Boston, anchored by MIT and Harvard, is a global leader in biotech and deep tech, with a deep bench of enterprise-software and life-sciences companies spun out of its research institutions.
A curated list of companies headquartered in Boston, spanning the sectors that define its ecosystem. Each links to the company; where we hold their pitch deck, it's linked too.
Valuations are approximate, drawn from the most recent reported figures as of Sep 2026.
Most funded in Boston
By total disclosed across the period, one row per company. Combine filters to narrow — "Recently funded" plus "Hiring now" is who just raised and is actively recruiting.
No companies match this combination — clear a filter to widen it.
Filter definitions — Hiring now: open roles on the company's public job board as of Sep 5, 2026.
Hiring remote: that board lists remote or distributed roles.
Recently funded: a Form D filed in the trailing twelve months.
$100M+/$500M+: cumulative disclosed amount across all offerings.
Repeat raisers: more than one offering on file.
Up-and-coming: incorporated within the last four years and recently funded — incorporation year is disclosed by roughly half of filers, so this undercounts.