Kaiser Aluminum Corp
KALU- Exchange
- Nasdaq
- Industry
- Rolling Drawing & Extruding of Nonferrous Metals
- SEC CIK
- 0000811596
No open-market purchases or sales by Kaiser Aluminum Corp insiders were filed in the last 90 days; 336 institutions reported holding it in 13F filings for Q2 2026, worth $3.21B in total; ARK Invest is the only superinvestor holding it.
Key figures
- Market capClose on Nov 13, 2026
- $1.77B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +52 vs. previous quarter
- 336
- 13F valueReported value at the end of Q2 2026
- $3.21B
- Superinvestors holdingAt the end of Q2 2026
- 1
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $3.37B
- +11.5% year over year
- Net income, FY2025
- $112.5M
- +140.4% year over year
- Free cash flow, FY2025
- -$25.5M
- No comparable prior period
- Revenue, Q3 FY2026
- $1.21B
- +44.0% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 745.9K
- Shares sold short
- Change
- −240.6K
- −24.4% vs. previous
- Days to cover
- 1.31
- At average daily volume
Superinvestors holding KALU, Q2 2026
Go to the superinvestors tab1 superinvestor reports holding Kaiser Aluminum Corp on Form 13F. Percentages are the stock's share of each portfolio.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Kaiser Aluminum Corp insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 1, 2026 (view filing) | Apr 29 | 2 days | Grimley Richard P.Director | SSaleCommon Stock, par value $0.01 per share | −1.52K | $171.52 | −$261.4K | −25.0%4.58K after | |
| May 1, 2026 (view filing) | Apr 29 | 2 days | Harvey KeithPresident & CEO | SSaleCommon Stock, par value $0.01 per share | −3.03K | $173.13 | −$524.8K | −3.1%94.3K after | |
| Apr 29, 2026 (view filing) | Apr 27 | 2 days | Wilcox BrettDirector | SSaleCommon Stock, par value $0.01 per share | −15.0K | $174.44 | −$2.62M | −60.3%9.89K after | |
| Apr 29, 2026 (view filing) | Apr 27 | 2 days | Donnan John MalcolmEVP, CAO and GC | SSaleCommon Stock, par value $0.01 per share | −2.74K | $178.20 | −$488.8K | −8.5%29.7K after | |
| Apr 29, 2026 (view filing) | Apr 27 | 2 days | Gheorghe IulianSVP - Adv Eng & Innovation | SSaleCommon Stock, par value $0.01 per share | −175 | $174.22 | −$30.5K | −3.8%4.45K after | |
| Apr 29, 2026 (view filing) | Apr 28 | 1 day | West Neal EEVP & CFO | SSaleCommon Stock, par value $0.01 per share | −5.00K | $173.29 | −$866.5K | −20.8%19.1K after | |
| Apr 29, 2026 (view filing) | Apr 27 | 2 days | Harvey KeithPresident & CEO | SSaleCommon Stock, par value $0.01 per share | −47.0K | $175.09 | −$8.23M | −32.6%97.3K after | |
| Feb 25, 2026 (view filing) | Feb 23 | 2 days | Donnan John MalcolmEVP, CAO and GC | SSaleCommon Stock, par value $0.01 per share | −18.5K | $125.08 | −$2.31M | −45.4%22.2K after | |
| Feb 25, 2026 (view filing) | Feb 23 | 2 days | West Neal EEVP & CFO | SSaleCommon Stock, par value $0.01 per share | −5.00K | $121.72 | −$608.6K | −28.1%12.8K after | |
| Nov 10, 2025 (view filing) | Nov 7 | 3 days | Tiffany BlainEVP - Sales & Marketing | SSaleCommon Stock, par value $0.01 per share | −8.66K | $93.92 | −$813.0K | −24.8%26.3K after |
Top 10 13F holders, Q2 2026
See all 336 holdersThe largest institutional positions in Kaiser Aluminum Corp at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 2,870,588 | $561.6M | 0.01% | +27,694+1.0% | Added |
| Vanguard Portfolio Management LLC | 1,413,170 | $276.5M | 0.01% | +104,420+8.0% | Added |
| State Street Corp | 1,317,519 | $257.7M | 0.01% | −15,404−1.2% | Reduced |
| Dimensional Fund Advisors LP | 775,944 | $151.8M | 0.03% | −42,370−5.2% | Reduced |
| Vanguard Capital Management LLC | 707,161 | $138.3M | 0.00% | +37,393+5.6% | Added |
| Nomura Asset Management International Inc. | 679,387 | $132.9M | 0.20% | −34,789−4.9% | Reduced |
| Geode Capital Management, LLC | 471,735 | $92.3M | 0.00% | +67,738+16.8% | Added |
| American Century Companies Inc | 439,923 | $86.1M | 0.04% | −38,873−8.1% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 419,050 | $82.0M | 0.25% | −111,621−21.0% | Reduced |
| Fisher Asset Management, LLC | 352,761 | $69.0M | 0.02% | +48,254+15.8% | Added |
Holders of 5% or more of KALU
See all 4 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Kaiser Aluminum Corp.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 14.80%2.40M shares | −1.30 ppfrom 16.10% | Feb 5, 20253 filings | Apr 24, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G/A | 9.52%1.56M shares | +1.39 ppfrom 8.13% | Apr 29, 20262 filings | Oct 30, 2026 | SEC |
| State Street Corp | 13G | 8.20%1.33M shares | – | Feb 10, 20215 filings | May 12, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.10%833.5K shares | New | Jul 31, 20261 filing | Jul 31, 2026 | SEC |