Who owns Trex Company, Inc.?
Institutional ownership of TREX from SEC Form 13F filings across 311 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
311
13F holders
$4.14B
value, 2026 filers
83.1%
of shares outstanding (86.4M sh)
61
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of TREX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 10.5M | $525.1M | 0.0% | 10.1% | +1.3% |
| 2 | WELLINGTON MANAGEMENT GROUP LLP | 9.9M | $494.3M | 0.1% | 9.5% | +18.2% |
| 3 | ALLIANCEBERNSTEIN L.P. | 6.0M | $219.9M | 0.1% | 5.8% | -6.1% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 4.7M | $235.2M | 0.0% | 4.5% | -50.5% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 4.4M | $222.4M | 0.0% | 4.3% | -0.9% |
| 6 | MILLENNIUM MANAGEMENT LLC | 3.8M | $188.8M | 0.1% | 3.6% | +659.2% |
| 7 | AMERICAN CENTURY COMPANIES INC | 3.3M | $165.6M | 0.1% | 3.2% | +97.4% |
| 8 | CITADEL ADVISORS LLC | 2.2M | $111.9M | 0.0% | 2.2% | +66.8% |
| 9 | Clearbridge Investments, LLC | 2.2M | $108.5M | 0.1% | 2.1% | +2.3% |
| 10 | MORGAN STANLEY | 2.1M | $105.8M | 0.0% | 2% | -1.3% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 1.9M | $96.5M | 0.0% | 1.9% | -2.4% |
| 12 | BANK OF AMERICA CORP /DE/ | 1.9M | $94.9M | 0.0% | 1.8% | -6.2% |
| 13 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.8M | $88.4M | 0.0% | 1.7% | +43.3% |
| 14 | SG Americas Securities, LLC | 1.7M | $84,021 | 0.0% | 1.6% | +1278.7% |
| 15 | GOLDMAN SACHS GROUP INC | 1.6M | $81.2M | 0.0% | 1.6% | +58.4% |
| 16 | Point72 Asset Management, L.P. | 1.5M | $76.1M | 0.1% | 1.5% | +11.2% |
| 17 | WESTWOOD HOLDINGS GROUP INC | 1.5M | $75.3M | 0.6% | 1.4% | -14.0% |
| 18 | TWO SIGMA INVESTMENTS, LP | 1.3M | $66.6M | 0.0% | 1.3% | -8.9% |
| 19 | FEDERATED HERMES, INC. | 1.3M | $66.5M | 0.1% | 1.3% | -10.5% |
| 20 | NORGES BANKNEW | 1.3M | $63.0M | 0.0% | 1.2% | new |
| 21 | Sixth Street Partners Management Company, L.P.NEW | 1.1M | $56.3M | 9.7% | 1.1% | new |
| 22 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.1M | $56.3M | 0.0% | 1.1% | +3.3% |
| 23 | Quantinno Capital Management LP | 981,547 | $49.1M | 0.1% | 0.9% | +372.5% |
| 24 | NORTHERN TRUST CORP | 879,059 | $44.0M | 0.0% | 0.8% | -0.8% |
| 25 | FMR LLC | 792,194 | $39.6M | 0.0% | 0.8% | -3.4% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.