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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 %
MC
51
Moors & Cabot
Massachusetts
$852K +$42.6K +3,695 +5%
BP
52
BWM Planning
Texas
$749K – – –
CM
53
CoreCommodity Management
Connecticut
$748K -$10.2K -882 -1%
OAM
54
Oppenheimer Asset Management
New York
$725K -$71.8K -6,233 -9%
Point72 Asset Management
55
Point72 Asset Management
Connecticut
$718K +$718K +62,300 New
RBI
56
Raiffeisen Bank International
Austria
$682K -$511K -44,977 -43%
ACM
57
Aquatic Capital Management
Illinois
$655K +$473K +41,058 +260%
Creative Planning
58
Creative Planning
Kansas
$651K +$288K +24,994 +79%
Jane Street
59
Jane Street
New York
$626K -$372K -32,320 -37%
TI
60
Tidal Investments
Wisconsin
$591K +$3.51K +305 +0.6%
Balyasny Asset Management
61
Balyasny Asset Management
Illinois
$586K +$586K +50,863 New
Prudential Financial
62
Prudential Financial
New Jersey
$571K +$30K +2,600 +6%
AllianceBernstein
63
AllianceBernstein
Tennessee
$571K – – –
XT
64
XTX Topco
Cayman Islands
$559K +$440K +38,168 +369%
California State Teachers Retirement System (CalSTRS)
65
California State Teachers Retirement System (CalSTRS)
California
$505K – – –
T. Rowe Price Associates
66
T. Rowe Price Associates
Maryland
$485K +$29.6K +2,567 +7%
IIM
67
INTECH Investment Management
Florida
$480K -$63K -5,465 -12%
CAPTRUST Financial Advisors
68
CAPTRUST Financial Advisors
North Carolina
$431K +$45.3K +3,936 +12%
ECM
69
Exchange Capital Management
Michigan
$409K -$439K -38,138 -52%
KCM
70
Kornitzer Capital Management
Kansas
$403K -$5.82K -505 -1%
Thrivent Financial for Lutherans
71
Thrivent Financial for Lutherans
Minnesota
$398K +$910 +79 +0.2%
Deutsche Bank
72
Deutsche Bank
Germany
$397K -$89.4K -7,758 -18%
RI
73
Ridgewood Investments
New Jersey
$386K +$35 +3 +0%
Verition Fund Management
74
Verition Fund Management
Connecticut
$365K +$233K +20,233 +176%
D.E. Shaw & Co
75
D.E. Shaw & Co
New York
$354K -$203K -17,614 -36%
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3
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