Ticker · CUSIP 89531P105

TREX

TREX CO INC

Industrials·Building Products & Equipment

···Share

Holders (tracked)

Combined shares

22,071,977

Combined value

$774.29M

Last close

$42.77

Quarter

2025Q4

Price is +21.9% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$42.77-12.84 (-23.09%)H $68.49 · L $30.13 · Avg Vol 2.0M

Tracked holders · last 8 quarters

+7 vs previous quarter over the last 8.

SEC event timeline

30 events

Ron Baron (Baron Capital / BAMCO) exited2026-02-17
−1,589,735 shares · 2025Q4
Position
Ken Griffin (Citadel Advisors) added2026-02-17
+1,644,159 shares · 2025Q4
Position
Two Sigma Investments added2026-02-17
+747,238 shares · 2025Q4
Position
D.E. Shaw & Co. added2026-02-17
+1,708,234 shares · 2025Q4
Position
AQR Capital Management added2026-02-17
+2,297,533 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2026-02-17
+99,213 shares · 2025Q4
Position
Steve Cohen (Point72) opened position2026-02-17
+1,662,342 shares · 2025Q4
Position
T. Rowe Price trimmed2026-02-17
−645,280 shares · 2025Q4
Position
Jeremy Grantham (GMO) trimmed2026-02-17
−168,480 shares · 2025Q4
Position
Wellington Management added2026-02-17
+5,251,297 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) opened position2026-02-17
+235,273 shares · 2025Q4
Position
Ray Dalio (Bridgewater Associates) added2026-02-13
+124,494 shares · 2025Q4
Position
Renaissance Technologies trimmed2026-02-12
−286,100 shares · 2025Q4
Position
Norges Bank (Norway SWF) opened position2026-02-10
+1,793,154 shares · 2025Q4
Position
Ken Fisher (Fisher Asset Mgmt) exited2026-02-09
−329,124 shares · 2025Q4
Position
Mario Gabelli (GAMCO) opened position2026-02-05
+144,490 shares · 2025Q4
Position
D.E. Shaw & Co. trimmed2025-11-14
−14,456 shares · 2025Q3
Position
AQR Capital Management added2025-11-14
+1,588,948 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+228,665 shares · 2025Q3
Position
Steve Cohen (Point72) exited2025-11-14
−898,481 shares · 2025Q3
Position
Two Sigma Investments added2025-11-14
+69,339 shares · 2025Q3
Position
T. Rowe Price trimmed2025-11-14
−6,968,633 shares · 2025Q3
Position
Wellington Management added2025-11-14
+917,448 shares · 2025Q3
Position
Ron Baron (Baron Capital / BAMCO) added2025-11-14
+11,271 shares · 2025Q3
Position
Renaissance Technologies opened position2025-11-13
+563,600 shares · 2025Q3
Position
Jeremy Grantham (GMO) added2025-11-13
+166,363 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-13
−1,007,627 shares · 2025Q3
Position
Ray Dalio (Bridgewater Associates) opened position2025-11-13
+15,811 shares · 2025Q3
Position
Ken Fisher (Fisher Asset Mgmt) added2025-11-12
+52,508 shares · 2025Q3
Position
Norges Bank (Norway SWF) trimmed2025-11-12
−403,054 shares · 2024Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for TREX →

Follow-the-investor returns

If you'd copied each holder of TREX…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
D.E. Shaw & Co.	2017Q4	$35.19	+21.5%	$75.5M
D.E. Shaw & Co.	2017Q4	$35.19	+21.5%	$75.5M
Ken Griffin (Citadel Advisors)	2016Q1	$35.28	+21.2%	$4.2M
Ken Griffin (Citadel Advisors)	2016Q1	$35.28	+21.2%	$4.2M
Ken Griffin (Citadel Advisors)	2016Q1	$35.28	+21.2%	$4.2M
Steve Cohen (Point72)	2018Q3	$35.31	+21.1%	$607K
Steve Cohen (Point72)	2018Q3	$35.31	+21.1%	$607K
Steve Cohen (Point72)	2018Q3	$35.31	+21.1%	$607K
Paul Tudor Jones (Tudor Investment)	2019Q1	$35.63	+20.0%	$1.2M
Paul Tudor Jones (Tudor Investment)	2019Q1	$35.63	+20.0%	$1.2M
Paul Tudor Jones (Tudor Investment)	2019Q1	$35.63	+20.0%	$1.2M
Mario Gabelli (GAMCO)	2021Q4	$36.32	+17.7%	$6.2M
Two Sigma Investments	2016Q1	$40.10	+6.6%	$41.8M
Wellington Management	2016Q1	$40.24	+6.3%	$309.0M
Ray Dalio (Bridgewater Associates)	2021Q1	$40.78	+4.9%	$6.0M
AQR Capital Management	2016Q3	$41.63	+2.7%	$166.6M
Izzy Englander (Millennium Mgmt)	2016Q3	$52.84	-19.1%	$51.6M
Jeremy Grantham (GMO)	2022Q3	$54.09	-20.9%	$23.8M
Renaissance Technologies	2016Q1	$62.71	-31.8%	$11.9M
T. Rowe Price	2016Q1	$63.59	-32.7%	$4.1M
Norges Bank (Norway SWF)	2016Q1	$1328.79	-96.8%	$76.7M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions4

Norges Bank (Norway SWF)
+1,793,154
$62.9M
Steve Cohen (Point72)
+1,662,342
$58.3M
Paul Tudor Jones (Tudor Investment)
+235,273
$8.3M
Mario Gabelli (GAMCO)
+144,490
$5.1M

