Skip to main content
TREX logo

TREX · Trex Co Inc · Shareholders & Ownership

Track TREX — free
$48.76 +2.27 (+4.88%)
Market Cap
$4.79B
Shares
101.87M
Volume · Oct 20 2.11M Avg daily vol (3M) 1.7M

Every disclosed holder of TREX in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns TREX

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

No chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.

Holder group Shares % Out
Institutional (13F) 112,387,467 110.33%
Insiders (Forms 3, 4, 5) 926,779 0.91%
13D/G-only blocks 0 0.00%
Remaining 11,449,056 -11.24%
Registered funds (N-PORT, not summed) 36,535,342 35.87%

Shares outstanding: 101,865,190, the issuer's latest cover-page count restated onto today's split basis.

Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of TREX

# Holder Shares
1
WELLINGTON MANAGEMENT GROUP LLP
13G CIK 902219 · Holding company · Jul 31, 2026
Rule 13d-1(b), qualified institution, not summed
10,558,010
1.1
WELLINGTON MANAGEMENT GROUP LLP
13F CIK 902219 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
9,877,116
2
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
10,493,216
2.1
iShares Core S&P Mid-Cap ETF
Fund S000004307 · Registered fund · Jun 30, 2026
iShares Trust, not summed
3,552,221
2.2
iShares S&P Mid-Cap 400 Value ETF
Fund S000004309 · Registered fund · Jun 30, 2026
iShares Trust, not summed
520,470
2.3
iShares U.S. Home Construction ETF
Fund S000009415 · Registered fund · Jun 30, 2026
iShares Trust, not summed
497,251
2.4
iShares Russell Mid-Cap ETF
Fund S000004338 · Registered fund · Jun 30, 2026
iShares Trust, not summed
423,294
2.5
iShares Russell 1000 Value ETF
Fund S000004345 · Registered fund · Jun 30, 2026
iShares Trust, not summed
230,668
3
MILLENNIUM MANAGEMENT LLC
13G CIK 1273087 · Registered investment adviser · Jul 31, 2026
Rule 13d-1(c), passive investor, not summed
5,570,532
3.1
MILLENNIUM MANAGEMENT LLC
13F CIK 1273087 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,773,886
4
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
4,701,079
5
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
4,444,799
6
WASATCH ADVISORS LP
13F CIK 814133 · Registered investment adviser · Sep 30, 2026
3,641,416
6.1
Wasatch Core Growth Fund
Fund S000000877 · Registered fund · Jun 30, 2026
WASATCH FUNDS TRUST, not summed
966,473
6.2
Wasatch Small Cap Value Fund
Fund S000000878 · Registered fund · Jun 30, 2026
WASATCH FUNDS TRUST, not summed
445,136
6.3
Wasatch Ultra Growth Fund
Fund S000000879 · Registered fund · Jun 30, 2026
WASATCH FUNDS TRUST, not summed
163,149
6.4
Wasatch Global Opportunities Fund
Fund S000022592 · Registered fund · Jun 30, 2026
WASATCH FUNDS TRUST, not summed
35,217
7
AQR CAPITAL MANAGEMENT LLC
13F CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,633,238
7.1
AQR Equity Market Neutral Fund
Fund S000046740 · Registered fund · Jun 30, 2026
AQR Funds, not summed
179,782
7.2
AQR Long-Short Equity Fund
Fund S000041116 · Registered fund · Jun 30, 2026
AQR Funds, not summed
81,642
7.3
AQR Large Cap Multi-Style Fund
Fund S000040063 · Registered fund · Jun 30, 2026
AQR Funds, not summed
22,110
7.4
AQR MS Fusion HV Fund
Fund S000093174 · Registered fund · Jun 30, 2026
AQR Funds, not summed
3,412
7.5
AQR LSE Fusion Fund
Fund S000093171 · Registered fund · Jun 30, 2026
AQR Funds, not summed
2,304
8
AMERICAN CENTURY COMPANIES INC
13F CIK 748054 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
3,308,378
8.1
Small Cap Growth Fund
Fund S000006193 · Registered fund · Jul 31, 2026
American Century Mutual Funds, Inc., not summed
1,007,215
9
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
3,298,816
10
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
3,247,388
10.1
State Street(R) SPDR(R) Portfolio S&P 400(TM) Mid Cap ETF
Fund S000006986 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
525,928
10.2
State Street(R) SPDR(R) S & P 400(TM) Mid Cap Value ETF
Fund S000006988 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
160,160
10.3
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
35,238
10.4
State Street(R) SPDR(R) Portfolio S&P 1500(R) Composite Stock Market ETF
Fund S000006973 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
23,062
10.5
State Street(R) SPDR(R) Portfolio MSCI Global Stock Market ETF
Fund S000036082 · Registered fund · Jun 30, 2026
SPDR INDEX SHARES FUNDS, not summed
