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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 %
AQR Capital Management
151
AQR Capital Management
Connecticut
$8.8M -$932K -5,235 -10%
KOCAA
152
Knights of Columbus Asset Advisors
Connecticut
$8.79M +$454K +2,526 +5%
BG
153
Bellevue Group
Switzerland
$8.72M +$8.72M +48,567 New
Royal London Asset Management
154
Royal London Asset Management
United Kingdom
$8.6M -$165K -916 -2%
Ensign Peak Advisors
155
Ensign Peak Advisors
Utah
$8.59M -$597K -3,321 -6%
IIM
156
INTECH Investment Management
Florida
$8.58M +$208K +1,156 +2%
Verition Fund Management
157
Verition Fund Management
Connecticut
$8.58M +$2.49M +13,858 +41%
CI
158
Cambiar Investors
Colorado
$8.41M -$3.93M -21,899 -32%
Nomura Asset Management
159
Nomura Asset Management
Japan
$8.31M -$168K -934 -2%
Asset Management One
160
Asset Management One
Japan
$8.26M +$222K +1,238 +3%
RAM
161
Resona Asset Management
Japan
$8.18M +$334K +1,861 +4%
Toronto Dominion Bank
162
Toronto Dominion Bank
Ontario, Canada
$8.13M +$1.13M +6,265 +16%
FAF
163
Fjarde Ap-fonden
Sweden
$8.12M +$1.98M +11,000 +32%
Korea Investment Corp
164
Korea Investment Corp
South Korea
$8.03M +$2.21M +12,300 +38%
Cerity Partners
165
Cerity Partners
New York
$7.88M +$276K +1,538 +4%
PP
166
Prudential plc
United Kingdom
$7.83M -$4.24M -23,629 -35%
SG Americas Securities
167
SG Americas Securities
New York
$7.58M +$5.1M +28,382 +205%
FNBT
168
FineMark National Bank & Trust
Florida
$7.46M -$66.5K -370 -0.9%
MSV
169
MN Services Vermogensbeheer
Netherlands
$7.43M +$89.8K +500 +1%
PNC Financial Services Group
170
PNC Financial Services Group
Pennsylvania
$7.38M +$611K +3,399 +9%
Comerica Bank
171
Comerica Bank
Texas
$7.37M +$387K +2,155 +6%
PHP
172
Parkman Healthcare Partners
Connecticut
$7.36M -$3.88M -21,596 -35%
GIA
173
GHP Investment Advisors
Colorado
$7.28M +$60.7K +338 +0.8%
OCM
174
Olstein Capital Management
New York
$7.19M -$1.08M -6,000 -13%
TAIM
175
Te Ahumairangi Investment Management
New Zealand
$7.19M +$170K +944 +2%
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