| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 9.8% | $578,477,144 | 10,513,943 | BlackRock, Inc. | 31 Mar 2025 | |||
| ALLIANCEBERNSTEIN L.P. | 7.5% | -26% | $442,516,066 | -$152,763,250 | 8,042,822 | -26% | AllianceBernstein L.P. | 31 Mar 2025 |
| WASATCH ADVISORS LP | 4.8% | -8% | $329,133,332 | -$25,624,362 | 5,185,652 | -7.2% | WASATCH ADVISORS LP | 30 Jun 2025 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 0.7% | -87% | $38,273,571 | -$338,982,223 | 740,731 | -90% | T. Rowe Price Associates, Inc. | 30 Sep 2025 |
As of 30 Sep 2025, 457 institutional investors reported holding 110,316,743 shares of TREX CO INC - COMMON STOCK (TREX). This represents 104% of the company’s total 105,818,714 outstanding shares.
The largest institutional shareholders of TREX CO INC - COMMON STOCK (TREX) together control 68% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9.7% | 10,215,598 | -16% | 0.01% | $527,839,948 |
| VANGUARD GROUP INC | 9.4% | 9,959,834 | -0.94% | 0.01% | $514,624,623 |
| ALLIANCEBERNSTEIN L.P. | 7.1% | 7,543,925 | +1.9% | 0.12% | $389,794,605 |
| WASATCH ADVISORS LP | 4.9% | 5,165,437 | -0.39% | 1.4% | $266,898,130 |
| STATE STREET CORP | 3% | 3,185,053 | -0.94% | 0.01% | $164,571,689 |
| Clearbridge Investments, LLC | 2.5% | 2,636,366 | -11% | 0.1% | $136,221,017 |
| NEUBERGER BERMAN GROUP LLC | 2.4% | 2,549,652 | +39% | 0.1% | $131,740,519 |
| Anomaly Capital Management, LP | 2.2% | 2,307,739 | +17% | 3.5% | $119,240,874 |
| AMERICAN CENTURY COMPANIES INC | 2.1% | 2,191,472 | +2.5% | 0.06% | $113,233,437 |
| WELLINGTON MANAGEMENT GROUP LLP | 1.9% | 1,974,096 | +87% | 0.02% | $102,001,540 |
| Impax Asset Management Group plc | 1.8% | 1,934,581 | +93% | 0.58% | $99,354,073 |
| Conestoga Capital Advisors, LLC | 1.8% | 1,894,949 | -5.1% | 1.6% | $97,912,015 |
| Madison Asset Management, LLC | 1.8% | 1,893,081 | +1.2% | 1.1% | $97,815,488 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.8% | 1,888,371 | +2% | 0.01% | $97,590,786 |
| GENEVA CAPITAL MANAGEMENT LLC | 1.6% | 1,723,945 | +0.08% | 1.5% | $89,076,253 |
| DIMENSIONAL FUND ADVISORS LP | 1.6% | 1,674,288 | +2.4% | 0.02% | $86,506,669 |
| MACQUARIE GROUP LTD | 1.6% | 1,652,402 | +5.6% | 0.1% | $85,380,000 |
| MORGAN STANLEY | 1.5% | 1,600,231 | +3.9% | 0.01% | $82,684,011 |
| AQR CAPITAL MANAGEMENT LLC | 1.5% | 1,598,001 | +17552% | 0.05% | $81,498,051 |
| BAMCO INC /NY/ | 1.5% | 1,589,735 | +0.71% | 0.22% | $82,141,607 |
| BANK OF AMERICA CORP /DE/ | 1.4% | 1,533,885 | +18% | 0.01% | $79,255,839 |
| FEDERATED HERMES, INC. | 1.4% | 1,469,878 | +91% | 0.13% | $75,948,596 |
| Liontrust Investment Partners LLP | 1.3% | 1,332,051 | -5.2% | 1% | $68,827,075 |
| FMR LLC | 1.2% | 1,227,540 | +0.1% | 0% | $63,427,006 |
| MILLENNIUM MANAGEMENT LLC | 1% | 1,108,332 | +26% | 0.05% | $57,267,514 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 1,519,687 | $53,795,903 | -$16,153,892 | $35.08 | 42 |
| 2025 Q3 | 110,316,743 | $5,697,867,278 | -$224,571,992 | $51.67 | 457 |
| 2025 Q2 | 114,230,433 | $6,211,132,783 | -$62,514,808 | $54.38 | 442 |
| 2025 Q1 | 115,147,541 | $6,688,285,500 | +$376,982,561 | $58.10 | 434 |