Added to7

Wellington Management
+5,251,297
$184.2M
AQR Capital Management
+2,297,533
$80.6M
D.E. Shaw & Co.
+1,708,234
$59.9M
Ken Griffin (Citadel Advisors)
+1,644,159
$57.7M
Two Sigma Investments
+747,238
$26.2M
Ray Dalio (Bridgewater Associates)
+124,494
$4.4M
Izzy Englander (Millennium Mgmt)
+99,213
$3.5M

Trimmed3

Renaissance Technologies
−286,100
$10.0M
Jeremy Grantham (GMO)
−168,480
$5.9M
T. Rowe Price
−645,280
$23K

Exited2

Ron Baron (Baron Capital / BAMCO)
−1,589,735
$82.1M
Ken Fisher (Fisher Asset Mgmt)
−329,124
$17.0M

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	15	26,003,268	$102.90B	—
2022Q2	16	24,403,128	$50.81B	+1
2022Q3	15	22,890,957	$1.01B	-1
2022Q4	18	21,940,275	$928.7M	+3
2023Q1	15	19,921,267	$969.6M	-3
2023Q2	16	20,953,721	$1.37B	+1
2023Q3	18	22,339,613	$1.38B	+2
2023Q4	15	19,983,869	$1.65B	-3
2024Q1	14	19,755,078	$1.97B	-1
2024Q2	15	20,781,221	$1.54B	+1
2024Q3	14	7,187,297	$478.5M	-1
2024Q4	12	10,009,279	$690.9M	-2
2025Q1	13	13,319,538	$773.9M	+1
2025Q2	15	14,668,450	$797.7M	+2
2025Q3	14	9,242,269	$476.5M	-1
2025Q4	21	22,071,977	$774.3M	+7

Who owns TREX

21 super-investors · 2025Q4

Tracked stake

22.07M

Combined value

$774M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New8Added10Trim3

#	Manager	Shares	Value	% of book	Last action
1	Wellington Management	7.23M	$253M	0.0%	Added+5.25M
2	AQR Capital Management	3.90M	$137M	0.1%	Added+2.30M
3	Ken Griffin Citadel Advisors	1.90M	$67M	0.0%	Added+1.64M
4	Norges Bank Norway SWF	1.79M	$63M	0.0%	New+1.79M
5	D.E. Shaw & Co.	1.77M	$62M	0.0%	Added+1.71M
6	Steve Cohen Point72	1.66M	$58M	0.1%	New+1.66M
7	Izzy Englander Millennium Mgmt	1.21M	$42M	0.0%	Added+99.2K
8	Two Sigma Investments	976.6K	$34M	0.0%	Added+747.2K
9	Jeremy Grantham GMO	556.6K	$20M	0.0%	Trim−168.5K
10	Renaissance Technologies	277.5K	$10M	0.0%	Trim−286.1K
11	Paul Tudor Jones Tudor Investment	235.3K	$8M	0.0%	New+235.3K
12	Mario Gabelli GAMCO	144.5K	$5M	0.0%	New+144.5K
13	Ray Dalio Bridgewater Associates	140.3K	$5M	0.0%	Added+124.5K
14	Ken Griffin Citadel Advisors	98.3K	$3M	0.0%	Added+1.64M
15	T. Rowe Price	95.5K	$3M	0.0%	Trim−645.3K
16	Paul Tudor Jones Tudor Investment	28.6K	$1M	0.0%	New+235.3K
17	Ken Griffin Citadel Advisors	23.3K	$817K	0.0%	Added+1.64M
18	Steve Cohen Point72	14.2K	$498K	0.0%	New+1.66M
19	Paul Tudor Jones Tudor Investment	13.4K	$470K	0.0%	New+235.3K
20	Steve Cohen Point72	10.9K	$382K	0.0%	New+1.66M
21	D.E. Shaw & Co.	6.6K	$232K	0.0%	Added+1.71M

Recent moves

20 transactions

SOLDRon Baron (Baron Capital / BAMCO)
−1,589,735 · 2025Q4
ADDAQR Capital Management
+2,297,533 · 2025Q4
TRIMJeremy Grantham (GMO)
−168,480 · 2025Q4
NEWSteve Cohen (Point72)
+1,662,342 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+99,213 · 2025Q4
ADDTwo Sigma Investments
+747,238 · 2025Q4
ADDD.E. Shaw & Co.
+1,708,234 · 2025Q4
TRIMT. Rowe Price
−645,280 · 2025Q4
ADDKen Griffin (Citadel Advisors)
+1,644,159 · 2025Q4
ADDWellington Management
+5,251,297 · 2025Q4
NEWPaul Tudor Jones (Tudor Investment)
+235,273 · 2025Q4
ADDRay Dalio (Bridgewater Associates)
+124,494 · 2025Q4
TRIMRenaissance Technologies
−286,100 · 2025Q4
NEWNorges Bank (Norway SWF)
+1,793,154 · 2025Q4
SOLDKen Fisher (Fisher Asset Mgmt)
−329,124 · 2025Q4
NEWMario Gabelli (GAMCO)
+144,490 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+228,665 · 2025Q3
SOLDSteve Cohen (Point72)
−898,481 · 2025Q3
ADDTwo Sigma Investments
+69,339 · 2025Q3
TRIMD.E. Shaw & Co.
−14,456 · 2025Q3

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