TREX · Trex Co Inc · Shareholders & Ownership
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 positionsNo 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 | 13,944,145 | 13.69% |
| Remaining | 25,393,201 | -24.93% |
| 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 | As of | Notes |
|---|---|---|---|---|
| 1 |
|
13,944,145 | ||
| 2 |
WELLINGTON MANAGEMENT GROUP LLP
13G
CIK 902219 · Holding company · Jul 31, 2026
Rule 13d-1(b), qualified institution, not summed
|
10,558,010 | ||
| 2.1 |
WELLINGTON MANAGEMENT GROUP LLP
13F
CIK 902219 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
9,877,116 | ||
| 3 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
10,493,216 | ||
| 3.1 |
iShares Core S&P Mid-Cap ETF
Fund
S000004307 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
3,552,221 | ||
| 3.2 |
iShares S&P Mid-Cap 400 Value ETF
Fund
S000004309 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
520,470 | ||
| 3.3 |
iShares U.S. Home Construction ETF
Fund
S000009415 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
497,251 | ||
| 3.4 |
iShares Russell Mid-Cap ETF
Fund
S000004338 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
423,294 | ||
| 3.5 |
iShares Russell 1000 Value ETF
Fund
S000004345 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
230,668 | ||
| 4 |
MILLENNIUM MANAGEMENT LLC
13G
CIK 1273087 · Registered investment adviser · Jul 31, 2026
Rule 13d-1(c), passive investor, not summed
|
5,570,532 | ||
| 4.1 |
MILLENNIUM MANAGEMENT LLC
13F
CIK 1273087 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,773,886 | ||
| 5 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
4,701,079 | ||
| 6 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
4,444,799 | ||
| 7 |
WASATCH ADVISORS LP
13F
CIK 814133 · Registered investment adviser · Sep 30, 2026
|
3,641,416 | ||
| 7.1 |
Wasatch Core Growth Fund
Fund
S000000877 · Registered fund · Jun 30, 2026
WASATCH FUNDS TRUST, not summed
|
966,473 | ||
| 7.2 |
Wasatch Small Cap Value Fund
Fund
S000000878 · Registered fund · Jun 30, 2026
WASATCH FUNDS TRUST, not summed
|
445,136 | ||
| 7.3 |
Wasatch Ultra Growth Fund
Fund
S000000879 · Registered fund · Jun 30, 2026
WASATCH FUNDS TRUST, not summed
|
163,149 | ||
| 7.4 |
Wasatch Global Opportunities Fund
Fund
S000022592 · Registered fund · Jun 30, 2026
WASATCH FUNDS TRUST, not summed
|
35,217 | ||
| 8 |
AQR CAPITAL MANAGEMENT LLC
13F
CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,633,238 | ||
| 9 |
AMERICAN CENTURY COMPANIES INC
13F
CIK 748054 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,308,378 | ||
| 9.1 |
Small Cap Growth Fund
Fund
S000006193 · Registered fund · Jul 31, 2026
American Century Mutual Funds, Inc., not summed
|
1,007,215 | ||
| 10 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
3,298,816 | ||
| 11 |
|
3,247,388 | ||
| 11.1 |
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 | ||
| 11.2 |
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 | ||
| 11.3 |
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund
S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
35,238 | ||
| 11.4 |
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 | ||
| 11.5 |
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 | ||
| 12 |
VANGUARD SMALL-CAP INDEX FUND
Fund
S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
2,383,529 | ||
| 13 |
CITADEL ADVISORS LLC
13F
CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,236,735 | ||
| 14 |
Clearbridge Investments, LLC
13F
CIK 1348883 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,168,849 | ||
| 15 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,113,486 | ||
| 15.1 |
E*TRADE No Fee Total Market Index Fund
Fund
S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
|
196 | ||
| 16 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,928,184 | ||
| 17 |
BANK OF AMERICA CORP /DE/
13F
CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,895,509 | ||
| 18 |
