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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
IIA
326
ICW Investment Advisors
Arizona
$2.18M
HPC
327
HM Payson & Co
Maine
$2.14M
HWM
328
HB Wealth Management
Georgia
$2.14M
ECM
329
ExodusPoint Capital Management
New York
$2.12M
PGFC
330
Peapack-Gladstone Financial Corp
New Jersey
$2.12M
MUAMU
331
Mitsubishi UFJ Asset Management (UK)
United Kingdom
$2.1M
GAM
332
Generali Asset Management
Italy
$2.1M
Public Employees Retirement Association of Colorado
333
Public Employees Retirement Association of Colorado
Colorado
$2.08M
RIM
334
Rakuten Investment Management
Japan
$2.04M
EMPI
335
Elo Mutual Pension Insurance
Finland
$2.03M
Millennium Management
336
Millennium Management
New York
$1.97M
ANBT
337
American National Bank & Trust
Texas
$1.93M
Thrivent Financial for Lutherans
338
Thrivent Financial for Lutherans
Minnesota
$1.92M
TWM
339
TriaGen Wealth Management
California
$1.91M
Public Sector Pension Investment Board (PSP Investments)
340
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$1.88M
AssetMark Inc
341
AssetMark Inc
California
$1.87M
PRP
342
Peak Retirement Planning
Ohio
$1.86M
DWM
343
Dynasty Wealth Management
Florida
$1.86M
AIP
344
Ameritas Investment Partners
Nebraska
$1.85M
Fifth Third Bancorp
345
Fifth Third Bancorp
Ohio
$1.83M
TFS
346
Thoroughbred Financial Services
Tennessee
$1.81M
Wolverine Trading
347
Wolverine Trading
Illinois
$1.81M
NGA
348
Naples Global Advisors
Florida
$1.79M
AF
349
Avanza Fonder
Sweden
$1.79M
FWIA
350
Fort Washington Investment Advisors
Ohio
$1.77M