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Quest Diagnostics
DGX

Overview Fund Activity

965 hedge funds and large institutions have $19.2B invested in Quest Diagnostics in 2025 Q2 according to their latest regulatory filings, with 117 funds opening new positions, 358 increasing their positions, 323 reducing their positions, and 83 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
965
Holders Change
+13
Holders Change %
+1.37%
% of All Funds
12.94%
Holding in Top 10
4
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+300%
% of All Funds
0.05%
New
117
Increased
358
Reduced
323
Closed
83
Calls
$88.3M
Puts
$133M
Net Calls
-$44.5M
Net Calls Change
+$7.83M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$1.29B
2
MGP
2
M&G plc
United Kingdom
$193M
3
Boston Partners
3
Boston Partners
Massachusetts
$545M
4
Squarepoint
4
Squarepoint
New York
$151M
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$778M

Top Sellers

1
DSA
1
Davis Selected Advisers
Arizona
$243M
2
Nordea Investment Management
2
Nordea Investment Management
Sweden
$40.5M
3
American Century Companies
3
American Century Companies
Missouri
$143M
4
Victory Capital Management
4
Victory Capital Management
Texas
$505M
5
Marshall Wace
5
Marshall Wace
United Kingdom
$36.8M
Name Holding Trade Value Shares
Change 		Shares
Change %
WANY
526
Wealthspire Advisors (New York)
New York
$562K -$45.3K -252 -7%
Lido Advisors
527
Lido Advisors
California
$559K -$72K -401 -11%
TI
528
Tidal Investments
Wisconsin
$556K +$115K +641 +26%
DAS
529
Diversify Advisory Services
Utah
$554K +$306K +1,714 +124%
MYIA
530
Mount Yale Investment Advisors
Colorado
$554K +$188K +1,047 +51%
Jones Financial Companies
531
Jones Financial Companies
Missouri
$554K +$79.5K +447 +17%
CIM
532
Contravisory Investment Management
Massachusetts
$553K +$553K +3,078 New
PCS
533
Personal CFO Solutions
New Jersey
$549K +$12.6K +70 +2%
TRCT
534
Tower Research Capital (TRC)
New York
$544K -$431K -2,399 -44%
HAIM
535
Hunter Associates Investment Management
Pennsylvania
$543K – – –
RDWM
536
Red Door Wealth Management
Tennessee
$542K – – –
KRSITF
537
Kentucky Retirement Systems Insurance Trust Fund
Kentucky
$542K -$37.5K -209 -6%
Man Group
538
Man Group
United Kingdom
$537K -$2.55M -14,206 -83%
GI
539
GAMMA Investing
California
$537K +$64.8K +361 +14%
CIA
540
Capital Investment Advisors
Georgia
$533K -$144K -799 -21%
BCM
541
Brookstone Capital Management
Illinois
$532K +$29.3K +163 +6%
GT
542
Greenleaf Trust
Michigan
$526K -$35.9K -200 -6%
WAM
543
Werlinich Asset Management
Connecticut
$523K -$89.8K -500 -15%
MPIA
544
Mountain Pacific Investment Advisers
Idaho
$521K – – –
Bessemer Group
545
Bessemer Group
New Jersey
$519K -$847K -4,726 -62%
Wolverine Trading
546
Wolverine Trading
Illinois
$515K -$1.14M -6,429 -69%
GPA
547
Garrison Point Advisors
California
$513K – – –
CI Investments Inc
548
CI Investments Inc
Ontario, Canada
$502K -$65.6K -365 -12%
Acadian Asset Management
549
Acadian Asset Management
Massachusetts
$501K -$210K -1,171 -30%
GFM
550
GF Fund Management
China
$498K -$3.59K -20 -0.7%
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