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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 %
Vanguard Group
1
Vanguard Group
Pennsylvania
$2.36B 13,936,716 -23,742 -0.2%
BlackRock
2
BlackRock
New York
$1.71B 10,097,310 -27,367 -0.3%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$1.01B 5,984,238 +493,960 +9%
State Street
4
State Street
Massachusetts
$876M 5,176,859 -44,617 -0.9%
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$638M 3,769,938 +1,336,025 +55%
Victory Capital Management
6
Victory Capital Management
Texas
$530M 3,133,527 -226,459 -7%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$468M 2,774,154 +84,133 +3%
DSA
8
Davis Selected Advisers
Arizona
$404M 2,388,302 -8,958 -0.4%
Boston Partners
9
Boston Partners
Massachusetts
$389M 2,295,746 +2,295,746 New
Grantham, Mayo, Van Otterloo & Co (GMO)
10
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$340M 2,006,545 -262,445 -12%
Dimensional Fund Advisors
11
Dimensional Fund Advisors
Texas
$324M 1,912,560 -128,905 -6%
Morgan Stanley
12
Morgan Stanley
New York
$302M 1,785,118 +143,864 +9%
Wells Fargo
13
Wells Fargo
California
$300M 1,772,330 +352,924 +25%
Wellington Management Group
14
Wellington Management Group
Massachusetts
$297M 1,758,265 -25,903 -1%
Invesco
15
Invesco
Georgia
$216M 1,276,732 -104,800 -8%
Nordea Investment Management
16
Nordea Investment Management
Sweden
$213M 1,256,631 +732,631 +140%
FMI
17
Fiduciary Management Inc
Wisconsin
$212M 1,251,402 -51,298 -4%
American Century Companies
18
American Century Companies
Missouri
$205M 1,211,911 -313,011 -21%
AllianceBernstein
19
AllianceBernstein
Tennessee
$199M 1,177,572 +84,530 +8%
Bank of America
20
Bank of America
North Carolina
$199M 1,173,203 +456,586 +64%
Northern Trust
21
Northern Trust
Illinois
$198M 1,171,804 -24,625 -2%
UBS AM
22
UBS AM
Illinois
$171M 1,013,030 +10,651 +1%
Fidelity Investments
23
Fidelity Investments
Massachusetts
$166M 981,350 -155,764 -14%
Ameriprise
24
Ameriprise
Minnesota
$163M 961,154 +6,079 +0.6%
UBS Group
25
UBS Group
Switzerland
$159M 941,712 -23,277 -2%
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