Top 5 biggest companies in Massachusetts by market value (2026)

Massachusetts has some heavy hitters when it comes to business. From biotech labs in Boston to major retailers and tech companies across the state, there’s a lot going on here. In this video, we break down five publicly traded companies headquartered in Massachusetts and see how they stack up by market value.

You’ll probably recognize a few of these right away, and a couple might catch you off guard. Either way, it’s a good snapshot of what’s driving the Massachusetts economy right now.

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