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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 %
Swiss National Bank
51
Swiss National Bank
Switzerland
$53.3M 314,800 +400 +0.1%
Macquarie Group
52
Macquarie Group
Australia
$52.1M 307,869 -50,241 -14%
MGP
53
M&G plc
United Kingdom
$50.9M 300,897 -20,019 -6%
RhumbLine Advisers
54
RhumbLine Advisers
Massachusetts
$48.6M 287,218 +7,578 +3%
CS
55
Candriam SCA
Luxembourg
$47.1M 278,656 +110,946 +66%
Sumitomo Mitsui Trust Group
56
Sumitomo Mitsui Trust Group
Japan
$47.1M 278,180 +1,207 +0.4%
Pictet Asset Management
57
Pictet Asset Management
Switzerland
$44.3M 261,583 -39,646 -13%
ACM
58
Advisors Capital Management
New Jersey
$42.5M 251,255 +6,771 +3%
HSBC Holdings
59
HSBC Holdings
United Kingdom
$38.8M 229,709 -12,798 -5%
Schroder Investment Management Group
60
Schroder Investment Management Group
United Kingdom
$38.7M 231,133 +153,817 +199%
National Pension Service
61
National Pension Service
South Korea
$38.5M 227,378 +8,809 +4%
Manulife (Manufacturers Life Insurance)
62
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$38.1M 225,204 -777 -0.3%
Universal-Beteiligungs- und Servicegesellschaft
63
Universal-Beteiligungs- und Servicegesellschaft
Germany
$37.2M 219,726 -3,644 -2%
Bank of Montreal
64
Bank of Montreal
Ontario, Canada
$35.9M 212,258 -13,558 -6%
Balyasny Asset Management
65
Balyasny Asset Management
Illinois
$35.1M 207,256 +94,693 +84%
Mitsubishi UFJ Asset Management
66
Mitsubishi UFJ Asset Management
Japan
$33.5M 197,835 +20,446 +12%
CCM
67
Copeland Capital Management
Pennsylvania
$33.2M 196,262 -3,044 -2%
WCM
68
Wedge Capital Management
North Carolina
$32.5M 192,370 +11,006 +6%
CP
69
Coho Partners
Pennsylvania
$30.8M 182,263 +182,263 New
CPC
70
Cookson Peirce & Co
Pennsylvania
$29.2M 172,652 +172,652 New
California State Teachers Retirement System (CalSTRS)
71
California State Teachers Retirement System (CalSTRS)
California
$28.9M 170,781 -844 -0.5%
APG Asset Management
72
APG Asset Management
Netherlands
$28.2M 179,834 -16,105 -8%
Pathstone Holdings
73
Pathstone Holdings
New Jersey
$27.8M 164,321 +119,997 +271%
Massachusetts Financial Services
74
Massachusetts Financial Services
Massachusetts
$26.9M 158,749 -385 -0.2%
Squarepoint
75
Squarepoint
New York
$26.2M 154,994 +151,854 +4,836%
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