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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
AAP
526
Arax Advisory Partners
Colorado
$595K
UCFA
527
United Capital Financial Advisors
Texas
$594K
KPWS
528
Kestra Private Wealth Services
Texas
$592K
CL
529
Choreo LLC
Illinois
$591K
Bessemer Group
530
Bessemer Group
New Jersey
$588K
AWM
531
AE Wealth Management
Kansas
$586K
GFM
532
GF Fund Management
China
$585K
UIM
533
Unified Investment Management
Georgia
$584K
PCS
534
Personal CFO Solutions
New Jersey
$582K
RDWM
535
Red Door Wealth Management
Tennessee
$576K
HAIM
536
Hunter Associates Investment Management
Pennsylvania
$575K
MSA
537
MUFG Securities Americas
New York
$575K
HKAM
538
Horizon Kinetics Asset Management
New York
$572K
CIA
539
Capital Investment Advisors
Georgia
$571K
GT
540
Greenleaf Trust
Michigan
$566K
WANY
541
Wealthspire Advisors (New York)
New York
$564K
HPC
542
Hobart Private Capital
North Carolina
$564K
Walleye Trading
543
Walleye Trading
New York
$564K
SAI
544
Savvy Advisors Inc
New York
$563K
KRSITF
545
Kentucky Retirement Systems Insurance Trust Fund
Kentucky
$559K
DAS
546
Diversify Advisory Services
Utah
$556K
EFS
547
Essex Financial Services
Connecticut
$555K
WAM
548
Werlinich Asset Management
Connecticut
$555K
CCM
549
Cinctive Capital Management
New York
$554K
MPIA
550
Mountain Pacific Investment Advisers
Idaho
$553K