TREX CO INC

TREXNYSE

$44.21+0.65 (+1.49%)as of Oct 5, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

TREX CO INC price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (-15.5%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	10.30%	$525M	0.01%	Not reported
Wellington Management Group LLP	9.70%	$494M	0.09%	Add 18.16%
Alliancebernstein L.P.	5.93%	$220M	0.07%	Not reported
Vanguard Capital Management LLC	4.62%	$235M	0.01%	Not reported
Vanguard Portfolio Management LLC	4.36%	$222M	0.01%	Not reported
Millennium Management LLC	3.70%	$189M	0.07%	Not reported
Wasatch Advisors LP	3.69%	$188M	1.23%	Add 6.23%
AQR Capital Management LLC	3.57%	$181M	0.06%	Not reported
American Century Companies Inc	3.25%	$166M	0.07%	Not reported
State Street Corp	3.19%	$162M	0.00%	Not reported
Citadel Advisors LLC	2.20%	$112M	0.01%	Not reported
Clearbridge Investments, LLC	2.13%	$109M	0.09%	Not reported
Morgan Stanley	2.07%	$106M	0.01%	Not reported
Geode Capital Management, LLC	1.89%	$96.5M	0.01%	Not reported
Bank of America Corp	1.86%	$94.9M	0.01%	Not reported
Arrowstreet Capital, Limited Partnership	1.73%	$88.4M	0.04%	Not reported
Dimensional Fund Advisors LP	1.68%	$85.7M	0.02%	Not reported
SG Americas Securities, LLC	1.65%	$84M	0.05%	Not reported
Goldman Sachs Group Inc	1.59%	$81.2M	0.01%	Not reported
Point72 Asset Management, L.P.	1.49%	$76.1M	0.08%	Not reported
Westwood Holdings Group Inc	1.48%	$75.3M	0.57%	Reduce 13.99%
Two Sigma Investments, LP	1.31%	$66.6M	0.05%	Not reported
Federated Hermes, Inc.	1.30%	$66.5M	0.10%	Not reported
Impax Asset Management Group plc	1.28%	$65.3M	0.42%	Reduce 26.16%
Norges Bank	1.24%	$63M	0.01%	Not reported
Charles Schwab Investment Management Inc	1.10%	$56.3M	0.01%	Not reported
Quantinno Capital Management LP	0.96%	$49.1M	0.06%	Add 372.47%
Northern Trust Corp	0.86%	$44M	0.01%	Not reported
Jacobs Levy Equity Management, Inc	0.86%	$43.8M	0.16%	Not reported
FMR LLC	0.78%	$39.6M	0.00%	Not reported
Royce & Associates LP	0.73%	$37.1M	0.30%	Not reported
Freestone Grove Partners LP	0.71%	$36.2M	0.23%	Reduce 41.83%
Grantham, Mayo, Van Otterloo & Co. LLC	0.68%	$34.7M	0.08%	Add 1.90%
Vanguard Fiduciary Trust Co	0.64%	$32.8M	0.01%	Not reported
Manufacturers Life Insurance Company, the	0.63%	$32M	0.03%	Not reported
Amundi	0.60%	$30.4M	0.01%	Not reported
Bank of New York Mellon Corp	0.59%	$30.1M	0.00%	Not reported
Alyeska Investment Group, L.P.	0.59%	$30M	0.08%	Not reported
Disciplined Growth Investors Inc	0.58%	$29.6M	0.50%	Reduce 12.72%
Geneva Capital Management LLC	0.58%	$29.4M	0.67%	Reduce 21.52%
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0.55%	$28.2M	0.01%	Not reported
Hill City Capital, LP	0.54%	$27.5M	0.64%	Not reported
Sei Investments Co	0.53%	$27.1M	0.02%	Not reported
Marshall Wace, LLP	0.51%	$26M	0.02%	Not reported
Hook Mill Capital Partners, LP	0.51%	$25.9M	2.41%	New Not reported
William Blair Investment Management, LLC	0.50%	$25.6M	0.08%	Reduce 20.96%
DAVENPORT & Co LLC	0.46%	$23.2M	0.11%	Reduce 7.90%
Heron Bay Capital Management	0.45%	$23M	2.09%	Reduce 1.21%
Principal Financial Group Inc	0.40%	$20.2M	0.01%	Not reported
Rivermont Capital Management LP	0.40%	$20.2M	2.86%	New Not reported

50 of 447 holders

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