DGX icon

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
SPC
451
Sigma Planning Corp
Michigan
$873K
CIBC Private Wealth Group
452
CIBC Private Wealth Group
Georgia
$864K
EOJOAM
453
E. Ohman J:or Asset Management
Sweden
$858K
GIC
454
Generali Investments CEE
Czech Republic
$858K
LA
455
Lifeworks Advisors
Michigan
$854K
LP
456
LMR Partners
United Kingdom
$848K
PS
457
Principal Securities
Iowa
$847K
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
458
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$844K
VI
459
Vestcor Inc
New Brunswick, Canada
$842K
CPW
460
Crestmont Private Wealth
Texas
$834K
JF
461
Jump Financial
Illinois
$819K
AAM
462
Azzad Asset Management
Virginia
$815K
Envestnet Portfolio Solutions
463
Envestnet Portfolio Solutions
Illinois
$815K
VVP
464
Venture Visionary Partners
Ohio
$813K
NWAG
465
Net Worth Advisory Group
Utah
$811K
Jones Financial Companies
466
Jones Financial Companies
Missouri
$810K
IAA
467
Independent Advisor Alliance
North Carolina
$807K
MIM
468
Montgomery Investment Management
Maryland
$806K
SC
469
Sawyer & Company
Massachusetts
$788K
EF
470
Empirical Finance
Pennsylvania
$786K
JSAM
471
J. Safra Asset Management
New York
$786K
FB
472
Fulton Bank
Pennsylvania
$784K
NHT
473
New Hampshire Trust
New Hampshire
$782K
DAS
474
Dynamic Advisor Solutions
Arizona
$778K
TI
475
Tidal Investments
Wisconsin
$775K