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

123.28M

Total shares held

15.82B

Estimated value

6.16M

Avg. position size

1

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

CIK 1081019

Shares

37.04M

Value

174.78K

Filed

Jun 30, 2026

2

VANGUARD GROUP INC

CIK 102909

Shares

14.39M

Value

2.50B

Filed

Dec 31, 2025

3

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

10.06M

Value

1.38B

Filed

Jun 30, 2024

4

BLACKROCK, INC.

CIK 2012383

Shares

9.28M

Value

1.97B

Filed

Jun 30, 2026

5

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

7.23M

Value

1.53B

Filed

Jun 30, 2026

6

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

6.13M

Value

1.30B

Filed

Jun 30, 2026

7

STATE STREET CORP

CIK 93751

Shares

5.52M

Value

1.17B

Filed

Jun 30, 2026

8

PRICE T ROWE ASSOCIATES INC /MD/

CIK 80255

Shares

5.44M

Value

1.15M

Filed

Jun 30, 2026

9

BOSTON PARTNERS

CIK 1386060

Shares

4.74M

Value

1B

Filed

Jun 30, 2026

10

JPMORGAN CHASE & CO

CIK 19617

Shares

3.52M

Value

748.59M

Filed

Jun 30, 2026

11

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

3.14M

Value

662.58M

Filed

Jun 30, 2026

12

MORGAN STANLEY

CIK 895421

Shares

2.46M

Value

521.50M

Filed

Jun 30, 2026

13

EDGEPOINT INVESTMENT GROUP INC.

CIK 1481669

Shares

2.25M

Value

476.37M

Filed

Jun 30, 2026

14

DIMENSIONAL FUND ADVISORS LP

CIK 354204

Shares

1.99M

Value

421.38M

Filed

Jun 30, 2026

15

BANK OF AMERICA CORP /DE/

CIK 70858

Shares

1.94M

Value

410.15M

Filed

Jun 30, 2026

16

GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC

CIK 1352662

Shares

1.89M

Value

400.21M

Filed

Jun 30, 2026

17

WELLS FARGO & COMPANY/MN

CIK 72971

Shares

1.75M

Value

371.17M

Filed

Jun 30, 2026

18

DAVIS SELECTED ADVISERS

CIK 1036325

Shares

1.56M

Value

329.78M

Filed

Jun 30, 2026

19

VICTORY CAPITAL MANAGEMENT INC

CIK 1040188

Shares

1.55M

Value

328.64M

Filed

Jun 30, 2026

20

NORGES BANK

CIK 1374170

Shares

1.41M

Value

298.13M

Filed

Jun 30, 2026

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