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Equibles

TREX

Trex Co Inc

Company with tickers: TREX

CIK
1069878
CUSIP
89531P105
Shares Outstanding
103,898,729
13F Activity (30d)
30 filings 17 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 422
Total Value: $3,943,934,648
Total Shares: 108,290,361
Showing 1–100 of 438 holdings by value · page 1 of 5

Institutional Ownership Trend

25 quarters

Superinvestors Holding TREX

All superinvestors →
Joel Greenblatt $6,213,179 Mario Gabelli $5,316,045

Holder Concentration

Across 422 13F filers · Δ vs Dec 31, 2025
Top Holder
10.1%
Jun 2023 → Mar 2026 · range 9.9% – 15.1%
+0.2 pts
Top 5
33.2%
Jun 2023 → Mar 2026 · range 33.2% – 40.4%
−2.8 pts
Top 10
46.0%
Jun 2023 → Mar 2026 · range 46.0% – 50.9%
−2.7 pts
HHI
327
Jun 2023 → Mar 2026 · range 327 – 454
Broadly held−36

Quarterly Activity

vs Dec 31, 2025
New
65
Increased
160
Decreased
127
Sold Out
75
Unchanged
70
Holder count: -10
Institutional value: +0.8%
Shares held: -2.9%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega WELLINGTON MANAGEMENT GROUP LLP +1,133,385 8,358,778
Large MARSHALL WACE, LLP +1,096,799 1,235,056
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP +1,047,328 1,232,064
Large Balyasny Asset Management L.P. +561,901 776,254
Mega TWO SIGMA INVESTMENTS, LP +485,813 1,462,425

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega ALLIANCEBERNSTEIN L.P. −6,575,978 6,430,978
Mega D. E. Shaw & Co., Inc. −872,361 899,299
Mega PRINCIPAL FINANCIAL GROUP INC −858,785 239,404
Mega MILLENNIUM MANAGEMENT LLC −710,461 497,084
Mega CITADEL ADVISORS LLC −565,379 1,457,639

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 10,317,237 $375,753,771
Large WESTWOOD HOLDINGS GROUP INC 1,748,611 $63,684,412
Large FULLER & THALER ASSET MANAGEMENT, INC. 1,474,843 $53,713,782
Mega VANGUARD FIDUCIARY TRUST CO 665,164 $24,225,272
Large WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 647,178 $23,570,222

