What is Westlake's additional paid-in capital?

Westlake (WLK) reported additional paid-in capital of $685M in Q1 2026.

How has Westlake's additional paid-in capital changed year-over-year?

Westlake's additional paid-in capital increased by 5.4% year-over-year, from $650M to $685M.

What is the long-term trend for Westlake's additional paid-in capital?

Over 5 years (2020 to 2025), Westlake's additional paid-in capital has grown at a 3.7% compound annual growth rate (CAGR), from $569M to $683M.

Westlake WLK Additional Paid-In Capital

Additional Paid-In Capital at other companies

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Other financials

Income statement

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Revenue$2.7B-6.8%

Gross profit$112.0M-51.7%

Operating income-$172.0M-438%

Net income-$169.0M-323%

EPS (diluted)-$1.31-323%

Balance sheet

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Cash & equivalents$2.3B-1.1%

Total debt$6.4B+16.9%

Total equity$8.5B-17.9%

Total assets$19.7B-4.8%

Cash flow

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Operating cash flow-$94.0M-22.1%

CapEx$209.0M-15.7%

Free cash flow-$303.0M+6.8%

Valuation

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Market cap$10.29B+16.3%

Enterprise value$14.38B+19.0%

P/S0.9×+0.2×

Profitability

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Gross margin6.3%-8.0pp

Operating margin-15.7%-20.8pp

Net margin-14.9%-18.1pp

FCF margin-4.6%-5.3pp

Returns & leverage

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Return on equity-17.3%-21.0pp

Debt / equity0.7×+0.2×

Current ratio2.2×-0.5×

Where this comes from

Reported directly by Westlake in its filing.

Tagged under the XBRL concept us-gaap:AdditionalPaidInCapitalCommonStock.

The official record: Westlake’s 10-Q, filed May 6, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Westlake's additional paid-in capital?: Westlake (WLK) reported additional paid-in capital of $685M in Q1 2026.
How has Westlake's additional paid-in capital changed year-over-year?: Westlake's additional paid-in capital increased by 5.4% year-over-year, from $650M to $685M.
What is the long-term trend for Westlake's additional paid-in capital?: Over 5 years (2020 to 2025), Westlake's additional paid-in capital has grown at a 3.7% compound annual growth rate (CAGR), from $569M to $683M.