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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
SA
976
Seneschal Advisors
Washington
$382
CWM
977
Copia Wealth Management
Oregon
$381
DWM
978
Dogwood Wealth Management
Kansas
$381
FGAM
979
Financial Gravity Asset Management
Texas
$381
IAS
980
IMA Advisory Services
Colorado
$191
DCM
981
Davis Capital Management
Florida
$191
CPG
982
Cornerstone Planning Group
New Jersey
$71
Norges Bank
983
Norges Bank
Norway
WCM
984
Wedge Capital Management
North Carolina
DCP
985
Distillate Capital Partners
Illinois
ADEF
986
Adams Diversified Equity Fund
Maryland
PHP
987
Parkman Healthcare Partners
Connecticut
MIF
988
Mediolanum International Funds
Ireland
Connor, Clark & Lunn Investment Management (CC&L)
989
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
SSA
990
Schonfeld Strategic Advisors
New York
NC
991
Nicholas Company
Wisconsin
NL
992
NKCFO LLC
Illinois
BCM
993
Bayesian Capital Management
New York
DTL
994
Dynamic Technology Lab
Singapore
PDL
995
Portfolio Design Labs
California
EIP
996
Easterly Investment Partners
Massachusetts
AG
997
Ascent Group
Virginia
NRD
998
Nebula Research & Development
New York
JG
999
Jain Global
New York
SAM
1000
Simplify Asset Management
Nevada