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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 %
NMIMC
501
Northwestern Mutual Investment Management Company
Wisconsin
$640K +$5.39K +30 +0.8%
Kovitz Investment Group Partners
502
Kovitz Investment Group Partners
Illinois
$640K -$98.8K -550 -13%
BAM
503
Blueshift Asset Management
New Jersey
$636K -$1.1M -6,105 -63%
FC
504
Farringdon Capital
United Kingdom
$634K +$213K +1,186 +51%
MAS
505
Meeder Advisory Services
Ohio
$630K +$90.9K +506 +17%
Parallax Volatility Advisers
506
Parallax Volatility Advisers
California
$623K +$623K +3,466 +346,600%
AIM
507
Acropolis Investment Management
Missouri
$622K +$719 +4 +0.1%
VSQM
508
V-Square Quantitative Management
Illinois
$622K +$52.3K +291 +9%
QIM
509
Quantitative Investment Management
Virginia
$620K -$312K -1,738 -33%
CFO
510
Callan Family Office
Pennsylvania
$619K +$619K +3,447 New
VT
511
Vise Technologies
New York
$612K +$612K +3,406 New
SPIA
512
Steward Partners Investment Advisory
New York
$608K +$5.57K +31 +0.9%
PA
513
Parallel Advisors
California
$608K +$18K +100 +3%
FB
514
Fulton Bank
Pennsylvania
$604K +$138K +767 +30%
MWM
515
Meridian Wealth Management
Kentucky
$602K – – –
IWC
516
Integrated Wealth Concepts
Massachusetts
$601K -$1.09M -6,073 -64%
P
517
Pitcairn
Pennsylvania
$600K -$115K -642 -16%
TA
518
Tectonic Advisors
Texas
$597K +$19.6K +109 +3%
GWCM
519
Godshalk Welsh Capital Management
Pennsylvania
$593K -$18K -100 -3%
ASN
520
Advisory Services Network
Georgia
$591K +$591K +3,533 New
OFS
521
OMC Financial Services
New York
$589K – – –
UCFA
522
United Capital Financial Advisors
Texas
$584K -$2.34K -13 -0.4%
UIM
523
Unified Investment Management
Georgia
$569K +$9.34K +52 +2%
FAB
524
First American Bank
Illinois
$568K +$568K +3,163 New
MCA
525
Martin Capital Advisors
Texas
$565K – – –
19 20
21
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