TREX COMPANY INC (TREX) Institutional Shareholders
TREX COMPANY INC (TREX) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $5.46B in TREX holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of TREX tracked by InsiderSet, reporting ownership valued at approximately $525.08M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $455.51M, representing an estimated loss of -13.25% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 47% of the total disclosed TREX value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Wellington Management Group Llp, Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in TREX COMPANY INC (TREX).
This page ranks the largest institutional TREX shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
455
Total Reported Value
$5.46B
Largest Holder
Blackrock, Inc.
Largest Position
$525.08M
Insider Transactions (90d)
14
Latest Filing Quarter
Q2 2026
New Institutional Positions
72
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 10,493,216 | $525,080,527 | $455,510,507 | -$69,570,020 | -13.25% | |
| Wellington Management Group Llp | 0.09% | 9,877,116 | $494,250,886 | $428,765,606 | -$65,485,280 | -13.25% | |
| Vanguard Capital Management Llc | 0.01% | 4,701,079 | $235,241,993 | $204,073,839 | -$31,168,154 | -13.25% | |
| Vanguard Portfolio Management Llc | 0.01% | 4,444,799 | $222,417,742 | $192,948,725 | -$29,469,017 | -13.25% | |
| Alliancebernstein L.P. | 0.07% | 6,039,140 | $219,945,479 | $262,159,067 | +$42,213,588 | +19.19% | |
| Millennium Management Llc | 0.13% | 3,773,886 | $188,845,255 | $163,824,391 | -$25,020,864 | -13.25% | |
| Wasatch Advisors Lp | 1.23% | 3,757,238 | $188,012,190 | $163,101,702 | -$24,910,488 | -13.25% | |
| Aqr Capital Management Llc | 0.06% | 3,633,238 | $181,007,905 | $157,718,862 | -$23,289,043 | -12.87% | |
| American Century Companies Inc | 0.07% | 3,308,378 | $165,551,315 | $143,616,689 | -$21,934,626 | -13.25% | |
| State Street Corp | 0.00% | 3,247,388 | $162,499,296 | $140,969,113 | -$21,530,183 | -13.25% | |
| Citadel Advisors Llc | 0.06% | 2,236,735 | $111,926,219 | $97,096,666 | -$14,829,553 | -13.25% | |
| Clearbridge Investments, Llc | 0.09% | 2,168,849 | $108,529,198 | $94,149,735 | -$14,379,463 | -13.25% | |
| Morgan Stanley | 0.01% | 2,113,486 | $105,758,886 | $91,746,427 | -$14,012,459 | -13.25% | |
| Geode Capital Management, Llc | 0.01% | 1,928,184 | $96,512,183 | $83,702,467 | -$12,809,716 | -13.27% | |
| Bank Of America Corp | 0.01% | 1,895,509 | $94,851,270 | $82,284,046 | -$12,567,224 | -13.25% | |
| Arrowstreet Capital, Limited Partnership | 0.04% | 1,766,003 | $88,370,790 | $76,662,190 | -$11,708,600 | -13.25% | |
| Dimensional Fund Advisors Lp | 0.02% | 1,713,362 | $85,734,992 | $74,377,044 | -$11,357,948 | -13.25% | |
| Sg Americas Securities, Llc | 0.05% | 1,679,086 | $84,021,000 | $72,889,123 | -$11,131,877 | -13.25% | |
| Goldman Sachs Group Inc | 0.01% | 1,622,917 | $81,210,767 | $70,450,827 | -$10,759,940 | -13.25% | |
| Point72 Asset Management, L.P. | 0.12% | 1,520,782 | $76,099,931 | $66,017,147 | -$10,082,784 | -13.25% | |
| Westwood Holdings Group Inc | 0.57% | 1,504,036 | $75,261,961 | $65,290,203 | -$9,971,758 | -13.25% | |
| Two Sigma Investments, Lp | 0.05% | 1,331,721 | $66,639,319 | $57,810,009 | -$8,829,310 | -13.25% | |
