Kaiser Aluminum Corporation (KALU)
Basic Materials
Aluminum
159.70 $
+0.0%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns Kaiser Aluminum Corporation (KALU)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 97.8% of the shares are freely tradable; institutional investors hold 100.8%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
100.8%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
1.4%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
97.8%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
5.6%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
16Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 17.40 | 2,842,894 | -5.1 | 03/31/2026 |
| Vanguard Group Inc | 12.96 | 2,117,791 | +0.3 | 12/31/2025 |
| State Street Corp | 8.16 | 1,332,923 | +38.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 8.01 | 1,308,750 | +0.0 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 5.01 | 818,314 | -1.6 | 03/31/2026 |
| Delaware Management Holdings Inc | 4.37 | 714,176 | -21.3 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.10 | 669,768 | +0.0 | 03/31/2026 |
| Barrow Hanley Mewhinney & Strauss LLC | 3.25 | 530,671 | -5.9 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.97 | 974,849 | +0.0 | 05/29/2026 |
| Stt Strt®SPDR®S&P®Mtls &MngETF | 4.12 | 673,406 | +0.0 | 05/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.