Active: new fund Sep 2025 Verified 4 Nov 2026
S3 Ventures
Venture firm founded in 2005, backed by a single limited partner, that invests nationwide and describes itself as born in Texas.
- Type
- VC firm
- Location
- Austin, Texas, United States
- Stages
- Seed, Series A, Series B
- Backs
- Medtech and digital health, B2B software, Hardware
- Sectors
- Healthtech and life sciences, Devtools
- Fund size / AUM
- $150M S3 Ventures Fund VII (Form D amount sold, 2022)
- Latest fund or filing
- 30 Sep 2025
- Portfolio mix
- Medtech and digital health 50%; B2B software 25%; Hardware 12%; Consumer products 6%; Marketplaces 6% (n=16)
- Website
- s3vc.com
Fund filings (SEC Form D)
- Latest fund on file
- S3 Ventures Fund VIII
- Filed
- 30 Sep 2025 (new notice)
- Fund size
- Not disclosed on the filing
See this fund's filings on SEC EDGAR
Contacts on file
For S3 Ventures, the paid file holds: 1 named decision-maker with roles.
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Notable investments
UTERINE FIBROID TREATMENTDRUG-COATED BALLOON (DCB)INTERATRIAL SHUNT THERAPYPREDICTIVE DEVOPS ANALYTICSCLOUD DISASTER RECOVERY
Sources
- www.sec.gov/Archives/edgar/data/2088147/000147083125000241/
- www.s3vc.com/
- www.sec.gov/Archives/edgar/data/1908449/000190844922000001/
Last checked 4 Nov 2026. Is something wrong? Tell us.
Appears in 58 lists
Series A investors in Texas (15)Series B developer tools investors in the US (21)Healthtech investors in Austin (23)Medtech investors in Texas (25)Seed investors in Austin (27)Series B developer tools investors (27)SaaS investors in Austin (27)Series B hardware investors in the US (28)Series B hardware investors (34)Series B medtech investors in the US (36)Healthtech investors in Texas (42)SaaS investors in Texas (47)Seed investors in Texas (49)Series A developer tools investors in the US (50)Series B medtech investors (57)Series A hardware investors in the US (61)Series A developer tools investors (67)Series B healthtech investors in the US (69)Series A medtech investors in the US (76)Series A hardware investors (82)Venture capital firms in Austin (95)Series B SaaS investors in the US (108)Seed developer tools investors in the US (114)Series A medtech investors (125)Seed developer tools investors (140)Series B healthtech investors (160)Series A healthtech investors in the US (164)Series B investors in the US (165)Seed hardware investors in the US (176)Developer tools venture capital firms in the US (177)Venture capital firms in Texas (181)Series B SaaS investors (196)Seed medtech investors in the US (205)Developer tools investors (216)Seed hardware investors (225)Series A SaaS investors in the US (256)Hardware venture capital firms in the US (272)Seed medtech investors (278)Hardware investors (333)Series B investors (339)Medtech venture capital firms in the US (350)Series A investors in the US (372)Series A healthtech investors (401)Seed healthtech investors in the US (437)Medtech investors (457)Series A SaaS investors (475)Seed SaaS investors in the US (666)Healthtech venture capital firms in the US (709)Seed healthtech investors (800)Series A investors (864)Seed SaaS investors (1,010)Seed investors in the US (1,043)SaaS venture capital firms in the US (1,049)Healthtech investors (1,207)SaaS investors (1,529)Active venture capital firms in the US (1,574)Seed investors (1,892)Venture capital firms in the US (2,975)