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Quest Diagnostics
DGX
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Overview
Overview
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Options
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News
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Posts
Financials
Financials
Forecast
Forecast
Valuation
Valuation
Shareholders
Shareholders
Profile
Profile
All Shareholders
Institutional Holders
Insiders
All Shareholders
Shareholder Type
Institutions
96.37%
Public and others
3.12%
Individuals & Insiders
0.37%
State-owned enterprises
0.15%
Major Shareholders
Latest
Major Shareholders Latest
Shareholder
% Held
Shares Held
Change %
Shares Changed
Report Date
BlackRock, Inc.
8.29%
9.17M
0.31%
-286.93K
03/31/2026
Vanguard Capital Management, LLC
6.46%
7.15M
--
+7.15M
03/31/2026
T. Rowe Price Group, Inc.
5.69%
6.30M
0.04%
+830.00
03/31/2026
Vanguard Portfolio Management, LLC
5.49%
6.08M
--
+6.08M
03/31/2026
State Street Global Advisors, Inc.
4.86%
5.38M
0.03%
-1.73K
03/31/2026
Boston Partners Global Investors, Inc.
3.73%
4.12M
0.11%
+112.55K
06/30/2026
JP Morgan Asset Management
3.07%
3.40M
0.43%
-450.35K
03/31/2026
Geode Capital Management, LLC
2.79%
3.09M
0.04%
+58.10K
03/31/2026
EdgePoint Investment Group Inc.
2.03%
2.24M
0.52%
+582.80K
03/31/2026
Dimensional Fund Advisors LP
1.76%
1.95M
<0.01%
+17.99K
03/31/2026
Grantham Mayo Van Otterloo & Co. LLC
1.71%
1.89M
0.05%
+64.04K
03/31/2026
Victory Capital Management Inc.
1.67%
1.85M
0.27%
-280.09K
03/31/2026
Wells Fargo & Company
1.58%
1.75M
0.02%
-6.79K
03/31/2026
Davis Selected Advisers LP
1.46%
1.62M
0.02%
+27.93K
03/31/2026
UBS Asset Management AG
1.40%
1.55M
0.38%
-412.45K
03/31/2026
Invesco Capital Management LLC
1.24%
1.38M
0.03%
-20.19K
03/31/2026
Norges Bank Investment Management
1.19%
1.32M
<0.01%
+0
12/31/2025
Morgan Stanley
1.11%
1.23M
0.20%
-217.45K
03/31/2026
Eaton Vance Management
1.11%
1.23M
<0.01%
+6.91K
03/31/2026
Northern Trust Global Investments
1.01%
1.11M
0.03%
+35.65K
03/31/2026