MDA Space stock
For investors looking for top growth stocks with sustainable growth potential, MDA space (TSX:MDA) could be worth considering right now. It operates in satellite systems, robotics and space operations, and geo-intelligence segments.
After rising nearly 320% over the past three years, MDA’s stock is currently trading at $26.89 per share with a market cap of approximately $3.4 billion.
In the September 2025 quarter, the company’s revenue rose 45% year-over-year (YoY) to $409.8 million, supported by higher volumes in satellite systems and robotics programs. Similarly, adjusted EBITDA (earnings before interest, taxes, depreciation and amortization) for the quarter rose 49% year-over-year to $82.8 million, while margins remained strong near 20%. MDA’s massive $4.4 billion backlog continues to provide strong revenue visibility beyond 2025.
In the longer term, MDA Space is expected to benefit from major programs such as Telesatellite speed of light, World star‘s next-generation low Earth orbit constellation, and government-supported radar and military satellite initiatives. These factors could ensure that this growth-oriented company’s share price continues to rise.
IAMGOLD shares
Moving from technology to resources, IAMGOLD (TSX:IMG) could add another layer of growth to your portfolio, making it another top Canadian growth stock to buy and hold. Based in Toronto, it is a gold producer with operations in Canada and West Africa.
After rallying 550% over the past three years, IMG shares now trade at $22.58 per share with a market cap of about $13.4 billion. While dividends aren’t the main attraction, the stock continues to show strong momentum.
This growth stock’s recent performance has been supported by improving activity and rising gold prices. The gold miner’s turnover increased in the third quarter climbed 61% year-over-year to $706.7 million, while adjusted EBITDA rose 62% year-over-year to $359.5 million. The ramp-up of the Côté gold mine played a key role in driving these results.
In the longer term, IAMGOLD focuses on strengthening its balance sheet and expanding high-quality assets. Debt reduction, margin improvements and production growth at core projects make this Canadian growth stock even more attractive to hold over the long term.
BlackBerry shares
Completing the list, BlackBerry (TSX:BB) may provide a turnaround-driven angle to buy and hold these top Canadian growth stocks. In short, this Waterloo-based technology company primarily provides secure software and embedded systems through its QNX, secure communications and licensing segments. BB stock is currently trading at $5.31 per share with a market cap of approximately $3.1 billion.
While the stock hasn’t seen much appreciation lately, beneath the surface its financial results have shown consistent improvement. In the third quarter of fiscal 2026 (three months ending November 2025), BlackBerry’s revenue was $141.8 million, which beat expectations. The QNX division achieved its highest quarter of revenue ever, while the Secure Communications segment exceeded both revenue and adjusted EBITDA expectations. As a result, the company delivered its third consecutive profitable quarter and generated operating cash flow of $17.9 million.
From a long-term perspective, BlackBerry’s growth story is tied to the increasing adoption of QNX in the automotive and adjacent industries, along with the recurring demand from governments and businesses for secure communications. Overall, improved profitability and cash flow discipline continue to strengthen the company’s position as one of the best growth stocks to buy in Canada today and hold for years to come.
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