Sector portfolio · VC firm · United States
Tau Ventures' AI portfolio
Tau Ventures has backed 22 AI startups in rounds we track, $1.0B between them, shown by the stage each has reached. The best-funded is Assort Health.
Funding by segment
- Pre-seed and seed$85M10
- Stage not reported$58M4
- Series A$93M3
- Series C and later$697M3
- Series B$102M2
Where they are based
- United States21$994M
- Canada1$41M
United States
CanadaFounded
2 without a founding year on record.
Total raised
- Under $1M1
- $1M to $10M8
- $10M to $50M9
- $50M to $250M4
- $250M to $1B0
- $1B and over0
Each dot is a startup: the year it was founded across, the total it has raised up (each line is ten times the one below). Pick a segment to pick it out.
20 of 22 startups shown; the rest have no founding year or amount on record.
- 1 to 2
- 3 to 7
- 8 to 24
- 25 to 99
- 100 and more
- United States21
- Canada1
Startups by country, 2 countries in all.
Segment by segment
Pre-seed and seed
10 startups · $85M raised
Ghost SecurityGhost Security provides the standard in application security for modern enterprises.United States$20M
AltitudeAltitude is a decentralized finance company that offers an automated borrowing protocol for cryptocurrency users.United States$11M
CauselyCausely is a New York-based software company founded in 2022, specializing in autonomous service reliability for cloud-native applications.United States$11M
CalmWaveCalmWave is a Seattle-based healthcare software company founded in 2022.United States$9.7M
Fourier HealthFourier Health is a healthtech startup founded in late 2023 by James Lloyd and Christopher Lee, based in New York, NY.United States$8.4M
Eve SecurityEve Security is a cybersecurity company based in Austin, specializing in the protection of agentic AI systems, particularly autonoUnited States$7.5M
Kairon HealthKairon Health is a private healthcare technology company founded in 2024 and based in New York, NY.United States$5.0M
TrustibleTrustible is a private, AI-native Public Benefit Corporation founded in 2023 and based in Arlington, Virginia.United States$4.6M
Stage not reported
4 startups · $58M raised
Vecna RoboticsVecna Robotics, Inc.United States$46M
Olli HealthOlli Health is a private healthtech company based in Madison/Monona, Wisconsin, founded in 2023.United States$10M
Banjo HealthBanjo Health is a healthcare technology company based in Washington, D.C., founded in 2019.United States$2.0M
6d bytes6d bytes is a robotics startup that builds robotics systems to revolutionize the way of preparing and serving meals.United States$518K
Series A
3 startups · $93M raised
PassagePassage is a modern identity for web and mobile applications.Canada$41M
Autonomize AIAutonomize AI is a healthcare artificial intelligence company based in Austin, Texas, founded in 2022.United States$28M
Oath SurgicalOath Surgical is a health technology startup founded in 2024 by Dr.United States$24M
Series C and later
3 startups · $697M raised
Assort HealthAssort Health is a healthcare technology company based in San Francisco, California, founded in 2023 by Jeffery Liu and Jonathan Wang.United States$246M
Iterative HealthIterative Health is a healthcare technology and services company based in Cambridge, Massachusetts, with an additional office in NUnited States$227M
LabelboxLabelbox is a data-centric AI company based in San Francisco, founded in 2018.United States$224M
Series B
2 startups · $102M raised
Alaffia HealthAlaffia Health is a healthtech company based in New York, founded in 2020.United States$55M
Elemental MachinesElemental Machines is a technology company based in Cambridge, Massachusetts, focused on developing cloud-based hardware and IoT sUnited States$47M
How this map is made. Every startup here works in AI and has raised money in a round we track that names Tau Ventures as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.
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