TREX COMPANY INC (TREX) Institutional Ownership Changes & 13F Activity

TREX COMPANY INC (TREX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Disciplined Growth Investors, Renaissance Technologies LLC, Mairs & Power Growth Fund, Alapocas Investment Partners, and Sequoia Financial Advisors.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Disciplined Growth InvestorsSell-328,879678,357$24,705,762
Q1 2026Renaissance Technologies LLCSell-108,200169,300$6,165,906
Q1 2026Mairs & Power Growth FundBuy25,370116,022$4,225,521
Q1 2026Alapocas Investment PartnersSell-1,21095,688$3,484,957
Q1 2026Sequoia Financial AdvisorsSell-3228,564$311,901
Q4 2025Renaissance Technologies LLCSell-286,100277,500$9,734,700
Q4 2025Disciplined Growth InvestorsSell-28,3711,007,236$35,333,839
Q4 2025Mairs & Power Growth FundBuy27,31490,652$3,180,072
Q4 2025Alapocas Investment PartnersSell-9,21596,898$3,399,182
Q4 2025Sequoia Financial AdvisorsBuy4,5148,886$311,721
Q3 2025Renaissance Technologies LLCBuy68,600563,600$29,121,212
Q3 2025Mairs & Power Growth FundBuy63,33863,338$3,272,674
Q3 2025Disciplined Growth InvestorsSell-52,4241,035,607$53,509,814
Q3 2025Alapocas Investment PartnersSell-2,588106,113$5,482,859
Q3 2025Sequoia Financial AdvisorsBuy3734,372$225,902
Q2 2025Polen Capital ManagementSell-72,7815,961$324,159
Q2 2025Disciplined Growth InvestorsSell-6,3321,088,031$59,167,126
Q2 2025Alapocas Investment PartnersSell-6,176108,701$5,911,160
Q2 2025Sequoia Financial AdvisorsBuy3,9993,999$217,466
Q1 2025Disciplined Growth InvestorsBuy715,1261,094,363$63,582,490
Q1 2025Polen Capital ManagementBuy22,47478,742$4,574,935
Q1 2025Alapocas Investment PartnersSell-3,370114,877$6,674,354
Q4 2024Polen Capital ManagementBuy51,07956,268$3,884,186
Q4 2024Disciplined Growth InvestorsSell-34,064379,237$26,178,730
Q4 2024Alapocas Investment PartnersSell-1,440118,247$8,162,590
Q3 2024Renaissance Technologies LLCBuy232,248495,000$32,957,100
Q3 2024Disciplined Growth InvestorsBuy1,721413,301$27,517,581
Q3 2024Alapocas Investment PartnersBuy925119,687$7,968,760
Q3 2024Polen Capital ManagementSell-1905,189$345,484
Q2 2024Renaissance Technologies LLCSell-146,248262,752$19,475,178

Frequently asked questions about TREX activity

  • Which institutional owners are buying TREX?

    Institutional owners buying TREX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in TREX activity?

    "Buy" means an investor increased their reported position in TREX compared to the prior reporting period. This reflects growing exposure to TREX COMPANY INC (TREX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in TREX increasing?

    Institutional interest in TREX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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