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 9,820,336 $344,497,384
Mega NORGES BANK 1,793,154 $62,903,842
Large TWO SIGMA ADVISERS, LP 574,500 $20,153,460
Mid Long Pond Capital, LP 484,286 $16,988,752
Large TORONTO DOMINION BANK 400,343 $14,044,031
Filter: New 65 Increased 160 Reduced 127 Sold out 75 Unchanged 70
Showing 100 of 438
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $377,353,401 9.57% 10,361,159
Mega WELLINGTON MANAGEMENT GROUP LLP $304,426,690 7.72% 8,358,778
Mega ALLIANCEBERNSTEIN L.P. $234,216,218 5.94% 6,430,978
Mega VANGUARD CAPITAL MANAGEMENT LLC $202,816,606 5.14% 5,568,825
Mega VANGUARD CAPITAL MANAGEMENT LLC $172,937,165 4.38% 4,748,412
Mega AQR CAPITAL MANAGEMENT LLC $154,653,300 3.92% 4,246,384
Large WASATCH ADVISORS LP $128,808,435 3.27% 3,536,750
Mega STATE STREET CORP $118,369,042 3.00% 3,250,111
Mega MORGAN STANLEY $77,947,898 1.98% 2,140,250
Mega Clearbridge Investments, LLC $77,251,226 1.96% 2,121,121
Mega BANK OF AMERICA CORP /DE/ Bank $73,582,928 1.87% 2,020,399
Mega GEODE CAPITAL MANAGEMENT, LLC $71,954,265 1.82% 1,975,680
Large Impax Asset Management Group plc $64,331,122 1.63% 1,766,368
Large WESTWOOD HOLDINGS GROUP INC $63,684,412 1.61% 1,748,611
Mega DIMENSIONAL FUND ADVISORS LP $61,933,992 1.57% 1,700,549
Mega AMERICAN CENTURY COMPANIES INC $61,040,466 1.55% 1,676,015
Large FEDERATED HERMES, INC. $54,059,842 1.37% 1,484,345
Large FULLER & THALER ASSET MANAGEMENT, INC. $53,713,782 1.36% 1,474,843
Mega TWO SIGMA INVESTMENTS, LP $53,261,518 1.35% 1,462,425
Large Point72 Asset Management, L.P. $49,801,764 1.26% 1,367,429
Mega CITADEL ADVISORS LLC $48,847,923 1.24% 1,341,239
Large JACOBS LEVY EQUITY MANAGEMENT, INC $46,229,872 1.17% 1,269,354
Large Freestone Grove Partners LP $45,292,458 1.15% 1,243,615
Large MARSHALL WACE, LLP $44,980,738 1.14% 1,235,056
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $44,871,770 1.14% 1,232,064
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $39,630,168 1.00% 1,088,143
Mega GOLDMAN SACHS GROUP INC $37,311,632 0.95% 1,024,482
Large Woodline Partners LP $35,544,390 0.90% 975,958
Mega Nuveen, LLC $34,215,022 0.87% 939,457
Mega D. E. Shaw & Co., Inc. $32,512,096 0.82% 892,699
Mega NORTHERN TRUST CORP Bank $32,270,521 0.82% 886,066
Mega FMR LLC $29,877,474 0.76% 820,359
Large Balyasny Asset Management L.P. $28,271,170 0.72% 776,254
Mid GENEVA CAPITAL MANAGEMENT LLC $27,302,544 0.69% 749,658
Mega DEUTSCHE BANK AG\ Bank $27,225,986 0.69% 747,556
Mega Amundi $26,191,588 0.66% 719,154
Large Grantham, Mayo, Van Otterloo & Co. LLC $24,771,172 0.63% 680,153
Mid DISCIPLINED GROWTH INVESTORS INC /MN $24,705,761 0.63% 678,357
Mega VANGUARD FIDUCIARY TRUST CO Bank $24,225,272 0.61% 665,164
Mega Bank of New York Mellon Corp Bank $23,653,254 0.60% 649,458
Large WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC $23,570,222 0.60% 647,178
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $23,339,028 0.59% 640,830
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $21,338,147 0.54% 585,891
Mid Hill City Capital, LP $20,031,000 0.51% 550,000
Large SEI INVESTMENTS CO $19,940,896 0.51% 547,526
Mid ROYCE & ASSOCIATES LP $19,151,675 0.49% 525,856
Large Squarepoint Ops LLC $18,595,323 0.47% 510,580
Large DAVENPORT & Co LLC $18,477,687 0.47% 507,350
Mega MILLENNIUM MANAGEMENT LLC $18,103,799 0.46% 497,084
Mid Heron Bay Capital Management $16,966,803 0.43% 465,865
Large BANK OF NOVA SCOTIA Bank $15,564,487 0.39% 427,361
Mid CONFLUENCE INVESTMENT MANAGEMENT LLC $14,227,144 0.36% 390,641
Mega UBS Group AG $13,769,125 0.35% 378,065
Mega WELLS FARGO & COMPANY/MN $13,116,625 0.33% 360,149
Mega CITIGROUP INC $12,500,473 0.32% 343,231
Mega RAYMOND JAMES FINANCIAL INC $12,050,065 0.31% 330,864
Large Russell Investments Group, Ltd. $11,450,407 0.29% 314,399
Mega RHUMBLINE ADVISERS $10,729,259 0.27% 294,598
Large LOOMIS SAYLES & CO L P $10,664,904 0.27% 292,831
Large Man Group plc $10,539,000 0.27% 289,374
Mega Invesco Ltd. $10,149,886 0.26% 278,690
Mega JANE STREET GROUP, LLC $9,849,642 0.25% 270,446
Large Walleye Capital LLC $9,313,103 0.24% 255,714
Mid Voleon Capital Management LP $8,857,890 0.22% 243,215
Mega PRINCIPAL FINANCIAL GROUP INC $8,719,092 0.22% 239,404
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $8,351,106 0.21% 229,300
Large Creative Planning $7,909,950 0.20% 217,187
Mega Swiss National Bank Bank $7,731,966 0.20% 212,300
Mid OSBORNE PARTNERS CAPITAL MANAGEMENT, LLC $7,580,313 0.19% 208,136
Large Quantinno Capital Management LP $7,566,218 0.19% 207,749
Mega JANE STREET GROUP, LLC $7,138,320 0.18% 196,000
Mega JPMORGAN CHASE & CO $7,135,949 0.18% 195,935
Large Mariner, LLC $6,692,794 0.17% 183,767
Mega FIRST TRUST ADVISORS LP $6,626,837 0.17% 181,956
Large Gotham Asset Management, LLC $6,213,179 0.16% 170,598
Mid OSSIAM $6,169,730 0.16% 169,405
Large RENAISSANCE TECHNOLOGIES LLC $6,165,906 0.16% 169,300
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $5,816,274 0.15% 159,700
Mega HSBC HOLDINGS PLC $5,662,070 0.14% 155,466
Mega California Public Employees Retirement System Pension $5,529,175 0.14% 151,817
Large Lansforsakringar Fondforvaltning AB (publ) $5,407,787 0.14% 148,484
Mega BARCLAYS PLC $5,388,119 0.14% 147,944
Mid GAMCO INVESTORS, INC. ET AL $5,316,045 0.13% 145,965
Mega AMERIPRISE FINANCIAL INC $5,274,088 0.13% 144,813
Large CWM, LLC $5,126,843 0.13% 140,770
Mega Legal & General Group Plc $5,110,271 0.13% 140,315
Mid EFG International AG $4,916,007 0.12% 134,981
Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. $4,874,744 0.12% 133,848
Large Ensign Peak Advisors, Inc $4,869,936 0.12% 133,716
Large Retirement Systems of Alabama Pension $4,788,865 0.12% 131,490
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $4,709,870 0.12% 129,321
Mega LPL Financial LLC $4,609,606 0.12% 126,568
Large Trexquant Investment LP $4,603,269 0.12% 126,394
Mega ROYAL BANK OF CANADA Bank $4,561,640 0.12% 125,251
Small H Squared Management LP $4,523,364 0.11% 124,200
Micro Alpine Peaks Capital, LP $4,455,586 0.11% 122,339
Large SG Americas Securities, LLC Broker-Dealer $4,435,373 0.11% 121,784
Large AGF MANAGEMENT LTD $4,408,094 0.11% 121,035
Large CAPITAL FUND MANAGEMENT S.A. $4,407,876 0.11% 121,029
Large HRT FINANCIAL LP $4,388,318 0.11% 120,492

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