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Core Laboratories

189 hedge funds and large institutions have $848M invested in Core Laboratories in 2026 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 60 increasing their positions, 57 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
189
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
$443K
Puts
$62K
Net Calls
Net Calls Change

Top Buyers

1 +$20M
2 +$2.68M
3 +$2.2M
4
VanEck Associates
VanEck Associates
New York
+$2.15M
5
Citadel Advisors
Citadel Advisors
Florida
+$2.11M

Top Sellers

1 -$8.78M
2 -$6.64M
3 -$4.11M
4
EARNEST Partners
EARNEST Partners
Georgia
-$2.95M
5
Renaissance Technologies
Renaissance Technologies
New York
-$2.38M
Name Holding Trade Value Shares
Change
Change in
Stake
PA
101
Profund Advisors
Maryland
$213K
LPL Financial
102
LPL Financial
California
$213K
YCM
103
Yousif Capital Management
Michigan
$208K
PFSRSONJ
104
Police & Firemen's Retirement System of New Jersey
New Jersey
$207K
SG Americas Securities
105
SG Americas Securities
New York
$199K
VPIM
106
Vanguard Personalized Indexing Management
California
$197K
TRSOTSOK
107
Teachers Retirement System of the State of Kentucky
Kentucky
$197K
SLAM
108
Swiss Life Asset Management
$195K
BIG
109
Brooklyn Investment Group
New York
$194K
COPPSERS
110
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$193K
Fifth Third Bancorp
111
Fifth Third Bancorp
Ohio
$192K
OPERF
112
Oregon Public Employees Retirement Fund
Oregon
$179K
State of Tennessee, Department of Treasury
113
State of Tennessee, Department of Treasury
Tennessee
$178K
Pathstone Holdings
114
Pathstone Holdings
New Jersey
$174K
CC
115
Centiva Capital
New York
$173K
Franklin Resources
116
Franklin Resources
California
$172K
BNP Paribas Financial Markets
117
BNP Paribas Financial Markets
France
$171K
VIA
118
Vanguard Investments Australia
Australia
$170K
OC
119
Oppenheimer & Co
New York
$169K
VA
120
Vident Advisory
Georgia
$168K
KK
121
KLP Kapitalforvaltning
Norway
$168K
Barclays
122
Barclays
United Kingdom
$150K
Public Employees Retirement Association of Colorado
123
Public Employees Retirement Association of Colorado
Colorado
$141K
Fidelity Investments
124
Fidelity Investments
Massachusetts
$139K
VI
125
Vestcor Inc
New Brunswick, Canada
$137K