Stock Ownership/CLB

CORE LABORATORIES INC (CLB): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in CLB · Energy. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
9
13F filers
Aggregate Value
$178.1M
Across holders
Last Price
$12.05
2026-08-24
Sector
Energy
GICS
Quarterly fund activity6 increased2 reduced2 exited
Full exits: MILLENNIUM MANAGEMENT LLC, MARSHALL WACE, LLP
Institutional Holders of CLB
↗
9 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
ARIEL INVESTMENTS, LLC
CIK 0000936753
Institutional Manager14.07M$164.0M92.1%1.6%Added$-133.3MQ2 2026
Fisher Asset Management, LLC
CIK 0000850529
Institutional Manager448K$5.2M2.9%0.0%Reduced$-3.4MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund372K$4.3M2.4%0.0%Added+$4.0MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund248K$2.9M1.6%0.0%Added+$131KQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund65K$755K0.4%0.0%Added+$698KQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund48K$555K0.3%0.0%Added—Q2 2026
Walleye Capital LLC
CIK 0001758720
Hedge Fund21K$241K0.1%0.0%Added+$199KQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund15K$169K0.1%0.0%Reduced$-421KQ2 2026
Rockefeller Capital Management L.P.
CIK 0001739439
Hedge Fund201$2K0.0%0.0%Unchanged+$0Q2 2026
ARIEL INVESTMENTS, LLCAdded
Institutional Manager
$164.0M· 92.1% of total· 1.6% port· 14.07M sh· $-133.3M QoQ· Q2 2026
Fisher Asset Management, LLCReduced
Institutional Manager
$5.2M· 2.9% of total· 0.0% port· 448K sh· $-3.4M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$4.3M· 2.4% of total· 0.0% port· 372K sh· +$4.0M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$2.9M· 1.6% of total· 0.0% port· 248K sh· +$131K QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$755K· 0.4% of total· 0.0% port· 65K sh· +$698K QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$555K· 0.3% of total· 0.0% port· 48K sh· — QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$241K· 0.1% of total· 0.0% port· 21K sh· +$199K QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$169K· 0.1% of total· 0.0% port· 15K sh· $-421K QoQ· Q2 2026
Rockefeller Capital Management L.P.Unchanged
Hedge Fund
$2K· 0.0% of total· 0.0% port· 201 sh· +$0 QoQ· Q2 2026
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