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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 %
SEI Investments
76
SEI Investments
Pennsylvania
$24.8M 146,636 -11,690 -7%
AAMU
77
AEGON Asset Management (UK)
United Kingdom
$24.1M 142,613 -2,160 -1%
Citigroup
78
Citigroup
New York
$23.8M 140,488 +45,043 +47%
AIM
79
Achmea Investment Management
Netherlands
$23.1M 136,466 -1,680 -1%
VRS
80
Virginia Retirement Systems
Virginia
$23M 136,048 +136,048 New
Citadel Advisors
81
Citadel Advisors
Florida
$23M 136,043 +136,043 New
Skandinaviska Enskilda Banken (SEB)
82
Skandinaviska Enskilda Banken (SEB)
Sweden
$22.5M 133,077 +107,033 +411%
Stifel Financial
83
Stifel Financial
Missouri
$21.3M 126,000 -85 -0.1%
8KM
84
8 Knots Management
Texas
$20.9M 123,555 +123,555 New
Robeco Institutional Asset Management
85
Robeco Institutional Asset Management
Netherlands
$20.6M 121,732 +4,452 +4%
CCM
86
Causeway Capital Management
California
$20.4M 120,400 -184,081 -60%
WIC
87
Willis Investment Counsel
Georgia
$20.3M 120,100 – –
TAM
88
Tocqueville Asset Management
New York
$19.3M 113,853 -8,282 -7%
Natixis Advisors
89
Natixis Advisors
Massachusetts
$19M 112,232 +8,257 +8%
Chevy Chase Trust
90
Chevy Chase Trust
Maryland
$19M 112,130 +10,342 +10%
SAM
91
Silvercrest Asset Management
New York
$18.3M 108,070 +27,349 +34%
State Board of Administration of Florida Retirement System
92
State Board of Administration of Florida Retirement System
Florida
$17.6M 103,895 – –
TD Asset Management
93
TD Asset Management
Ontario, Canada
$17.3M 102,530 +6,825 +7%
FP
94
Foundry Partners
Minnesota
$17.3M 102,473 -5,845 -5%
HA
95
Heartland Advisors
Wisconsin
$17.3M 102,472 -52,729 -34%
FCI
96
Financial Counselors Inc
Kansas
$16.9M 99,631 -1,607 -2%
RI
97
RTW Investments
New York
$16.8M 98,997 +98,997 New
DCP
98
Distillate Capital Partners
Illinois
$16.6M 98,351 -6,752 -6%
SIC
99
Schwartz Investment Counsel
Michigan
$16.2M 95,900 – –
GT
100
Glenmede Trust
Pennsylvania
$16M 94,623 -3,102 -3%
2 3
4
5 6