Trex Company, Inc. (TREX) Ownership
TREX ownership summary
as of October 18, 2026- Institutions
- 110.1% of shares outstanding
- Insiders
- 0.88% of shares outstanding
- Shares outstanding
- 101.9M
- Float
- 95.6M shares available to trade
- Short interest
- 10.34% 10.5M shares short
- Days to cover
- 6.56 short interest down 0.2% vs prior month
- Institutions 110.07%
- Insiders 0.88%
TREX top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 10.30% | 10.5M | $479.9M | +132,057 (+1.3%) | June 30, 2026 |
| 2 | Wellington Management Company LLP | 9.70% | 9.9M | $451.7M | +1.5M (+18.2%) | June 30, 2026 |
| 3 | AllianceBernstein L.P. | 5.93% | 6.0M | $276.2M | −391,838 (−6.1%) | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 4.62% | 4.7M | $215.0M | −47,333 (−1.0%) | June 30, 2026 |
| 5 | Vanguard Portfolio Management, LLC | 4.36% | 4.4M | $203.3M | −39,896 (−0.9%) | June 30, 2026 |
| 6 | Millennium Management LLC | 3.70% | 3.8M | $172.6M | +3.3M (+659.2%) | June 30, 2026 |
| 7 | Wasatch Advisors LP | 3.69% | 3.8M | $171.8M | +220,488 (+6.2%) | June 30, 2026 |
| 8 | AQR Capital Management LLC | 3.57% | 3.6M | $166.1M | −613,146 (−14.4%) | June 30, 2026 |
| 9 | American Century Companies Inc | 3.25% | 3.3M | $151.3M | +1.6M (+97.4%) | June 30, 2026 |
| 10 | State Street Corp | 3.19% | 3.2M | $148.5M | −2,723 (−0.1%) | June 30, 2026 |
| 11 | Citadel Advisors Llc | 2.20% | 2.2M | $102.3M | +895,496 (+66.8%) | June 30, 2026 |
| 12 | ClearBridge Advisors, LLC | 2.13% | 2.2M | $99.2M | +47,728 (+2.3%) | June 30, 2026 |
| 13 | Morgan Stanley - Brokerage Accounts | 2.07% | 2.1M | $96.6M | −26,764 (−1.3%) | June 30, 2026 |
| 14 | Geode Capital Management, LLC | 1.89% | 1.9M | $88.2M | −47,496 (−2.4%) | June 30, 2026 |
| 15 | Bank of America Corp | 1.86% | 1.9M | $86.7M | −124,890 (−6.2%) | June 30, 2026 |
| 16 | Arrowstreet Capital Limited Partnership | 1.73% | 1.8M | $80.8M | +533,939 (+43.3%) | June 30, 2026 |
| 17 | Dimensional Fund Advisors, Inc. | 1.68% | 1.7M | $78.4M | +12,813 (+0.8%) | June 30, 2026 |
| 18 | SG Americas Securities, LLC | 1.65% | 1.7M | $76.8M | +1.6M (+1,278.7%) | June 30, 2026 |
| 19 | The Goldman Sachs Group Inc | 1.59% | 1.6M | $74.2M | +598,435 (+58.4%) | June 30, 2026 |
| 20 | Point72 Asset Management, L.P. | 1.49% | 1.5M | $69.5M | +153,353 (+11.2%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 10.6M shares and 8 cut 1.3M.
