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Core Laboratories
CLB

Overview Fund Activity

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
-5
Holders Change %
-2.56%
% of All Funds
2.55%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
28
Increased
69
Reduced
59
Closed
31
Calls
$500K
Puts
$766K
Net Calls
-$266K
Net Calls Change
-$100K

Top Buyers

1
AI
1
Ariel Investments
Illinois
$149M
2
Millennium Management
2
Millennium Management
New York
$3.71M
3
State Street
3
State Street
Massachusetts
$24.9M
4
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$13.5M
5
GJL
5
Gendell Jeffrey L
$6.56M

Top Sellers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$51.6M
2
BTW
2
Boston Trust Walden
Massachusetts
$0
3
T. Rowe Price Investment Management
3
T. Rowe Price Investment Management
Maryland
$10.1M
4
RA
4
Royce & Associates
New York
$8.9M
5
FAM
5
Fred Alger Management
New York
$6.27M
Name Holding Trade Value Shares
Change 		Shares
Change %
Bank of America
26
Bank of America
North Carolina
$2.67M +$730K +63,381 +38%
Invesco
27
Invesco
Georgia
$2.65M -$48.7K -4,225 -2%
Raymond James Financial
28
Raymond James Financial
Florida
$2.55M +$318K +27,563 +14%
TI
29
Trexquant Investment
Connecticut
$2.43M +$959K +83,263 +65%
Russell Investments Group
30
Russell Investments Group
United Kingdom
$2.27M +$518K +44,949 +30%
Ameriprise
31
Ameriprise
Minnesota
$2.24M +$156K +13,522 +7%
RHJA
32
Rice Hall James & Associates
California
$2.06M -$173K -15,013 -8%
UBS AM
33
UBS AM
Illinois
$1.91M +$607K +52,732 +47%
Public Sector Pension Investment Board (PSP Investments)
34
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$1.84M +$126K +10,961 +7%
NL
35
Nuveen LLC
North Carolina
$1.71M -$268K -23,252 -14%
Citadel Advisors
36
Citadel Advisors
Florida
$1.67M +$153K +13,319 +10%
Legal & General Group
37
Legal & General Group
United Kingdom
$1.62M +$4.17K +362 +0.3%
RhumbLine Advisers
38
RhumbLine Advisers
Massachusetts
$1.62M +$18.6K +1,611 +1%
American Century Companies
39
American Century Companies
Missouri
$1.53M +$192K +16,677 +14%
Goldman Sachs
40
Goldman Sachs
New York
$1.4M -$830K -72,035 -37%
Citigroup
41
Citigroup
New York
$1.34M +$565K +49,005 +73%
Royal Bank of Canada
42
Royal Bank of Canada
Ontario, Canada
$1.14M +$1.03M +89,360 +939%
ECM
43
ExodusPoint Capital Management
New York
$1.13M +$243K +21,082 +27%
WG
44
Winton Group
United Kingdom
$1.1M +$224K +19,477 +26%
Squarepoint
45
Squarepoint
New York
$1.08M -$604K -52,395 -36%
HF
46
HRT Financial
New York
$1.04M +$1.04M +90,405 New
Barclays
47
Barclays
United Kingdom
$1.03M +$289K +25,125 +39%
Swiss National Bank
48
Swiss National Bank
Switzerland
$1.03M -$31.1K -2,700 -3%
AWA
49
Arkadios Wealth Advisors
Georgia
$978K +$978K +84,896 New
Susquehanna International Group
50
Susquehanna International Group
Pennsylvania
$972K +$33.9K +2,946 +4%
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