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Closes in 12 daysDeadline extended (was Oct 18, 2023)Research announcementOpportunity 23-603

Mathematical Sciences Postdoctoral Research Fellowships (MSPRF)

U.S. National Science Foundation

At a glance

Mathematical Sciences Postdoctoral Research Fellowships (MSPRF) is an open federal grant opportunity from U.S. National Science Foundation. Applications are due October 21, 2026. Individual awards are listed as from $190K, with about 45 awards expected and $8.5M in total estimated funding. Applicant types listed as eligible include others (see notice). Cost sharing is not required. It is funded under Assistance Listing 47.049 (Mathematical and Physical Sciences).

Summary assembled from the official notice's fields. The official notice governs.

Key facts

  1. Jul 14, 2023Posted
  2. Oct 21, 2026Application deadlinenext date
  3. Nov 20, 2026Archived
Posted
Jul 14, 2023
Close date
Oct 21, 2026
Archive date
Nov 20, 2026
Award floor
$190,000
Award ceiling
Not specified
Est. total funding
$8,500,000
Original deadline (extended)
Oct 18, 2023
Expected awards
45
Cost sharing
Not required
Funding instrument
Grant
Opportunity category
Discretionary

Who can apply

  • Others (see notice)

Additional information on eligibility (from the notice)

*Who May Submit Proposals: Proposals may only be submitted by the following: -The Mathematical Sciences Postdoctoral Research Fellowships are awards to individuals, and proposals are submitted directly by the fellowship proposer to NSF. Fellows must affiliate with institutions or organizations (e.g., Institutions of Higher Education (IHEs), government and national laboratories and facilities, privately sponsored nonprofit institutes and museums, and for-profit organizations under certain conditions).  *Who May Serve as PI: An individual is eligible to submit a proposal to this program if all the following criteria are met: Must, at the time of submission, be a U.S. citizen, U.S. national, or a legally admitted permanent resident alien of the United States;  May not have held the doctoral degree more than 2 years as of January 1 of the year of the award; Must propose research in an area of mathematics or statistics; May not have previously been a principal investigator or co-principal investigator of an NSF award (other than a graduate research fellowship or an award in support of a conference or workshop); May not submit a research plan duplicated in another NSF proposal; Must not have previously been offered an award by the MSPRF program; and Must have a doctoral degree conferred before the postdoctoral appointment start date. Proposals that fail to meet the above eligibility requirements will be returned without review. By signing and submitting the proposal, the fellowship candidate is certifying that they meet the eligibility criteria specified in this program solicitation. Willful provision of false information in this request and its supporting documents or in reports required under an ensuing award is a criminal offense (U.S. Code, Title 18, Section 1001).

Also named in the notice's eligibility text
  • Public colleges & universities
  • 501(c)(3) nonprofits
  • Nonprofits without 501(c)(3) status
  • Private colleges & universities
  • For-profit organizations (not small businesses)
Matched from the wording above by GrantsJunction — confirm in the full announcement.

A quick check against the listed applicant types — other requirements in the notice still apply.

Based on the published notice. Review the official notice for complete eligibility requirements.

What it funds

Official synopsis as published by the agency, formatted for readability.

The purpose of the Mathematical Sciences Postdoctoral Research Fellowships (MSPRF) is to support future leaders in mathematics and statistics by facilitating their participation in postdoctoral research environments that will have maximal impact on their future scientific development. There are two options for awardees: Research Fellowship and Research Instructorship. Awards will support research in areas of mathematics and statistics, including applications to other disciplines.

Additional information from the agency ↗

How to apply

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Assistance Listing

What is an ALN?

Reported obligations under ALN 47.049

Historical data · not a prediction
FY24$1.54B
FY25$1.54B
FY26$512M est.
Source: SAM.gov Assistance Listing 47.049. Program-wide totals, not awards from this specific opportunity.

Agency contact (as published)

U.S. National Science Foundation
grantsgovsupport@nsf.gov
703-292-4203

Quick answers

When is the deadline for “Mathematical Sciences Postdoctoral Research Fellowships (MSPRF)”?

According to the official notice, applications are due October 21, 2026. Confirm the deadline and submission time on Grants.gov before applying.

Who is eligible to apply for “Mathematical Sciences Postdoctoral Research Fellowships (MSPRF)”?

The official notice lists these applicant types as eligible: Others (see notice). Additional restrictions may apply; review the full notice.

How much funding is available through “Mathematical Sciences Postdoctoral Research Fellowships (MSPRF)”?

Per the notice, individual awards are listed as from $190k, total estimated program funding is $8,500,000 and the agency expects to make about 45 awards.

How do I apply for “Mathematical Sciences Postdoctoral Research Fellowships (MSPRF)”?

Applications are submitted through the official source, not through GrantsJunction. Open the official notice on Grants.gov (opportunity 23-603), and review the full announcement and application package. Organizations applying through Grants.gov generally need an active SAM.gov registration and a Grants.gov account, which can take several weeks to set up.

Matched on shared Assistance Listings, agency, categories and eligible applicant types.

Closes in 5 daysResearchALN 47.049

Mathematical Biology

U.S. National Science Foundation
Award range
Amount not specified
Closes
Oct 14, 2026
Who can apply
Unrestricted (any entity type)
Source: Grants.govVerified today
OpenDeadline extendedResearchALN 47.049

Applied Mathematics

U.S. National Science Foundation
Award range
Amount not specified
Closes
Nov 16, 2026
Who can apply
Unrestricted (any entity type)
Source: Grants.govVerified today
OpenDeadline extendedResearchALN 47.049

Computational Mathematics

U.S. National Science Foundation
Award range
$1 – $1.2M
Closes
Dec 1, 2026
Who can apply
Unrestricted (any entity type)
Source: Grants.govVerified today