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Quest Diagnostics

982 hedge funds and large institutions have $19.9B invested in Quest Diagnostics in 2025 Q3 according to their latest regulatory filings, with 116 funds opening new positions, 349 increasing their positions, 336 reducing their positions, and 83 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

2.35% less ownership

Funds ownership: 95.95%93.6% (-2.4%)

12% less call options, than puts

Call options by funds: $98.2M | Put options by funds: $112M

25% less funds holding in top 10

Funds holding in top 10: 43 (-1)

Holders
982
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$98.2M
Puts
$112M
Net Calls
Net Calls Change

Top Buyers

1 +$190M
2 +$162M
3 +$82.7M
4
Goldman Sachs
Goldman Sachs
New York
+$79.7M
5
Marshall Wace
Marshall Wace
United Kingdom
+$67.1M

Top Sellers

1 -$116M
2 -$88.7M
3 -$79.3M
4
UBS AM
UBS AM
Illinois
-$60M
5
UBS Group
UBS Group
Switzerland
-$59.9M
Name Holding Trade Value Shares
Change
Change in
Stake
Jane Street
126
Jane Street
New York
$13.9M
CS
127
Candriam SCA
Luxembourg
$13.7M
ACI
128
Alpha Cubed Investments
California
$13.6M
DPL
129
Danica Pension Livsforsikrings
$13.5M
Ohio Public Employees Retirement System (OPERS)
130
Ohio Public Employees Retirement System (OPERS)
Ohio
$13M
HW
131
Hancock Whitney
Mississippi
$12.9M
Verition Fund Management
132
Verition Fund Management
Connecticut
$12.5M
Vontobel Holding
133
Vontobel Holding
Switzerland
$12.3M
BCM
134
Becker Capital Management
Oregon
$12.2M
DB
135
Danske Bank
Denmark
$12.2M
EWA
136
Exencial Wealth Advisors
Oklahoma
$12.1M
Nordea Investment Management
137
Nordea Investment Management
Sweden
$12.1M
Prudential Financial
138
Prudential Financial
New Jersey
$12M
AP
139
Antipodes Partners
Australia
$11.8M
Credit Agricole
140
Credit Agricole
France
$10.8M
National Bank of Canada
141
National Bank of Canada
Quebec, Canada
$10.8M
Commonwealth Equity Services
142
Commonwealth Equity Services
Massachusetts
$10.7M
GAM
143
Gotham Asset Management
New York
$10.4M
New York State Common Retirement Fund
144
New York State Common Retirement Fund
New York
$10.1M
HA
145
Heartland Advisors
Wisconsin
$9.53M
AQR Capital Management
146
AQR Capital Management
Connecticut
$9.51M
Franklin Resources
147
Franklin Resources
California
$9.39M
PP
148
Prudential plc
United Kingdom
$9.39M
Nomura Asset Management
149
Nomura Asset Management
Japan
$9.27M
Capital Fund Management (CFM)
150
Capital Fund Management (CFM)
France
$9.12M