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F
CIK 1164508 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,766,003 | ||
| 19 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,713,362 | ||
| 19.1 |
U.S. SMALL CAP PORTFOLIO
Fund
S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
423,673 | ||
| 19.2 |
Dimensional U.S. Small Cap ETF
Fund
S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
327,180 | ||
| 19.3 |
U.S. CORE EQUITY 2 PORTFOLIO
Fund
S000000980 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
131,472 | ||
| 19.4 |
U.S. CORE EQUITY 1 PORTFOLIO
Fund
S000000979 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
123,443 | ||
| 19.5 |
Dimensional U.S. Core Equity 2 ETF
Fund
S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
123,228 | ||
| 20 |
SG Americas Securities, LLC
13F
CIK 1313360 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,679,086 | ||
| 21 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,622,917 | ||
| 21.1 |
Multi-Manager U.S. Small Cap Equity Fund
Fund
S000051363 · Registered fund · Apr 30, 2026
Goldman Sachs Trust II, not summed
|
28,680 | ||
| 21.2 |
Goldman Sachs MarketBeta(R) Russell 1000 Value Equity ETF
Fund
S000083006 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
1,280 | ||
| 21.3 |
Goldman Sachs JUST U.S. Large Cap Equity ETF
Fund
S000061377 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
1,128 | ||
| 21.4 |
Goldman Sachs Absolute Return Tracker Fund
Fund
S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
|
363 | ||
| 22 |
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 | ||
| 23 |
WESTWOOD HOLDINGS GROUP INC
13F
CIK 1165002 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,504,036 | ||
| 24 |
VANGUARD SMALL-CAP GROWTH INDEX FUND
Fund
S000002846 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,376,757 | ||
| 25 |
TWO SIGMA INVESTMENTS, LP
13F
CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,331,721 | ||
| 26 |
FEDERATED HERMES, INC.
13F
CIK 1056288 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,327,948 | ||
| 27 |
Impax Asset Management Group plc
13F
CIK 1749768 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,304,299 | ||
| 28 |
NORGES BANK
13F
CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,258,986 | ||
| 29 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,191,698 | ||
| 30 |
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 | ||
| 31 |
Quantinno Capital Management LP
13F
CIK 1759654 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
981,547 | ||
| 32 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
879,059 | ||
| 33 |
JACOBS LEVY EQUITY MANAGEMENT, INC
13F
CIK 884414 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
875,234 | ||
| 34 |
Avantis U.S. Small Cap Value ETF
Fund
S000066459 · Registered fund · May 31, 2026
American Century ETF Trust, not summed
|
804,135 | ||
| 35 |
FMR LLC
13F
CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
792,194 | ||
| 35.1 |
Fidelity Extended Market Index Fund
Fund
S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
555,701 | ||
| 35.2 |
Fidelity Mid Cap Index Fund
Fund
S000033637 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
|
390,560 | ||
| 35.3 |
Strategic Advisers U.S. Total Stock Fund
Fund
S000084926 · Registered fund · May 31, 2026
Fidelity Rutland Square Trust II, not summed
|
307,268 | ||
| 35.4 |
Fidelity Series Large Cap Stock Fund
Fund
S000039214 · Registered fund · Jun 30, 2026
Fidelity Hastings Street Trust, not summed
|
253,000 | ||
| 35.5 |
Fidelity Total Market Index Fund
Fund
S000006026 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
203,992 | ||
| 36 |
FORT WASHINGTON INVESTMENT ADVISORS INC /OH/
13F
CIK 1009016 · Unknown · Sep 30, 2026
|
754,311 | ||
| 37 |
ROYCE & ASSOCIATES LP
13F
CIK 906304 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
741,113 | ||
| 37.1 |
Royce Small-Cap Opportunity Fund
Fund
S000009512 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
