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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
PNC Financial Services Group
176
PNC Financial Services Group
Pennsylvania
$7.02M
TWC
177
TD Waterhouse Canada
Ontario, Canada
$6.98M
CWP
178
Capital Wealth Planning
Florida
$6.95M
Zurich Cantonal Bank
179
Zurich Cantonal Bank
Switzerland
$6.86M
PD
180
Point72 (DIFC)
United Arab Emirates
$6.75M
LFAS
181
Level Four Advisory Services
Texas
$6.62M
BG
182
Bellevue Group
Switzerland
$6.29M
ASRS
183
Arizona State Retirement System
Arizona
$6.27M
TSW
184
Thompson Siegel & Walmsley
Virginia
$6.22M
TAF
185
Tredje AP-fonden
Sweden
$6.21M
AAIM
186
American Assets Investment Management
California
$6.1M
TAM
187
Trillium Asset Management
Massachusetts
$5.95M
OAM
188
Ostrum Asset Management
France
$5.84M
SOMRS
189
State of Michigan Retirement System
Michigan
$5.76M
NI
190
Nuance Investments
Missouri
$5.76M
Korea Investment Corp
191
Korea Investment Corp
South Korea
$5.68M
BTW
192
Boston Trust Walden
Massachusetts
$5.64M
ATC
193
Argent Trust Co
Tennessee
$5.62M
Cetera Investment Advisers
194
Cetera Investment Advisers
Illinois
$5.58M
ILCM
195
Ivy Lane Capital Management
Florida
$5.53M
CPCPP
196
Canada Post Corporation Pension Plan
Canada
$5.44M
CNB
197
Czech National Bank
Czech Republic
$5.41M
MIM
198
MetLife Investment Management
New Jersey
$5.29M
CI
199
Cambiar Investors
Colorado
$5.22M
BF
200
BOK Financial
Oklahoma
$5.21M