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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
MYIA
651
Mount Yale Investment Advisors
Colorado
$324K
DC
652
Davenport & Co
Virginia
$322K
HH
653
Hilltop Holdings
Texas
$322K
RCAG
654
Rehmann Capital Advisory Group
Michigan
$317K
S
655
SignatureFD
Georgia
$313K
SL
656
Summitry LLC
California
$313K
SL
657
SWMG LLC
Texas
$311K
GWP
658
Gen-Wealth Partners
Michigan
$311K
WT
659
Washington Trust
Rhode Island
$311K
BHCM
660
Brevan Howard Capital Management
Jersey
$311K
MCM
661
Mill Capital Management
North Carolina
$309K
BC
662
Bayforest Capital
United Kingdom
$309K
SCA
663
Snowden Capital Advisors
New York
$308K
TL
664
Tradewinds LLC
North Carolina
$306K
SL
665
Sentry LLC
Tennessee
$305K
AFG
666
Allegheny Financial Group
Pennsylvania
$304K
CNC
667
Citizens & Northern Corp
Pennsylvania
$300K
IAN
668
Integrated Advisors Network
Texas
$298K
TIAA Trust, National Association
669
TIAA Trust, National Association
North Carolina
$297K
TNA
670
True North Advisors
Texas
$296K
BCM
671
Brookstone Capital Management
Illinois
$295K
CAG
672
Crestwood Advisors Group
Massachusetts
$293K
BIG
673
Brooklyn Investment Group
New York
$292K
TCWA
674
Turtle Creek Wealth Advisors
Texas
$292K
CSPIA
675
Cary Street Partners Investment Advisory
Virginia
$291K