Westport Fuel Systems WPRT
NASDAQ WPRT
$1.83 +0.02 (+1.10%)
As of: Aug 21, 2026 · 3:58 PM EDT

Westport Fuel Systems (WPRT) Change in Inventory (2009 - 2026)

Westport Fuel Systems' (WPRT) quarterly Change in Inventory came in at -$8.6 million in Q4 2025, down 1146.51% YoY from $819484.4 in Q4 2024, and down 63.13% on a QoQ basis from -$5.3 million in Q3 2025.

Westport Fuel Systems (WPRT) Change in Inventory (2009 - 2026) Analysis & Trends

Westport Fuel Systems (WPRT) has 17 years of Change in Inventory data on file, last reported at -$8.6 million in Q4 2025.

  • Quarterly Change in Inventory fell 1146.51% year-over-year to -$8.6 million in Q4 2025, while the trailing twelve-month figure through Dec 2025 was -$15.5 million (down 100.73% YoY) and the FY2025 annual result came in at -$3.4 million, down 56250.0% from the prior year.
  • Change in Inventory fell to -$8.6 million in Q4 2025, from -$5.3 million in the prior quarter.
  • In the past five years, Change in Inventory ranged from a high of $8.8 million in Q4 2022 to a low of -$11.9 million in Q3 2021.
  • A 5-year average of -$3.1 million and a median of -$5.0 million in 2021 frame the typical range for Change in Inventory.
  • Annual changes were most pronounced in 2021 — Change in Inventory sank 1167.66% — and 2024, when it jumped 1157.54%.
  • Tracing WPRT's Change in Inventory over 5 years: stood at -$8.0 million in 2021, then soared by 210.25% to $8.8 million in 2022, then slumped by 157.01% to -$5.0 million in 2023, then soared by 86.23% to -$688000.0 in 2024, then sank by 1146.51% to -$8.6 million in 2025.
  • The last three Change in Inventory figures came in at -$8.6 million (Q4 2025), -$5.3 million (Q3 2025), and $5.9 million (Q2 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Change in Inventory (Qtr)
1 O Reilly Automotive 73.55 Bn 73.29 Bn 2.52 Bn 160.24 Mn
2 Autozone 48.72 Bn 48.46 Bn 2.52 Bn 104.14 Mn
3 Magna International 20.02 Bn 18.59 Bn 1.61 Bn -
4 Genuine Parts 18.44 Bn 17.88 Bn 2.47 Bn -
5 Borgwarner 13.74 Bn 11.29 Bn 721.00 Mn -
6 Allison Transmission Holdings 11.11 Bn 10.71 Bn 515.00 Mn 12.00 Mn
7 Modine Manufacturing 10.43 Bn 10.36 Bn - -
8 Aptiv 10.21 Bn 9.45 Bn 775.00 Mn 45.00 Mn
9 Autoliv 9.27 Bn 8.90 Bn 509.00 Mn 3.00 Mn
10 Westport Fuel Systems 32.44 Mn -5.21 Mn 842,000.00 5.88 Mn

Historic Data

Download Data
DateValue
Jun 30, 2026 -159,000.00
Jun 30, 2026 -159,000.00
Dec 31, 2025 -8.58 Mn
Dec 31, 2025 -8.58 Mn
Sep 30, 2025 -5.26 Mn
Sep 30, 2025 -5.26 Mn
Jun 30, 2025 5.88 Mn
Jun 30, 2025 5.88 Mn
Mar 31, 2025 -7.50 Mn
Mar 31, 2025 -7.50 Mn
Dec 31, 2024 -688,000.00
Dec 31, 2024 -688,000.00
Sep 30, 2024 -5.26 Mn
Sep 30, 2024 -5.26 Mn
Jun 30, 2024 5.68 Mn
Jun 30, 2024 5.68 Mn
Mar 31, 2024 -7.43 Mn
Mar 31, 2024 -7.43 Mn
Dec 31, 2023 -5.00 Mn
Dec 31, 2023 -5.00 Mn