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Quest Diagnostics
DGX

Overview Fund Activity

952 hedge funds and large institutions have $17.2B invested in Quest Diagnostics in 2025 Q1 according to their latest regulatory filings, with 143 funds opening new positions, 311 increasing their positions, 332 reducing their positions, and 61 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
952
Holders Change
+68
Holders Change %
+7.69%
% of All Funds
12.93%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
143
Increased
311
Reduced
332
Closed
61
Calls
$83.5M
Puts
$136M
Net Calls
-$52.3M
Net Calls Change
-$80.5M

Top Buyers

1
Boston Partners
1
Boston Partners
Massachusetts
$389M
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$638M
3
Nordea Investment Management
3
Nordea Investment Management
Sweden
$213M
4
Neuberger Berman Group
4
Neuberger Berman Group
New York
$108M
5
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$1.01B

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$2.58M
2
Aberdeen Group
2
Aberdeen Group
United Kingdom
$15M
3
American Century Companies
3
American Century Companies
Missouri
$205M
4
Marshall Wace
4
Marshall Wace
United Kingdom
$81.8M
5
Prudential Financial
5
Prudential Financial
New Jersey
$10.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
CCB
376
Country Club Bank
Missouri
$1.36M +$8.37K +50 +0.6%
MUAMU
377
Mitsubishi UFJ Asset Management (UK)
United Kingdom
$1.35M -$2.37M -14,000 -64%
Northwestern Mutual Wealth Management
378
Northwestern Mutual Wealth Management
Wisconsin
$1.35M -$30.8K -182 -2%
PCM
379
Parsons Capital Management
Rhode Island
$1.35M -$241K -1,425 -15%
Arrowstreet Capital
380
Arrowstreet Capital
Massachusetts
$1.35M +$1.35M +7,965 New
XT
381
XTX Topco
Cayman Islands
$1.32M +$1.32M +7,779 New
NIM
382
Needham Investment Management
New York
$1.31M -$127K -750 -9%
AI
383
Atria Investments
North Carolina
$1.31M +$187K +1,107 +17%
PS
384
Pensionfund Sabic
Netherlands
$1.3M -$254K -1,500 -16%
BMSSC
385
B. Metzler seel. Sohn & Co
Germany
$1.3M +$232K +1,369 +22%
HW
386
Hancock Whitney
Mississippi
$1.29M -$24.2K -143 -2%
Bessemer Group
387
Bessemer Group
New Jersey
$1.29M -$2.23M -13,190 -63%
ACM
388
Aurdan Capital Management
Pennsylvania
$1.29M +$1.29M +7,597 New
MIM
389
Miller Investment Management
Pennsylvania
$1.28M – – –
KRS
390
Kentucky Retirement Systems
Kentucky
$1.28M -$12.4K -73 -1%
VI
391
Versor Investments
New York
$1.25M +$510K +3,013 +68%
CIS
392
Custom Index Systems
New York
$1.24M +$81K +479 +7%
YIH
393
Y-Intercept (HK)
Hong Kong
$1.23M +$1.23M +7,258 New
AF
394
AGP Franklin
Tennessee
$1.22M +$270K +1,617 +28%
AC
395
Allstate Corporation
Illinois
$1.21M +$632K +3,735 +110%
RPI
396
Railway Pension Investments
United Kingdom
$1.2M -$4.53M -26,761 -79%
MGP
397
Metis Global Partners
California
$1.2M +$99.7K +589 +9%
Brown Advisory
398
Brown Advisory
Maryland
$1.2M +$25.4K +150 +2%
EGM
399
Engineers Gate Manager
New York
$1.17M +$463K +2,735 +65%
YP
400
YANKCOM Partnership
South Dakota
$1.17M -$20.3K -120 -2%
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16
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