Mathematical Sciences Postdoctoral Research Fellowships

Opportunity snapshot. This Grants.gov announcement — Mathematical Sciences Postdoctoral Research Fellowships — is cataloged under number 23-603 and tied to CFDA assistance listing 47.049, posted by U.S. National Science Foundation. Grants.gov currently shows the opportunity as open, first posted on July 14, 2023 and last updated on October 23, 2025. The funding category is Discretionary, delivered as a grant.

Award economics. The award range on file is $190,000 or more. The agency has projected $8.5 million in total estimated funding for this announcement. It expects to issue 45 awards. If the agency funds the expected 45 awards from the $8.5 million estimated pool, the average award works out to roughly $189,000. Cost sharing is not required, so applicants do not need to commit matching funds to be competitive on this opportunity. Federal award ranges are often upper bounds; actual allocations reflect program appropriations, the strength of the applicant pool, and the evaluation committee's scoring.

Deadline and action path. Applications close on October 21, 2026 — roughly 138 days from today. Every Grants.gov submission requires an active SAM.gov registration and a Unique Entity ID. Review the Eligibility section below carefully — federal eligibility categories (nonprofit, state or local government, tribal, individual, educational institution, small business) have distinct registration and reporting requirements. Pre-application outreach to the listed agency contact is permitted and often welcomed — it helps clarify scope and scoring priorities.