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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
BMCM
726
Bryn Mawr Capital Management
Pennsylvania
$236K
ONST
727
Old North State Trust
North Carolina
$233K
LNB
728
Ledyard National Bank
$233K
VCM
729
Versant Capital Management
Arizona
$233K
IC
730
Inscription Capital
Texas
$232K
CAMG
731
CWA Asset Management Group
Florida
$232K
IWM
732
IHT Wealth Management
Illinois
$231K
C
733
Certuity
Florida
$231K
CCFCSB
734
Cape Cod Five Cents Savings Bank
Massachusetts
$230K
NFA
735
Northern Financial Advisors
Michigan
$230K
PCM
736
Perkins Capital Management
Minnesota
$229K
BEAM
737
Baker Ellis Asset Management
Washington
$229K
VBCG
738
Valley Brook Capital Group
Pennsylvania
$229K
WBCM
739
Wilson & Boucher Capital Management
California
$229K
VCM
740
Viewpoint Capital Management
Washington
$229K
TAM
741
Townsend Asset Management
North Carolina
$228K
WJA
742
Willis Johnson & Associates
Texas
$227K
WT
743
Whittier Trust
California
$227K
PTC
744
Private Trust Company
Ohio
$225K
GS
745
GTS Securities
New York
$224K
LSPW
746
Lake Street Private Wealth
Illinois
$222K
WS
747
Wedbush Securities
California
$221K
ICP
748
Interchange Capital Partners
Pennsylvania
$220K
FCG
749
Fielder Capital Group
Tennessee
$217K
OFS
750
OneAscent Financial Services
Alabama
$217K