NEWMARKET CORP

PublicCIK: 1282637
NEUNYSE
Location

RICHMOND, VA

13F Filings

Institutional Holders

NEWMARKET CORPNEU— Latest position per institution from SEC 13F filings

15

Institutional holders

12.80M

Total shares held

3.99B

Estimated value

640.09K

Avg. position size

1

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

CIK 1081019

Shares

7.12M

Value

9K

Filed

Jun 30, 2026

2

VANGUARD GROUP INC

CIK 102909

Shares

828.80K

Value

569.60M

Filed

Dec 31, 2025

3

BLACKROCK, INC.

CIK 2012383

Shares

703.12K

Value

556.34M

Filed

Jun 30, 2026

4

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

615.46K

Value

317.31M

Filed

Jun 30, 2024

5

LONDON CO OF VIRGINIA

CIK 1259887

Shares

488.48K

Value

386.51M

Filed

Jun 30, 2026

6

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

416.06K

Value

329.21M

Filed

Jun 30, 2026

7

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

348.83K

Value

276.01M

Filed

Jun 30, 2026

8

BOSTON PARTNERS

CIK 1386060

Shares

323.90K

Value

256M

Filed

Jun 30, 2026

9

AQR CAPITAL MANAGEMENT LLC

CIK 1167557

Shares

270.01K

Value

213.64M

Filed

Jun 30, 2026

10

LSV ASSET MANAGEMENT

CIK 1050470

Shares

237.76K

Value

188.13K

Filed

Jun 30, 2026

11

STATE STREET CORP

CIK 93751

Shares

234.06K

Value

185.91M

Filed

Jun 30, 2026

12

AMERICAN CENTURY COMPANIES INC

CIK 748054

Shares

209.44K

Value

165.71M

Filed

Jun 30, 2026

13

DIMENSIONAL FUND ADVISORS LP

CIK 354204

Shares

205.66K

Value

162.73M

Filed

Jun 30, 2026

14

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

190.94K

Value

151.11M

Filed

Jun 30, 2026

15

GOTHAM ASSET MANAGEMENT, LLC

CIK 1510387

Shares

130.87K

Value

103.55M

Filed

Jun 30, 2026

16

SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P.

CIK 1812095

Shares

102.18K

Value

80.85M

Filed

Jun 30, 2026

17

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

CIK 884546

Shares

102.18K

Value

80.85M

Filed

Jun 30, 2026

18

MORGAN STANLEY

CIK 895421

Shares

98.33K

Value

77.81M

Filed

Jun 30, 2026

19

CAISSE DE DEPOT ET PLACEMENT DU QUEBEC

CIK 898286

Shares

91.65K

Value

72.52M

Filed

Jun 30, 2026

20

PRICE T ROWE ASSOCIATES INC /MD/

CIK 80255

Shares

85.98K

Value

68.03K

Filed

Jun 30, 2026

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