# S3 Ventures' Investments in United States: 40 Startups by Sector (2026) > The 40 startups in the United States that S3 Ventures has backed, by sector: AI, Fintech and Healthtech and more. $1.7B raised. Updated nightly. Source: https://millionrounds.com/portfolio-maps/s3-ventures-investments-united-states (Millionrounds; every figure on the page links to its filing or article) ## AI 8 - [Vendelux](https://millionrounds.com/company/vendelux) - [DataBahn](https://millionrounds.com/company/databahn) - [Boom](https://millionrounds.com/company/boom) - [Buzz Solutions](https://millionrounds.com/company/buzz-solutions) - [Cloverleaf AI](https://millionrounds.com/company/cloverleaf-ai) - [KamiwazaAI](https://millionrounds.com/company/kamiwazaai) - [Schematic](https://millionrounds.com/company/schematic) - [TensorStax](https://millionrounds.com/company/tensorstax) ## Fintech 6 - [UpEquity](https://millionrounds.com/company/upequity) - [Alkami](https://millionrounds.com/company/alkami) - [Levelset](https://millionrounds.com/company/levelset) - [Avtal](https://millionrounds.com/company/avtal) - [Opine](https://millionrounds.com/company/opine) - [Nestimate](https://millionrounds.com/company/nestimate) ## Healthtech 5 - [Advanced NanoTherapies](https://millionrounds.com/company/advanced-nanotherapies) - [BrainCheck](https://millionrounds.com/company/braincheck) - [TVA Medical](https://millionrounds.com/company/tva-medical) - [Saranas](https://millionrounds.com/company/saranas) - [Ictero Medical](https://millionrounds.com/company/ictero-medical) ## Biotech 4 - [Alleviant Medical](https://millionrounds.com/company/alleviant-medical) - [*MM* Medical Microinstruments](https://millionrounds.com/company/medical-microinstruments) - [Venture Med Group](https://millionrounds.com/company/venture-med-group) - [QbDVision](https://millionrounds.com/company/qbdvision) ## B2B 4 - [Stellar](https://millionrounds.com/company/stellar) - [Prokeep](https://millionrounds.com/company/prokeep) - [Arpio](https://millionrounds.com/company/arpio) - [Civic Eagle](https://millionrounds.com/company/civic-eagle) ## Professional Services 3 - [CereTax](https://millionrounds.com/company/ceretax) - [Sudozi](https://millionrounds.com/company/sudozi) - [Sumatra](https://millionrounds.com/company/sumatra) ## IT Services 2 - [Iconixx Software](https://millionrounds.com/company/iconixx-software) - [Mavvrik](https://millionrounds.com/company/mavvrik) ## Construction 2 - [Hydrolix](https://millionrounds.com/company/hydrolix) - [Buildforce](https://millionrounds.com/company/buildforce) ## Media 2 - [Invodo](https://millionrounds.com/company/invodo) - [Plural](https://millionrounds.com/company/plural) ## Industry 4.0 2 - [Vuv Analytics](https://millionrounds.com/company/vuv-analytics) - [LeanDNA](https://millionrounds.com/company/leandna) ## Software 2 - [Pivot3](https://millionrounds.com/company/pivot3) - [BlueCava](https://millionrounds.com/company/bluecava) ## Segment by segment ### AI 8 startups · $217M raised - [**Vendelux**](https://millionrounds.com/company/vendelux) Vendelux is a New York-based AI-powered event intelligence platform designed for B2B event marketers and organizers. United States $64M - [**DataBahn**](https://millionrounds.com/company/databahn) DataBahn is an AI-native data pipeline and fabric platform based in Plano, Texas. United States $57M - [**Boom**](https://millionrounds.com/company/boom) Boom is a key player in the emerging Social+NFT revolution that will form an important pillar of the incoming metaverse. United States $40M - [**Buzz Solutions**](https://millionrounds.com/company/buzz-solutions) Buzz Solutions specializes in visual intelligence solutions aimed at inspecting, maintaining, and securing energy infrastructure. United States $25M - [**Cloverleaf AI**](https://millionrounds.com/company/cloverleaf-ai) Cloverleaf AI is a Denver-based GovTech and B2G sales intelligence company founded in 2021. United States $11M - [**KamiwazaAI**](https://millionrounds.com/company/kamiwazaai) KamiwazaAI is a Colorado-based enterprise software company founded in 2023 by Luke Norris and Matt Wallace. United States $8.5M - [**Schematic**](https://millionrounds.com/company/schematic) Schematic is a platform designed for B2B SaaS applications, focusing on feature management and subscription management. United States $6.5M - [**TensorStax**](https://millionrounds.com/company/tensorstax) TensorStax is a SaaS company that offers autonomous AI for data engineering services. United States $5.3M ### Fintech 6 startups · $388M raised - [**UpEquity**](https://millionrounds.com/company/upequity) UpEquity is a tech-enabled mortgage platform. United States $200M - [**Alkami**](https://millionrounds.com/company/alkami) Alkami is a software development company that specializes in website design and development, consulting, and project management. United States $125M - [**Levelset**](https://millionrounds.com/company/levelset) Levelset is a platform that helps contractors get paid faster and more efficiently. United States $30M - [**Avtal**](https://millionrounds.com/company/avtal) Avtal is a fintech and SaaS company based in Austin, Texas, founded in 2023. United States $24M - [**Opine**](https://millionrounds.com/company/opine) Opine offers a real-time opinion analytics platform for live events, enhancing audience engagement and data collection. United States $5.5M - [**Nestimate**](https://millionrounds.com/company/nestimate) Nestimate is a fintech and insurtech startup based in Lincoln, Nebraska, founded in 2022. United States $3.0M ### Healthtech 5 startups · $115M raised - [**Advanced NanoTherapies**](https://millionrounds.com/company/advanced-nanotherapies) Advanced NanoTherapies is a clinical-stage medical device startup based in Los Gatos, California. United States $31M - [**BrainCheck**](https://millionrounds.com/company/braincheck) BrainCheck is a digital health technology company founded between 2014 and 2015, based in Austin, Texas. United States $28M - [**TVA Medical**](https://millionrounds.com/company/tva-medical) TVA Medical is a medical device company developing innovative, minimally invasive therapies for the treatment of end stage renal disease. United States $27M - [**Saranas**](https://millionrounds.com/company/saranas) Saranas, Inc. United States $27M - [**Ictero Medical**](https://millionrounds.com/company/ictero-medical) Ictero Medical is a medical technology company based in the Texas Medical Center, focused on addressing clinical needs in gallston United States $2.8M ### Biotech 4 startups · $356M raised - [**Alleviant Medical**](https://millionrounds.com/company/alleviant-medical) Alleviant Medical is a medical device company based in Austin, Texas, founded in 2017. United States $165M - [*MM* **Medical Microinstruments**](https://millionrounds.com/company/medical-microinstruments) United States $150M - [**Venture Med Group**](https://millionrounds.com/company/venture-med-group) VMG designs, develops which enable interventionalists to cost effectively treat peripheral artery diseases. United States $28M - [**QbDVision**](https://millionrounds.com/company/qbdvision) QbDVision is a leading Digital CMC (Chemistry, Manufacturing, and Controls) platform tailored for pharmaceutical and biotech manuf United States $13M ### B2B 4 startups · $85M raised - [**Stellar**](https://millionrounds.com/company/stellar) A marketplace built for excess, Stellar allows consumers convenient access to goods, services and experiences that may otherwise go unused. United States $34M - [**Prokeep**](https://millionrounds.com/company/prokeep) Prokeep Inc. United States $25M - [**Arpio**](https://millionrounds.com/company/arpio) Arpio, Inc. United States $16M - [**Civic Eagle**](https://millionrounds.com/company/civic-eagle) Civic Eagle develops software that helps companies discover and analyze legislation and regulations with no manual work. United States $10M ### Professional Services 3 