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Core Laboratories

190 hedge funds and large institutions have $601M invested in Core Laboratories in 2025 Q2 according to their latest regulatory filings, with 28 funds opening new positions, 69 increasing their positions, 59 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
190
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 +$31.2M
2 +$3.32M
3 +$2.71M
4
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$2.34M
5
GJL
Gendell Jeffrey L
+$1.33M

Top Sellers

1 -$11.1M
2 -$9.16M
3 -$2.65M
4
RA
Royce & Associates
New York
-$2.36M
5
FAM
Fred Alger Management
New York
-$2.28M
Name Holding Trade Value Shares
Change
Change in
Stake
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220