DGX

QUEST DIAGNOSTICS INC

Services-Medical LaboratoriesNYSELarge accelerated filer

Total Trades

102

Buys

0

Sells

64

Largest Trade

N/A

Insiders

11

Institutional Funds

934

Inst. Value

$1M+

Activist Filings

9

Insider Trades

InsiderTitleTypeValueSharesPriceDate
PREVOZNIK MICHAEL ESVP & General Coun…SELL$100K–$500K2K$126.26Mar 1, 2022
PREVOZNIK MICHAEL ESVP & General Coun…GRANTN/A3KMar 1, 2022
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Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

T. Rowe Price Associates, Inc.

SC 13G/A · Aug 14, 2025

6.5%

7.2M shares

T. Rowe Price Associates, Inc.

SC 13G · May 14, 2025

5.4%

6.0M shares

BlackRock, Inc.

SC 13G/A · Apr 17, 2025

8.4%

9.3M shares

The Vanguard Group - 23-1945930

SC 13G/A · Feb 13, 2024

12.1%

13.6M shares

BlackRock, Inc.

SC 13G/A · Jan 24, 2024

9.4%

10.6M shares

BlackRock, Inc.

SC 13G/A · Jan 23, 2023

10.9%

12.4M shares

BlackRock, Inc.

SC 13G/A · Apr 8, 2022

10.7%

12.8M shares

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