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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
AA
676
Advisory Advocates
Michigan
$338K
ACM
677
Aurdan Capital Management
Pennsylvania
$338K
DWT
678
Dorsey & Whitney Trust
South Dakota
$337K
BI
679
Ballast Inc
Kentucky
$336K
BFM
680
Boothbay Fund Management
New York
$334K
OL
681
Optas LLC
Texas
$334K
RFC
682
Regions Financial Corp
Alabama
$334K
SL
683
SWMG LLC
Texas
$333K
S
684
SignatureFD
Georgia
$333K
DEA
685
DoubleLine ETF Adviser
Florida
$328K
AF
686
Allworth Financial
California
$327K
SWM
687
SeaCrest Wealth Management
New York
$327K
Teacher Retirement System of Texas
688
Teacher Retirement System of Texas
Texas
$326K
HAG
689
HighPoint Advisor Group
Illinois
$325K
RWA
690
River Wealth Advisors
Pennsylvania
$321K
ACC
691
Acorn Creek Capital
Colorado
$320K
KCP
692
Kera Capital Partners
California
$320K
SL
693
Summitry LLC
California
$319K
HSA
694
HBK Sorce Advisory
Pennsylvania
$319K
MCM
695
Mill Capital Management
North Carolina
$317K
CCA
696
Checchi Capital Advisers
California
$317K
CB
697
CNB Bank
Pennsylvania
$317K
TC
698
Truvestments Capital
Florida
$316K
HIMS
699
Hager Investment Management Services
New Hampshire
$314K
CUAMC
700
China Universal Asset Management Company
China
$314K