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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
NB
401
Norinchukin Bank
Japan
$1.2M
Nomura Holdings
402
Nomura Holdings
Japan
$1.2M
YP
403
YANKCOM Partnership
South Dakota
$1.19M
GWMR
404
GC Wealth Management RIA
Massachusetts
$1.18M
HCM
405
Highview Capital Management
Illinois
$1.18M
MGP
406
Metis Global Partners
California
$1.18M
NEI
407
Northwest & Ethical Investments
Ontario, Canada
$1.17M
CW
408
CreativeOne Wealth
Kansas
$1.16M
RCA
409
Riverview Capital Advisers
Massachusetts
$1.16M
EWA
410
EverSource Wealth Advisors
Alabama
$1.15M
GPFA
411
Game Plan Financial Advisors
Ohio
$1.14M
PAS
412
Park Avenue Securities
New York
$1.14M
HNB
413
Huntington National Bank
Ohio
$1.13M
LSERS
414
Louisiana State Employees Retirement System
Louisiana
$1.12M
MFG
415
Merit Financial Group
Georgia
$1.12M
GIBU
416
Gulf International Bank (UK)
United Kingdom
$1.11M
MSRPS
417
Maryland State Retirement & Pension System
Maryland
$1.1M
KPPF
418
Klein Pavlis & Peasley Financial
California
$1.1M
BA
419
Bridgewater Associates
Connecticut
$1.08M
Assenagon Asset Management
420
Assenagon Asset Management
Luxembourg
$1.06M
PAG
421
Private Advisor Group
New Jersey
$1.06M
CGH
422
Crossmark Global Holdings
Texas
$1.06M
MWM
423
Modern Wealth Management
Kansas
$1.05M
QIM
424
Quantitative Investment Management
Virginia
$1.03M
CCIA
425
Campbell & Co Investment Adviser
Maryland
$1.01M