Sector portfolio · VC firm · United States

SignalFire's AI portfolio

SignalFire has backed 47 AI startups in rounds we track, $4.2B between them, shown by the stage each has reached. The best-funded is Grammarly.

47startups backed
6stages
$4.2Braised between them
Pre-seed and seedbiggest stage

SignalFire's whole portfolioSignalFire's profile

Pre-seed and seed

11

Series A

10

Series B

10

Stage not reported

9

Series C and later

5

Growth

2

Segment by segment

Pre-seed and seed

11 startups · $89M raised

  1. TTangos-$20M
  2. SolidSolid# is a single AI system that replaces fragmented business software.United States$20M
  3. ShadeUltra-accurate & ultra-sensitive wearable UV sensorUnited States$18M
  4. SciforiumSciforium builds the next generation of AI models with unprecedented efficiency, privacy, and versatility.United States$12M
  5. KantivThe pursuit intelligence platform for AEC marketing teamsUnited States$4.0M
  6. InvokeInvokeUnited States$3.8M
  7. NimNiM is an online store of medical products, medical items and health supplies.United States$2.9M
  8. Included GamesIncluded Games is a UK-based entertainment software company that specializes in developing socially powered mobile games.United Kingdom$2.6M

Series A

10 startups · $255M raised

  1. BubbleBubble is an AI and no-code app development platform that enables users to create web and mobile applications visually, without trUnited States$100M
  2. JustpointJustpoint is an AI-powered consumer protection and legal technology company founded in 2018.United States$45M
  3. CopilotKitThe full-stack framework for building user interactive agents and copilots.United States$27M
  4. Prudentia SciencesPrudentia Sciences is an AI-native technology company based in Cambridge, Massachusetts, founded in 2023 by Sadiqa Mahmood and John Reynders.United States$20M
  5. Health NoteHealth Note is an AI-driven healthcare technology company founded in 2018 by physician Joshua Reischer.United States$17M
  6. TestBoxCompare and test software in moments with a live sandbox.United States$12M
  7. Persist AIPersist AI is a biotechnology company that builds long-acting microsphere formulations.United States$12M
  8. MMegaUnited States$12M

Series B

10 startups · $805M raised

  1. LyricLyric is an AI-powered supply chain platform based in Sunnyvale, California, founded in 2021 or 2022.United States$204M
  2. Qualified HealthQualified Health is a Public Benefit Corporation focused on enhancing healthcare through its enterprise AI platform.United States$165M
  3. UnifyMortgage business growth in one place.United States$98M
  4. PivotPivot accelerates early-stage Web3 startups with milestone-driven programs, 300+ VC partners, and hands-on founder mentorship acroUnited States$72M
  5. Outmarket AIOutmarket AI is an innovative artificial intelligence platform tailored for the insurance industry.United States$56M
  6. PatlyticsPatlytics is an AI-powered patent workflow platform that enhances the entire patent lifecycle, from invention disclosure to infrinUnited States$54M
  7. SSiro-$50M
  8. Flagler HealthWe help physicians expand their clinical offerings and optimize patient triage, engagement, and data-gathering.United States$50M

Stage not reported

9 startups · $655M raised

  1. AAuraUnited States$264M
  2. PayZenPayZen is a healthcare fintech company founded in 2019 and based in San Francisco, California.United States$200M
  3. Horizon3.aiHorizon3.ai is a cybersecurity startup based in San Francisco, California, founded in 2019 by a team of cybersecurity veterans, inUnited States$100M
  4. FarsightFarsight offers strategic management services and develops software using modern frameworks and robust technology.United States$32M
  5. SafeGraphSafeGraph is a Denver-based geospatial data company founded in 2016.United States$16M
  6. January AIJanuary AI is a mobile app that combines AI with science to provide personalized health insights and recommendations.United States$13M
  7. Peer AIPeer AI is a technology company based in San Francisco, founded in 2023.United States$12M
  8. SuperDialSuperDial is a voice AI company based in San Francisco, founded in 2021.United States$12M

Series C and later

5 startups · $954M raised

  1. LighthouseLighthouse is the home camera for smart home.United Kingdom$370M
  2. EllipticElliptic is a leading blockchain analytics and crypto compliance firm based in London, with additional offices in New York, SingapUnited Kingdom$265M
  3. Horizon3Horizon3 invest in long-term growth companies with a strong customer and user focus integrated into profitable and scalable business models.United States$250M
  4. WellthWellth is a digital health company based in Los Angeles, California, founded in 2014.United States$41M
  5. Session AISession AI, formerly known as ZineOne, is a technology company based in Milpitas, California, specializing in In-Session Marketing.United States$28M

Growth

2 startups · $1.5B raised

  1. GrammarlyGrammarly is a leading AI writing assistance company founded in 2009 in Kyiv, Ukraine, by Alex Shevchenko, Max Lytvyn, and Dmytro Lider.United States$1.2B
  2. EvenUpEvenUp is a technology company based in San Francisco that specializes in vertical AI solutions for the personal injury legal sector.United States$285M

How this map is made. Every startup here works in AI and has raised money in a round we track that names SignalFire as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.

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