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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
KFAS
176
Keating Financial Advisory Services
Kansas
$873
AGWCA
177
Annis Gardner Whiting Capital Advisors
Florida
$605
FMII
178
Farmers & Merchants Investments Inc
Nebraska
$571
S
179
Sachetta
Massachusetts
$538
MWA
180
Medallion Wealth Advisors
Connecticut
$504
AW
181
Ankerstar Wealth
Texas
$403
SHIM
182
Stone House Investment Management
Pennsylvania
$369
SS
183
SBI Securities
Japan
$168
IA
184
IFP Advisors
Florida
$134
GWM
185
Gilpin Wealth Management
Colorado
$84
MCM
186
MAI Capital Management
Ohio
$68
CVM
187
Cheviot Value Management
California
$67
HI
188
Harbour Investments
Wisconsin
$50
HF
189
HRT Financial
New York
ACM
190
Archon Capital Management
Washington
XT
191
XTX Topco
Cayman Islands
TI
192
Trexquant Investment
Connecticut
Squarepoint
193
Squarepoint
New York
ACM
194
Aquatic Capital Management
Illinois
GCP
195
GSA Capital Partners
United Kingdom
CIP
196
Cornerstone Investment Partners
Georgia
Canada Pension Plan Investment Board
197
Canada Pension Plan Investment Board
Ontario, Canada
A
198
AlphaQuest
New York
PIM
199
Platinum Investment Management
Australia
ACM
200
Aster Capital Management
United Arab Emirates