Lifecycle: { "status": "open/upcoming deadline", "edition": "2026", "cadence": "annual, third Wednesday of October", "duration": "48-month award window with 24 supported months", "renewable": false, "dates": { "deadline": "2026-10-21T17:00:00 local", "award": "2027-04 expected", "start_window": "2027-06-01 through 2027-10-01" } } Funding and benefits: { "amount": { "total": 190000, "currency": "USD", "scope": "per fellowship under NSF 23-603" }, "total_pool": { "amount": 8500000, "currency": "USD" }, "benefits": [ "stipend", "research allowance", "benefit allowance", "up to two months paid family/parental leave" ] } Eligibility and filters: { "citizenship": "US citizen, national, or permanent resident", "residence": null, "age": null, "applicant_type": "individual", "education": "doctorate before start; held no more than two years as of January 1 of award year", "experience": "early postdoctoral", "fields": [ "mathematics", "statistics", "applications to other disciplines" ], "institution": "eligible host and sponsoring scientist; international host allowed", "language": "English proposal", "location": "host institution", "remote": false, "route": "individual Research.gov proposal", "exclusions": [ "prior NSF PI/co-PI except specified graduate/conference awards", "duplicate NSF research plan", "prior MSPRF offer", "more than one proposal per year" ] } Application: { "opens": null, "deadline": "2026-10-21T17:00:00 local", "decision": "award anticipated April 2027", "start": "2027-06-01 to 2027-10-01", "end": null, "url": "https://www.nsf.gov/funding/opportunities/msprf-mathematical-sciences-postdoctoral-research-fellowships/nsf23-603/solicitation", "materials": [ "research and training plan", "sponsoring scientist statement", "reference letters", "biosketch", "host information" ], "selection_stages": [ "compliance", "external merit review", "NSF decision" ] } Past editions and people: { "people": { "program_leaders": [ "Stefaan G. De Winter", "Wing Suet Li", "Hailiang Liu", "Tapabrata Maiti", "Ludmil Zikatanov" ], "latest_recipients": [], "past_recipients": [], "coverage": "official NSF award-search link available; recipient extraction pending" }, "history": { "launched": null, "editions": [ { "year": 2026, "estimated_awards": [ 35, 45 ] } ], "statistics": [ "Current solicitation replaces NSF 22-619" ] } } Known evidence gaps: [ "current awardee roster", "component-level split of the USD 190,000 in rendered page" ] Source conflicts: []