DGX icon

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
BAM
576
Berkshire Asset Management
Pennsylvania
$475K
IF
577
Intrua Financial
Texas
$474K
IHL
578
Investment House LLC
California
$472K
JWCA
579
J.W. Cole Advisors
Florida
$471K
BPA
580
Beacon Pointe Advisors
California
$470K
GCA
581
Genesee Capital Advisors
New York
$453K
RMAM
582
Raab & Moskowitz Asset Management
New Jersey
$452K
NIM
583
NEOS Investment Management
Connecticut
$448K
FWSM
584
First Wilshire Securities Management
California
$448K
WPC
585
Waters Parkerson & Co
Louisiana
$448K
MYAM
586
Meiji Yasuda Asset Management
Japan
$445K
MMPW
587
Mitchell McLeod Pugh & Williams
Alabama
$445K
BBA
588
Baader Bank Aktiengesellschaft
Germany
$444K
LCWP
589
Legacy Capital Wealth Partners
Arkansas
$442K
CIP
590
Capital Insight Partners
Arizona
$441K
OF
591
Optimize Financial
California
$440K
CFO
592
Callan Family Office
Pennsylvania
$440K
WP
593
WealthShield Partners
North Carolina
$439K
TI
594
TrueMark Investments
Illinois
$439K
FHA
595
Flagship Harbor Advisors
Massachusetts
$434K
FIA
596
Foundations Investment Advisors
Arizona
$433K
TNB
597
Thomasville National Bank
Georgia
$433K
RLH
598
RD Lewis Holdings
Florida
$430K
RCM
599
Requisite Capital Management
Texas
$429K
QCG
600
Quadrant Capital Group
Ohio
$428K