | 101,648 | Shares | 2026-08-07 | |
| Mega AMERIPRISE FINANCIAL INC Adviser | $1,152,871 | 0.19% | 98,959 | Shares | 2026-08-14 | |
| Mega AMERICAN CENTURY COMPANIES INC | $1,103,266 | 0.19% | 94,701 | Shares | 2026-08-12 | |
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC Registered adviser | $1,082,468 | 0.18% | 92,916 | Shares | 2026-08-13 | |
| Mega Swiss National Bank | $1,077,625 | 0.18% | 92,500 | Shares | 2026-08-11 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $1,016,870 | 0.17% | 87,285 | Shares | 2026-08-14 | |
| Mid XTX Topco Ltd | $994,106 | 0.17% | 85,331 | Shares | 2026-08-14 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ Registered adviser | $980,860 | 0.16% | 84,194 | Shares | 2026-08-14 | |
| Large Tidal Investments LLC Registered adviser | $941,937 | 0.16% | 80,853 | Shares | 2026-08-13 | |
| Mega CITIGROUP INC Bank | $856,087 | 0.14% | 73,484 | Shares | 2026-08-03 | |
| Small BWM Planning, LLC | $757,669 | 0.13% | 65,036 | Shares | 2026-07-23 | |
| Mega AQR CAPITAL MANAGEMENT LLC Registered adviser | $755,022 | 0.13% | 64,809 | Shares | 2026-08-14 | |
| Large Quantinno Capital Management LP Registered adviser | $754,232 | 0.13% | 64,741 | Shares | 2026-08-13 | |
| Mid Raiffeisen Bank International AG | $699,000 | 0.12% | 60,000 | Shares | 2026-08-03 | |
| Small Old West Investment Management, LLC Registered adviser | $697,951 | 0.12% | 59,910 | Shares | 2026-08-06 | |
| Mid Moors & Cabot, Inc. Registered adviser | $695,062 | 0.12% | 59,662 | Shares | 2026-08-10 | |
| Small Pacific Ridge Capital Partners, LLC Registered adviser | $645,619 | 0.11% | 55,418 | Shares | 2026-08-12 | |
| Mega CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Benefit plan | $611,939 | 0.10% | 52,527 | Shares | 2026-08-24 | |
| Mega Amundi Holding company | $606,557 | 0.10% | 52,065 | Shares | 2026-08-11 | |
| Large PANAGORA ASSET MANAGEMENT INC Registered adviser | $582,208 | 0.10% | 49,975 | Shares | 2026-08-06 | |
| Large PRUDENTIAL FINANCIAL INC Insurer | $571,350 | 0.10% | 49,043 | Shares | 2026-08-12 | |
| Mid OPPENHEIMER ASSET MANAGEMENT INC. | $555,285 | 0.09% | 47,664 | Shares | 2026-08-03 | |
| Mega DEUTSCHE BANK AG\ Non-US | $555,239 | 0.09% | 47,660 | Shares | 2026-08-07 | |
| Large Squarepoint Ops LLC Registered adviser | $555,040 | 0.09% | 47,643 | Shares | 2026-08-14 | |
| Mega RAYMOND JAMES FINANCIAL INC | $544,940 | 0.09% | 46,776 | Shares | 2026-08-14 | |
| Mega ALLIANCEBERNSTEIN L.P. Registered adviser | $487,319 | 0.08% | 41,830 | Shares | 2026-08-14 | |
| Large Lido Advisors, LLC Registered adviser | $436,828 | 0.07% | 37,496 | Shares | 2026-08-07 | |
| Large CAPTRUST FINANCIAL ADVISORS Registered adviser | $427,496 | 0.07% | 36,695 | Shares | 2026-08-13 | |
| Small Tejara Capital Ltd Exempt adviser | $362,280 | 0.06% | 31,097 | Shares | 2026-08-11 | |
| Large Thrivent Financial for Lutherans Registered adviser | $353,659 | 0.06% | 30,357 | Shares | 2026-08-14 | |
