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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 %
AI
1
Ariel Investments
Illinois
$149M 12,976,463 +2,634,438 +25%
BlackRock
2
BlackRock
New York
$84.5M 7,331,949 -175,998 -2%
DGI
3
Disciplined Growth Investors
Minnesota
$62.7M 5,440,884 -50,838 -0.9%
Vanguard Group
4
Vanguard Group
Pennsylvania
$51.6M 4,479,090 -937,528 -17%
EARNEST Partners
5
EARNEST Partners
Georgia
$41.5M 3,603,029 -27,250 -0.8%
State Street
6
State Street
Massachusetts
$24.9M 2,162,776 +228,661 +12%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$13.5M 1,169,468 +196,907 +20%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$12.8M 1,114,560 +32,934 +3%
T. Rowe Price Investment Management
9
T. Rowe Price Investment Management
Maryland
$10.1M 875,041 -223,587 -20%
Fisher Asset Management
10
Fisher Asset Management
Washington
$10M 867,726 -143,838 -14%
RA
11
Royce & Associates
New York
$8.9M 772,360 -198,827 -20%
Northern Trust
12
Northern Trust
Illinois
$7.01M 608,359 +77,374 +15%
GJL
13
Gendell Jeffrey L
$6.56M 569,471 +112,475 +25%
FAM
14
Fred Alger Management
New York
$6.27M 544,408 -192,445 -26%
Charles Schwab
15
Charles Schwab
California
$6.23M 540,982 +42,992 +9%
Morgan Stanley
16
Morgan Stanley
New York
$5.55M 481,545 -108,034 -18%
Hotchkis & Wiley Capital Management
17
Hotchkis & Wiley Capital Management
California
$5.27M 457,870 +57,080 +14%
Bank of New York Mellon
18
Bank of New York Mellon
New York
$4.67M 405,508 -4,938 -1%
VanEck Associates
19
VanEck Associates
New York
$4.03M 349,597 -45,503 -12%
UBS Group
20
UBS Group
Switzerland
$3.95M 342,871 -33,973 -9%
Millennium Management
21
Millennium Management
New York
$3.71M 322,089 +279,926 +664%
Envestnet Asset Management
22
Envestnet Asset Management
Illinois
$3.26M 282,871 +28,866 +11%
ACM
23
Advisors Capital Management
New Jersey
$3.17M 275,063 +36,196 +15%
Principal Financial Group
24
Principal Financial Group
Iowa
$2.95M 256,032 +22,203 +9%
Wells Fargo
25
Wells Fargo
California
$2.79M 241,943 +17,578 +8%
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