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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
12.95%
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 %
GPFA
376
Game Plan Financial Advisors
Ohio
$1.3M -$413K -2,298 -24%
CIS
377
Custom Index Systems
New York
$1.29M -$22.8K -127 -2%
Brown Advisory
378
Brown Advisory
Maryland
$1.28M +$8.26K +46 +0.6%
KRS
379
Kentucky Retirement Systems
Kentucky
$1.28M -$83.7K -466 -6%
RPI
380
Railway Pension Investments
United Kingdom
$1.28M – – –
MOS
381
MGO One Seven
Ohio
$1.27M +$141K +783 +13%
GSC
382
G&S Capital
Colorado
$1.26M +$1.26M +7,024 New
NWAG
383
Net Worth Advisory Group
Utah
$1.26M +$92K +512 +8%
MUAMU
384
Mitsubishi UFJ Asset Management (UK)
United Kingdom
$1.26M -$180K -1,000 -13%
YP
385
YANKCOM Partnership
South Dakota
$1.25M +$2.52K +14 +0.2%
ACM
386
Aurdan Capital Management
Pennsylvania
$1.25M -$119K -660 -9%
BAM
387
Byrne Asset Management
New Jersey
$1.24M -$2.69K -15 -0.2%
OSAM
388
O'Shaughnessy Asset Management
Connecticut
$1.23M +$297K +1,654 +32%
ATPW
389
Ashton Thomas Private Wealth
Arizona
$1.23M +$410K +2,285 +50%
HIMCH
390
Hartford Investment Management Co (HIMCO)
Connecticut
$1.21M -$10.2K -57 -0.8%
BEI
391
Benjamin Edwards Inc
Missouri
$1.21M +$28K +156 +2%
TA
392
TKG Advisors
Indiana
$1.16M +$1.16M +6,484 New
ETC
393
Exchange Traded Concepts
Oklahoma
$1.16M +$120K +667 +11%
MGP
394
Metis Global Partners
California
$1.16M -$116K -644 -9%
AIM
395
Aigen Investment Management
New York
$1.15M +$1.15M +6,414 New
BDA
396
Borer Denton & Associates
Pennsylvania
$1.15M – – –
AWM
397
Apollon Wealth Management
South Carolina
$1.15M -$52.5K -292 -4%
HAG
398
HighPoint Advisor Group
Illinois
$1.14M +$33.4K +186 +3%
HCM
399
Highview Capital Management
Illinois
$1.14M +$1.14M +6,344 New
PAG
400
Private Advisor Group
New Jersey
$1.13M +$59.3K +330 +6%
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16
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