|
145,038 | ||
| 37.2 |
Royce Small-Cap Total Return Fund
Fund
S000009510 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
|
116,068 | ||
| 37.3 |
Royce Small-Cap Fund
Fund
S000009507 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
|
90,398 | ||
| 37.4 |
Royce SMid-Cap Total Return Fund
Fund
S000009522 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
|
4,111 | ||
| 38 |
VANGUARD EXPLORER FUND
Fund
S000002578 · Registered fund · Jul 31, 2026
VANGUARD EXPLORER FUND, not summed
|
727,000 | ||
| 39 |
Freestone Grove Partners LP
13F
CIK 2007591 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
723,354 | ||
| 40 |
Grantham, Mayo, Van Otterloo & Co. LLC
13F
CIK 1352662 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
693,095 | ||
| 41 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
656,124 | ||
| 42 |
MANUFACTURERS LIFE INSURANCE COMPANY, THE
13F
CIK 928047 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
639,438 | ||
| 42.1 |
Small Cap Core Fund
Fund
S000043450 · Registered fund · Jul 31, 2026
John Hancock Investment Trust, not summed
|
429,634 | ||
| 42.2 |
John Hancock Multifactor Small Cap ETF
Fund
S000059464 · Registered fund · Jun 30, 2026
John Hancock Exchange-Traded Fund Trust, not summed
|
39,241 | ||
| 43 |
Amundi
13F
CIK 1330387 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
607,749 | ||
| 44 |
Bank of New York Mellon Corp
13F
CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
600,767 | ||
| 44.1 |
BNY Mellon US Small Cap Core Equity ETF
Fund
S000067262 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
|
4,008 | ||
| 45 |
Alyeska Investment Group, L.P.
13F
CIK 1453072 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
599,679 | ||
| 46 |
DISCIPLINED GROWTH INVESTORS INC /MN
13F
CIK 1050442 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
592,096 | ||
| 46.1 |
Disciplined Growth Investors Fund
Fund
S000033265 · Registered fund · Apr 30, 2025
FINANCIAL INVESTORS TRUST, not summed
|
72,559 | ||
| 46.2 |
The Disciplined Growth Investors Fund
Fund
S000093392 · Registered fund · Jul 31, 2026
Elevation Series Trust, not summed
|
60,596 | ||
| 47 |
GENEVA CAPITAL MANAGEMENT LLC
13F
CIK 1009232 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
588,319 | ||
| 47.1 |
Nationwide Geneva Small Cap Growth Fund
Fund
S000041104 · Registered fund · Jul 31, 2026
Nationwide Mutual Funds, not summed
|
164,762 | ||
| 47.2 |
NVIT U.S. 130/30 Equity Fund
Fund
S000067312 · Registered fund · Jun 30, 2026
Nationwide Variable Insurance Trust, not summed
|
65,676 | ||
| 47.3 |
NVIT Mid Cap Index Fund
Fund
S000005410 · Registered fund · Jun 30, 2026
Nationwide Variable Insurance Trust, not summed
|
36,218 | ||
| 47.4 |
Nationwide Mid Cap Market Index Fund
Fund
S000004998 · Registered fund · Jul 31, 2026
Nationwide Mutual Funds, not summed
|
13,876 | ||
| 48 |
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 | ||
| 49 |
Hill City Capital, LP
13F
CIK 1837343 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
550,000 | ||
| 50 |
SEI INVESTMENTS CO
13F
CIK 350894 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
542,355 | ||
| 50.1 |
SIIT EXTENDED MARKET INDEX FUND
Fund
S000035814 · Registered fund · May 31, 2026
SEI INSTITUTIONAL INVESTMENTS TRUST, not summed
|
16,260 | ||
| 50.2 |
SIIT LARGE CAP INDEX FUND
Fund
S000006768 · Registered fund · May 31, 2026
SEI INSTITUTIONAL INVESTMENTS TRUST, not summed
|
3,200 | ||
| 50.3 |
New Covenant Growth Fund
Fund
S000024941 · Registered fund · Jun 30, 2026
NEW COVENANT FUNDS, not summed
|
1,134 | ||
| 50.4 |
Catholic Values Equity Fund
Fund
S000048320 · Registered fund · May 31, 2026
SEI CATHOLIC VALUES TRUST, not summed
|
956 | ||
| 50.5 |
AMT Diversified Equity Fund
Fund
S000073478 · Registered fund · Jul 31, 2026
ADVISER MANAGED TRUST, not summed
|
507 |
50 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.
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