DGX icon

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
CPIG
526
Chicago Partners Investment Group
Illinois
$614K
VCM
527
Voleon Capital Management
California
$610K
BAM
528
Blueshift Asset Management
New Jersey
$605K
MCA
529
Martin Capital Advisors
Texas
$599K
HCA
530
Harbor Capital Advisors
Illinois
$596K
AAP
531
Arax Advisory Partners
Colorado
$595K
UCFA
532
United Capital Financial Advisors
Texas
$594K
KPWS
533
Kestra Private Wealth Services
Texas
$592K
CL
534
Choreo LLC
Illinois
$591K
Bessemer Group
535
Bessemer Group
New Jersey
$588K
AWM
536
AE Wealth Management
Kansas
$586K
GFM
537
GF Fund Management
China
$585K
UIM
538
Unified Investment Management
Georgia
$584K
PCS
539
Personal CFO Solutions
New Jersey
$582K
RDWM
540
Red Door Wealth Management
Tennessee
$576K
HAIM
541
Hunter Associates Investment Management
Pennsylvania
$575K
MSA
542
MUFG Securities Americas
New York
$575K
HKAM
543
Horizon Kinetics Asset Management
New York
$572K
CIA
544
Capital Investment Advisors
Georgia
$571K
GT
545
Greenleaf Trust
Michigan
$566K
WANY
546
Wealthspire Advisors (New York)
New York
$564K
HPC
547
Hobart Private Capital
North Carolina
$564K
Walleye Trading
548
Walleye Trading
New York
$564K
SAI
549
Savvy Advisors Inc
New York
$563K
KRSITF
550
Kentucky Retirement Systems Insurance Trust Fund
Kentucky
$559K