Recently Funded Startups in Waltham
Updated Sep 2026
FundedIQ holds 74 funded startups in Waltham and keeps their funding rounds, amounts, investors, industries, locations and company details up to date. This page provides an overview of the startup funding landscape in Waltham, along with the 74 most recently funded startups there.
Biotechnology, Hardware and Health Care hold the most companies by sector. Startups in Waltham closed 36 funding rounds over the last 24 months, 21 of them in the last 12 months, and raised $4.0B in disclosed capital. The median disclosed round is $45M, with the middle half of rounds falling between $10M and $125M.
Waltham startups concentrate in later stages. Series B and Private Equity firms dominate, meaning the segment contains established operations with significant staff. This concentration creates a high density of scaled companies. Sourcing efforts find mature teams rather than early experiments. These businesses have moved beyond initial seed phases into expansion and professionalization.
Waltham funded startup statistics
Most recent funding round on record: Jul 2026.
74 most recently funded startups in Waltham
74 shownOrdered by the date of the latest funding round. Each row gives the company, its location and industry, what it does, the stage and date of that round, and the disclosed amount.
Waltham startup funding trends
Funding activity
Startups in Waltham closed 36 funding rounds over the last 24 months, 21 of them in the last 12, adding up to $4.0B in disclosed capital.
Round sizes
The median disclosed round is $45M, with the middle half running from $10M to $125M. 33 of 36 rounds disclosed an amount.
Sectors
Biotechnology, Hardware and Health Care hold the most companies, led by Biotechnology at 39. The most common headcount band across the segment is 11-50.
Industries with the most funded startups in Waltham
Sector counts across all 74 tracked companies in Waltham. A company assigned more than one industry is counted in each.
Funding stages in Waltham
How the last 24 months of funding rounds for funded startups in Waltham break down by stage.
A further 23 rounds in this period were announced without a stage label and are not ranked above.
About the FundedIQ Waltham startup funding data
FundedIQ tracks announced startup funding rounds and organises them by company, funding date, stage, amount, industry, location and investor. The dataset is refreshed weekly, and new rounds are normalised and de-duplicated before they are published, so the same round reported twice on different dates is recorded once.
Figures on this page cover the 74 funded startups in Waltham currently tracked. Round counts, capital totals and the median round are computed over a trailing 24 months. Rounds whose amount was not disclosed (3 of 36 in that period) are counted as rounds but excluded from capital totals and from the median. The most recent round on record for funded startups in Waltham is dated Jul 2026.
The table above shows the 74 most recently funded companies. Full funding histories, investor lists and founder contacts across the whole dataset open on a FundedIQ plan.
Frequently asked questions
How many funded startups are there in Waltham?
FundedIQ tracks 74 funded startups in Waltham. This page lists the 74 most recently funded of them, ordered by the date of their latest round, and the full set is available on a FundedIQ plan.
How much funding have startups in Waltham raised?
Startups in Waltham tracked by FundedIQ have raised $4.0B in disclosed capital across 36 funding rounds over the last 24 months, including 21 rounds in the last 12 months. 33 of those 36 rounds disclosed an amount; undisclosed rounds are excluded from the capital total.
What industries have the most funded startups in Waltham?
Biotechnology has the most, with 39 companies, followed by Hardware (7), Health Care (7) and Consumer Electronics (4). Sector counts include every company assigned that industry, and a company can carry more than one.
What is a typical funding round size for startups in Waltham?
The median disclosed round over the last 24 months is $45M, and the middle half of rounds fall between $10M and $125M. Round sizes vary widely by stage, so the seed and later-stage bands sit well either side of that figure.
What is the most common funding stage for startups in Waltham?
Series B is the most common labelled stage, with 5 rounds in the last 24 months, ahead of Private Equity (2) and Series A (2). A further 23 rounds were announced without a stage label and are not counted here.
How often is the Waltham startup funding data updated?
The dataset is refreshed weekly. New rounds are normalised and de-duplicated before they are published, and the most recent round currently on record for funded startups in Waltham is dated Jul 2026. Counts and totals on this page are recomputed on every refresh.
Related listings
Know who just raised. Then know who to reach.
Every newly funded startup with its round, its investors and its founders: delivered weekly by email, or searchable in the app.
Alerts from $19/mo · Pro from $99/mo. Card required, nothing charged until day 15, and we email you 3 days before that.