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Quest Diagnostics

990 hedge funds and large institutions have $19.9B invested in Quest Diagnostics in 2025 Q3 according to their latest regulatory filings, with 115 funds opening new positions, 353 increasing their positions, 339 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:

2.45% less ownership

Funds ownership: 96.11%93.66% (-2.5%)

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
990
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
HCM
726
Howard Capital Management
Georgia
$240K
CCA
727
Checchi Capital Advisers
California
$239K
SW
728
SteelPeak Wealth
California
$239K
OAM
729
Oppenheimer Asset Management
New York
$238K
MA
730
Mutual Advisors
Nebraska
$238K
CFG
731
Citizens Financial Group
Rhode Island
$237K
BFO
732
Biltmore Family Office
North Carolina
$236K
BMCM
733
Bryn Mawr Capital Management
Pennsylvania
$236K
ONST
734
Old North State Trust
North Carolina
$233K
LNB
735
Ledyard National Bank
$233K
VCM
736
Versant Capital Management
Arizona
$233K
IC
737
Inscription Capital
Texas
$232K
CAMG
738
CWA Asset Management Group
Florida
$232K
IWM
739
IHT Wealth Management
Illinois
$231K
C
740
Certuity
Florida
$231K
CCFCSB
741
Cape Cod Five Cents Savings Bank
Massachusetts
$230K
NFA
742
Northern Financial Advisors
Michigan
$230K
PCM
743
Perkins Capital Management
Minnesota
$229K
BEAM
744
Baker Ellis Asset Management
Washington
$229K
WBCM
745
Wilson & Boucher Capital Management
California
$229K
VBCG
746
Valley Brook Capital Group
Pennsylvania
$229K
VCM
747
Viewpoint Capital Management
Washington
$229K
TAM
748
Townsend Asset Management
North Carolina
$228K
WJA
749
Willis Johnson & Associates
Texas
$227K
WT
750
Whittier Trust
California
$227K