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SignalFire — Portfolio

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

209
Companies
$3.0B
Total invested
$19.2M
Avg. check
57
Industries
Software 15Artificial Intelligence (AI) 10Machine Learning 6SaaS 5Financial Services 4Information Technology 4+51 more
Founder contacts

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Portfolio companies

Showing 124 of 209
Session AI
September 2022

Session AI is a revolutionary in-session marketing platform, made to overcome the fact that 90% of today’s ecommerce sessions are anonymous.

Artificial Intelligence (AI) · Milpitas$28.0M Series C
lexonlegal
September 2025

LexonLegal provides AI-powered solutions for contract automation, compliance analysis, and litigation support.

San Diego$1.2M Seed
Ledger Investing
September 2024

Ledger Investing is an online marketplace powering interactions between investors and insurance carriers.

Financial Services · New YorkUndisclosed
Argyle
September 2025

Argyle is the leading provider of direct-source, consumer-permissioned income, employment, and asset verifications

Consumer Lending · New YorkVenture - Series Unknown
Explosion AI
September 2021

Explosion is a software company specializing in developer tools for AI, ML, NLP, and data annotation.

Artificial Intelligence (AI) · Berlin$6.0M Series A
RedCircle
September 2021

RedCircle empowers the podcaster community with powerful tools to support them in their efforts to grow, earn money, and be heard.

Information Technology · San Francisco$6.0M Series A
Propel Software Solutions
September 2021

Propel helps product teams work smarter, faster and collaborate better with product value management (PVM) software.

Cloud Infrastructure · Santa Clara$20.0M Series C
Join
September 2025

Join provides a collaborative software platform for managing preconstruction and design phases of projects.

Collaboration · OaklandVenture - Series Unknown
Syncari
September 2025

Syncari: Agentic Master Data Management for unified, reliable data.

Data Management · NewarkSeries B
Kurtosis
August 2022

Kurtosis gives developers the tools to create and manipulate customized development environments.

Information Technology · Houston$20.0M Series A
Saturn Cloud
August 2021

Saturn Cloud provides the control plane for GPU clouds with secure, self-service AI infrastructure and orchestration

Artificial Intelligence (AI) · New York$3.0M Series A
Override
August 2023

Override provides virtual care team for all of your requirements related to chronic pain.

Customer Service · Washington$1.0M Seed
January AI
August 2022

January AI is a mobile app that combines AI with science to provide personalized health insights and recommendations.

Artificial Intelligence (AI) · Menlo Park$13.0M Venture - Series Unknown
PayZen
August 2024

PayZen is a healthcare fintech startup tackling healthcare affordability by using financial technology, AI, and machine learning.

Artificial Intelligence (AI) · San Francisco$200.0M Debt Financing
SafeGraph
August 2021

SafeGraph builds and maintains data sets to help accelerate machine learning and AI.

Analytics · DenverSecondary Market
Prophia
July 2024

Prophia is an AI powered data and document intelligence platform designed for the commercial real estate industry.

Commercial Real Estate · San FranciscoSeed
Socket
July 2022

Socket is a Web3 privacy infrastructure for social interactions for crypto-related purposes.

Bitcoin · New York$2.0M Pre-Seed
Bubble
July 2021

Bubble is a no-code development platform that allows users to create customized web and mobile applications.

Artificial Intelligence (AI) · New York$100.0M Series A
Farsight
July 2026

Farsight is an AI company that builds workflow automation tools for financial and insurance data processing.

Artificial Intelligence (AI) · New York$16.0M Corporate Round
Health Note
July 2022

Health Note is a clinical platform that helps healthcare practitioners to collect and enter information for patient reconciliation.

Artificial Intelligence (AI) · San Francisco$17.0M Series A
Cordant
July 2026

Cordant is the command center for modern financial infrastructure and real-time money movement.

Blockchain · New York$8.0M Seed
Pure
July 2026

Pure is a legal, compliant, and rake-free real-money poker app designed for hosting private gameswithin trusted social networks.

Software · San Francisco$8.0M Seed
Flymachine
July 2021

Flymachine is an entertainment industry that organizes lives events digitally.

Digital Entertainment · Berkeley$21.0M Venture - Series Unknown
Billables AI
June 2026

Automated legal time-tracking, personalized and powered by AI.

Accounting · San Francisco$10.2M Series A

Where SignalFire invests

Software15
Artificial Intelligence (AI)10
Machine Learning6
SaaS5
Financial Services4
Information Technology4

About SignalFire's portfolio

How many companies has SignalFire invested in?

SignalFire has invested in 209 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does SignalFire invest in?

SignalFire's top investment sectors include Software, Artificial Intelligence (AI), Machine Learning, SaaS, Financial Services. The firm invests across 57 different industry categories.

What is SignalFire's largest investment?

Among tracked funding rounds, PayZen received $200.0M in a Debt Financing round. SignalFire's total known invested capital is $3.0B.

What is the average investment size for SignalFire?

SignalFire's average investment size is $19.2M across its portfolio of 209 companies.

What are SignalFire's most recent investments?

Recent SignalFire portfolio additions include Session AI, lexonlegal, Ledger Investing, Argyle, Explosion AI. These companies were founded in 2020 or later.

Reach the founders behind these 209 companies
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