TREX CO INC

Ticker: TREX CUSIP: 89531P105 Class: Common Stock

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025

Shares 639,397 Value ($000) $33,038 Avg Close $60.90 Range $49.55 - $68.78

Q2 2025

Shares 498,588 Value ($000) $27,113 Avg Close $56.68 Range $49.01 - $63.17

Q1 2025

Shares 495,192 Value ($000) $28,771 Avg Close $64.97 Range $52.75 - $75.55

Q4 2024

Shares 518,793 Value ($000) $35,812 Avg Close $70.47 Range $61.97 - $80.74

Q3 2024

Shares 536,897 Value ($000) $35,747 Avg Close $70.19 Range $58.68 - $86.56

Q2 2024

Shares 237,503 Value ($000) $17,604 Avg Close $87.49 Range $73.40 - $99.86

Q1 2024

Shares 238,757 Value ($000) $23,816 Avg Close $89.05 Range $75.79 - $101.91

Q4 2023

Shares 241,765 Value ($000) $20,016 Avg Close $66.33 Range $53.59 - $84.68

Q3 2023

Shares 241,420 Value ($000) $14,879 Avg Close $68.61 Range $61.00 - $76.05

Q2 2023

Shares 243,824 Value ($000) $15,985 Avg Close $55.79 Range $46.84 - $66.20

Q1 2023

Shares 246,319 Value ($000) $11,988 Avg Close $50.58 Range $42.68 - $59.84

Q4 2022

Shares 268,577 Value ($000) $11,369 Avg Close $45.39 Range $38.68 - $52.08

Q3 2022

Shares 248,849 Value ($000) $10,934 Avg Close $53.50 Range $42.81 - $66.65

Q2 2022

Shares 208,573 Value ($000) $11,351 Avg Close $60.33 Range $49.31 - $69.21

Q1 2022

Shares 206,366 Value ($000) $13,482 Avg Close $89.05 Range $65.25 - $136.78

Q4 2021

Shares 137,853 Value ($000) $18,614 Avg Close $120.04 Range $90.59 - $140.98

Q3 2021

Shares 149,196 Value ($000) $15,208 Avg Close $104.56 Range $91.56 - $114.61

Q2 2021

Shares 166,094 Value ($000) $16,976 Avg Close $100.96 Range $92.35 - $111.04

Q1 2021

Shares 191,058 Value ($000) $17,489 Avg Close $94.04 Range $81.71 - $107.64

Q4 2020

Shares 294,448 Value ($000) $24,651 Avg Close $76.52 Range $64.26 - $87.88

Q3 2020

Shares 385,059 Value ($000) $27,570 Avg Close $69.18 Range $60.91 - $78.31

Q2 2020

Shares 211,406 Value ($000) $27,498 Avg Close $53.33 Range $33.21 - $66.42

Q1 2020

Shares 235,778 Value ($000) $18,895 Avg Close $46.86 Range $28.11 - $55.92

Q4 2019

Shares 241,473 Value ($000) $21,704 Avg Close $44.04 Range $41.00 - $46.81

Q3 2019

Shares 286,788 Value ($000) $26,078 Avg Close $40.33 Range $33.84 - $45.79

Q2 2019

Shares 307,100 Value ($000) $22,019 Avg Close $33.89 Range $28.77 - $38.77

Q1 2019

Shares 433,840 Value ($000) $26,690 Avg Close $34.94 Range $28.86 - $39.69

Q4 2018

Shares 463,147 Value ($000) $27,492 Avg Close $31.30 Range $25.44 - $38.75

Q3 2018

Shares 522,069 Value ($000) $40,189 Avg Close $38.47 Range $30.75 - $45.37

Q2 2018

Shares 549,333 Value ($000) $34,383 Avg Close $28.98 Range $25.52 - $33.38

Q1 2018

Shares 279,378 Value ($000) $30,388 Avg Close $27.54 Range $25.36 - $30.10

Q4 2017

Shares 280,808 Value ($000) $30,437 Avg Close $25.45 Range $20.91 - $29.66

Q3 2017

Shares 285,875 Value ($000) $25,749 Avg Close $19.06 Range $16.75 - $22.52

Q2 2017

Shares 289,840 Value ($000) $19,611 Avg Close $16.88 Range $15.39 - $19.12

Q1 2017

Shares 291,546 Value ($000) $20,230 Avg Close $17.24 Range $16.05 - $19.54

Q4 2016

Shares 295,593 Value ($000) $19,036 Avg Close $15.62 Range $12.70 - $18.05

Q3 2016

Shares 302,224 Value ($000) $17,747 Avg Close $13.94 Range $11.10 - $16.09

Q2 2016

Shares 302,670 Value ($000) $13,596 Avg Close $11.28 Range $9.94 - $12.65

Q1 2016

