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Core Laboratories
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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 %
BP
51
BWM Planning
Texas
$749K 65,036 – –
CM
52
CoreCommodity Management
Connecticut
$748K 64,902 -882 -1%
OAM
53
Oppenheimer Asset Management
New York
$725K 62,951 -6,233 -9%
Point72 Asset Management
54
Point72 Asset Management
Connecticut
$718K 62,300 +62,300 New
RBI
55
Raiffeisen Bank International
Austria
$682K 60,000 -44,977 -43%
ACM
56
Aquatic Capital Management
Illinois
$655K 56,827 +41,058 +260%
Creative Planning
57
Creative Planning
Kansas
$651K 56,514 +24,994 +79%
Jane Street
58
Jane Street
New York
$626K 54,343 -32,320 -37%
TI
59
Tidal Investments
Wisconsin
$591K 51,316 +305 +0.6%
Balyasny Asset Management
60
Balyasny Asset Management
Illinois
$586K 50,863 +50,863 New
Prudential Financial
61
Prudential Financial
New Jersey
$571K 49,598 +2,600 +6%
AllianceBernstein
62
AllianceBernstein
Tennessee
$571K 49,530 – –
XT
63
XTX Topco
Cayman Islands
$559K 48,508 +38,168 +369%
California State Teachers Retirement System (CalSTRS)
64
California State Teachers Retirement System (CalSTRS)
California
$505K 43,832 – –
T. Rowe Price Associates
65
T. Rowe Price Associates
Maryland
$485K 42,037 +2,567 +7%
IIM
66
INTECH Investment Management
Florida
$480K 41,703 -5,465 -12%
CAPTRUST Financial Advisors
67
CAPTRUST Financial Advisors
North Carolina
$431K 37,401 +3,936 +12%
ECM
68
Exchange Capital Management
Michigan
$409K 35,489 -38,138 -52%
KCM
69
Kornitzer Capital Management
Kansas
$403K 35,010 -505 -1%
Thrivent Financial for Lutherans
70
Thrivent Financial for Lutherans
Minnesota
$398K 34,561 +79 +0.2%
Deutsche Bank
71
Deutsche Bank
Germany
$397K 34,449 -7,758 -18%
RI
72
Ridgewood Investments
New Jersey
$386K 33,489 +3 +0%
Verition Fund Management
73
Verition Fund Management
Connecticut
$365K 31,719 +20,233 +176%
D.E. Shaw & Co
74
D.E. Shaw & Co
New York
$354K 30,738 -17,614 -36%
AIM
75
Aigen Investment Management
New York
$351K 30,491 +30,491 New
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