CLB icon

Core Laboratories
CLB

Overview Fund Activity

188 hedge funds and large institutions have $600M invested in Core Laboratories in 2025 Q2 according to their latest regulatory filings, with 28 funds opening new positions, 68 increasing their positions, 58 reducing their positions, and 30 closing their positions.

Holders
188
Holders Change
-7
Holders Change %
-3.59%
% of All Funds
2.52%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
28
Increased
68
Reduced
58
Closed
30
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 Market Value Shares Shares
Change 		Shares
Change %
MIM
76
MetLife Investment Management
New Jersey
$336K 29,141 – –
SOADOR
77
State of Alaska Department of Revenue
Alaska
$321K 27,926 +1,979 +8%
CCIA
78
Campbell & Co Investment Adviser
Maryland
$298K 25,831 +25,831 New
JPMorgan Chase & Co
79
JPMorgan Chase & Co
New York
$297K 25,742 -18,220 -41%
Mirae Asset Global ETFs Holdings
80
Mirae Asset Global ETFs Holdings
Hong Kong
$296K 25,732 -2,161 -8%
Two Sigma Investments
81
Two Sigma Investments
New York
$293K 25,391 -26,769 -51%
Franklin Resources
82
Franklin Resources
California
$274K 23,768 -3,791 -14%
PIM
83
Platinum Investment Management
Australia
$263K 22,869 +2,844 +14%
Mackenzie Financial
84
Mackenzie Financial
Ontario, Canada
$263K 22,801 -1,755 -7%
IMRF
85
Illinois Municipal Retirement Fund
Illinois
$259K 22,468 -510 -2%
LSERS
86
Louisiana State Employees Retirement System
Louisiana
$252K 21,900 -200 -0.9%
CSS
87
Cubist Systematic Strategies
Connecticut
$250K 21,725 +21,725 New
QCM
88
Quantinno Capital Management
New York
$242K 21,039 +21,039 New
SEI Investments
89
SEI Investments
Pennsylvania
$231K 20,093 -202 -1%
Janus Henderson Group
90
Janus Henderson Group
United Kingdom
$229K 19,854 – –
New York State Teachers Retirement System (NYSTRS)
91
New York State Teachers Retirement System (NYSTRS)
New York
$228K 19,818 – –
PNC Financial Services Group
92
PNC Financial Services Group
Pennsylvania
$216K 18,740 -3,235 -15%
Manulife (Manufacturers Life Insurance)
93
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$207K 17,932 +1,040 +6%
QT
94
Quantbot Technologies
New York
$202K 17,520 +13,571 +344%
FRM
95
Fox Run Management
Connecticut
$202K 17,493 +17,493 New
YCM
96
Yousif Capital Management
Michigan
$198K 17,175 -256 -1%
Comerica Bank
97
Comerica Bank
Texas
$191K 16,621 -1,512 -8%
COI
98
Connable Office Inc
Michigan
$189K 16,445 – –
BHCM
99
Brevan Howard Capital Management
Jersey
$189K 16,370 +16,370 New
A
100
AlphaQuest
New York
$185K 16,071 +13,412 +504%
2 3
4
5 6