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Quest Diagnostics
DGX

Overview Fund Activity

965 hedge funds and large institutions have $19.2B invested in Quest Diagnostics in 2025 Q2 according to their latest regulatory filings, with 117 funds opening new positions, 358 increasing their positions, 323 reducing their positions, and 83 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
965
Holders Change
+13
Holders Change %
+1.37%
% of All Funds
12.94%
Holding in Top 10
4
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+300%
% of All Funds
0.05%
New
117
Increased
358
Reduced
323
Closed
83
Calls
$88.3M
Puts
$133M
Net Calls
-$44.5M
Net Calls Change
+$7.83M

Top Buyers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$1.29B
2
MGP
M&G plc
United Kingdom
$193M
3
Boston Partners
Boston Partners
Massachusetts
$545M
4
Squarepoint
Squarepoint
New York
$151M
5
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$778M

Top Sellers

1
DSA
Davis Selected Advisers
Arizona
$243M
2
Nordea Investment Management
Nordea Investment Management
Sweden
$40.5M
3
American Century Companies
American Century Companies
Missouri
$143M
4
Victory Capital Management
Victory Capital Management
Texas
$505M
5
Marshall Wace
Marshall Wace
United Kingdom
$36.8M
Name Holding Trade Value Shares
Change 		Shares
Change %
PI
976
PGGM Investments
Netherlands
– -$4.27M -25,230 Closed
LA
977
LBP AM
France
– -$3.66M -21,632 Closed
SCM
978
Sandler Capital Management
New York
– -$3.38M -19,993 Closed
PEAK6
979
PEAK6
Illinois
– -$3.27M -19,310 Closed
KWM
980
Kingsview Wealth Management
Oregon
– -$2.91M -17,184 Closed
CAU
981
Caxton Associates (UK)
– -$2.35M -13,892 Closed
IG
982
ING Group
Netherlands
– -$2.21M -13,074 Closed
Two Sigma Investments
983
Two Sigma Investments
New York
– -$1.78M -10,539 Closed
IFU
984
iSAM Funds (UK)
United Kingdom
– -$1.52M -9,005 Closed
EP
985
Edgestream Partners
New Jersey
– -$1.52M -8,975 Closed
1832 Asset Management
986
1832 Asset Management
Ontario, Canada
– -$1.5M -8,836 Closed
Arrowstreet Capital
987
Arrowstreet Capital
Massachusetts
– -$1.35M -7,965 Closed
XT
988
XTX Topco
Cayman Islands
– -$1.32M -7,779 Closed
YIH
989
Y-Intercept (HK)
Hong Kong
– -$1.23M -7,258 Closed
AC
990
Allstate Corporation
Illinois
– -$1.21M -7,130 Closed
HF
991
HRT Financial
New York
– -$1.15M -6,782 Closed
BC
992
Bridgefront Capital
Texas
– -$1.09M -6,456 Closed
DZ Bank
993
DZ Bank
Germany
– -$1.08M -6,409 Closed
ALMGDA
994
AG2R La Mondiale Gestion d'Actifs
France
– -$1.1M -6,361 Closed
WW
995
Winnow Wealth
Texas
– -$1.04M -6,141 Closed
Simplex Trading
996
Simplex Trading
Illinois
– -$889K -5,259 Closed
CCIA
997
Campbell & Co Investment Adviser
Maryland
– -$865K -5,110 Closed
VF
998
Virtu Financial
New York
– -$762K -4,503 Closed
CCM
999
Cinctive Capital Management
New York
– -$759K -4,488 Closed
WWM
1000
Waterway Wealth Management
Texas
– -$720K -4,257 Closed
38 39
40
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