| Federated Hermes, Inc. | 0.10% | 1,327,948 | $66,450,518 | $57,646,223 | -$8,804,295 | -13.25% | |
| Impax Asset Management Group Plc | 0.42% | 1,304,299 | $65,267,122 | $56,619,620 | -$8,647,502 | -13.25% | |
| Norges Bank | 0.01% | 1,258,986 | $62,999,659 | $54,652,582 | -$8,347,077 | -13.25% | |
| Charles Schwab Investment Management Inc | 0.01% | 1,124,192 | $56,254,568 | $48,801,175 | -$7,453,393 | -13.25% | |
| Quantinno Capital Management Lp | 0.06% | 981,547 | $49,116,656 | $42,608,955 | -$6,507,701 | -13.25% | |
| Northern Trust Corp | 0.01% | 879,059 | $43,988,112 | $38,159,951 | -$5,828,161 | -13.25% | |
| Jacobs Levy Equity Management, Inc | 0.16% | 875,234 | $43,796,709 | $37,993,908 | -$5,802,801 | -13.25% | |
| Fmr Llc | 0.00% | 792,194 | $39,641,401 | $34,389,142 | -$5,252,259 | -13.25% | |
| Royce & Associates Lp | 0.30% | 741,113 | $37,085,295 | $32,171,715 | -$4,913,580 | -13.25% | |
| Freestone Grove Partners Lp | 0.24% | 723,354 | $36,196,634 | $31,400,797 | -$4,795,837 | -13.25% | |
| Grantham, Mayo, Van Otterloo & Co. Llc | 0.08% | 693,095 | $34,682,474 | $30,087,254 | -$4,595,220 | -13.25% | |
| Vanguard Fiduciary Trust Co | 0.01% | 656,124 | $32,832,445 | $28,482,343 | -$4,350,102 | -13.25% | |
| Manufacturers Life Insurance Company, The | 0.02% | 639,438 | $31,997,478 | $27,758,004 | -$4,239,474 | -13.25% | |
| Bank Of New York Mellon Corp | 0.00% | 600,767 | $30,062,382 | $26,079,295 | -$3,983,087 | -13.25% | |
| Alyeska Investment Group, L.P. | 0.08% | 599,679 | $30,007,937 | $26,032,065 | -$3,975,872 | -13.25% | |
| Disciplined Growth Investors | Fred Martin | 0.50% | 592,096 | $29,628,484 | $25,702,887 | -$3,925,597 | -13.25% |
| Geneva Capital Management Llc | 0.67% | 588,319 | $29,439,481 | $25,538,928 | -$3,900,553 | -13.25% | |
| Hill City Capital, Lp | 0.64% | 550,000 | $27,522,000 | $23,875,500 | -$3,646,500 | -13.25% | |
| Sei Investments Co | 0.02% | 542,355 | $27,139,120 | $23,543,631 | -$3,595,489 | -13.25% | |
| Marshall Wace, Llp | 0.02% | 520,095 | $26,025,554 | $22,577,324 | -$3,448,230 | -13.25% | |
| Hook Mill Capital Partners, Lp | 2.41% | 518,584 | $25,949,943 | $22,511,731 | -$3,438,212 | -13.25% | |
| William Blair Investment Management, Llc | 0.08% | 511,527 | $25,596,811 | $22,205,387 | -$3,391,424 | -13.25% | |
| Davenport & Co Llc | 0.12% | 467,280 | $23,220,053 | $20,284,625 | -$2,935,428 | -12.64% | |
| Heron Bay Capital Management | 2.09% | 460,237 | $23,030,259 | $19,978,888 | -$3,051,371 | -13.25% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 585,891 | $21,338,150 | $25,433,528 | +$4,095,378 | +19.19% | |
| Principal Financial Group Inc | 0.01% | 403,849 | $20,208,604 | $17,531,085 | -$2,677,519 | -13.25% | |
| Rivermont Capital Management Lp | 2.86% | 403,273 | $20,179,781 | $17,506,081 | -$2,673,700 | -13.25% | |
| Junto Capital Management Lp | 0.37% | 401,159 | $20,073,996 | $17,414,312 | -$2,659,684 | -13.25% |
Frequently asked questions about TREX
Who owns the most TREX stock?
The largest holders of TREX are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for TREX COMPANY INC (TREX).
Is TREX widely held by superinvestors?
Many widely followed stocks like TREX appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly TREX is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.