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Quest Diagnostics
DGX

Overview Fund Activity

952 hedge funds and large institutions have $17.2B invested in Quest Diagnostics in 2025 Q1 according to their latest regulatory filings, with 143 funds opening new positions, 311 increasing their positions, 332 reducing their positions, and 61 closing their positions.

Holders
952
Holders Change
+68
Holders Change %
+7.69%
% of All Funds
12.93%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
143
Increased
311
Reduced
332
Closed
61
Calls
$83.5M
Puts
$136M
Net Calls
-$52.3M
Net Calls Change
-$80.5M

Top Buyers

1
Boston Partners
1
Boston Partners
Massachusetts
$389M
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$638M
3
Nordea Investment Management
3
Nordea Investment Management
Sweden
$213M
4
Neuberger Berman Group
4
Neuberger Berman Group
New York
$108M
5
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$1.01B

Top Sellers

1
Norges Bank
1
Norges Bank
Norway
$0
2
Millennium Management
2
Millennium Management
New York
$2.58M
3
Aberdeen Group
3
Aberdeen Group
United Kingdom
$15M
4
American Century Companies
4
American Century Companies
Missouri
$205M
5
Marshall Wace
5
Marshall Wace
United Kingdom
$81.8M
Name Market Value Shares Shares
Change 		Shares
Change %
State of Wisconsin Investment Board
101
State of Wisconsin Investment Board
Wisconsin
$15.5M 91,426 +15,026 +20%
IP
102
Isthmus Partners
Wisconsin
$15.2M 89,874 -716 -0.8%
Aberdeen Group
103
Aberdeen Group
United Kingdom
$15M 89,084 -345,097 -79%
CM
104
Churchill Management
California
$15M 88,416 +88,416 New
New York State Teachers Retirement System (NYSTRS)
105
New York State Teachers Retirement System (NYSTRS)
New York
$14.6M 86,497 -825 -0.9%
Jane Street
106
Jane Street
New York
$14.5M 85,894 +67,020 +355%
AAB
107
ABN AMRO Bank
Netherlands
$14.5M 85,964 +3,681 +4%
Swedbank
108
Swedbank
Sweden
$14.4M 84,863 – –
BTW
109
Boston Trust Walden
Massachusetts
$14.3M 84,725 +11,795 +16%
Aviva
110
Aviva
United Kingdom
$14.2M 83,854 +12,704 +18%
AAIS
111
ABN AMRO Investment Solutions
$14.2M 83,713 +83,713 New
JWM
112
JGP Wealth Management
Oregon
$14M 83,017 -16,840 -17%
BGIM
113
Brandywine Global Investment Management
Pennsylvania
$13.7M 80,738 -5,647 -7%
Mitsubishi UFJ Trust & Banking
114
Mitsubishi UFJ Trust & Banking
Japan
$13.4M 78,973 -24,783 -24%
Credit Agricole
115
Credit Agricole
France
$13M 76,933 +35,688 +87%
BNP Paribas Asset Management
116
BNP Paribas Asset Management
France
$13M 76,752 -124 -0.2%
QCM
117
QRG Capital Management
Illinois
$12.8M 75,649 +2,006 +3%
National Bank of Canada
118
National Bank of Canada
Quebec, Canada
$12.7M 74,888 +22,626 +43%
Mercer Global Advisors
119
Mercer Global Advisors
Colorado
$12.5M 74,014 +4,862 +7%
Treasurer of the State of North Carolina
120
Treasurer of the State of North Carolina
North Carolina
$12.4M 73,269 -2,966 -4%
Adage Capital Partners
121
Adage Capital Partners
Massachusetts
$12.3M 72,624 -121,806 -63%
Ohio Public Employees Retirement System (OPERS)
122
Ohio Public Employees Retirement System (OPERS)
Ohio
$12.3M 72,552 +14,730 +25%
CIBC Asset Management
123
CIBC Asset Management
Ontario, Canada
$11.7M 69,018 +29,813 +76%
CI
124
Cambiar Investors
Colorado
$11.6M 68,730 -10,653 -13%
PP
125
Prudential plc
United Kingdom
$11.4M 67,229 -180 -0.3%
3 4
5
6 7