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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
BHCM
101
Brevan Howard Capital Management
Jersey
$189K
A
102
AlphaQuest
New York
$185K
TRSOTSOK
103
Teachers Retirement System of the State of Kentucky
Kentucky
$177K
VOYA Investment Management
104
VOYA Investment Management
Georgia
$161K
New York State Common Retirement Fund
105
New York State Common Retirement Fund
New York
$160K
MSRPS
106
Maryland State Retirement & Pension System
Maryland
$157K
ASRS
107
Arizona State Retirement System
Arizona
$157K
ECM
108
Everence Capital Management
Indiana
$155K
State Board of Administration of Florida Retirement System
109
State Board of Administration of Florida Retirement System
Florida
$154K
AB
110
Amalgamated Bank
New York
$154K
VPIM
111
Vanguard Personalized Indexing Management
California
$146K
LPL Financial
112
LPL Financial
California
$140K
COPPSERS
113
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$139K
IP
114
Isthmus Partners
Wisconsin
$137K
Osaic Holdings
115
Osaic Holdings
Arizona
$135K
Amundi
116
Amundi
France
$134K
State of Tennessee, Department of Treasury
117
State of Tennessee, Department of Treasury
Tennessee
$132K
PFSRSONJ
118
Police & Firemen's Retirement System of New Jersey
New Jersey
$128K
Zurich Cantonal Bank
119
Zurich Cantonal Bank
Switzerland
$124K
OPERF
120
Oregon Public Employees Retirement Fund
Oregon
$124K
ProShare Advisors
121
ProShare Advisors
Maryland
$121K
VF
122
Virtu Financial
New York
$117K
Cerity Partners
123
Cerity Partners
New York
$117K
OC
124
Oppenheimer & Co
New York
$116K
ISL
125
Ingalls & Snyder LLC
New York
$115K