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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
Comerica Bank
201
Comerica Bank
Texas
$5.17M
ProShare Advisors
202
ProShare Advisors
Maryland
$5.14M
COPPSERS
203
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$5.12M
TFA
204
Toth Financial Advisory
Virginia
$5.11M
CYG
205
Clean Yield Group
Vermont
$5.08M
TG
206
TCW Group
California
$5.07M
Carson Wealth (CWM LLC)
207
Carson Wealth (CWM LLC)
Nebraska
$5.05M
SIA
208
SGL Investment Advisors
Montana
$5.02M
AAM
209
Auxier Asset Management
Oregon
$5.01M
Corient Private Wealth
210
Corient Private Wealth
Florida
$4.98M
OAM
211
Occidental Asset Management
California
$4.96M
VanEck Associates
212
VanEck Associates
New York
$4.92M
WC
213
Waterloo Capital
Texas
$4.91M
PWM
214
Palumbo Wealth Management
New York
$4.9M
ONB
215
Old National Bancorp
Indiana
$4.83M
FAF
216
Första AP-fonden
Sweden
$4.82M
FNBT
217
FineMark National Bank & Trust
Florida
$4.81M
State of Tennessee, Department of Treasury
218
State of Tennessee, Department of Treasury
Tennessee
$4.76M
FM
219
Foster & Motley
Ohio
$4.68M
Wealthfront Advisers
220
Wealthfront Advisers
California
$4.56M
Retirement Systems of Alabama
221
Retirement Systems of Alabama
Alabama
$4.55M
DIA
222
Dean Investment Associates
Ohio
$4.51M
Osaic Holdings
223
Osaic Holdings
Arizona
$4.5M
IMRF
224
Illinois Municipal Retirement Fund
Illinois
$4.46M
II
225
IFM Investors
Australia
$4.46M