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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
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 %
BGIM
126
Brandywine Global Investment Management
Pennsylvania
$14.2M -$343K -1,910 -2%
LPL Financial
127
LPL Financial
California
$14.1M +$2.57M +14,295 +22%
SEI Investments
128
SEI Investments
Pennsylvania
$14M -$12.3M -68,505 -47%
Pathstone Holdings
129
Pathstone Holdings
New Jersey
$13.4M -$16.1M -89,740 -55%
BCAM
130
Boston Common Asset Management
Massachusetts
$13.3M +$13.3M +74,250 New
ACM
131
Aquatic Capital Management
Illinois
$13M +$11.4M +63,663 +735%
Ohio Public Employees Retirement System (OPERS)
132
Ohio Public Employees Retirement System (OPERS)
Ohio
$12.2M -$787K -4,384 -6%
HW
133
Hancock Whitney
Mississippi
$12.1M +$10.7M +59,471 +779%
Vontobel Holding
134
Vontobel Holding
Switzerland
$12M +$4.08M +22,719 +52%
BCM
135
Becker Capital Management
Oregon
$11.7M -$171K -954 -1%
EWA
136
Exencial Wealth Advisors
Oklahoma
$11.5M -$572K -3,186 -5%
Prudential Financial
137
Prudential Financial
New Jersey
$11.5M +$672K +3,740 +6%
Commonwealth Equity Services
138
Commonwealth Equity Services
Massachusetts
$10.5M -$501K -2,787 -5%
SIA
139
Sit Investment Associates
Minnesota
$10.4M -$989K -5,507 -9%
AM
140
Atwater Malick
Pennsylvania
$10.2M +$3.23K +18 +0%
Focus Partners Wealth
141
Focus Partners Wealth
Massachusetts
$9.71M -$278K -1,550 -3%
Truist Financial
142
Truist Financial
North Carolina
$9.7M -$233K -1,298 -2%
New York State Common Retirement Fund
143
New York State Common Retirement Fund
New York
$9.53M -$1.37M -7,619 -13%
KBC Group
144
KBC Group
Belgium
$9.51M +$3.52M +19,588 +59%
ADEF
145
Adams Diversified Equity Fund
Maryland
$9.36M – – –
QCM
146
Quantinno Capital Management
New York
$9.28M +$4.36M +24,259 +88%
HA
147
Heartland Advisors
Wisconsin
$9.27M -$9.14M -50,877 -50%
HCM
148
Hilton Capital Management
New York
$9.11M -$61.6K -343 -0.7%
ILCM
149
Ivy Lane Capital Management
Florida
$8.98M -$1.26M -7,000 -12%
Mariner
150
Mariner
Kansas
$8.84M -$570K -3,172 -6%
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6
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