Activity not yet confirmed Verified 5 Nov 2026
Fifty Years
Pre-seed and seed venture firm that backs scientists and engineers building deep tech companies in climate, health, compute and space, and runs the free 5050 founder programme, which has a UK edition with ARIA.
- Type
- VC firm
- Location
- United States
- Stages
- Pre-seed, Seed
- Backs
- Biotech and pharma, B2B software, Deep tech
- Sectors
- AI, Biotech, Healthtech and life sciences, Deep tech, Climate and cleantech
- Fund size / AUM
- $90M Fifty Years Fund III (Form D offering, 2021)
- Portfolio mix
- Biotech and pharma 36%; B2B software 18%; Deep tech 14%; Medtech and digital health 14%; Hardware 11%; Climate and energy 4%; Real assets 4% (n=28)
- Website
- fiftyyears.com
Fund filings (SEC Form D)
- Latest fund on file
- Fifty Years Fund V
- Filed
- 27 Mar 2026 (new notice)
- Fund size
- Not disclosed on the filing
- Fund vehicles filed in the last 12 months
- 1 (includes feeder and parallel vehicles)
See this fund's filings on SEC EDGAR
Contacts on file
For Fifty Years, the paid file holds: 8 named decision-makers with roles; LinkedIn page.
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Notable investments
AnthropicCelestialAlemHealthBio.xyz
Sources
- fiftyyears.com/
- fiftyyears.com/team
- fiftyyears.com/companies
- fiftyyears.com/5050
- www.sec.gov/Archives/edgar/data/1856614/000185661421000001/
Last checked 5 Nov 2026. Is something wrong? Tell us.
Appears in 41 lists
Pre-seed biotech investors in the US (81)Pre-seed climate tech investors in the US (84)Pre-seed deep tech investors in the US (114)Pre-seed biotech investors (148)Seed biotech investors in the US (159)Seed climate tech investors in the US (162)Seed deep tech investors in the US (205)Pre-seed healthtech investors in the US (225)Pre-seed climate tech investors (230)Climate tech venture capital firms in the US (256)Biotech venture capital firms in the US (297)Seed biotech investors (300)Pre-seed deep tech investors (316)Deep tech venture capital firms in the US (322)Pre-seed SaaS investors in the US (367)Pre-seed AI investors in the US (403)Pre-seed healthtech investors (408)Seed healthtech investors in the US (437)Seed climate tech investors (458)Biotech investors (484)Pre-seed investors in the US (549)Seed deep tech investors (555)Pre-seed SaaS investors (562)Pre-seed AI investors (633)Climate tech investors (660)Seed SaaS investors in the US (666)Healthtech venture capital firms in the US (709)Seed AI investors in the US (724)Deep tech investors (763)Seed healthtech investors (800)Pre-seed investors (988)Seed SaaS investors (1,010)Seed investors in the US (1,043)SaaS venture capital firms in the US (1,049)Seed AI investors (1,082)AI venture capital firms in the US (1,112)Healthtech investors (1,207)SaaS investors (1,529)AI investors (1,576)Seed investors (1,892)Venture capital firms in the US (2,975)