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Quest Diagnostics

1,061 hedge funds and large institutions have $20.1B invested in Quest Diagnostics in 2026 Q1 according to their latest regulatory filings, with 121 funds opening new positions, 349 increasing their positions, 380 reducing their positions, and 87 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

1% more funds holding

Funds holding: 1,0471,061 (+14)

8% less repeat investments, than reductions

Existing positions increased: 349 | Existing positions reduced: 380

2.22% less ownership

Funds ownership: 95.54%93.32% (-2.2%)

Holders
1,061
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$96.9M
Puts
$40.5M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
ZF
751
Zhang Financial
Michigan
$257K
EAN
752
Excelsior Advisor Network
Colorado
$255K
WW
753
Westshore Wealth
California
$255K
CCM
754
Check Capital Management
California
$255K
ACM
755
Avalon Capital Management
California
$254K
CAM
756
Claret Asset Management
Quebec, Canada
$252K
IAN
757
Integrated Advisors Network
Texas
$251K
MGIA
758
Moneta Group Investment Advisors
Missouri
$250K
EWM
759
Evermay Wealth Management
Virginia
$248K
TCIIS
760
TIAA-CREF Individual & Institutional Services
New York
$248K
MFS
761
Mirabella Financial Services
United Kingdom
$247K
CAL
762
Capital Advisors Ltd
Ohio
$247K
RCM
763
Radnor Capital Management
Pennsylvania
$246K
OAM
764
Oppenheimer Asset Management
New York
$246K
MWM
765
MOR Wealth Management
Pennsylvania
$244K
BFO
766
Biltmore Family Office
North Carolina
$243K
TAM
767
Trust Asset Management
Texas
$243K
C
768
Certuity
Florida
$241K
PA
769
Profund Advisors
Maryland
$241K
RT
770
Rockland Trust
Massachusetts
$239K
PDL
771
Portfolio Design Labs
California
$238K
WJA
772
Willis Johnson & Associates
Texas
$237K
BEAM
773
Baker Ellis Asset Management
Washington
$235K
VCM
774
Viewpoint Capital Management
Washington
$235K
WBCM
775
Wilson & Boucher Capital Management
California
$235K