QUEST DIAGNOSTICS INC

PublicCIK: 1022079
DGXNYSE
Location

SECAUCUS, NJ

13F Filings

Institutional Holders

QUEST DIAGNOSTICS INCDGX— Latest position per institution from SEC 13F filings

15

Institutional holders

88.30M

Total shares held

15.06B

Estimated value

4.41M

Avg. position size

1

VANGUARD GROUP INC

CIK 102909

Shares

14.39M

Value

2.50B

Filed

Dec 31, 2025

2

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

10.06M

Value

1.38B

Filed

Jun 30, 2024

3

BLACKROCK, INC.

CIK 2012383

Shares

9.17M

Value

1.80B

Filed

Mar 31, 2026

4

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

7.15M

Value

1.40B

Filed

Mar 31, 2026

5

PRICE T ROWE ASSOCIATES INC /MD/

CIK 80255

Shares

6.30M

Value

1.23M

Filed

Mar 31, 2026

6

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

6.08M

Value

1.19B

Filed

Mar 31, 2026

7

STATE STREET CORP

CIK 93751

Shares

5.38M

Value

1.05B

Filed

Mar 31, 2026

8

JPMORGAN CHASE & CO

CIK 19617

Shares

4.15M

Value

719.44M

Filed

Dec 31, 2025

9

BOSTON PARTNERS

CIK 1386060

Shares

4.01M

Value

786.65M

Filed

Mar 31, 2026

10

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

3.09M

Value

602.66M

Filed

Mar 31, 2026

11

MORGAN STANLEY

CIK 895421

Shares

2.48M

Value

485.98M

Filed

Mar 31, 2026

12

EDGEPOINT INVESTMENT GROUP INC.

CIK 1481669

Shares

2.24M

Value

439.75M

Filed

Mar 31, 2026

13

DIMENSIONAL FUND ADVISORS LP

CIK 354204

Shares

1.95M

Value

382.09M

Filed

Mar 31, 2026

14

GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC

CIK 1352662

Shares

1.88M

Value

369.04M

Filed

Mar 31, 2026

15

VICTORY CAPITAL MANAGEMENT INC

CIK 1040188

Shares

1.85M

Value

361.84M

Filed

Mar 31, 2026

16

WELLS FARGO & COMPANY/MN

CIK 72971

Shares

1.76M

Value

345.47M

Filed

Mar 31, 2026

17

BANK OF AMERICA CORP /DE/

CIK 70858

Shares

1.75M

Value

343.53M

Filed

Mar 31, 2026

18

INVESCO LTD.

CIK 914208

Shares

1.64M

Value

321.11M

Filed

Mar 31, 2026

19

DAVIS SELECTED ADVISERS

CIK 1036325

Shares

1.62M

Value

317.06M

Filed

Mar 31, 2026

20

GOLDMAN SACHS GROUP INC

CIK 886982

Shares

1.35M

Value

264.32M

Filed

Mar 31, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.