Shares 311,720 Value ($000) $14,941 Avg Close $9.74 Range $7.78 - $12.04

Q4 2015

Shares 310,789 Value ($000) $11,822 Avg Close $10.02 Range $8.43 - $11.04

Q3 2015

Shares 311,056 Value ($000) $10,367 Avg Close $10.27 Range $7.93 - $12.54

Q2 2015

Shares 343,356 Value ($000) $16,972 Avg Close $12.82 Range $11.68 - $14.43

Q1 2015

Shares 342,384 Value ($000) $18,670 Avg Close $11.54 Range $9.51 - $13.78

Q4 2014

Shares 357,944 Value ($000) $15,241 Avg Close $9.96 Range $7.77 - $11.21

Q3 2014

Shares 371,108 Value ($000) $12,829 Avg Close $8.38 Range $6.29 - $9.87

Q2 2014

Shares 381,610 Value ($000) $10,998 Avg Close $8.47 Range $7.07 - $10.13

Q1 2014

Shares 200,460 Value ($000) $14,666 Avg Close $8.95 Range $7.76 - $10.86

Q4 2013

Shares 205,490 Value ($000) $16,343 Avg Close $8.18 Range $5.78 - $10.38

Q3 2013

Shares 213,110 Value ($000) $10,555 Avg Close $5.82 Range $5.16 - $6.51

Q2 2013

Shares 218,120 Value ($000) $10,359 Avg Close $6.43 Range $5.66 - $7.25

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	639,397	$33,038	$60.90	$49.55 - $68.78
Q2 2025	498,588	$27,113	$56.68	$49.01 - $63.17
Q1 2025	495,192	$28,771	$64.97	$52.75 - $75.55
Q4 2024	518,793	$35,812	$70.47	$61.97 - $80.74
Q3 2024	536,897	$35,747	$70.19	$58.68 - $86.56
Q2 2024	237,503	$17,604	$87.49	$73.40 - $99.86
Q1 2024	238,757	$23,816	$89.05	$75.79 - $101.91
Q4 2023	241,765	$20,016	$66.33	$53.59 - $84.68
Q3 2023	241,420	$14,879	$68.61	$61.00 - $76.05
Q2 2023	243,824	$15,985	$55.79	$46.84 - $66.20
Q1 2023	246,319	$11,988	$50.58	$42.68 - $59.84
Q4 2022	268,577	$11,369	$45.39	$38.68 - $52.08
Q3 2022	248,849	$10,934	$53.50	$42.81 - $66.65
Q2 2022	208,573	$11,351	$60.33	$49.31 - $69.21
Q1 2022	206,366	$13,482	$89.05	$65.25 - $136.78
Q4 2021	137,853	$18,614	$120.04	$90.59 - $140.98
Q3 2021	149,196	$15,208	$104.56	$91.56 - $114.61
Q2 2021	166,094	$16,976	$100.96	$92.35 - $111.04
Q1 2021	191,058	$17,489	$94.04	$81.71 - $107.64
Q4 2020	294,448	$24,651	$76.52	$64.26 - $87.88
Q3 2020	385,059	$27,570	$69.18	$60.91 - $78.31
Q2 2020	211,406	$27,498	$53.33	$33.21 - $66.42
Q1 2020	235,778	$18,895	$46.86	$28.11 - $55.92
Q4 2019	241,473	$21,704	$44.04	$41.00 - $46.81
Q3 2019	286,788	$26,078	$40.33	$33.84 - $45.79
Q2 2019	307,100	$22,019	$33.89	$28.77 - $38.77
Q1 2019	433,840	$26,690	$34.94	$28.86 - $39.69
Q4 2018	463,147	$27,492	$31.30	$25.44 - $38.75
Q3 2018	522,069	$40,189	$38.47	$30.75 - $45.37
Q2 2018	549,333	$34,383	$28.98	$25.52 - $33.38
Q1 2018	279,378	$30,388	$27.54	$25.36 - $30.10
Q4 2017	280,808	$30,437	$25.45	$20.91 - $29.66
Q3 2017	285,875	$25,749	$19.06	$16.75 - $22.52
Q2 2017	289,840	$19,611	$16.88	$15.39 - $19.12
Q1 2017	291,546	$20,230	$17.24	$16.05 - $19.54
Q4 2016	295,593	$19,036	$15.62	$12.70 - $18.05
Q3 2016	302,224	$17,747	$13.94	$11.10 - $16.09
Q2 2016	302,670	$13,596	$11.28	$9.94 - $12.65
Q1 2016	311,720	$14,941	$9.74	$7.78 - $12.04
Q4 2015	310,789	$11,822	$10.02	$8.43 - $11.04
Q3 2015	311,056	$10,367	$10.27	$7.93 - $12.54
Q2 2015	343,356	$16,972	$12.82	$11.68 - $14.43
Q1 2015	342,384	$18,670	$11.54	$9.51 - $13.78
Q4 2014	357,944	$15,241	$9.96	$7.77 - $11.21
Q3 2014	371,108	$12,829	$8.38	$6.29 - $9.87
Q2 2014	381,610	$10,998	$8.47	$7.07 - $10.13
Q1 2014	200,460	$14,666	$8.95	$7.76 - $10.86
Q4 2013	205,490	$16,343	$8.18	$5.78 - $10.38
Q3 2013	213,110	$10,555	$5.82	$5.16 - $6.51
Q2 2013	218,120	$10,359	$6.43	$5.66 - $7.25