After a spectacular three-year market rally, for those who’ve been questioning which Canadian shares may carry their momentum into 2026, it might be smart to deal with firms that proceed to execute persistently quarter after quarter. Development shares backed by margin enlargement and rising steerage are likely to outperform the broader market. On this article, I’ll spotlight three high buy-and-hold shares for 2026 that proceed to construct on strong fundamentals.
Celestica inventory
For traders centered on high buy-and-hold shares for 2026, Celestica (TSX:CLS) gives nice visibility with its accelerating progress tied to information heart and synthetic intelligence (AI) infrastructure demand.
As a worldwide supplier of superior know-how options, it primarily focuses on supporting information centre, cloud, communications, and industrial markets. CLS inventory has delivered a strong 2,645% achieve over the previous three years and just lately traded round $421 per share, giving it a market cap of almost $48 billion.
Its current rally has been pushed by rising demand from giant clients constructing AI-focused information centres. Within the third quarter of 2025, the corporate’s income jumped 28% YoY (yr over yr) to US$3.2 billion, beating the excessive finish of its steerage. Its adjusted quarterly earnings climbed to US$1.58 per share with the assistance of higher working leverage and stronger margins within the communications enterprise.
Wanting deeper, Celestica just lately launched a 2026 forecast calling for income of US$16 billion and adjusted earnings of US$8.20 per share. Furthermore, the corporate’s new platform launches, such because the SD6300 storage system, additional strengthen its place in high-density AI environments, making it a extremely enticing inventory to purchase and maintain in 2026 and past.
5N Plus inventory
Transferring from digital infrastructure to superior supplies, 5N Plus (TSX:VNP) is the second inventory on this record of high buy-and-hold shares for 2026. This Saint Laurent-based agency primarily produces specialty semiconductors and efficiency supplies utilized in renewable vitality, area solar energy, and industrial purposes.
Even with a conservative stability sheet, this Canadian progress inventory has benefited from enhancing earnings, surging over 140% final yr. Within the September 2025 quarter, 5N’s income rose 33% YoY to US$104.9 million, marking the strongest quarterly stage in a decade. Equally, its adjusted EBITDA (earnings earlier than curiosity, taxes, depreciation, and amortization) rose 86% to US$29.1 million as demand improved throughout renewable vitality and area markets. Furthermore, pricing energy in bismuth-based merchandise additionally helped raise its margins within the newest quarter.
These strong outcomes inspired 5N to boost its full-year 2025 adjusted EBITDA steerage to US$85-US$90 million. Total, its giant backlog and robust demand visibility make 5N Plus inventory interesting for long-term traders centered on area of interest progress.
Aritzia inventory
Rounding out this record of high buy-and-hold Canadian shares for 2026 is Aritzia (TSX:ATZ) — a consumer-facing firm that continues to shock on the execution entrance. It primarily designs and sells premium attire by way of boutiques and on-line channels throughout North America.
Regardless of financial uncertainties, ATZ inventory concluded 2025 with a strong 120% achieve as its sturdy operations continued to impress traders. Within the second quarter (led to August 2025) of its fiscal 2026, the corporate’s gross sales climbed almost 32% YoY to $812 million, backed by sturdy comparable gross sales and continued enlargement in the USA.
This sturdy momentum will doubtless proceed within the years to return, with Aritzia anticipating continued income progress and secure margins. As well as, the corporate’s deal with boutique enlargement, digital investments, and model energy in the USA helps confidence heading into 2026.
