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
AGWCA
826
Annis Gardner Whiting Capital Advisors
Florida
$55.3K
QL
827
Quarry LP
New York
$53.2K
SIC
828
SJS Investment Consulting
Ohio
$51.6K
HWM
829
Hemington Wealth Management
Virginia
$50K
DF
830
Dunhill Financial
United Kingdom
$49.5K
SGK
831
Steigerwald Gordon & Koch
Virginia
$46.7K
TCM
832
TruNorth Capital Management
Michigan
$45.5K
MIM
833
MTM Investment Management
South Carolina
$45.5K
AIC
834
Archer Investment Corporation
Indiana
$44.1K
CNBTD
835
Citizens National Bank Trust Department
Mississippi
$43.8K
SVWA
836
Sarver Vrooman Wealth Advisors
Missouri
$41.7K
RIL
837
Rothschild Investment LLC
Illinois
$41.5K
NS
838
NBC Securities
Alabama
$40K
IBOK
839
Independence Bank of Kentucky
Kentucky
$38.1K
RC
840
Rexford Capital
Texas
$38.1K
WSCM
841
Wellington Shields Capital Management
New York
$38.1K
MA
842
MCF Advisors
Kentucky
$35.6K
ADL
843
Asset Dedication LLC
California
$34.9K
BGAI
844
Bruce G. Allen Investments
Colorado
$34.5K
LC
845
Luminist Capital
Michigan
$34.4K
PWS
846
Peterson Wealth Services
Utah
$34.3K
SPF
847
South Plains Financial
Texas
$33.9K
FPF
848
First Pacific Financial
Washington
$33.5K
CIAM
849
Caitong International Asset Management
Hong Kong
$33K
FHC
850
First Horizon Corporation
Tennessee
$32.8K