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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 %
Swiss National Bank
51
Swiss National Bank
Switzerland
$60.7M +$4.15M +23,100 +7%
Pictet Asset Management
52
Pictet Asset Management
Switzerland
$57.4M +$10.4M +57,876 +22%
Allianz Asset Management
53
Allianz Asset Management
Germany
$54.7M -$15.2M -84,694 -22%
BNP Paribas Asset Management
54
BNP Paribas Asset Management
France
$52.8M +$39M +217,187 +283%
Citigroup
55
Citigroup
New York
$52.8M +$27.5M +153,200 +109%
Macquarie Group
56
Macquarie Group
Australia
$52.4M -$2.87M -15,983 -5%
ACM
57
Advisors Capital Management
New Jersey
$50.9M +$5.77M +32,131 +13%
BG
58
Bahl & Gaynor
Ohio
$50.5M -$6.07M -33,818 -11%
RhumbLine Advisers
59
RhumbLine Advisers
Massachusetts
$50.2M -$1.35M -7,490 -3%
Sumitomo Mitsui Trust Group
60
Sumitomo Mitsui Trust Group
Japan
$49.4M -$553K -3,077 -1%
CS
61
Candriam SCA
Luxembourg
$47.7M -$2.31M -12,885 -5%
BNP Paribas Financial Markets
62
BNP Paribas Financial Markets
France
$44.4M -$21.6M -120,098 -33%
National Pension Service
63
National Pension Service
South Korea
$40.8M -$35.6K -198 -0.1%
Nordea Investment Management
64
Nordea Investment Management
Sweden
$40.5M -$183M -1,029,219 -82%
AIM
65
Artemis Investment Management
United Kingdom
$40.1M +$40.1M +223,448 New
HSBC Holdings
66
HSBC Holdings
United Kingdom
$39.9M -$1.34M -7,444 -3%
Manulife (Manufacturers Life Insurance)
67
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$39.5M -$920K -5,119 -2%
Mitsubishi UFJ Asset Management
68
Mitsubishi UFJ Asset Management
Japan
$38.8M +$3.28M +18,268 +9%
Marshall Wace
69
Marshall Wace
United Kingdom
$36.8M -$50M -278,204 -58%
Bank of Montreal
70
Bank of Montreal
Ontario, Canada
$36.3M -$1.85M -10,296 -5%
Universal-Beteiligungs- und Servicegesellschaft
71
Universal-Beteiligungs- und Servicegesellschaft
Germany
$35.6M -$3.82M -21,269 -10%
APG Asset Management
72
APG Asset Management
Netherlands
$34.4M +$6.89M +45,034 +25%
Skandinaviska Enskilda Banken (SEB)
73
Skandinaviska Enskilda Banken (SEB)
Sweden
$34M +$10.1M +56,082 +42%
California State Teachers Retirement System (CalSTRS)
74
California State Teachers Retirement System (CalSTRS)
California
$33.9M +$3.26M +18,170 +11%
8KM
75
8 Knots Management
Texas
$31.7M +$9.52M +52,983 +43%
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