Recently Funded Series Unknown Startups in the United States
Updated Sep 2026
FundedIQ tracks 10,966 funded Series Unknown startups in the United States (US), with their funding rounds, amounts, investors, industries, locations and company details. This page provides an overview of the Series Unknown startup funding landscape in the United States, along with the 100 most recently funded Series Unknown startups in the United States.
Series Unknown startups in the United States closed 6,229 funding rounds over the last 24 months, 3,211 of them in the last 12 months, and raised $338B in disclosed capital. The median disclosed round is $7.7M, with the middle half of rounds falling between $1.5M and $40M. Biotechnology, Financial Services and Health Care hold the most companies by sector. New York and San Francisco hold the deepest concentrations of these companies.
Biotechnology dominates this segment, followed by Financial Services and Health Care. While Artificial Intelligence and Energy also appear, the heavy lean toward life sciences means filters should prioritize technical specifications over general software tags. New York and San Francisco lead the geographic distribution. Most companies fall into small to midsize headcount bands, creating a mix of lean teams and established operations.
Series Unknown funded startup statistics in the United States
Most recent funding round on record: Sep 2026. Investors appearing most often across the United States funding rounds: Alumni Ventures, Y Combinator, National Science Foundation, Gaingels, Andreessen Horowitz.
100 most recently funded Series Unknown startups in the United States
100 of 10,966Ordered 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.
10,866 more funded startups
This page shows the 100 most recent rounds (back to Aug 2026). The full 10,966-company history for this listing opens on a FundedIQ plan.
Unlock all 10,966 companies in this listing: full funding history, investors, and founders.
Series Unknown startup funding trends in the United States
Funding activity
Series Unknown startups in the United States closed 6,229 funding rounds over the last 24 months, 3,211 of them in the last 12, adding up to $338B in disclosed capital.
Round sizes
The median disclosed round is $7.7M, with the middle half running from $1.5M to $40M. 4,662 of 6,229 rounds disclosed an amount.
Sectors
Biotechnology, Financial Services and Health Care hold the most companies, led by Biotechnology at 1,271. The most common headcount band across the segment is 11-50.
Investors
Alumni Ventures, Y Combinator and National Science Foundation appear most often across funded Series Unknown startups in the United States on record.
Industries with the most funded Series Unknown startups in the United States
Sector counts across all 10,966 tracked companies in the United States. A company assigned more than one industry is counted in each.
Where are funded Series Unknown startups located in the United States?
Where funded Series Unknown startups in the United States are based, by the city on the company record.
Funded Series Unknown startups in the United States by state
The states with the most funded startups on record.
Top investors in Series Unknown startups in the United States
The investors named most often across funded Series Unknown startups in the United States.
Counts companies in this segment that name the firm as a backer. Investor names entered the pipeline in July 2026, so they cover the companies funded since.
About the FundedIQ Series Unknown startup funding data in the United States
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 10,966 funded Series Unknown startups in the United States currently tracked. Round counts, capital totals and the median round are computed over a trailing 24 months. Rounds whose amount was not disclosed (1,567 of 6,229 in that period) are counted as rounds but excluded from capital totals and from the median. The most recent round on record for funded Series Unknown startups in the United States is dated Sep 2026.
The table above shows the 100 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 Series Unknown startups are there in the United States?
FundedIQ tracks 10,966 funded Series Unknown startups in the United States. This page lists the 100 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 Series Unknown startups in the United States raised?
Series Unknown startups in the United States tracked by FundedIQ have raised $338B in disclosed capital across 6,229 funding rounds over the last 24 months, including 3,211 rounds in the last 12 months. 4,662 of those 6,229 rounds disclosed an amount; undisclosed rounds are excluded from the capital total.
What industries have the most funded Series Unknown startups in the United States?
Biotechnology has the most, with 1,271 companies, followed by Financial Services (969), Health Care (968) and Artificial Intelligence (937). Sector counts include every company assigned that industry, and a company can carry more than one.
Which cities have the most funded Series Unknown startups in the United States?
New York leads with 967 companies, then San Francisco (608), Los Angeles (257) and Chicago (249).
Which investors back the most Series Unknown startups in the United States?
Alumni Ventures, Y Combinator, National Science Foundation, Gaingels and Andreessen Horowitz appear most often across funded Series Unknown startups in the United States in the FundedIQ dataset. The count is the number of tracked companies naming each firm as a backer, so it reflects the companies on record rather than every deal a firm has ever done.
What is a typical funding round size for Series Unknown startups in the United States?
The median disclosed round over the last 24 months is $7.7M, and the middle half of rounds fall between $1.5M and $40M. Round sizes vary widely by stage, so the seed and later-stage bands sit well either side of that figure.
How often is the Series Unknown startup funding data in the United States 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 Series Unknown startups in the United States is dated Sep 2026. Counts and totals on this page are recomputed on every refresh.
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