startups · $14M raised - [**CereTax**](https://millionrounds.com/company/ceretax) CereTax is here to show tax managers, tax directors. United States $7.9M - [**Sudozi**](https://millionrounds.com/company/sudozi) Sudozi is a real-time platform that track, collaborate, budget, and approve budget management and vendor management workflow. United States $4.3M - [**Sumatra**](https://millionrounds.com/company/sumatra) Sumatra is an AI and data platform company based in Austin, Texas, founded in 2019. United States $1.5M ### IT Services 2 startups · $30M raised - [**Iconixx Software**](https://millionrounds.com/company/iconixx-software) Iconixx Software is a technology provider based in Austin, Texas, specializing in Sales Performance Management (SPM) and Incentive United States $24M - [**Mavvrik**](https://millionrounds.com/company/mavvrik) Mavvrik is a unified platform to manage Cloud, On-Prem, AI, and SaaS costs United States $6.2M ### Construction 2 startups · $98M raised - [**Hydrolix**](https://millionrounds.com/company/hydrolix) Hydrolix is a Portland, Oregon-based company that offers a real-time data platform and streaming data lake designed for managing l United States $80M - [**Buildforce**](https://millionrounds.com/company/buildforce) Buildforce is a marketplace and career lifecycle platform for people in the construction trades United States $18M ### Media 2 startups · $20M raised - [**Invodo**](https://millionrounds.com/company/invodo) Invodo is a video commerce company founded in 2007, specializing in creating and distributing high-quality product videos, imagery United States $10M - [**Plural**](https://millionrounds.com/company/plural) United States $10M ### Industry 4.0 2 startups · $55M raised - [**Vuv Analytics**](https://millionrounds.com/company/vuv-analytics) VUV Analytics develops vacuum ultraviolet optical technologies available for use in the life and environmental sciences. United States $36M - [**LeanDNA**](https://millionrounds.com/company/leandna) LeanDNA, officially known as Leandna, Inc., is a software-as-a-service (SaaS) provider based in Austin, Texas. United States $20M ### Software 2 startups · $294M raised - [**Pivot3**](https://millionrounds.com/company/pivot3) Pivot3 provides easy to use and efficient solutions that are designed to meet the performance, scale, and resiliency requirements United States $229M - [**BlueCava**](https://millionrounds.com/company/bluecava) BlueCava is a fast growing provider of cross screen reach, targeting and measurement products for brands, advertisers, data compan United States $65M **How this map is made.** Every startup here has raised money in a round we track that names S3 Ventures as an investor and is based in United States. Each sits under its main sector, read from its rounds, and each shows its best-funded first. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Portfolio map **S3 Ventures portfolio map** 32 startups · $1.5B](https://millionrounds.com/portfolio-maps/s3-ventures-portfolio-map)[Investments abroad **Index Ventures' investments in the United States** 217 startups · $50B](https://millionrounds.com/portfolio-maps/index-ventures-investments-united-states)[Investments abroad **Bossa Invest's investments in the United States** 161 startups · $6.5B](https://millionrounds.com/portfolio-maps/bossa-invest-investments-united-states)[Investments abroad **Village Global's investments in the United States** 127 startups · $6.5B](https://millionrounds.com/portfolio-maps/village-global-investments-united-states)[Investments abroad **True Ventures' investments in the United States** 126 startups · $5.3B](https://millionrounds.com/portfolio-maps/true-ventures-2-investments-united-states)[Investments abroad **Y Combinator's investments in the United Kingdom** 117 startups · $4.4B](https://millionrounds.com/portfolio-maps/y-combinator-investments-united-kingdom) ## Raising from investors like S3 Ventures? 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