TREX CO INC TREX
COM · Common Stock · CUSIP 89531P105 · ISIN US89531P1057
American building materials company
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($7.2m this quarter). Holder counts are more reliable. Shares outstanding: 108.8m as of 2023-02-06, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $42.37. Options: 11 managers hold calls ($6.9m notional), 12 hold puts ($33.7m).
Trends to Q4 2022
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 447 |
| Q4 2022 | 456 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $8.4m | $15.0m | 1.79 |
| Q4 2022 | $6.9m | $33.7m | 4.88 |
Biggest buyers
| BlackRock Inc. | Added | +1.4m |
| Liontrust Investment Partners LLP | Added | +1.1m |
| Allspring Global Investments Holdings, LLC | Added | +815.5k |
| MILLENNIUM MANAGEMENT LLC | Added | +710.6k |
| LONDON CO OF VIRGINIA | New | +704.5k |
| WASATCH ADVISORS LP | Added | +687.9k |
| CITADEL ADVISORS LLC | Added | +590.0k |
| Epoch Investment Partners, Inc. | Added | +579.1k |
| D. E. Shaw & Co., Inc. | Added | +567.7k |
| AMERICAN CENTURY COMPANIES INC | Added | +532.5k |
Biggest sellers
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | -4.7m |
| ALLIANCEBERNSTEIN L.P. | Reduced | -4.1m |
| BANK OF AMERICA CORP /DE/ | Reduced | -939.6k |
| Handelsbanken Fonder AB | Reduced | -446.8k |
| Aberdeen Group plc | Reduced | -318.0k |
| STIFEL FINANCIAL CORP | Reduced | -252.8k |
| BLAIR WILLIAM & CO/IL | Reduced | -238.8k |
| Schonfeld Strategic Advisors LLC | Reduced | -172.2k |
| LPL Financial LLC | Reduced | -143.0k |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | -142.8k |
Biggest calls
| CITADEL ADVISORS LLC | Reduced | $2.4m57.5k shares |
| JANE STREET GROUP, LLC | Reduced | $1.1m25.7k shares |
| CAPITAL FUND MANAGEMENT S.A. | Added | $914.3k21.6k shares |
| Hudson Bay Capital Management LP | New | $635.0k15.0k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $588.4k13.9k shares |
| Walleye Trading LLC | Added | $347.1k8.2k shares |
| SIMPLEX TRADING, LLC | Reduced | $266.0k6.3k shares |
| WOLVERINE TRADING, LLC | Added | $237.0k5.6k shares |
| TWO SIGMA SECURITIES, LLC | Reduced | $220.1k5.2k shares |
| GROUP ONE TRADING LLC | Added | $182.0k4.3k shares |
Biggest puts
| CITADEL ADVISORS LLC | Added | $13.7m324.7k shares |
| JANE STREET GROUP, LLC | Added | $12.4m292.9k shares |
| GOLDMAN SACHS GROUP INC | Added | $4.2m100.0k shares |
| CAPITAL FUND MANAGEMENT S.A. | New | $948.2k22.4k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $897.4k21.2k shares |
| WOLVERINE TRADING, LLC | Reduced | $444.0k10.5k shares |
| Walleye Trading LLC | Added | $423.3k10.0k shares |
| SIMPLEX TRADING, LLC | Reduced | $279.0k6.6k shares |
| TUDOR INVESTMENT CORP ET AL | New | $245.0k5.8k shares |
| GROUP ONE TRADING LLC | Reduced | $110.1k2.6k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution filed 2025-04-24 | 9.8% |
| WELLINGTON MANAGEMENT GROUP LLP 13G · institution -0.9 pts · filed 2026-08-13 | 9.5% |
| MILLENNIUM MANAGEMENT LLC 13G · passive investor new · filed 2026-08-07 | 5.5% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 5.4% |
Fell to 5% or below in the last year: ALLIANCEBERNSTEIN L.P. (0.2%, 2026-09-04), VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC), PRICE T ROWE ASSOCIATES INC /MD/ (0.7%, 2025-11-14)
Insider purchases and sales in Q4 2022
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q1 2021 | 0 | — | 0 | — | — |
| Q2 2021 | 0 | — | 0 | — | — |
| Q3 2021 | 0 | — | 0 | — | — |
| Q4 2021 | 0 | — | 6 | $3.1m | — |
| Q1 2022 | 0 | — | 0 | — | — |
| Q2 2022 | 0 | — | 0 | — | — |
| Q3 2022 | 0 | — | 0 | — | — |
| Q4 2022 | 0 | — | 0 | — | — |
None reported in Q4 2022.
