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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 %
CCM
76
Copeland Capital Management
Pennsylvania
$31.7M -$3.59M -19,998 -10%
WCM
77
Wedge Capital Management
North Carolina
$31.3M -$3.25M -18,080 -9%
CPC
78
Cookson Peirce & Co
Pennsylvania
$30.5M -$511K -2,842 -2%
Mackenzie Financial
79
Mackenzie Financial
Ontario, Canada
$28.1M +$25.9M +143,935 +1,149%
Millennium Management
80
Millennium Management
New York
$27.9M +$25.1M +139,920 +916%
CP
81
Coho Partners
Pennsylvania
$27.7M -$4.99M -27,780 -15%
IHAM
82
Integral Health Asset Management
New York
$26.9M +$26.9M +150,000 New
WP
83
Woodline Partners
California
$26.7M -$41.7M -232,227 -61%
Franklin Resources
84
Franklin Resources
California
$25.2M +$13.7M +76,031 +119%
AIM
85
Achmea Investment Management
Netherlands
$24.6M +$101K +563 +0.4%
WIC
86
Willis Investment Counsel
Georgia
$24.6M +$3.02M +16,800 +14%
BSA
87
Braun Stacey Associates
New York
$24.4M +$24.4M +135,952 New
Natixis Advisors
88
Natixis Advisors
Massachusetts
$23.2M +$3.03M +16,850 +15%
VRS
89
Virginia Retirement Systems
Virginia
$22.3M -$2.19M -12,172 -9%
TD Asset Management
90
TD Asset Management
Ontario, Canada
$21.7M +$3.32M +18,484 +18%
AAMU
91
AEGON Asset Management (UK)
United Kingdom
$21.2M -$4.35M -24,222 -17%
Treasurer of the State of North Carolina
92
Treasurer of the State of North Carolina
North Carolina
$20.8M +$7.67M +42,708 +58%
Robeco Institutional Asset Management
93
Robeco Institutional Asset Management
Netherlands
$20.8M -$1.05M -5,872 -5%
Stifel Financial
94
Stifel Financial
Missouri
$20.8M -$1.86M -10,336 -8%
TAM
95
Tocqueville Asset Management
New York
$20M -$446K -2,485 -2%
SAM
96
Silvercrest Asset Management
New York
$19.4M -$7.9K -44 -0%
Rockefeller Capital Management
97
Rockefeller Capital Management
New York
$19.3M +$16.2M +90,142 +526%
State Board of Administration of Florida Retirement System
98
State Board of Administration of Florida Retirement System
Florida
$18.8M +$131K +730 +0.7%
Aberdeen Group
99
Aberdeen Group
United Kingdom
$18.7M +$2.73M +15,223 +17%
MWM
100
Moran Wealth Management
Florida
$18.6M +$18.6M +103,311 New
2 3
4
5 6