1,753
11
VANGUARD SMALL-CAP INDEX FUND
Fund S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
2,383,529
12
CITADEL ADVISORS LLC
13F CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,236,735
13
Clearbridge Investments, LLC
13F CIK 1348883 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,168,849
14
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
2,113,486
14.1
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
196
15
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,928,184
16
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,895,509
17
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F CIK 1164508 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,766,003
18
DIMENSIONAL FUND ADVISORS LP
13F CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,713,362
18.1
U.S. SMALL CAP PORTFOLIO
Fund S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
423,673
18.2
Dimensional U.S. Small Cap ETF
Fund S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
327,180
18.3
U.S. CORE EQUITY 2 PORTFOLIO
Fund S000000980 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
131,472
18.4
U.S. CORE EQUITY 1 PORTFOLIO
Fund S000000979 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
123,443
18.5
Dimensional U.S. Core Equity 2 ETF
Fund S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
123,228
19
SG Americas Securities, LLC
13F CIK 1313360 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,679,086
20
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,622,917
20.1
Multi-Manager U.S. Small Cap Equity Fund
Fund S000051363 · Registered fund · Apr 30, 2026
Goldman Sachs Trust II, not summed
28,680
20.2
Goldman Sachs MarketBeta(R) Russell 1000 Value Equity ETF
Fund S000083006 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
1,280
20.3
Goldman Sachs JUST U.S. Large Cap Equity ETF
Fund S000061377 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
1,128
20.4
Goldman Sachs Absolute Return Tracker Fund
Fund S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
363
21
Point72 Asset Management, L.P.
13F CIK 1603466 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,520,782
22
WESTWOOD HOLDINGS GROUP INC
13F CIK 1165002 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,504,036
23
VANGUARD SMALL-CAP GROWTH INDEX FUND
Fund S000002846 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,376,757
24
TWO SIGMA INVESTMENTS, LP
13F CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,331,721
25
FEDERATED HERMES, INC.
13F CIK 1056288 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,327,948
26
Impax Asset Management Group plc
13F CIK 1749768 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,304,299
27
NORGES BANK
13F CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
1,258,986
28
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,191,698
29
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,124,192
29.1
Schwab U.S. Mid-Cap ETF
Fund S000026635 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
290,440
29.2
Schwab Fundamental U.S. Small Company ETF
Fund S000040878 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
259,083
29.3
Schwab U.S. Large-Cap ETF
Fund S000026632 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
112,716
29.4
Schwab Fundamental U.S. Small Company Index Fund
Fund S000016767 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
83,591
29.5
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
64,021
30
Quantinno Capital Management LP
13F CIK 1759654 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
981,547
31
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
879,059
31.1
Mid Cap Index Fund
Fund S000001273 · Registered fund · Jun 30, 2026
Northern Funds, not summed
67,551
31.2
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
4,374
32
JACOBS LEVY EQUITY MANAGEMENT, INC
13F CIK 884414 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
875,234
33
Avantis U.S. Small Cap Value ETF
Fund S000066459 · Registered fund · May 31, 2026
American Century ETF Trust, not summed
804,135
34
FMR LLC
13F CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
792,194
34.1
Fidelity Extended Market Index Fund
Fund S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
555,701
34.2
Fidelity Mid Cap Index Fund
Fund S000033637 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
390,560
34.3
