As of November 6, 2026, Kaiser Aluminum Corp is a publicly traded company (Nasdaq: KALU); its largest reported holder is BlackRock, with 14.8% on Schedule 13G/A of April 24, 2026, then Vanguard (9.52%). The largest insider holding is Keith Harvey, the chief executive and president, with 94,308 shares (0.58% of shares outstanding), per Form 4 of May 1, 2026 (Schedule 13G/A, April 24, 2026).
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Is Kaiser Aluminum Corp a real, registered company?
- Kaiser Aluminum Corp files with the SEC under CIK 811596 (its SEC filings).
- Its shares are listed under the ticker KALU on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Franklin, Tennessee, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Kaiser Aluminum Corp in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Fred Stephan, Chief Executive Officer (Form 8-K filed 2026-08-17). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Vanguard (filed 2026-10-30).
Who are Kaiser Aluminum Corp's owners and officers?
Kaiser Aluminum Corp: incorporated in Delaware; business address in Franklin, Tennessee; industry Rolling Drawing & Extruding of Nonferrous Metals (Schedule 13G/A, 2026-10-30).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-10-30 | Vanguard Portfolio Management | 9.52% |
| Schedule 13G, 2026-07-31 | Vanguard Capital Management | 5.1% |
| Schedule 13G/A, 2026-07-14 | Dimensional Fund Advisors LP | 4.7% |
| Schedule 13G/A, 2026-05-15 | Nomura Asset Management International Inc. | 4.4% |
| Schedule 13G, 2026-05-12 | State Street Corporation | 8.2% |
| Schedule 13G, 2026-04-29 | Vanguard Portfolio Management | 8.13% |
| Schedule 13G/A, 2026-04-24 | Blackrock, Inc. | 14.8% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G, 2026-02-17 | Nomura Asset Management International Inc. | 5.6% |
| Schedule 13G/A, 2026-02-13 | Macquarie Group Limited | 0% |
| Schedule 13G, 2025-11-12 | Barrow Hanley Mewhinney & Strauss LLC | 4.77% |
| Schedule 13G, 2025-08-12 | Barrow Hanley Mewhinney & Strauss LLC | 5.39% |
Questions about who owns Kaiser Aluminum Corp
Who owns Kaiser Aluminum Corp?
On this page, 4 holders' latest ownership filings report 5% or more of Kaiser Aluminum Corp: Blackrock, Inc. (14.8%, Schedule 13G/A, filed 2026-04-24), Vanguard Portfolio Management (9.52%, Schedule 13G/A, filed 2026-10-30), State Street Corporation (8.2%, Schedule 13G, filed 2026-05-12) and Vanguard Capital Management (5.1%, Schedule 13G, filed 2026-07-31).
Who are the largest shareholders of Kaiser Aluminum Corp?
By the share each holder's latest filing reports, the largest holders of Kaiser Aluminum Corp on this page are Blackrock, Inc. (14.8%), Vanguard Portfolio Management (9.52%) and State Street Corporation (8.2%).
When did Blackrock, Inc. buy into Kaiser Aluminum Corp?
The filings give report dates, not purchase dates. The earliest filing from Blackrock, Inc. on this page is the Schedule 13G/A, filed 2026-04-24, reporting 14.8%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 12 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC
A Full Report on Kaiser Aluminum Corp: verified, sourced, every claim cited, ready in a few minutes. See pricing.
What the Full Report on Kaiser Aluminum Corp covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
19 cited sources found
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-08-17 | Fred Stephan | Chief Executive Officer | appointed | 2026-11-01 |
| Form 8-K, 2026-08-17 | Fred Stephan | Director | appointed |
Which insiders own Kaiser Aluminum Corp shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , the chief executive and president: 94,308 shares (0.58% of shares outstanding) (Form 4, 2026-05-01).
- , the executive vice president - manufacturing: 42,770 shares (0.26% of shares outstanding) (Form 4, 2025-08-14).
- , the chief executive and president: 41,686 shares (0.25% of shares outstanding) (Form 4, 2026-11-03).
- , the chief financial officer and executive vice president: 37,481 shares (0.23% of shares outstanding), 18,390 held directly and 19,091 indirectly (Form 4, 2026-04-29).
- , the general counsel and executive vice president: 28,200 shares (0.17% of shares outstanding) (Form 4, 2026-04-29).
Shares outstanding: 16,349,886 as of 2026-10-19, from the company's latest SEC cover page.
How much has Kaiser Aluminum Corp raised?
No fundraising or offering filing from Kaiser Aluminum Corp is on file with us.
Keep reading
More on Kaiser Aluminum Corp and the records around it.
Kaiser Aluminum Corp elsewhere on the record
- 5%+ stake filings Oct 2026
- Leadership changes Aug 2026
Companies that share a holder
- NOMURA ASSET MANAGEMENT INTERNATIONAL INC. also filed stake reports on 7 other companies: ARTIVION, INC. (Aug 2026), IMAX CORP (Aug 2026), MALIBU BOATS, INC. (Aug 2026)
- BARROW HANLEY MEWHINNEY & STRAUSS LLC also filed stake reports on 12 other companies: Axalta Coating Systems Ltd (Aug 2026), Ichor Holdings (Aug 2026), Warner Music Group Corp (Aug 2026)
- Macquarie Group Limited also filed stake reports on 14 other companies: Artivion Inc (Feb 2026), Imax Corp (Feb 2026), Malibu Boats Inc (Feb 2026)
Related pages
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