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WELLINGTON MANAGEMENT GROUP LLP

Position in TREX — Trex Co Inc

CIK 902219 Boston, MA

Position in TREX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$494,250,880
+$189,824,190 QoQ
Shares Held
9,877,116
+18.2% QoQ
Ownership
9.70%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
#2
of 468 holders
Holding Since
Mar 2020
15 quarters on record
Voting authority Sole 0% Shared 77% None 23%

Common Shares in TREX Over Time

Shares Held

Position Value (USD)

Position in Building Products & Equipment

Industrials · as of Jun 30, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $4,364,566,580 across 14 Building Products & Equipment names. TREX ranks #4 (11.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 TREX
Trex Co Inc
This page
9,877,116 $494,250,880

All Filings in TREX

Export CSV
17 filing rows on record
Report Date Value (USD) Shares
2026-07-31 $457,795,313 10,558,010
2026-06-30 $494,251,284 9,877,124
2026-06-30 $494,250,880 9,877,116
2026-03-31 $304,426,690 8,358,778
2025-12-31 $253,466,783 7,225,393
2025-09-30 $102,001,539 1,974,096
2025-06-30 $57,460,516 1,056,648
2025-03-31 $39,646,160 682,378
2023-06-30 $4,027,939 61,439
2022-12-31 $6,434,539 152,009
2021-09-30 $531,972 5,219
2021-06-30 $19,014,228 186,031
2021-03-31 $26,809,228 292,869
2020-12-31 $26,077,440 311,484
2020-09-30 $22,831,235 318,872
2020-06-30 $22,154,953 170,331
2020-03-31 $32,602,554 406,820