TREX CO INC

PublicCIK: 1069878
TREXNYSE
Location

WINCHESTER, VA

13F Filings

Institutional Holders

TREX CO INCTREX— Latest position per institution from SEC 13F filings

15

Institutional holders

97.78M

Total shares held

4.71B

Estimated value

4.89M

Avg. position size

1

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

14.08M

Value

1.04B

Filed

Jun 30, 2024

2

BLACKROCK, INC.

CIK 2012383

Shares

10.49M

Value

525.08M

Filed

Jun 30, 2026

3

WELLINGTON MANAGEMENT GROUP LLP

CIK 902219

Shares

9.88M

Value

494.25M

Filed

Jun 30, 2026

4

VANGUARD GROUP INC

CIK 102909

Shares

9.82M

Value

344.50M

Filed

Dec 31, 2025

5

ALLIANCEBERNSTEIN L.P.

CIK 1109448

Shares

6.04M

Value

219.95M

Filed

Jun 30, 2026

6

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

CIK 1081019

Shares

5.99M

Value

119.68K

Filed

Jun 30, 2026

7

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

4.70M

Value

235.24M

Filed

Jun 30, 2026

8

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

4.44M

Value

222.42M

Filed

Jun 30, 2026

9

MILLENNIUM MANAGEMENT LLC

CIK 1273087

Shares

3.77M

Value

188.85M

Filed

Jun 30, 2026

10

WASATCH ADVISORS LP

CIK 814133

Shares

3.76M

Value

188.01M

Filed

Jun 30, 2026

11

AQR CAPITAL MANAGEMENT LLC

CIK 1167557

Shares

3.63M

Value

181.01M

Filed

Jun 30, 2026

12

AMERICAN CENTURY COMPANIES INC

CIK 748054

Shares

3.31M

Value

165.55M

Filed

Jun 30, 2026

13

STATE STREET CORP

CIK 93751

Shares

3.25M

Value

162.50M

Filed

Jun 30, 2026

14

ANOMALY CAPITAL MANAGEMENT, LP

CIK 1817534

Shares

2.31M

Value

119.24M

Filed

Sep 30, 2025

15

CITADEL ADVISORS LLC

CIK 1423053

Shares

2.30M

Value

115.30M

Filed

Jun 30, 2026

16

CLEARBRIDGE INVESTMENTS, LLC

CIK 1348883

Shares

2.17M

Value

108.53M

Filed

Jun 30, 2026

17

MORGAN STANLEY

CIK 895421

Shares

2.11M

Value

105.76M

Filed

Jun 30, 2026

18

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

1.93M

Value

96.51M

Filed

Jun 30, 2026

19

BANK OF AMERICA CORP /DE/

CIK 70858

Shares

1.90M

Value

94.85M

Filed

Jun 30, 2026

20

CONESTOGA CAPITAL ADVISORS, LLC

CIK 1163744

Shares

1.89M

Value

97.91M

Filed

Sep 30, 2025

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