DGX icon

Quest Diagnostics

1,051 hedge funds and large institutions have $20B invested in Quest Diagnostics in 2026 Q1 according to their latest regulatory filings, with 121 funds opening new positions, 347 increasing their positions, 373 reducing their positions, and 89 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: $ → $

0% more funds holding

Funds holding: 1,0461,051 (+5)

7% less repeat investments, than reductions

Existing positions increased: 347 | Existing positions reduced: 373

2.74% less ownership

Funds ownership: 95.54%92.8% (-2.7%)

Holders
1,051
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
TA
526
Tectonic Advisors
Texas
$707K
GT
527
Greenleaf Trust
Michigan
$707K
AFG
528
Atomi Financial Group
New York
$706K
KSB
529
Kennebec Savings Bank
Maine
$695K
EWA
530
EP Wealth Advisors
California
$693K
NMIMC
531
Northwestern Mutual Investment Management Company
Wisconsin
$690K
CCIA
532
Campbell & Co Investment Adviser
Maryland
$685K
FAB
533
First American Bank
Illinois
$680K
BA
534
Bridgewater Associates
Connecticut
$680K
AWP
535
Ascent Wealth Partners
New York
$669K
Envestnet Portfolio Solutions
536
Envestnet Portfolio Solutions
Illinois
$667K
CPIG
537
Chicago Partners Investment Group
Illinois
$667K
VT
538
Vise Technologies
New York
$661K
MWM
539
Meridian Wealth Management
Kentucky
$657K
MAS
540
Meeder Advisory Services
Ohio
$648K
TPCW
541
TD Private Client Wealth
New York
$643K
KRS
542
Kentucky Retirement Systems
Kentucky
$643K
OFS
543
OMC Financial Services
New York
$643K
GWCM
544
Godshalk Welsh Capital Management
Pennsylvania
$642K
SC
545
Steph & Co
Wisconsin
$638K
WIA
546
World Investment Advisors
California
$637K
ASN
547
Advisory Services Network
Georgia
$632K
NDSIB
548
North Dakota State Investment Board
North Dakota
$631K
RCP
549
Rothschild Capital Partners
New York
$631K
GKWIM
550
Gerber Kawasaki Wealth & Investment Management
California
$625K