Westlake (WLK) Inventory (2010 - 2026)

Westlake's Inventory history runs 17 years deep, the most recent figure standing at $1.7 billion for Q1 2026.

• On a quarterly basis, Inventory fell 5.84% year-over-year to $1.7 billion in Q1 2026; TTM through Mar 2026 was $1.7 billion, a 5.84% decrease from a year earlier, with the FY2025 full-year figure at $1.7 billion, down 2.59% from the prior year.
• Inventory advanced to $1.7 billion in Q1 2026 per WLK's latest filing, from $1.7 billion in the prior quarter.
• Across five years, Inventory topped out at $2.0 billion in Q3 2022 and bottomed at $1.6 billion in Q4 2023.
• The 5-year median for Inventory is $1.7 billion (2025), against an average of $1.8 billion.
• Across the five-year window, Inventory jumped 109.43% in 2022 and retreated 17.39% in 2023, its largest moves.
• Year by year, Inventory stood at $1.9 billion in 2022, then slipped by 13.08% to $1.6 billion in 2023, then advanced by 4.62% to $1.7 billion in 2024, then slipped by 2.59% to $1.7 billion in 2025, then increased by 1.45% to $1.7 billion in 2026.
• Per Business Quant, the three latest WLK Inventory figures stand at $1.7 billion (Q1 2026), $1.7 billion (Q4 2025), and $1.7 billion (Q3 2025).