The National Science Foundation (NSF) is a U.S. federal agency that focuses on funding fundamental research and education across all non-medical fields of science and engineering. Its strategy involves providing non-dilutive funding, primarily through grants, for high-risk, high-reward technical challenges that have the potential for societal benefit and commercialization, particularly in critical and emerging technologies.
33% of their portfolio is in Climate & Energy. Their most common stage is seed (50% of deals). Average disclosed round size is $9.6M (across 6 rounds with reported amounts).
Portfolio
6
Fund Size
—
Top Stage
Seed
Last 12 Mo
0
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
6 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| RRefiberd | Seed | $3.4M | Aug 2023 |
 CB Insights | Unknown | $1.1M | Aug 2015 |
| PPHASE Scientific | Series A | $34M | — |
 Aclarity, Inc. | Seed | $319K | — |
 Mode | Series B | $16M | — |
| TTrash | Seed | $2.5M | — |
Top Co-Investors
Gates Foundation1 shared
Better1 shared
The Schmidt Family Foundation1 shared
Carnegie Mellon University1 shared
GV (Google Ventures)1 shared
NEA (New Enterprise Associates)1 shared
Digital Garage1 shared
Dream Machine1 shared
Last updated: 21 April 2026