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CLB

Core Laboratories Inc. /DE/

Company with tickers: CLB

CIK
1958086
CUSIP
21867A105
Shares Outstanding
46,096,682
Price History Institutional Holders Short Volume Short Interest Fails to Deliver Financials SEC Filings Earnings Calls Insider Trades Congressional Trades
Holders: 184
Total Value: $784,938,203
Total Shares: 46,750,347
Showing 1–100 of 186 holdings by value · page 1 of 2

Institutional Ownership Trend

22 quarters

Holder Concentration

Across 184 13F filers · Δ vs Dec 31, 2025
Top Holder
28.2%
Jun 2023 → Mar 2026 · range 18.9% – 30.1%
−1.9 pts
Top 5
65.1%
Jun 2023 → Mar 2026 · range 59.4% – 68.9%
−3.8 pts
Top 10
78.3%
Jun 2023 → Mar 2026 · range 72.9% – 79.2%
−0.9 pts
HHI
1,257
Jun 2023 → Mar 2026 · range 905 – 1,392
Broadly held −135

Quarterly Activity

vs Dec 31, 2025
New
21
Increased
62
Decreased
54
Sold Out
24
Unchanged
47
Holder count: -3
Institutional value: +7.9%
Shares held: +3.1%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds
Mid CWA Asset Management Group, LLC +1,118,548 1,741,001
Mega MORGAN STANLEY +413,056 425,566
Mega Bank of New York Mellon Corp +399,373 403,084
Mega CITADEL ADVISORS LLC +133,167 170,100
Mega DIMENSIONAL FUND ADVISORS LP +122,718 1,352,329

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds
Mid NORTHERN TRUST CORP −533,751 9,742
Mid ARIEL INVESTMENTS, LLC −490,612 13,170,388
Large HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC −370,980 180,135
Mid DISCIPLINED GROWTH INVESTORS INC /MN −229,799 4,937,115
Large EARNEST PARTNERS LLC −165,047 3,055,996

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD)
Mega T. Rowe Price Investment Management, Inc. 1,103,895 $18,534,397
Mid HEARTLAND ADVISORS INC 150,000 $2,518,500
Large MARSHALL WACE, LLP 117,744 $1,976,920
Mid Jump Financial, LLC 96,200 $1,615,198
Large Connor, Clark & Lunn Investment Management Ltd. 29,541 $495,993