Strategic Advisers U.S. Total Stock Fund
Fund S000084926 · Registered fund · May 31, 2026
Fidelity Rutland Square Trust II, not summed
307,268
34.4
Fidelity Series Large Cap Stock Fund
Fund S000039214 · Registered fund · Jun 30, 2026
Fidelity Hastings Street Trust, not summed
253,000
34.5
Fidelity Total Market Index Fund
Fund S000006026 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
203,992
35
FORT WASHINGTON INVESTMENT ADVISORS INC /OH/
13F CIK 1009016 · Unknown · Sep 30, 2026
754,311
36
ROYCE & ASSOCIATES LP
13F CIK 906304 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
741,113
36.1
Royce Small-Cap Opportunity Fund
Fund S000009512 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
145,038
36.2
Royce Small-Cap Total Return Fund
Fund S000009510 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
116,068
36.3
Royce Small-Cap Fund
Fund S000009507 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
90,398
36.4
Royce SMid-Cap Total Return Fund
Fund S000009522 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
4,111
37
VANGUARD EXPLORER FUND
Fund S000002578 · Registered fund · Jul 31, 2026
VANGUARD EXPLORER FUND, not summed
727,000
38
Freestone Grove Partners LP
13F CIK 2007591 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
723,354
39
Grantham, Mayo, Van Otterloo & Co. LLC
13F CIK 1352662 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
693,095
39.1
GMO Small Cap Quality Fund
Fund S000077554 · Registered fund · May 31, 2026
GMO TRUST, not summed
513,828
39.2
GMO Alternative Allocation Fund
Fund S000065268 · Registered fund · May 31, 2026
GMO TRUST, not summed
49,368
40
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
656,124
41
MANUFACTURERS LIFE INSURANCE COMPANY, THE
13F CIK 928047 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
639,438
41.1
Small Cap Core Fund
Fund S000043450 · Registered fund · Jul 31, 2026
John Hancock Investment Trust, not summed
429,634
41.2
John Hancock Multifactor Small Cap ETF
Fund S000059464 · Registered fund · Jun 30, 2026
John Hancock Exchange-Traded Fund Trust, not summed
39,241
42
Amundi
13F CIK 1330387 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
607,749
43
Bank of New York Mellon Corp
13F CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
600,767
43.1
BNY Mellon US Small Cap Core Equity ETF
Fund S000067262 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
4,008
44
Alyeska Investment Group, L.P.
13F CIK 1453072 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
599,679
45
DISCIPLINED GROWTH INVESTORS INC /MN
13F CIK 1050442 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
592,096
45.1
Disciplined Growth Investors Fund
Fund S000033265 · Registered fund · Apr 30, 2025
FINANCIAL INVESTORS TRUST, not summed
72,559
45.2
The Disciplined Growth Investors Fund
Fund S000093392 · Registered fund · Jul 31, 2026
Elevation Series Trust, not summed
60,596
46
GENEVA CAPITAL MANAGEMENT LLC
13F CIK 1009232 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
588,319
47
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F CIK 861177 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
563,931
48
Hill City Capital, LP
13F CIK 1837343 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
550,000
49
SEI INVESTMENTS CO
13F CIK 350894 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
542,355
49.1
SIIT EXTENDED MARKET INDEX FUND
Fund S000035814 · Registered fund · May 31, 2026
SEI INSTITUTIONAL INVESTMENTS TRUST, not summed
16,260
49.2
SIIT LARGE CAP INDEX FUND
Fund S000006768 · Registered fund · May 31, 2026
SEI INSTITUTIONAL INVESTMENTS TRUST, not summed
3,200
49.3
New Covenant Growth Fund
Fund S000024941 · Registered fund · Jun 30, 2026
NEW COVENANT FUNDS, not summed
1,134
49.4
Catholic Values Equity Fund
Fund S000048320 · Registered fund · May 31, 2026
SEI CATHOLIC VALUES TRUST, not summed
956
49.5
AMT Diversified Equity Fund
Fund S000073478 · Registered fund · Jul 31, 2026
ADVISER MANAGED TRUST, not summed
507
50
MARSHALL WACE, LLP
13F CIK 1318757 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
520,095

58 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 662 holders

Create a free account to page through every holder, filter by source and group by ultimate parent.

Key facts CIK 1069878 CUSIP 89531P105 13F (30d) 64 filings 57 filers Visit website Investor relations