| Mega VANGUARD ASSET MANAGEMENT, Ltd | $335,182 | 0.06% | 28,771 | Shares | 2026-08-13 | |
| Large MetLife Investment Management, LLC Registered adviser | $310,437 | 0.05% | 26,647 | Shares | 2026-08-14 | |
| Mega HSBC HOLDINGS PLC | $303,797 | 0.05% | 26,077 | Shares | 2026-08-14 | |
| Small INCEPTIONR LLC Registered adviser | $292,415 | 0.05% | 25,100 | Shares | 2026-08-11 | |
| Mega STIFEL FINANCIAL CORP | $292,321 | 0.05% | 25,092 | Shares | 2026-08-12 | |
| Mid KORNITZER CAPITAL MANAGEMENT INC /KS Registered adviser | $280,590 | 0.05% | 24,085 | Shares | 2026-07-31 | |
| Mega BARCLAYS PLC Bank | $269,581 | 0.05% | 23,140 | Shares | 2026-08-14 | |
| Mega JPMORGAN CHASE & CO Bank | $264,197 | 0.04% | 22,678 | Shares | 2026-08-12 | |
| Large Zurcher Kantonalbank (Zurich Cantonalbank) Non-US | $260,971 | 0.04% | 22,401 | Shares | 2026-08-12 | |
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $249,997 | 0.04% | 21,459 | Shares | 2026-08-14 | |
| Mid ISTHMUS PARTNERS, LLC | $242,587 | 0.04% | 20,823 | Shares | 2026-07-20 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $241,178 | 0.04% | 20,702 | Shares | 2026-08-14 | |
| Large Walleye Capital LLC Registered adviser | $241,003 | 0.04% | 20,687 | Shares | 2026-08-03 | |
| Mid Louisiana State Employees Retirement System | $235,330 | 0.04% | 20,200 | Shares | 2026-07-21 | |
| Mega Jupiter Topco LLC | $231,299 | 0.04% | 19,854 | Shares | 2026-08-14 | |
| Small AXQ CAPITAL, LP Registered adviser | $224,903 | 0.04% | 19,305 | Shares | 2026-08-06 | |
| Mid Aquatic Capital Management LLC Registered adviser | $219,031 | 0.04% | 18,801 | Shares | 2026-08-14 | |
| Mid Ethic Inc. Registered adviser | $203,222 | 0.03% | 17,444 | Shares | 2026-07-29 | |
| Mega Vanguard Global Advisers, LLC Registered adviser | $198,970 | 0.03% | 17,079 | Shares | 2026-08-13 | |
| Small Terril Brothers, Inc. | $193,390 | 0.03% | 16,600 | Shares | 2026-07-24 | |
| Mid Arkadios Wealth Advisors Registered adviser | $189,241 | 0.03% | 16,244 | Shares | 2026-08-10 | |
| Large RENAISSANCE TECHNOLOGIES LLC Registered adviser | $168,925 | 0.03% | 14,500 | Shares | 2026-08-13 | |
| Small FOX RUN MANAGEMENT, L.L.C. Registered adviser | $166,886 | 0.03% | 14,325 | Shares | 2026-08-04 | |
| Large Vanguard Personalized Indexing Management, LLC Registered adviser | $162,272 | 0.03% | 13,929 | Shares | 2026-08-11 | |
| Large NEW YORK STATE COMMON RETIREMENT FUND | $161,888 | 0.03% | 13,896 | Shares | 2026-07-29 | |
| Large INTECH INVESTMENT MANAGEMENT LLC Registered adviser | $160,117 | 0.03% | 13,744 | Shares | 2026-08-10 | |
| Small CONNABLE OFFICE INC | $159,570 | 0.03% | 13,697 | Shares | 2026-08-03 | |
| Large STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM Benefit plan | $155,993 | 0.03% | 13,390 | Shares | 2026-08-10 | |
| Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE | $155,655 | 0.03% | 13,361 | Shares | 2026-09-09 |
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