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Core Laboratories

191 hedge funds and large institutions have $602M invested in Core Laboratories in 2025 Q2 according to their latest regulatory filings, with 28 funds opening new positions, 70 increasing their positions, 59 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
191
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$500K
Puts
$766K
Net Calls
Net Calls Change

Top Buyers

1 +$30.3M
2 +$3.22M
3 +$2.63M
4
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$2.27M
5
GJL
Gendell Jeffrey L
+$1.3M

Top Sellers

1 -$10.8M
2 -$9.16M
3 -$2.58M
4
RA
Royce & Associates
New York
-$2.29M
5
FAM
Fred Alger Management
New York
-$2.22M
Name Holding Trade Value Shares
Change
Change in
Stake
D.E. Shaw & Co
76
D.E. Shaw & Co
New York
$354K
AIM
77
Aigen Investment Management
New York
$351K
MIM
78
MetLife Investment Management
New Jersey
$336K
SOADOR
79
State of Alaska Department of Revenue
Alaska
$321K
CCIA
80
Campbell & Co Investment Adviser
Maryland
$298K
JPMorgan Chase & Co
81
JPMorgan Chase & Co
New York
$297K
Mirae Asset Global ETFs Holdings
82
Mirae Asset Global ETFs Holdings
Hong Kong
$296K
Two Sigma Investments
83
Two Sigma Investments
New York
$293K
Franklin Resources
84
Franklin Resources
California
$274K
PIM
85
Platinum Investment Management
Australia
$263K
Mackenzie Financial
86
Mackenzie Financial
Ontario, Canada
$263K
IMRF
87
Illinois Municipal Retirement Fund
Illinois
$259K
LSERS
88
Louisiana State Employees Retirement System
Louisiana
$252K
CSS
89
Cubist Systematic Strategies
Connecticut
$250K
QCM
90
Quantinno Capital Management
New York
$242K
SEI Investments
91
SEI Investments
Pennsylvania
$231K
Janus Henderson Group
92
Janus Henderson Group
United Kingdom
$229K
New York State Teachers Retirement System (NYSTRS)
93
New York State Teachers Retirement System (NYSTRS)
New York
$228K
PNC Financial Services Group
94
PNC Financial Services Group
Pennsylvania
$216K
Manulife (Manufacturers Life Insurance)
95
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$207K
QT
96
Quantbot Technologies
New York
$202K
FRM
97
Fox Run Management
Connecticut
$202K
YCM
98
Yousif Capital Management
Michigan
$198K
Comerica Bank
99
Comerica Bank
Texas
$191K
COI
100
Connable Office Inc
Michigan
$189K