Simply Wall St has named three founder-led Canadian stocks to watch, led by Xanadu Quantum Technologies (TSX:XNDU). The photonic quantum computer maker reports about $7.2 million from computer services and has a market value of roughly $1.1 billion. Its Inception advanced photonics manufacturing facility is backed by a CAD 195 million federal commitment within a CAD 893 million project. Southern Cross Gold Consolidated (TSX:SXGC) is valued at about CA$2.2 billion. It is working to turn its 100% owned Sunday Creek gold and antimony ground north of Melbourne into a mine. Onex, a Toronto-based private equity group, has a market value near $8.3 billion and a P/E of 12.1x. It gives indirect exposure to founder-led businesses.

Quantum computing stocks moved from niche to mainstream in 2026, as a wave of firms went public through mergers and listings. Several now carry market values in the billions. Infleqtion raised more than $550 million in a February SPAC merger, while Xanadu brought in about $302 million in March. IQM, valued at around $1.9 billion in its SPAC deal, began trading on July 2 as the first European quantum computer maker on a major US exchange. Quantum Computing Inc. holds about $1.3 billion in cash and investments, but its growth has come mainly from acquisitions. SEALSQ, which makes post-quantum security chips, reported $16.3 million in revenue for the first three quarters of 2026, up 65%. Analysts warn of large share price swings.