| 2024 Q4 | 108,084,309 | $7,460,704,365 | +$496,671,188 | $69.03 | 459 |
| 2024 Q3 | 101,111,853 | $6,742,548,802 | -$159,388,840 | $66.58 | 485 |
| 2024 Q2 | 103,088,390 | $7,640,679,978 | +$135,899,751 | $74.12 | 513 |
| 2024 Q1 | 100,435,357 | $10,014,056,768 | -$269,873,434 | $99.75 | 516 |
| 2023 Q4 | 704,449 | $58,606,880 | +$11,565,733 | $82.79 | 4 |
| 2023 Q3 | 103,586,427 | $6,382,712,042 | -$25,568,295 | $61.63 | 468 |
| 2023 Q2 | 104,550,799 | $6,854,046,850 | +$70,833,790 | $65.56 | 440 |
| 2023 Q1 | 104,053,137 | $5,063,871,587 | +$36,005,633 | $48.67 | 412 |
| 2022 Q4 | 103,157,238 | $4,369,888,124 | -$658,540 | $42.33 | 431 |
| 2022 Q3 | 98,775,851 | $4,341,140,428 | -$182,360,519 | $43.94 | 412 |
| 2022 Q2 | 108,129,705 | $5,873,228,957 | +$72,892,234 | $54.42 | 443 |
| 2022 Q1 | 108,233,350 | $7,079,910,488 | +$35,660,071 | $65.33 | 458 |
| 2021 Q4 | 106,555,519 | $14,380,003,803 | -$303,593,173 | $135.03 | 537 |
| 2021 Q3 | 108,320,124 | $11,044,772,312 | -$45,699,217 | $101.93 | 472 |
| 2021 Q2 | 108,756,614 | $11,119,193,178 | +$104,600,680 | $102.21 | 467 |
| 2021 Q1 | 109,763,303 | $10,052,251,519 | -$256,161,545 | $91.54 | 461 |
| 2020 Q4 | 113,429,514 | $9,500,602,053 | -$182,194,016 | $83.72 | 452 |
| 2020 Q3 | 113,689,016 | $8,136,782,410 | +$3,991,954,613 | $71.60 | 389 |
| 2020 Q2 | 58,178,215 | $7,566,525,920 | -$409,301,608 | $130.07 | 378 |
| 2020 Q1 | 61,040,734 | $4,888,356,555 | -$69,519,555 | $80.14 | 332 |
| 2019 Q4 | 61,277,076 | $5,510,063,920 | -$24,309,805 | $89.88 | 330 |
| 2019 Q3 | 60,716,684 | $5,520,883,778 | -$87,724,418 | $90.93 | 311 |
| 2019 Q2 | 62,251,242 | $4,461,702,541 | +$505,374,367 | $71.70 | 290 |
| 2019 Q1 | 57,027,606 | $3,509,380,646 | +$104,899,020 | $61.52 | 313 |
| 2018 Q4 | 55,155,385 | $3,274,196,659 | +$99,329,793 | $59.36 | 289 |
| 2018 Q3 | 53,179,674 | $4,092,413,938 | +$27,597 | $76.98 | 306 |
| 2018 Q2 | 53,268,656 | $3,334,699,369 | +$1,658,431,240 | $62.59 | 267 |
| 2018 Q1 | 26,535,317 | $2,884,300,990 | -$29,031,978 | $108.77 | 268 |
| 2017 Q4 | 26,828,574 | $2,908,170,853 | -$40,615,187 | $108.39 | 277 |
| 2017 Q3 | 26,571,154 | $2,390,105,422 | -$47,570,640 | $90.07 | 220 |
| 2017 Q2 | 27,036,144 | $1,829,430,097 | +$69,379,027 | $67.66 | 216 |
| 2017 Q1 | 26,600,036 | $1,845,830,023 | +$203,446,643 | $69.39 | 211 |
| 2016 Q4 | 27,786,431 | $1,789,604,273 | -$14,602,214 | $64.40 | 223 |
| 2016 Q3 | 27,950,332 | $1,640,698,280 | -$53,739,885 | $58.72 | 213 |
| 2016 Q2 | 28,934,369 | $1,299,615,793 | -$92,262,986 | $44.92 | 176 |
| 2016 Q1 | 30,801,573 | $1,475,777,122 | -$6,490,696 | $47.93 | 181 |
| 2015 Q4 | 31,789,918 | $1,209,347,511 | +$43,251,198 | $38.04 | 157 |
| 2015 Q3 | 30,369,203 | $1,012,194,609 | -$47,314,167 | $33.33 | 158 |
| 2015 Q2 | 28,327,525 | $1,400,205,549 | -$21,477,032 | $49.43 | 162 |
| 2015 Q1 | 28,767,306 | $1,564,733,905 | -$24,692,786 | $54.53 | 160 |
| 2014 Q4 | 29,641,923 | $1,262,252,493 | -$61,590,697 | $42.58 | 144 |
| 2014 Q3 | 33,849,972 | $1,170,193,703 | -$31,192,473 | $34.57 | 134 |
| 2014 Q2 | 34,961,819 | $1,007,393,807 | +$505,497,721 | $28.82 | 140 |
| 2014 Q1 | 16,377,637 | $1,198,662,465 | +$85,792,440 | $73.16 | 142 |