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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
TCM
751
Traynor Capital Management
Pennsylvania
$217K
VAS
752
Vestmark Advisory Solutions
Massachusetts
$216K
WFAG
753
Wescott Financial Advisory Group
Pennsylvania
$215K
AF
754
Advisornet Financial
Minnesota
$214K
PWP
755
Phillips Wealth Planners
Mississippi
$214K
CAM
756
Creekmur Asset Management
Illinois
$213K
CA
757
Clearstead Advisors
Ohio
$213K
JGUA
758
John G. Ullman & Associates
New York
$212K
KWM
759
KFG Wealth Management
Indiana
$212K
AFP
760
Ausdal Financial Partners
Iowa
$212K
CI
761
Cigna Investments
Connecticut
$211K
FTWA
762
Fifth Third Wealth Advisors
Ohio
$210K
QWM
763
Quadcap Wealth Management
Texas
$209K
SMA
764
Sage Mountain Advisors
Georgia
$208K
IAS
765
Insigneo Advisory Services
Florida
$208K
MHIC
766
Marble Harbor Investment Counsel
Massachusetts
$206K
VCA
767
Verdence Capital Advisors
Maryland
$206K
SWP
768
Significant Wealth Partners
Illinois
$205K
MWM
769
Maridea Wealth Management
New York
$205K
BRWA
770
B. Riley Wealth Advisors
Florida
$203K
O
771
Ossiam
France
$202K
IPWA
772
International Private Wealth Advisors
California
$201K
IRC
773
Investors Research Corp
Georgia
$201K
ST
774
Smithfield Trust
Pennsylvania
$193K
WTC
775
WhitTier Trust Company
Nevada
$190K