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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 142 funds opening new positions, 312 increasing their positions, 332 reducing their positions, and 61 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
952
Holders Change
+67
Holders Change %
+7.57%
% 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
142
Increased
312
Reduced
332
Closed
61
Calls
$83.5M
Puts
$136M
Net Calls
-$52.3M
Net Calls Change
-$80.5M

Top Buyers

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

Top Sellers

1
Millennium Management
Millennium Management
New York
$2.58M
2
Aberdeen Group
Aberdeen Group
United Kingdom
$15M
3
American Century Companies
American Century Companies
Missouri
$205M
4
Marshall Wace
Marshall Wace
United Kingdom
$81.8M
5
Prudential Financial
Prudential Financial
New Jersey
$10.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
LS
751
Livforsakringsbolaget Skandia
Sweden
$184K – – –
WTC
752
WhitTier Trust Company
Nevada
$180K +$4.74K +28 +3%
CFB
753
Cullen/Frost Bankers
Texas
$179K +$9.98K +59 +6%
PTC
754
Private Trust Company
Ohio
$178K – – –
CSPIA
755
Cary Street Partners Investment Advisory
Virginia
$175K +$142K +839 +424%
SIS
756
Sound Income Strategies
Florida
$174K +$45.2K +267 +35%
ST
757
Smithfield Trust
Pennsylvania
$173K -$29.1K -172 -14%
IRC
758
Investors Research Corp
Georgia
$171K – – –
MA
759
Montag & Associates
Georgia
$161K – – –
VNA
760
Valley National Advisers
Pennsylvania
$149K -$60.8K -361 -29%
GM
761
GeoWealth Management
Illinois
$149K +$68.5K +405 +85%
IWA
762
Icon Wealth Advisors
Texas
$148K +$5.08K +30 +4%
RI
763
Ridgewood Investments
New Jersey
$146K – – –
SAM
764
Smartleaf Asset Management
Massachusetts
$143K +$18.4K +110 +15%
SOW
765
State of Wyoming
Wyoming
$141K -$283K -1,675 -67%
PPWM
766
PFG Private Wealth Management
Florida
$138K +$138K +818 New
AP
767
Antipodes Partners
Australia
$136K +$136K +802 New
CT
768
Clearstead Trust
Maine
$123K +$3.72K +22 +3%
Group One Trading
769
Group One Trading
Illinois
$123K +$123K +724 New
O
770
Ossiam
France
$115K +$115K +682 New
AIP
771
Arrowpoint Investment Partners
Singapore
$113K +$113K +670 New
CCMW
772
Cypress Capital Management (Wyoming)
Wyoming
$102K – – –
OIA
773
Optimum Investment Advisors
Illinois
$102K – – –
CG
774
Curat Global
New Hampshire
$102K +$102K +600 New
HWA
775
Heritage Wealth Advisors
Virginia
$99.8K -$2.03K -12 -2%
29 30
31
32 33