Holders, Q4 2022
| Manager | Shares | Change |
|---|---|---|
| BlackRock Inc. 0.02% of their portfolio | 12.4m $524.3m | Added +1.4m |
| VANGUARD GROUP INC 0.01% of their portfolio | 10.2m $430.7m | Added +89.3k |
| WASATCH ADVISORS LP 1.75% of their portfolio | 6.2m $260.4m | Added +687.9k |
| Clearbridge Investments, LLC 0.19% of their portfolio | 4.5m $191.0m | Reduced -5.3k |
| BAMCO INC /NY/ 0.50% of their portfolio | 3.5m $148.7m | Added +67.2k |
| STATE STREET CORP 0.01% of their portfolio | 3.5m $148.0m | Added +40.6k |
| ALLIANCEBERNSTEIN L.P. 0.06% of their portfolio | 3.0m $128.3m | Reduced -4.1m |
| MACQUARIE GROUP LTD 0.15% of their portfolio | 2.9m $123.5m | Added +34.0k |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.46% of their portfolio | 2.9m $121.2m | Reduced -136.4k |
| GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 2.0m $83.1m | Added +18.8k |
| Balyasny Asset Management L.P. 0.29% of their portfolio | 2.0m $82.7m | Added +524.1k |
| Artisan Partners Limited Partnership 0.14% of their portfolio | 1.9m $81.1m | Reduced -9.0k |
| Conestoga Capital Advisors, LLC 1.42% of their portfolio | 1.8m $75.9m | Added +2.2k |
| Allspring Global Investments Holdings, LLC 0.11% of their portfolio | 1.5m $63.5m | Added +815.5k |
| AMERICAN CENTURY COMPANIES INC 0.05% of their portfolio | 1.3m $56.0m | Added +532.5k |
| GENEVA CAPITAL MANAGEMENT LLC 1.14% of their portfolio | 1.2m $50.9m | Reduced -10.0k |
| Liontrust Investment Partners LLP 0.87% of their portfolio | 1.2m $50.0m | Added +1.1m |
| MORGAN STANLEY 0.01% of their portfolio | 1.2m $49.9m | Added +290.0k |
| Bank of New York Mellon Corp 0.01% of their portfolio | 1.1m $45.7m | Added +22.5k |
| DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio | 1.0m $43.9m | Added +142.3k |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 1.0m $42.3m | Added +351.5k |
| TWO SIGMA INVESTMENTS, LP 0.13% of their portfolio | 960.3k $40.6m | Reduced -113.3k |
| FEDERATED HERMES, INC. 0.11% of their portfolio | 897.3k $38.0m | Reduced -98.1k |
| MILLENNIUM MANAGEMENT LLC 0.04% of their portfolio | 892.9k $37.8m | Added +710.6k |
| EVENTIDE ASSET MANAGEMENT, LLC 0.74% of their portfolio | 882.0k $37.3m | Reduced -108.0k |
| NORTHERN TRUST CORP 0.01% of their portfolio | 864.0k $36.6m | Reduced -2.0k |
| NORGES BANK 0.01% of their portfolio | 844.9k $35.8m | Reduced -51.9k |
| Baird Financial Group, Inc. 0.09% of their portfolio | 842.7k $35.7m | Added +157.3k |
| D. E. Shaw & Co., Inc. 0.06% of their portfolio | 834.8k $35.3m | Added +567.7k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 794.4k $33.6m | Added +51.6k |
| Stephens Investment Management Group LLC 0.57% of their portfolio | 740.6k $31.6m | Reduced -1.8k |
| Epoch Investment Partners, Inc. 0.18% of their portfolio | 711.9k $30.1m | Added +579.1k |
