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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
New York State Teachers Retirement System (NYSTRS)
126
New York State Teachers Retirement System (NYSTRS)
New York
$129K
Osaic Holdings
127
Osaic Holdings
Arizona
$114K
GI
128
GAMMA Investing
California
$106K
US Bancorp
129
US Bancorp
Minnesota
$87.6K
QCG
130
Quadrant Capital Group
Ohio
$81.4K
SOW
131
State of Wyoming
Wyoming
$77.7K
AIP
132
Ameritas Investment Partners
Nebraska
$65.9K
PWPS
133
Pinnacle Wealth Planning Services
Ohio
$56.1K
HFS
134
Hantz Financial Services
Michigan
$51K
BNP Paribas Asset Management
135
BNP Paribas Asset Management
France
$47.3K
Carson Wealth (CWM LLC)
136
Carson Wealth (CWM LLC)
Nebraska
$42.6K
TRCT
137
Tower Research Capital (TRC)
New York
$37.9K
SSG
138
Summit Securities Group
New York
$31.4K
SCM
139
Sterling Capital Management
North Carolina
$26.1K
S
140
SignatureFD
Georgia
$24.2K
VCM
141
Versant Capital Management
Arizona
$21K
AF
142
Allworth Financial
California
$16.7K
QT
143
Quantbot Technologies
New York
$16.7K
PA
144
Parallel Advisors
California
$15.2K
Jones Financial Companies
145
Jones Financial Companies
Missouri
$14.5K
AssetMark Inc
146
AssetMark Inc
California
$13.6K
Royal Bank of Canada
147
Royal Bank of Canada
Ontario, Canada
$13K
Nisa Investment Advisors
148
Nisa Investment Advisors
Missouri
$11.2K
EWA
149
EverSource Wealth Advisors
Alabama
$10.8K
CFB
150
Cullen/Frost Bankers
Texas
$10.1K