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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
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 %
CAL
726
Capital Advisors Ltd
Ohio
$220K -$676 -4 -0.3%
CCM
727
Check Capital Management
California
$220K -$22.8K -135 -9%
AA
728
Addison Advisors
Vermont
$220K – – –
TAM
729
Trust Asset Management
Texas
$217K +$217K +1,282 New
ZF
730
Zhang Financial
Michigan
$216K +$216K +1,278 New
RCM
731
Radnor Capital Management
Pennsylvania
$213K +$213K +1,257 New
RT
732
Rockland Trust
Massachusetts
$213K -$142K -838 -40%
IPWA
733
International Private Wealth Advisors
California
$213K -$24K -142 -10%
WSFS
734
Wilmington Savings Fund Society
Delaware
$212K -$6.77K -40 -3%
BFO
735
Biltmore Family Office
North Carolina
$210K +$210K +1,239 New
HI
736
Harbour Investments
Wisconsin
$209K +$6.26K +37 +3%
TCOV
737
Trust Company of Vermont
Vermont
$208K +$21.2K +125 +11%
BEAM
738
Baker Ellis Asset Management
Washington
$206K +$206K +1,220 New
SLG
739
Stanley-Laman Group
Pennsylvania
$204K +$204K +1,208 New
WBCM
740
Wilson & Boucher Capital Management
California
$203K +$203K +1,200 New
PCM
741
Perkins Capital Management
Minnesota
$203K +$203K +1,200 New
JWCA
742
J.W. Coons Advisors
Ohio
$203K +$203K +1,200 New
VBCG
743
Valley Brook Capital Group
Pennsylvania
$203K +$203K +1,200 New
VCM
744
Viewpoint Capital Management
Washington
$203K +$203K +1,200 New
TAM
745
Townsend Asset Management
North Carolina
$203K +$203K +1,198 New
FAT
746
First American Trust
California
$203K +$203K +1,197 New
CPIG
747
Chicago Partners Investment Group
Illinois
$202K +$202K +1,146 New
PCTC
748
Perkins Coie Trust Company
Washington
$195K – – –
MCAI
749
Members Capital Advisors Inc
Wisconsin
$193K – – –
MG
750
Mather Group
Illinois
$184K +$55.2K +326 +43%
28 29
30
31 32