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Quest Diagnostics

1,061 hedge funds and large institutions have $20.1B invested in Quest Diagnostics in 2026 Q1 according to their latest regulatory filings, with 121 funds opening new positions, 349 increasing their positions, 380 reducing their positions, and 87 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

1% more funds holding

Funds holding: 1,0471,061 (+14)

8% less repeat investments, than reductions

Existing positions increased: 349 | Existing positions reduced: 380

2.22% less ownership

Funds ownership: 95.54%93.32% (-2.2%)

Holders
1,061
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$96.9M
Puts
$40.5M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
CB
176
Commerce Bank
Missouri
$7.79M
Cerity Partners
177
Cerity Partners
New York
$7.76M
KK
178
KLP Kapitalforvaltning
Norway
$7.72M
OC
179
Oppenheimer & Co
New York
$7.59M
Corient Private Wealth
180
Corient Private Wealth
Florida
$7.56M
GIA
181
GHP Investment Advisors
Colorado
$7.49M
PNC Financial Services Group
182
PNC Financial Services Group
Pennsylvania
$7.49M
TWC
183
TD Waterhouse Canada
Ontario, Canada
$7.37M
Cetera Investment Advisers
184
Cetera Investment Advisers
Illinois
$7.3M
TI
185
Tidal Investments
Wisconsin
$7.26M
CWP
186
Capital Wealth Planning
Florida
$7.25M
Allianz Asset Management
187
Allianz Asset Management
Germany
$7.25M
State of New Jersey Common Pension Fund D
188
State of New Jersey Common Pension Fund D
New Jersey
$7.13M
OCM
189
Olstein Capital Management
New York
$7.02M
Handelsbanken Fonder
190
Handelsbanken Fonder
Sweden
$6.93M
Fifth Third Bancorp
191
Fifth Third Bancorp
Ohio
$6.88M
RPI
192
Railway Pension Investments
United Kingdom
$6.76M
JFG
193
Jefferies Financial Group
New York
$6.56M
SPS
194
Susquehanna Portfolio Strategies
Pennsylvania
$6.47M
Toronto Dominion Bank
195
Toronto Dominion Bank
Ontario, Canada
$6.46M
LFAS
196
Level Four Advisory Services
Texas
$6.41M
AAIM
197
American Assets Investment Management
California
$6.27M
Pathstone Holdings
198
Pathstone Holdings
New Jersey
$6.21M
IMRF
199
Illinois Municipal Retirement Fund
Illinois
$6.17M
Truist Financial
200
Truist Financial
North Carolina
$6.15M