KALU: Kaiser Aluminum Corp insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-07-31 | New 13G stake | Vanguard Capital Management | 5.10% | SEC |
Institutional ownership (Q2 2026)
335 institutions reported holding $3.15B of Kaiser Aluminum Corp on Form 13F (288 the quarter before). 77 opened a new position and 29 sold out. Shares held by institutions: +4%.
| Largest holders | Shares | Value |
|---|---|---|
| BlackRock, Inc. | 2,870,588 | $561.57M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1,413,170 | $276.46M |
| STATE STREET CORP | 1,317,519 | $257.73M |
| DIMENSIONAL FUND ADVISORS LP | 775,944 | $151.79M |
| VANGUARD CAPITAL MANAGEMENT LLC | 707,161 | $138.34M |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 679,387 | $132.91M |
| GEODE CAPITAL MANAGEMENT, LLC | 471,735 | $92.30M |
| AMERICAN CENTURY COMPANIES INC | 439,923 | $86.06M |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | 419,050 | $81.98M |
| Fisher Asset Management, LLC | 352,761 | $69.01M |
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