| LONDON CO OF VIRGINIA 0.18% of their portfolio | 704.5k $29.8m | New |
| PRINCIPAL FINANCIAL GROUP INC 0.02% of their portfolio | 703.9k $29.8m | Added +273.2k |
| Allianz Asset Management GmbH 0.06% of their portfolio | 687.8k $29.1m | Reduced -1.0k |
| Montanaro Asset Management Ltd 4.71% of their portfolio | 683.0k $28.9m | Reduced -45.0k |
| CITADEL ADVISORS LLC 0.03% of their portfolio | 671.4k $28.4m | Added +590.0k |
| TD Asset Management Inc 0.03% of their portfolio | 646.5k $27.4m | Added +518.2k |
| BLAIR WILLIAM & CO/IL 0.11% of their portfolio | 623.6k $26.4m | Reduced -238.8k |
| TWO SIGMA ADVISERS, LP 0.07% of their portfolio | 592.2k $25.1m | Added +6.3k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 553.5k $23.4m | Reduced -939.6k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 517.0k $21.9m | Reduced -2.3k |
| Rathbones Group PLC 0.23% of their portfolio | 481.1k $20.4m | Added +48.0k |
| Aperture Investors, LLC 3.24% of their portfolio | 466.2k $19.7m | Added +209.9k |
| MARSHALL WACE, LLP 0.05% of their portfolio | 453.8k $19.2m | Reduced -96.2k |
| DISCIPLINED GROWTH INVESTORS INC /MN 0.48% of their portfolio | 438.6k $18.6m | Added +257 |
| Pembroke Management, LTD 1.88% of their portfolio | 414.7k $17.6m | Reduced -4.8k |
| Broad Bay Capital Management, LP 2.41% of their portfolio | 400.0k $16.9m | Unchanged |
| Cerity Partners LLC 0.11% of their portfolio | 396.5k $16.8m | New |
| Qube Research & Technologies Ltd 0.10% of their portfolio | 384.2k $16.3m | Added +186.0k |
| Handelsbanken Fonder AB 0.10% of their portfolio | 367.2k $15.5m | Reduced -446.8k |
| Capital Research Global Investors 0.00% of their portfolio | 363.7k $15.4m | New |
| SEI INVESTMENTS CO 0.03% of their portfolio | 361.4k $15.3m | Reduced -96.0k |
| RHUMBLINE ADVISERS 0.02% of their portfolio | 344.3k $14.6m | Added +10.2k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.01% of their portfolio | 340.6k $14.4m | Reduced -85.0k |
| Erste Asset Management GmbH 0.31% of their portfolio | 340.2k $14.5m | Added +29.8k |
| RENAISSANCE TECHNOLOGIES LLC 0.02% of their portfolio | 337.2k $14.3m | Reduced -142.8k |
| NFJ INVESTMENT GROUP, LLC 0.37% of their portfolio | 329.6k $14.0m | Reduced -8.2k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 319.4k $13.5m | Reduced -4.7m |
| Nuveen Asset Management, LLC 0.01% of their portfolio | 315.7k $13.4m | Reduced -50.2k |
| WCM INVESTMENT MANAGEMENT, LLC 0.04% of their portfolio | 295.4k $12.5m | New |
| Candriam S.C.A. 0.08% of their portfolio | 293.3k $12.4m | Unchanged |
| Invesco Ltd. 0.00% of their portfolio | 289.7k $12.3m | Reduced -12.3k |
| RAYMOND JAMES & ASSOCIATES 0.01% of their portfolio | 287.3k $12.2m | Added +16.5k |
| ENVESTNET ASSET MANAGEMENT INC 0.01% of their portfolio | 286.6k $12.1m | Added +62.6k |
| FRONTIER CAPITAL MANAGEMENT CO LLC 0.12% of their portfolio | 268.6k $11.4m | Added +19.7k |
