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National Science Foundation

Government

U.S. independent federal agency promoting science and engineering through research grants, education, and early-stage startup investments.

National Science Foundation was founded in 1950, is headquartered in Alexandria, United States, has 181 recorded investments, and includes 15 companies in its recorded portfolio.

Seed
Computer Science
Mathematics
Physical Sciences
Social Sciences
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Headquarters
Alexandria, United States
Founded
1950
Website
nsf.gov
AUM
$9.0B
Portfolio Companies
15
Total Investments
181
Last Investment
Aug 2026
Geographic Focus
United States

Indexed holds 15 portfolio companies and 181 funding rounds for this investor. The full record is or through the API.

Investment Thesis

Funds fundamental research across non-medical science fields to advance U.S. prosperity and knowledge.

National Science Foundation is a Government firm based in Alexandria, United States. It was founded in 1950. It has made 181 investments, including Trash, CerFlux and Capacitech Energy. Focus areas include Computer Science and Mathematics.

Fund Family

National Science Foundation Phase II

Government · 1 investments

Portfolio15

Co-investors24

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24 co-investors across 31 shared portfolio companies — who they back alongside, and how often they lead.

Venture Capital ×15 · Accelerator ×3 · Corporate VC ×3 · 30 shared rounds

Investment History

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