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD)
Mega VANGUARD GROUP INC 288,172 $4,619,397
Large HRT FINANCIAL LP 126,056 $2,020,677
Small Archon Capital Management LLC 117,252 $1,879,549
Mid XTX Topco Ltd 54,273 $869,996
Large Trexquant Investment LP 53,831 $862,910
100 of 100 shown
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Action
Mid ARIEL INVESTMENTS, LLC $221,130,814 28.17% 13,170,388 View
Mega BlackRock, Inc. $121,030,759 15.42% 7,208,503 View
Mid DISCIPLINED GROWTH INVESTORS INC /MN $82,894,160 10.56% 4,937,115 View
Large EARNEST PARTNERS LLC $51,310,172 6.54% 3,055,996 View
Mega STATE STREET CORP $34,596,416 4.41% 2,060,537 View
Mid CWA Asset Management Group, LLC $29,231,406 3.72% 1,741,001 View
Mega DIMENSIONAL FUND ADVISORS LP $22,705,602 2.89% 1,352,329 View
Mega GEODE CAPITAL MANAGEMENT, LLC $19,106,314 2.43% 1,137,958 View
Mega T. Rowe Price Investment Management, Inc. $18,534,397 2.36% 1,103,895 View
Mega GOLDMAN SACHS GROUP INC $14,253,047 1.82% 848,901 View
Mega Fisher Asset Management, LLC $12,369,982 1.58% 736,747 View
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $11,533,890 1.47% 686,950 View
Mid GENDELL JEFFREY L $10,887,642 1.39% 648,460 View
Mega VAN ECK ASSOCIATES CORP $7,932,703 1.01% 472,466 View
Mega AMERICAN CENTURY COMPANIES INC $7,506,758 0.96% 447,097 View
Mega UBS Group AG $7,247,452 0.92% 431,653 View
Mega MORGAN STANLEY $7,145,251 0.91% 425,566 View
Mega Bank of New York Mellon Corp $6,767,777 0.86% 403,084 View
Mid Advisors Capital Management, LLC $4,846,097 0.62% 288,630 View
Small MAC Alpha Capital Management, LP $4,754,860 0.61% 283,196 View
Mega PRINCIPAL FINANCIAL GROUP INC $4,563,874 0.58% 271,821 View
Mega Invesco Ltd. $3,895,294 0.50% 232,001 View
Mega BANK OF AMERICA CORP /DE/ $3,771,336 0.48% 224,618 View
Mega ENVESTNET ASSET MANAGEMENT INC $3,758,878 0.48% 223,876 View
Mega WELLS FARGO & COMPANY/MN $3,195,405 0.41% 190,316 View
Large HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC $3,024,466 0.39% 180,135 View
Mid ROYCE & ASSOCIATES LP $3,009,624 0.38% 179,251 View
Large Public Sector Pension Investment Board $2,797,012 0.36% 166,588 View
Mega CITADEL ADVISORS LLC $2,599,092 0.33% 154,800 View
Mega Nuveen, LLC $2,520,564 0.32% 150,123 View
Mid HEARTLAND ADVISORS INC $2,518,500 0.32% 150,000 View
Large Russell Investments Group, Ltd. $2,490,576 0.32% 148,337 View
Mega RHUMBLINE ADVISERS $2,336,059 0.30% 139,134 View
Mega Legal & General Group Plc $2,000,997 0.25% 119,178 View
Mega D. E. Shaw & Co., Inc. $1,988,372 0.25% 118,426 View
Large MARSHALL WACE, LLP $1,976,920 0.25% 117,744 View
Mega AMERIPRISE FINANCIAL INC $1,688,032 0.22% 100,538 View
Mid RICE HALL JAMES & ASSOCIATES, LLC $1,663,821 0.21% 99,096 View
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $1,626,983 0.21% 96,902 View
Mid Jump Financial, LLC $1,615,198 0.21% 96,200 View
Mega Swiss National Bank $1,553,075 0.20% 92,500 View
Large Tidal Investments LLC $1,195,464 0.15% 71,201 View
Large Quantinno Capital Management LP $1,148,352 0.15% 68,395 View
Micro BWM Planning, LLC $1,091,954 0.14% 65,036 View
Large Creative Planning $1,048,888 0.13% 62,471 View
Mid Moors & Cabot, Inc. $1,020,865 0.13% 60,802 View
Mid Raiffeisen Bank International AG $1,007,400 0.13% 60,000 View
Mega PRICE T ROWE ASSOCIATES INC /MD/ $959,414 0.12% 57,142 View
Large PANAGORA ASSET MANAGEMENT INC $922,811 0.12% 54,962 View
Mega AQR CAPITAL MANAGEMENT LLC $871,817 0.11% 51,925 View
Large RENAISSANCE TECHNOLOGIES LLC $849,624 0.11% 50,603 View
Large PRUDENTIAL FINANCIAL INC $815,372 0.10% 48,563 View
Mid OPPENHEIMER ASSET MANAGEMENT INC. $814,734 0.10% 48,525 View
Small Pacific Ridge Capital Partners, LLC $745,996 0.10% 44,431 View
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM $721,516 0.09% 42,973 View
Mega ALLIANCEBERNSTEIN L.P. $690,572 0.09% 41,130 View
Mega DEUTSCHE BANK AG\ $681,925 0.09% 40,615 View
Small Old West Investment Management, LLC $680,414 0.09% 40,525 View
Mid Campbell & CO Investment Adviser LLC $677,879 0.09% 40,374 View
Large Lido Advisors, LLC $635,434 0.08% 37,846 View
Large CAPTRUST FINANCIAL ADVISORS $617,082 0.08% 36,753 View
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $543,156 0.07% 32,350 View
Small CoreCommodity Management, LLC $536,809 0.07% 31,972 View
Mega Amundi $534,879 0.07% 31,857 View
Large Thrivent Financial for Lutherans $523,293 0.07% 31,167 View
Large Connor, Clark & Lunn Investment Management Ltd. $495,993 0.06% 29,541 View
Mega CITIGROUP INC $468,524 0.06% 27,905 View
Mid Illinois Municipal Retirement Fund $430,529 0.05% 25,642 View
Large MetLife Investment Management, LLC $417,987 0.05% 24,895 View
Mid KORNITZER CAPITAL MANAGEMENT INC /KS $415,972 0.05% 24,775 View
Mega MILLENNIUM MANAGEMENT LLC $399,635 0.05% 23,802 View
Mega JPMORGAN CHASE & CO $389,391 0.05% 23,192 View
Mid State of Alaska, Department of Revenue $385,918 0.05% 22,985 View
Large Zurcher Kantonalbank (Zurich Cantonalbank) $376,112 0.05% 22,401 View
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. $370,202 0.05% 22,049 View
Large LOS ANGELES CAPITAL MANAGEMENT LLC $369,396 0.05% 22,001 View
Mid Louisiana State Employees Retirement System $345,874 0.04% 20,600 View
Mega JANUS HENDERSON GROUP PLC $333,348 0.04% 19,854 View
Large Universal- Beteiligungs- und Servicegesellschaft mbH $329,151 0.04% 19,604 View
Mid Arkadios Wealth Advisors $310,211 0.04% 18,476 View
Large SEI INVESTMENTS CO $282,793 0.04% 16,843 View
Small Terril Brothers, Inc. $278,714 0.04% 16,600 View
Small Argos Wealth Advisors, LLC $270,638 0.03% 16,119 View
Mega CITADEL ADVISORS LLC $256,887 0.03% 15,300 View
Small Abacus Wealth Partners, LLC $246,729 0.03% 14,695 View
Small ISTHMUS PARTNERS, LLC $243,606 0.03% 14,509 View
Small CONNABLE OFFICE INC $239,526 0.03% 14,266 View
Mid INTECH INVESTMENT MANAGEMENT LLC $237,242 0.03% 14,130 View
Mid Farther Finance Advisors, LLC $234,304 0.03% 13,955 View
Large NEW YORK STATE COMMON RETIREMENT FUND $233,313 0.03% 13,896 View
Large Corient Private Wealth LLC $230,593 0.03% 13,734 View
Large AMALGAMATED BANK $225,321 0.03% 13,420 View
Large STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM $224,818 0.03% 13,390 View
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE $215,231 0.03% 12,819 View
Large ARIZONA STATE RETIREMENT SYSTEM $214,492 0.03% 12,775 View
Mid PROFUND ADVISORS LLC $213,199 0.03% 12,698 View
Mega LPL Financial LLC $213,048 0.03% 12,689 View
Mid YOUSIF CAPITAL MANAGEMENT, LLC $207,793 0.03% 12,376 View
Large Police & Firemen's Retirement System of New Jersey $206,684 0.03% 12,310 View
Large SG Americas Securities, LLC $198,978 0.03% 11,851 View
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