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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
12.95%
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
1
T. Rowe Price Associates
Maryland
$1.29B
2
MGP
2
M&G plc
United Kingdom
$193M
3
Boston Partners
3
Boston Partners
Massachusetts
$545M
4
Squarepoint
4
Squarepoint
New York
$151M
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$778M

Top Sellers

1
DSA
1
Davis Selected Advisers
Arizona
$243M
2
Nordea Investment Management
2
Nordea Investment Management
Sweden
$40.5M
3
American Century Companies
3
American Century Companies
Missouri
$143M
4
Victory Capital Management
4
Victory Capital Management
Texas
$505M
5
Marshall Wace
5
Marshall Wace
United Kingdom
$36.8M
Name Holding Trade Value Shares
Change 		Shares
Change %
DADC
751
D.A. Davidson & Co
Montana
$201K +$201K +1,118 New
KWM
752
KFG Wealth Management
Indiana
$200K +$200K +1,115 New
JGUA
753
John G. Ullman & Associates
New York
$200K +$200K +1,114 New
LS
754
Livforsakringsbolaget Skandia
Sweden
$195K – – –
CSPIA
755
Cary Street Partners Investment Advisory
Virginia
$193K +$7.18K +40 +4%
CFB
756
Cullen/Frost Bankers
Texas
$193K +$3.05K +17 +2%
PTC
757
Private Trust Company
Ohio
$193K +$4.13K +23 +2%
WTC
758
WhitTier Trust Company
Nevada
$190K -$1.08K -6 -0.6%
GRP
759
Global Retirement Partners
California
$186K +$186K +1,037 New
ST
760
Smithfield Trust
Pennsylvania
$182K -$894 -5 -0.5%
SWM
761
Spire Wealth Management
Virginia
$182K -$62K -345 -25%
IRC
762
Investors Research Corp
Georgia
$181K – – –
AP
763
Antipodes Partners
Australia
$180K +$35.6K +198 +25%
O
764
Ossiam
France
$179K +$56.8K +316 +46%
MA
765
Montag & Associates
Georgia
$171K – – –
HT
766
Headlands Technologies
Illinois
$171K +$171K +950 New
CT
767
Clearstead Trust
Maine
$170K +$39.5K +220 +30%
AC
768
AlphaCore Capital
California
$166K +$166K +925 New
WBC
769
Westpac Banking Corp
Australia
$157K -$3.16M -17,612 -95%
IWA
770
Icon Wealth Advisors
Texas
$153K -$3.95K -22 -3%
VNA
771
Valley National Advisers
Pennsylvania
$135K -$23.3K -130 -15%
SAM
772
Smartleaf Asset Management
Massachusetts
$120K -$32K -180 -21%
CCMW
773
Cypress Capital Management (Wyoming)
Wyoming
$108K – – –
CG
774
Curat Global
New Hampshire
$108K – – –
OIA
775
Optimum Investment Advisors
Illinois
$108K – – –
29 30
31
32 33