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Quest Diagnostics

970 hedge funds and large institutions have $19.2B invested in Quest Diagnostics in 2025 Q2 according to their latest regulatory filings, with 117 funds opening new positions, 358 increasing their positions, 325 reducing their positions, and 83 closing their positions.

New
Increased
Maintained
Reduced
Closed

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: $ → $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

4.08% more ownership

Funds ownership: 91.84%95.93% (+4.1%)

2% more funds holding

Funds holding: 953970 (+17)

33% less call options, than puts

Call options by funds: $88.3M | Put options by funds: $133M

Holders
970
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
$88.3M
Puts
$133M
Net Calls
Net Calls Change

Top Buyers

1 +$217M
2 +$139M
3 +$133M
4
Squarepoint
Squarepoint
New York
+$124M
5
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$101M
Name Holding Trade Value Shares
Change
Change in
Stake
RIL
826
Rothschild Investment LLC
Illinois
$35.9K
RC
827
Rexford Capital
Texas
$35.9K
AAS
828
Ameritas Advisory Services
Nebraska
$35K
SO
829
Sierra Ocean
California
$34.7K
LC
830
Luminist Capital
Michigan
$33.9K
MA
831
MCF Advisors
Kentucky
$33.6K
A
832
AlphaQuest
New York
$33.2K
ADL
833
Asset Dedication LLC
California
$33.1K
BGAI
834
Bruce G. Allen Investments
Colorado
$32.5K
PWS
835
Peterson Wealth Services
Utah
$32.3K
FPF
836
First Pacific Financial
Washington
$31.6K
GC
837
Gould Capital
Washington
$30.7K
PFBT
838
Parkside Financial Bank & Trust
Missouri
$29.8K
MIM
839
MTM Investment Management
South Carolina
$28.7K
PB
840
Pinnacle Bancorp
Nebraska
$27.3K
WA
841
WPG Advisers
Maryland
$27.1K
TFIPS
842
Towarzystwo Funduszy Inwestycyjnych PZU SA
$26.9K
MEG
843
Millstone Evans Group
Colorado
$26.6K
CFO
844
CVA Family Office
Colorado
$25.3K
AA
845
Ancora Advisors
Ohio
$24.5K
LI
846
Louisbourg Investments
New Brunswick, Canada
$24.4K
SPF
847
South Plains Financial
Texas
$23.7K
DIP
848
DT Investment Partners
Pennsylvania
$23.5K
GKIM
849
GW&K Investment Management
Massachusetts
$23K
GBT
850
Grove Bank & Trust
Florida
$21.9K