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Core Laboratories
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Overview Fund Activity

195 hedge funds and large institutions have $762M invested in Core Laboratories in 2025 Q1 according to their latest regulatory filings, with 23 funds opening new positions, 55 increasing their positions, 77 reducing their positions, and 33 closing their positions.

Holders
195
Holders Change
-13
Holders Change %
-6.25%
% of All Funds
2.65%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
23
Increased
55
Reduced
77
Closed
33
Calls
$321K
Puts
$487K
Net Calls
-$166K
Net Calls Change
-$263K

Top Buyers

1
AI
1
Ariel Investments
Illinois
$155M
2
Hotchkis & Wiley Capital Management
2
Hotchkis & Wiley Capital Management
California
$6.01M
3
FAM
3
Fred Alger Management
New York
$11M
4
NL
4
Nuveen LLC
North Carolina
$2.57M
5
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$14.6M

Top Sellers

1
BlackRock
1
BlackRock
New York
$113M
2
Morgan Stanley
2
Morgan Stanley
New York
$8.84M
3
Raymond James Financial
3
Raymond James Financial
Florida
$2.91M
4
Vanguard Group
4
Vanguard Group
Pennsylvania
$81.2M
5
CIM
5
Confluence Investment Management
Missouri
$0
Name Market Value Shares Shares
Change 		Shares
Change %
TRSOTSOK
101
Teachers Retirement System of the State of Kentucky
Kentucky
$231K 15,373 – –
Pathstone Holdings
102
Pathstone Holdings
New Jersey
$227K 15,169 -7,425 -33%
LPL Financial
103
LPL Financial
California
$220K 14,649 +14,649 New
New York State Common Retirement Fund
104
New York State Common Retirement Fund
New York
$208K 13,896 – –
VOYA Investment Management
105
VOYA Investment Management
Georgia
$207K 13,794 -1,258 -8%
MSRPS
106
Maryland State Retirement & Pension System
Maryland
$205K 13,665 -2,177 -14%
ASRS
107
Arizona State Retirement System
Arizona
$202K 13,468 -148 -1%
FGP
108
Freestone Grove Partners
California
$201K 13,406 +2,961 +28%
State Board of Administration of Florida Retirement System
109
State Board of Administration of Florida Retirement System
Florida
$201K 13,390 – –
AB
110
Amalgamated Bank
New York
$200K 13,335 -396 -3%
Cerity Partners
111
Cerity Partners
New York
$198K 13,229 -3,243 -20%
Simplex Trading
112
Simplex Trading
Illinois
$194K 12,946 +12,587 +3,506%
Verition Fund Management
113
Verition Fund Management
Connecticut
$172K 11,486 -28,065 -71%
IP
114
Isthmus Partners
Wisconsin
$172K 11,468 +249 +2%
State of Tennessee, Department of Treasury
115
State of Tennessee, Department of Treasury
Tennessee
$171K 11,439 – –
COPPSERS
116
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$168K 11,206 +1,183 +12%
PFSRSONJ
117
Police & Firemen's Retirement System of New Jersey
New Jersey
$166K 11,090 +1,725 +18%
ProShare Advisors
118
ProShare Advisors
Maryland
$166K 11,054 -3,098 -22%
Zurich Cantonal Bank
119
Zurich Cantonal Bank
Switzerland
$162K 10,787 – –
OPERF
120
Oregon Public Employees Retirement Fund
Oregon
$161K 10,740 -300 -3%
EI
121
Ethic Inc
New York
$159K 10,588 -3,863 -27%
CWM
122
CIBC World Markets
New York
$156K 10,419 +10,419 New
Schroder Investment Management Group
123
Schroder Investment Management Group
United Kingdom
$156K 10,184 +10,184 New
XT
124
XTX Topco
Cayman Islands
$155K 10,340 +10,340 New
OC
125
Oppenheimer & Co
New York
$151K 10,087 – –
3 4
5
6 7