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Quest Diagnostics

990 hedge funds and large institutions have $19.9B invested in Quest Diagnostics in 2025 Q3 according to their latest regulatory filings, with 115 funds opening new positions, 353 increasing their positions, 339 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:

2.45% less ownership

Funds ownership: 96.11%93.66% (-2.5%)

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
990
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
FT
451
Fiduciary Trust
Massachusetts
$880K
WB
452
WesBanco Bank
West Virginia
$877K
FDCDDQ
453
Federation des caisses Desjardins du Quebec
Quebec, Canada
$877K
NFG
454
Nations Financial Group
Iowa
$875K
SPC
455
Sigma Planning Corp
Michigan
$873K
CIBC Private Wealth Group
456
CIBC Private Wealth Group
Georgia
$864K
GIC
457
Generali Investments CEE
Czech Republic
$858K
EOJOAM
458
E. Ohman J:or Asset Management
Sweden
$858K
LA
459
Lifeworks Advisors
Michigan
$854K
LP
460
LMR Partners
United Kingdom
$848K
PS
461
Principal Securities
Iowa
$847K
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
462
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$844K
VI
463
Vestcor Inc
New Brunswick, Canada
$842K
CPW
464
Crestmont Private Wealth
Texas
$834K
JF
465
Jump Financial
Illinois
$819K
AAM
466
Azzad Asset Management
Virginia
$815K
Envestnet Portfolio Solutions
467
Envestnet Portfolio Solutions
Illinois
$815K
VVP
468
Venture Visionary Partners
Ohio
$813K
NWAG
469
Net Worth Advisory Group
Utah
$811K
Jones Financial Companies
470
Jones Financial Companies
Missouri
$810K
IAA
471
Independent Advisor Alliance
North Carolina
$807K
MIM
472
Montgomery Investment Management
Maryland
$806K
SC
473
Sawyer & Company
Massachusetts
$788K
EF
474
Empirical Finance
Pennsylvania
$786K
JSAM
475
J. Safra Asset Management
New York
$786K