What is Koppers Holdings's inventories?

Koppers Holdings (KOP) reported inventories of $499.4M in Q1 2026.

How has Koppers Holdings's inventories changed year-over-year?

Koppers Holdings's inventories increased by 23.8% year-over-year, from $403.4M to $499.4M.

What is the long-term trend for Koppers Holdings's inventories?

Over 5 years (2020 to 2025), Koppers Holdings's inventories has grown at a 11.8% compound annual growth rate (CAGR), from $295.8M to $515.9M.

What does inventories mean?

Total inventory including raw materials, work-in-progress, and finished goods, valued at the lower of cost or net realizable value.

Koppers Holdings KOP Inventories

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$1.68B-5.8%

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$522M-3.5%

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$203.6M-17.0%

The Greenbrier CompaniesGBX

$621.1M-10.3%

Other financials

Income statement

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Revenue$455.3M-0.3%

Gross profit$86.6M-18.1%

Operating income$22.0M-18.5%

Net income$7.1M+151%

EPS (diluted)$0.35+151%

Balance sheet

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Cash & equivalents$42.8M+28.5%

Total debt$1.0B-4.3%

Total equity$549.5M+10.3%

Total assets$1.9B-0.6%

Cash flow

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Operating cash flow$46.3M+304%

CapEx$11.4M-20.3%

Free cash flow$34.9M+194%

Valuation

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Market cap$843.89M+37.3%

Enterprise value$1.82B+10.7%

P/E11×—

P/S0.5×+0.1×

Profitability

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Gross margin22.8%+1.7pp

Operating margin8.7%+1.8pp

Net margin4.1%—

FCF margin7.4%—

Returns & leverage

See full

Return on equity14.7%—

Debt / equity1.9×-0.3×

Current ratio2.7×+0.1×

Where this comes from

Reported directly by Koppers Holdings in its filing.

Tagged under the XBRL concept us-gaap:InventoryGross.

The official record: Koppers Holdings’s 10-Q, filed May 8, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Koppers Holdings's inventories?: Koppers Holdings (KOP) reported inventories of $499.4M in Q1 2026.
How has Koppers Holdings's inventories changed year-over-year?: Koppers Holdings's inventories increased by 23.8% year-over-year, from $403.4M to $499.4M.
What is the long-term trend for Koppers Holdings's inventories?: Over 5 years (2020 to 2025), Koppers Holdings's inventories has grown at a 11.8% compound annual growth rate (CAGR), from $295.8M to $515.9M.
What does inventories mean?: Total inventory including raw materials, work-in-progress, and finished goods, valued at the lower of cost or net realizable value.