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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
EHWM
676
Eads & Heald Wealth Management
Georgia
$289K
KTC
677
Kentucky Trust Company
Kentucky
$287K
RA
678
Ransom Advisory
Rhode Island
$286K
MG
679
Marex Group
$286K
PIMJS
680
PKO Investment Management Joint-Stock
Poland
$286K
EWM
681
Empirical Wealth Management
Washington
$282K
SWP
682
Stratos Wealth Partners
Ohio
$282K
EWM
683
Evermay Wealth Management
Virginia
$282K
BFS
684
Bradley Foster & Sargent
Connecticut
$282K
CWM
685
Centurion Wealth Management
Virginia
$278K
IAA
686
Ironsides Asset Advisors
North Carolina
$277K
PFP
687
Pinnacle Financial Partners
Tennessee
$276K
PA
688
Profund Advisors
Maryland
$275K
AC
689
AlphaCore Capital
California
$274K
CNB
690
Camden National Bank
Maine
$273K
DCBT
691
Dakota Community Bank & Trust
North Dakota
$271K
RPCONE
692
Retirement Planning Company of New England
Rhode Island
$268K
WA
693
WBH Advisory
Maryland
$267K
AA
694
Addison Advisors
Vermont
$267K
Caisse de Depot et Placement du Quebec (CDPQ)
695
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$266K
OWA
696
One Wealth Advisors
California
$265K
TE
697
Tema ETFs
New York
$261K
TCOV
698
Trust Company of Vermont
Vermont
$260K
NP
699
NorthRock Partners
Minnesota
$260K
FMLI
700
Fukoku Mutual Life Insurance
Japan
$255K