We are live on ! Find out more
DGX icon

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
ATPW
376
Ashton Thomas Private Wealth
Arizona
$1.84M
AF
377
Avanza Fonder
Sweden
$1.84M
NGA
378
Naples Global Advisors
Florida
$1.83M
ST
379
Somerset Trust
Pennsylvania
$1.81M
TFS
380
Thoroughbred Financial Services
Tennessee
$1.8M
PAS
381
Park Avenue Securities
New York
$1.8M
AIP
382
Ameritas Investment Partners
Nebraska
$1.76M
LCM
383
Landscape Capital Management
New Jersey
$1.75M
ANBT
384
American National Bank & Trust
Texas
$1.75M
TRSOTSOK
385
Teachers Retirement System of the State of Kentucky
Kentucky
$1.71M
PCMF
386
Private Capital Management (Florida)
Florida
$1.71M
HP
387
Havemeyer Place
Connecticut
$1.7M
VWM
388
VCI Wealth Management
Missouri
$1.7M
ECM
389
Everence Capital Management
Indiana
$1.67M
GIBU
390
Gulf International Bank (UK)
United Kingdom
$1.67M
CGH
391
Crossmark Global Holdings
Texas
$1.67M
LCS
392
Levin Capital Strategies
New York
$1.67M
Rafferty Asset Management
393
Rafferty Asset Management
New York
$1.67M
FWIA
394
Fort Washington Investment Advisors
Ohio
$1.66M
PS
395
Principal Securities
Iowa
$1.64M
AC
396
Arjuna Capital
North Carolina
$1.63M
DPL
397
Danica Pension Livsforsikrings
$1.63M
AV
398
ASR Vermogensbeheer
Netherlands
$1.62M
HWAM
399
Hennion & Walsh Asset Management
New Jersey
$1.61M
BEI
400
Benjamin Edwards Inc
Missouri
$1.61M