TREX top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Mid-Cap ETF | 3.56% | 3.6M | $166.0M | −1,296 (−0.0%) | September 30, 2026 |
| 2 | Avantis US Small Cap Value ETF | 3.45% | 3.5M | $160.8M | — | September 30, 2026 |
| 3 | Vanguard MStar Total Stk Mkt Idx Invest | 3.25% | 3.3M | $151.2M | −4,360 (−0.1%) | August 31, 2026 |
| 4 | AllianceBernstein US L/C Growth Eqty MF | 3.22% | 3.3M | $149.8M | −350,230 (−9.7%) | June 30, 2026 |
| 5 | Vanguard Small Cap Index | 2.25% | 2.3M | $104.9M | −97,260 (−4.1%) | September 30, 2026 |
| 6 | Vanguard MStar Small Cap Growth Indx Inv | 1.25% | 1.3M | $58.4M | −96,384 (−7.0%) | September 30, 2026 |
| 7 | American Century Small Cap Growth Inv | 0.98% | 995K | $45.5M | −12,291 (−1.2%) | September 30, 2026 |
| 8 | FullerThaler Behavioral Sm-Cp Gr R6 | 0.95% | 970K | $44.4M | +970,100 (0.0%) | March 31, 2026 |
| 9 | Wasatch Core Growth | 0.95% | 966K | $44.2M | +191,578 (+24.7%) | June 30, 2026 |
| 10 | State Street® SPDR® S&P MIDCAP 400® ETF | 0.74% | 753K | $34.4M | −6,644 (−0.9%) | September 30, 2026 |
| 11 | Vanguard Explorer Inv | 0.71% | 727K | $33.2M | — | June 30, 2026 |
| 12 | Touchstone Small Company A | 0.57% | 579K | $26.5M | +579,401 (0.0%) | September 30, 2026 |
| 13 | Xtrackers S&P 500 Swap ETF 1C | 0.57% | 579K | $26.5M | +578,950 (0.0%) | December 31, 2025 |
| 14 | GMO Small Cap Quality Fund Class VI | 0.57% | 576K | $26.3M | +3,320 (+0.6%) | August 31, 2026 |
| 15 | iShares US Home Construction ETF | 0.53% | 545K | $24.9M | −9,090 (−1.6%) | September 30, 2026 |
| 16 | State Street SPDR Port S&P 400 Md CpETF | 0.53% | 539K | $24.6M | −760 (−0.1%) | September 30, 2026 |
| 17 | BNP Paribas Climate Change Privl C | 0.53% | 537K | $24.6M | −6,211 (−1.1%) | August 31, 2026 |
| 18 | Schwab US Small-Cap ETF™ | 0.53% | 536K | $24.5M | +360 (+0.1%) | September 30, 2026 |
| 19 | iShares S&P Mid-Cap 400 Value ETF | 0.52% | 525K | $24.0M | — | September 30, 2026 |
| 20 | JHancock Small Cap Core NAV | 0.50% | 513K | $23.5M | +83,680 (+19.5%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
TREX insider transactions
latest 6| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-11-14 | Prithvi Gandhi | Buy | $31.92 | 15,000 | $478,800 |
| 2025-10-10 | Jacob T Rudolph | Buy | $43.92 | 59 | $2,591 |
| 2025-08-06 | Amy M Fernandez | Sell | $64.18 | 1,538 | $98,709 |
| 2025-07-03 | Jacob T Rudolph | Buy | $46.22 | 66 | $3,051 |
| 2025-05-15 | Jacob T Rudolph | Sell | $60.27 | 1,500 | $90,405 |
| 2025-05-12 | Amy M Fernandez | Sell | $61.17 | 2,366 | $144,728 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
TREX shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns TREX
Institutional investors own 110.1% of Trex's shares and insiders 0.88%. The largest holder is BlackRock Inc with 10.30% of the shares (10.5M), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 8 reduced their stake in the latest filings. Short interest is 10.34% of the float, or 6.56 days of average trading volume. The share count fell 17.0% since 2014.
Related: TREX analyst forecast, TREX key metrics. See the TREX stock overview for the latest quote and news.
TREX ownership FAQ
Who owns the most Trex stock?
The largest shareholders of Trex are BlackRock Inc (10.30%), Wellington Management Company LLP (9.70%), AllianceBernstein L.P. (5.93%), Vanguard Capital Management, LLC (4.62%), Vanguard Portfolio Management, LLC (4.36%).
What percentage of Trex is owned by institutions?
Institutions hold 110.1% of Trex's shares outstanding; insiders hold 0.88%.
Which funds own Trex?
The largest fund holders of Trex are iShares Core S&P Mid-Cap ETF (3.56%), Avantis US Small Cap Value ETF (3.45%), Vanguard MStar Total Stk Mkt Idx Invest (3.25%), AllianceBernstein US L/C Growth Eqty MF (3.22%), Vanguard Small Cap Index (2.25%).
What is Trex's short interest?
10.5M shares of Trex were sold short, 10.34% of the float; at the average daily volume it would take 6.56 days to cover.
Are insiders buying or selling Trex?
Of the latest 6 reported insider transactions in Trex (since May 12, 2025), 3 were purchases and 3 were sales.
How many shares of Trex are outstanding?
Trex has 101.9M shares outstanding, of which 95.6M are in the public float.