Trex Institutional Ownership

Updated Oct 16, 2026

Trex Co Inc (NYSE:TREX) appeared in the 13F filings of 471 institutional investors for the quarter ended June 30, 2026.

• Total holdings of TREX shares rose 5.06% from Q1 2026, and the holder count rose 6.80% from Q2 2025.
• Of the 471 holders, 248 added to their positions, 145 reduced their stakes and 78 left their positions unchanged in Q2 2026.
• Altogether, institutional holders owned 111.68Mn TREX shares at the end of Q2 2026, up 5.38Mn from the prior quarter and down 548.87K from a year earlier.
• BlackRock, Inc. was the top holder of TREX as of June 30, 2026, with 10.49Mn shares.
• The largest position increases in TREX for Q2 2026 were by Millennium Management LLC (+3.28Mn shares), American Century Companies Inc (+1.63Mn shares), SG Americas Securities, LLC (+1.56Mn shares), Wellington Management Group LLP (+1.52Mn shares) and Citadel Advisors LLC (+895.5K shares).
• The largest position reductions in TREX for Q2 2026 were by Nuveen, LLC (-723.51K shares), Marshall Wace, LLP (-714.96K shares), D. E. Shaw & Co., Inc. (-714.51K shares), Balyasny Asset Management L.P. (-636.66K shares) and AQR Capital Management LLC (-613.15K shares).
• Per Business Quant data, the 10 largest holders of TREX at the end of Q2 2026 were BlackRock, Inc. (10.49Mn shares), Wellington Management Group LLP (9.88Mn shares), AllianceBernstein L.P. (6.04Mn shares), Vanguard Capital Management LLC (4.7Mn shares), Vanguard Portfolio Management LLC (4.44Mn shares), Millennium Management LLC (3.77Mn shares), Wasatch Advisors LP (3.76Mn shares), AQR Capital Management LLC (3.63Mn shares), American Century Companies Inc (3.31Mn shares) and State Street Corp (3.25Mn shares).