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SignalFire

North America, California, United States, San Francisco

Description

SignalFire is a prominent San Francisco-based venture capital firm recognized for its distinctive data-driven investment strategy, primarily leveraging its proprietary AI platform, Beacon. Founded in 2013 by Chris Farmer and Ilya Kirnos, the firm distinguishes itself by using artificial intelligence to identify promising startups, analyze market trends, and provide comprehensive support to its portfolio companies. This technological edge allows SignalFire to pinpoint emerging opportunities and assist founders with critical resources, including talent acquisition, business development, and strategic guidance, aiming to optimize their growth trajectory from inception.

The firm employs a multi-stage investment approach, deploying capital across Seed, Series A ("Breakout"), and later-stage ("Opportunities") rounds. In March 2023, SignalFire significantly expanded its capital base, announcing the close of $900 million in new funds. This capital was strategically allocated across a $300 million Seed fund, a $300 million Breakout fund targeting Series A and B companies, and a $300 million Opportunities fund for more mature growth-stage enterprises. This latest capital infusion brought SignalFire's total assets under management (AUM) to over $2 billion, underscoring its substantial presence and capacity in the venture capital landscape.

SignalFire's typical first cheque sizes reflect its multi-stage strategy. For seed-stage companies, initial investments generally range from $1 million to $5 million, often leading or co-leading rounds. As companies progress to the Series A or B stage, through their Breakout fund, SignalFire's initial commitments can extend from $5 million up to $20 million. The firm's commitment to supporting founders extends beyond capital, utilizing its Beacon platform to provide data-driven insights and operational assistance, which is a core part of its value proposition to portfolio companies. This comprehensive support model aims to foster long-term success for the startups they back.

Investor Profile

SignalFire has backed more than 232 startups, with 23 new investments in the last 12 months alone. The firm has led 99 rounds, about 43% of its total and boasts 15 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Seed, Series A, Series B rounds (top funding stages).
  • Majority of deals are located in United States, United Kingdom, Israel.
  • Strong thematic focus on Software, Artificial Intelligence (AI), Information Technology.
  • Led 12 rounds in the past year.
  • Typical check size: $1M – $20M.

Stage Focus

  • Seed (31%)
  • Series A (29%)
  • Series B (20%)
  • Series C (8%)
  • Series Unknown (5%)
  • Pre Seed (3%)
  • Series D (2%)
  • Debt Financing (1%)

Country Focus

  • United States (95%)
  • United Kingdom (2%)
  • Israel (1%)
  • Germany (1%)

Industry Focus

  • Software
  • Artificial Intelligence (Ai)
  • Information Technology
  • Saas
  • Health Care
  • Financial Services
  • Machine Learning
  • Enterprise Software
  • Analytics
  • Medical
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FAQ

Frequently Asked Questions

Learn who this investor regularly partners with—both firms and angels—and explore their latest activity.

Who does SignalFire frequently co-invest with?

General Catalyst
North America, Massachusetts, United States, Cambridge
Co-Investments: 11
Insight Partners
North America, New York, United States, New York
Co-Investments: 9
Felicis
North America, California, United States, Menlo Park
Co-Investments: 7
Y Combinator
North America, California, United States, Mountain View
Co-Investments: 10
Kortschak Investments L.P.
North America, Colorado, United States, Aspen
Co-Investments: 13
Bloomberg Beta
North America, California, United States, San Francisco
Co-Investments: 11
BoxGroup
North America, New York, United States, New York
Co-Investments: 9
Greycroft
North America, New York, United States, New York
Co-Investments: 7
Accel
North America, California, United States, Palo Alto
Co-Investments: 15
Alumni Ventures
North America, New Hampshire, United States, Manchester
Co-Investments: 12

Which angels does SignalFire often collaborate with?

NI
North America, United States
Shared Deals: 2
Balaji Srinivasan
Asia, Central Region, Singapore, Singapore
Shared Deals: 3
GR
North America, California, United States, San Francisco
Shared Deals: 2
AB
North America, California, United States, San Francisco
Shared Deals: 3
DT
Europe, Dublin, Ireland, Dublin
Shared Deals: 2
SC
North America, California, United States, San Francisco
Shared Deals: 4
BL
North America, California, United States, San Francisco
Shared Deals: 2
PK
North America, California, United States, San Francisco
Shared Deals: 2
CS
North America, Washington, United States, Kirkland
Shared Deals: 3
JL
North America, California, United States, Los Angeles
Shared Deals: 4

What are some of recent deals done by SignalFire?

The World's First Sales OS for AEs: 24/7 personalized intelligence and real-time call guidance for all of your accounts.

Mobile AppsReal TimeSoftware
SeedOct 8, 2025
Amount Raised: $10,000,000
Peer AI

San Francisco, California, United States

Peer offers AI solutions for medical writing, enhancing precision and speed in the life sciences sector.

Artificial Intelligence (AI)Life ScienceSoftware
UndisclosedOct 7, 2025
Amount Raised: $12,100,000
EvenUp

San Francisco, California, United States

EvenUp is a legal tech company developing AI software that automates the preparation of legal demand packages for personal injury cases.

Artificial Intelligence (AI)FinTechLegalLegal TechSoftware
Series EOct 7, 2025
Amount Raised: $150,000,000
Argyle

New York, New York, United States

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

Consumer LendingDeveloper APIsFinTechLendingMortgageRentalRental PropertySoftware
Series UnknownSep 23, 2025
Motion

San Francisco, California, United States

Motion is an AI time management platform that provides real-time interventions, reminders, and analytics.

AnalyticsArtificial Intelligence (AI)Productivity ToolsReal TimeSoftware
Series CSep 8, 2025
Amount Raised: $8,100,000
Wellth

Los Angeles, California, United States

Wellth motivates medication adherence using Behavioral Economics

Health CareInformation TechnologymHealthPersonal Health
Series CAug 20, 2025
Amount Raised: $36,000,000
Mandolin

Indianapolis, Indiana, United States

Mandolin is a digital platform designed to help artists, venues, and fans connect through live music.

Digital EntertainmentDigital MediaInformation TechnologyInternetMusicMusic Streaming
Series AJun 25, 2025
Amount Raised: $40,000,000
Mandolin

Indianapolis, Indiana, United States

Mandolin is a digital platform designed to help artists, venues, and fans connect through live music.

Digital EntertainmentDigital MediaInformation TechnologyInternetMusicMusic Streaming
SeedJun 25, 2025
SuperDial

San Francisco, California, United States

Improving healthcare one phone call at a time

Health CareHealth InsuranceSoftware
Series AJun 24, 2025
Amount Raised: $12,000,000
Conveyor

San Francisco, California, United States

Conveyor is a SaaS platform helping companies speed through their customer security reviews (with a little help from AI)

Cloud SecurityComplianceCyber SecurityRisk ManagementSaaSSales AutomationSoftware
Series BJun 12, 2025
Amount Raised: $20,000,000