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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 %
PK
851
Pflug Koory
Nebraska
$20.7K – – –
SC
852
Solstein Capital
California
$20.7K +$19K +106 +1,178%
MHR
853
Matthew Hamilton Rosenberg
$20.1K – – –
CA
854
Centerpoint Advisors
Massachusetts
$20K – – –
PAI
855
Pittenger & Anderson Inc
Nebraska
$19.8K – – –
QL
856
Quarry LP
New York
$19.6K -$64.3K -358 -77%
LI
857
LRI Investments
Florida
$19.6K – – –
SOW
858
State of Wyoming
Wyoming
$19.4K -$130K -726 -87%
GTAM
859
Global Trust Asset Management
Florida
$18K – – –
CAM
860
Costello Asset Management
Pennsylvania
$18K – – –
BCPWM
861
Bradley & Co Private Wealth Management
Florida
$18K – – –
AWM
862
Abound Wealth Management
Tennessee
$17.5K – – –
AW
863
Avion Wealth
Texas
$17K +$1.61K +9 +10%
WA
864
Whipplewood Advisors
Colorado
$16.9K +$11.3K +63 +203%
OP
865
ORG Partners
Indiana
$16.6K +$5.58K +31 +51%
MCM
866
Manchester Capital Management
Vermont
$16.3K – – –
IGAM
867
iA Global Asset Management
Quebec, Canada
$15K +$15K +86 New
NC
868
NewSquare Capital
Pennsylvania
$14.7K +$5.21K +29 +55%
JWA
869
JFS Wealth Advisors
Pennsylvania
$14.6K +$719 +4 +5%
MCM
870
MV Capital Management
Maryland
$14.2K +$1.08K +6 +8%
BA
871
Bellwether Advisors
Nebraska
$13.5K – – –
GSWM
872
Golden State Wealth Management
California
$13.5K – – –
SSG
873
Summit Securities Group
New York
$13.5K +$13.5K +75 New
HIA
874
Harbor Investment Advisory
Maryland
$13.1K – – –
OAJ
875
Ogorek Anthony Joseph
New York
$13K +$527 +3 +4%
33 34
35
36 37