Kaiser Aluminum Corp stock (US4834971025): Third Avenue Management cuts stake by 65%

Third Avenue Management reduced its Kaiser Aluminum Corp. (KALU) position by 65% in Q1 2026, selling 55,482 shares amid a stock rise of 28% over three months, per GuruFocus data.

Third Avenue Management significantly trimmed its stake in Kaiser Aluminum Corp. by 55,482 shares in the first quarter of 2026, marking a 65% reduction in its holdings and a -1.16% portfolio impact. The stock traded at an average price of $126.61 during the quarter, delivering a 28.38% return over the past three months and 57.87% year-to-date, GuruFocus as of May 2026.

As of: 14.05.2026

By the editorial team – specialized in equity coverage.

At a glance

• Name: Kaiser Aluminum Corporation
• Sector/industry: Materials / Aluminum
• Headquarters/country: United States
• Core markets: Aerospace, automotive, general engineering
• Key revenue drivers: Aerospace products, extrusions
• Home exchange/listing venue: Nasdaq (KALU)
• Trading currency: USD

Kaiser Aluminum Corp: core business model

Kaiser Aluminum Corp produces and sells semi-fabricated aluminum sheet, plate, rod, bar, tube and extruded products primarily to customers in aerospace, automotive and general engineering sectors. The company operates production facilities in the US, focusing on value-added aluminum products. Its business model emphasizes engineered solutions for high-demand industries, with a strong emphasis on aerospace components that represent a significant revenue portion, according to the company's investor relations site investors.kaiseraluminum.com as of 2026.

Main revenue and product drivers for Kaiser Aluminum Corp

Aerospace and high-strength products drive over half of Kaiser Aluminum Corp's revenues, followed by general engineering extrusions and automotive components. The firm benefits from long-term contracts in defense and commercial aviation, providing revenue stability amid cyclical metal markets. Recent data shows the stock's strength, with a $179.42 price noted in competitor comparisons on NYSE peers, Investing.com as of May 2026.

Industry trends and competitive position

The US aluminum sector faces supply chain pressures but gains from aerospace recovery post-pandemic. Kaiser Aluminum Corp holds a niche in specialty alloys, competing with Alcoa and others. Its focus on US manufacturing supports relevance for American investors tracking domestic materials exposure.

Why Kaiser Aluminum Corp matters for US investors

Listed on Nasdaq as KALU, Kaiser Aluminum Corp offers US investors direct play on aerospace and defense spending, key to the US economy. With facilities stateside, it aligns with onshoring trends and benefits from government contracts, providing a hedge against broader industrial cycles.

Conclusion

Third Avenue Management's 65% stake reduction in Kaiser Aluminum Corp during Q1 2026 coincides with strong stock performance, highlighting shifts in institutional positioning. The company's aerospace focus positions it well in key US markets, though metal price volatility remains a factor. Investors monitor upcoming earnings for further insights into demand trends.

Disclaimer: This article does not constitute investment advice. Stocks are volatile financial instruments.