Kaiser Aluminum Corporation Shares Outstanding 2008–2025
Kaiser Aluminum Corporation reported 16.2M of shares outstanding for fiscal 2025. That was 0.7% higher than fiscal 2024. Compared with fiscal 2020, the change was +2.5%. A rising share count can dilute per-share ownership; the filings should be checked for issuance and stock-compensation details.
| Fiscal year | Shares Outstanding | Change (YoY) |
|---|---|---|
| FY 2025 | 16.2M | +0.7% |
| FY 2024 | 16.1M | +0.5% |
| FY 2023 | 16.0M | +0.5% |
| FY 2022 | 15.9M | +0.5% |
| FY 2021 | 15.9M | +0.3% |
| FY 2020 | 15.8M | -0.4% |
| FY 2019 | 15.9M | -2.3% |
| FY 2018 | 16.2M | -3.2% |
| FY 2017 | 16.8M | -5.0% |
| FY 2016 | 17.7M | -2.2% |
| FY 2015 | 18.1M | +2.5% |
| FY 2014 | 17.6M | -3.0% |
| FY 2013 | 18.1M | -6.0% |
| FY 2012 | 19.3M | +0.3% |
| FY 2011 | 19.3M | +0.2% |
| FY 2010 | 19.2M | -5.2% |
| FY 2009 | 20.3M | — |
| FY 2008 | 0.0M | — |
Source: Kaiser Aluminum Corporation SEC filings — balance sheet (10-K), split-adjusted. Computed deterministically; refreshed nightly (last updated August 2, 2026). Open KALU 10-K filings at SEC EDGAR · Methodology · Download CSV.
How to read this history
Kaiser Aluminum Corporation reported 16.2M of shares outstanding for fiscal 2025. That was 0.7% higher than fiscal 2024. Compared with fiscal 2020, the change was +2.5%. A rising share count can dilute per-share ownership; the filings should be checked for issuance and stock-compensation details. Values remain missing when the cached filing does not disclose a comparable line item; they are never estimated. Stock splits, reorganizations and fiscal-calendar changes can reduce comparability.
Prepared and reviewed by the stockportfolio.pro research desk. Corrections: support@stockportfolio.pro.
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What is Kaiser Aluminum Corporation's shares outstanding?
Kaiser Aluminum Corporation (KALU) reported shares outstanding of 16.2M for fiscal year 2025, per its SEC filings.
Where does this data come from?
Figures are computed from Kaiser Aluminum Corporation's official SEC filings (balance sheet (10-K), split-adjusted), refreshed nightly. Not investment advice.
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