| Swiss National Bank 0.01% of their portfolio | 266.2k $11.3m | Reduced -2.2k |
| AGF MANAGEMENT LTD 0.08% of their portfolio | 264.8k $11.2m | First filing |
| CREDIT SUISSE AG/ 0.01% of their portfolio | 263.0k $11.1m | Added +22.6k |
| Aberdeen Group plc 0.03% of their portfolio | 261.4k $11.1m | Reduced -318.0k |
| California Public Employees Retirement System 0.01% of their portfolio | 253.9k $10.7m | Added +545 |
| Point72 Asset Management, L.P. 0.04% of their portfolio | 243.0k $10.3m | New |
| ROYAL LONDON ASSET MANAGEMENT LTD 0.05% of their portfolio | 241.5k $10.2m | Reduced -3.4k |
| DEUTSCHE BANK AG\ 0.01% of their portfolio | 237.2k $10.0m | Reduced -8.8k |
| Summit Creek Advisors LLC 1.36% of their portfolio | 235.4k $10.0m | Added +591 |
| EAGLE ASSET MANAGEMENT INC 0.06% of their portfolio | 221.1k $9.7m | New |
| NEW YORK STATE COMMON RETIREMENT FUND 0.01% of their portfolio | 220.3k $9.3m | Added +4.1k |
| Janney Montgomery Scott LLC 0.04% of their portfolio | 215.9k $9.1m | Added +159.8k |
| TWINBEECH CAPITAL LP 0.17% of their portfolio | 212.9k $9.0m | New |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 209.2k $8.9m | Added +40.5k |
| Man Group plc 0.03% of their portfolio | 203.2k $8.6m | Reduced -39.4k |
| SILVERCREST ASSET MANAGEMENT GROUP LLC 0.07% of their portfolio | 202.0k $8.6m | New |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 194.7k $8.2m | Added +4.6k |
| COMERICA BANK 0.08% of their portfolio | 191.9k $9.7m | Added +11.8k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 181.9k $7.7m | Reduced -4.3k |
| Grantham, Mayo, Van Otterloo & Co. LLC 0.04% of their portfolio | 179.8k $7.6m | Reduced -15.9k |
| SCHRODER INVESTMENT MANAGEMENT GROUP 0.01% of their portfolio | 177.0k $7.5m | Reduced -49.8k |
| SVB WEALTH LLC 0.10% of their portfolio | 174.7k $7.4m | Reduced -16.0k |
| STIFEL FINANCIAL CORP 0.01% of their portfolio | 174.4k $7.4m | Reduced -252.8k |
| AMERICAN INTERNATIONAL GROUP, INC. 0.05% of their portfolio | 171.5k $7.3m | Reduced -3.1k |
| Thrivent Financial for Lutherans 0.02% of their portfolio | 168.4k $7.1m | Added +41.7k |
| Amundi 0.00% of their portfolio | 165.4k $8.1m | Added +33.1k |
| Legal & General Group Plc 0.00% of their portfolio | 164.0k $6.9m | Reduced -9.6k |
| KORNITZER CAPITAL MANAGEMENT INC /KS 0.14% of their portfolio | 162.7k $6.9m | Added +130.6k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 157.4k $6.7m | Reduced -21.8k |
| Ensign Peak Advisors, Inc 0.01% of their portfolio | 156.6k $6.6m | Added +36.5k |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 152.0k $6.4m | New |
| Retirement Systems of Alabama 0.03% of their portfolio | 144.6k $6.1m | Added +282 |
| DF DENT & CO INC 0.09% of their portfolio | 144.3k $6.1m | Reduced -9.6k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 140.3k $5.9m | Reduced -873 |