DGX
Common Stock

Quest Diagnostics INC

As of Jun 30, 2026 CUSIP 74834L100
Institutional Holders
1,120
Total Held Value
$22.15B
Total Exact Shares
104.08M
Largest Holder
BlackRock
9.28M shares • $1.97B
Reported Holders1,120
Filings dated Jun 30, 2026 unless marked
# Trend (4Q)
1 BlackRock $1.97B <0.1% +1.1% 9.28M Jun 30, 2026
2 Vanguard Capital Management $1.53B <0.1% +1.2% 7.23M Jun 30, 2026
3 Vanguard Portfolio Management $1.30B 0.1% +0.8% 6.13M Jun 30, 2026
4 State Street $1.17B <0.1% +2.5% 5.52M Jun 30, 2026
5 T. Rowe Price Associates $1.15B 0.1% -13.5% 5.44M Jun 30, 2026
6 Boston Partners $1.00B 0.9% +18.3% 4.74M Jun 30, 2026
7 JPMorgan Chase $748.6M <0.1% -8.5% 3.52M Jun 30, 2026
8 Geode Capital Management $662.6M <0.1% +1.7% 3.14M Jun 30, 2026
9 Morgan Stanley $521.5M <0.1% -0.8% 2.46M Jun 30, 2026
10 EdgePoint Investment Group $476.4M 3.6% +0.2% 2.25M Jun 30, 2026
11 Dimensional Fund Advisors $421.4M 0.1% +2.0% 1.99M Jun 30, 2026
12 Bank of America $410.2M <0.1% +10.4% 1.94M Jun 30, 2026
13 Grantham, Mayo, Van Otterloo & Co. $400.2M 0.9% +0.3% 1.89M Jun 30, 2026
14 Wells Fargo $371.2M 0.1% -0.7% 1.75M Jun 30, 2026
15 Davis Selected Advisers $329.8M 1.4% -3.8% 1.56M Jun 30, 2026
16 Victory Capital Management $328.6M 0.2% -16.0% 1.55M Jun 30, 2026
17 Norges Bank $298.1M <0.1% — 1.41M — Jun 30, 2026
18 Fidelity (FMR) $296.5M <0.1% +48.5% 1.40M Jun 30, 2026
19 Invesco $292.3M <0.1% — 1.38M — Jun 30, 2026
20 Northern Trust $239.0M <0.1% +1.2% 1.13M Jun 30, 2026
Exited in Latest Filing79
# Fund Prior Value Prior % of Fund Change Prior Shares Trend (4Q) Exit Report
Each exit is an immediately prior-filing position absent from that manager's latest published filing. Prior values are shown for context and are not included in current totals.