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#52 · Top 100 · 2026#2 · Emerging 100 · 2026

Factorial

factorialcap.com

“Technical founders building at the frontier of AI/ML infrastructure and applications. Purpose-built for the AI era, backing engineers who code solving previously technically impossible problems.”

$500K – $1.5M
Check Size
Leads & Follows
Lead Tendency
~1 Week
Timeline
01Investment Thesis

Technical founders building at the frontier of AI/ML infrastructure and applications. Purpose-built for the AI era, backing engineers who code solving previously technically impossible problems.

Exclusion Criteria

Non-technical founding teams, me-too applications without technical innovation, consumer companies without strong technical depth

02Founder Preferences

Technical founders with a background in software development or related technical fields.

03Investment Team
MH
Matthew Hartman
04F4 Research Brief

Factorial Capital Research

Investment Thesis

Factorial Capital is a purpose-built early-stage venture capital firm for the AI era. Led by Matt Hartman (former 10-year VC at Betaworks), the fund invests in technical founders building at the frontier of AI/ML infrastructure and AI-native applications. The firm's core conviction is that the next generation of transformative companies will be built by engineers who code, focused on solving previously technically impossible problems using recent AI breakthroughs.

Sector Focus

Factorial invests exclusively in companies built by technical founders at the intersection of AI and emerging technology:

Primary Focus Areas:

  • AI/ML infrastructure (databases, vector stores, LLM tooling, observability)
  • B2B SaaS powered by AI (productivity tools, enterprise automation)
  • Consumer AI applications leveraging frontier models
  • Data infrastructure and ETL/transformation tools
  • AI safety and evaluation tools

The fund explicitly avoids non-technical founding teams and focuses on founders with demonstrated technical depth.

Stage Focus

Factorial is an early-stage specialist:

  • Angel/Pre-seed: Primary focus with $500K-$1M checks
  • Seed: Secondary focus, happy to participate
  • Series A: Selective follow-on for strong portfolio companies

The fund emphasizes "rough prototype stage" investments - investing when founders have technical validation but before product-market fit.

Check Size

Typical investment range: $500K - $1M

  • Angel/Pre-seed: $500K-$1M (primary)
  • Seed: $500K-$1.5M
  • Target ownership: 5-10% depending on stage

Lead Tendency

Factorial positions itself as flexible on lead vs. co-lead vs. participation:

  • "We are happy to be the first yes or the last yes"
  • "Lead, co-lead, or just be a part of the round"
  • Strong conviction backing allows quick decisions with minimal committee

Recent Activity

Fund Status: Actively deploying Fund II

  • Fund II: $25M closed December 2025
  • Fund I: Successfully deployed, with multiple exits and strong portfolio performance

Notable Recent Investments (2025-2026):

  • Factory AI (AI code/automation)
  • Slingshot AI (AI infrastructure)
  • SF Compute (GPU access/compute optimization)
  • Patronus (LLM evaluation and safety)
  • Oboe (AI analytics)
  • Nomic (LLM tooling)
  • LMArena (LLM evaluation)
  • LanceDB (vector database)
  • Gitbutler (Git/developer tools with AI)
  • Flower (Federated ML framework)
  • Decart AI (Computer vision)
  • Copilot.money (AI financial tools)
  • Causal Labs (AI data analytics)
  • Black Forest Labs (Image generation)
  • Basis (AI enterprise tools)
  • Zo Computer (AI infrastructure)

Portfolio Highlights

Notable Exits/High-Profile Investments:

  • Software Applications Inc. (acq by OpenAI) - AI infrastructure
  • Argilla (exited) - Data annotation/ML ops
  • Huggingface (first investor at Betaworks) - LLM ecosystem
  • Anchor (acq Spotify) - Audio AI
  • Squad (acq Twitter) - Team collaboration
  • Cube.dev (acquired Databricks user) - Data querying
  • Flower AI (federated ML framework)
  • Fast Forward Labs (acq Cloudera) - Applied ML

Active Portfolio: 65+ companies spanning AI infrastructure, B2B SaaS, consumer AI, and data tools

Team

Leadership:

  • Matt Hartman, Managing Partner & Founder: Ex-Betaworks (10 years, VC partner), first investor in Huggingface, led investments in Anchor (acq Spotify), Squad (acq Twitter), and other Meta/Apple acquisitions. Deep infrastructure background and AI thesis leadership.
  • Becca Lewy, Chief of Staff: Co-founder (Purple, acq by the Skimm), product manager at Infatuation and Grindr, operator-turned-investor

Advisory Board/Venture Partners (technical practitioners):

  • Clem Delangue, CEO Huggingface
  • Iqram Magdon-Ismail, Co-Founder Venmo
  • Hilary Mason, CEO Fast Forward Labs
  • Matt Hackett, Co-Founder Beme
  • Alex Chung, Founder Giphy
  • Brandon Duderstadt, Founding CEO Nomic
  • Amit Mandelbaum, Led Nvidia Networking AI team
  • Victor Sanh, Built LLM at Hugging Face
  • Andriy Mulyar, Founder Nomic
  • Rebecca Qian, Co-Founder & CTO Patronus AI
  • Neil Parikh, Co-Founder Casper & Slingshot AI
  • Anand Kannappan, Co-Founder & CEO Patronus AI

Decision Process

Model: Ultra-lean, founder-led partnership

  • Only 2 decision-makers: Matt + 1 technical partner
  • Collaborates with advisory board on technical evaluation
  • No formal committee or voting structure
  • High conviction, fast decision approach

Decision Timeline: Days to 1-2 weeks

Founder Preferences

Factorial explicitly seeks:

  • Technical founders who code - preference for direct technical implementation
  • Ex-FAANG/hyperscaler experience - engineers from Google, Meta, Apple, Amazon, Spotify, Twitter, etc.
  • Deep domain expertise - Specialists in infrastructure, ML systems, or technical domains
  • First-principles thinking - Solving genuinely novel technical problems
  • Infrastructure mindset - Building foundational tools that enable the AI ecosystem

Geographic Focus

Primarily US-based with concentration in: New York (HQ), San Francisco Bay Area, Seattle, Austin.

Market Position

Factorial positions itself as the specialist AI infrastructure VC - betting on technical founders building the next layer of infrastructure that makes the current wave of AI applications possible.

05Selected Portfolio
Biotech & Life Sciences
Caladan·Nomic·Caladan Bio·NanoCo·Boltz
Climate & Sustainability
Flower
Consumer Apps & Social
Getea·Origami·Graze.social·Amata
Developer Tools & Infrastructure
Factory·Lancedb·Gitbutler·Overshoot·Lightpanda
EdTech
Oboe
Enterprise Software
SF Compute·LMArena·Causal Labs·Basis·Zo Computer·Twin·Qbraid·Polymet·Pluralis·NDEA·Modelbit·Mainframe·Helivan·Datalab·Adaptive·Suits·Ponder·Mbue·MAIA Analytics·Artificial Analysis·2389 Research·Argilla·Modal·Factory AI·Adaptive ML·Symbiotic Security
Fintech & Payments
Copilot.money
Healthcare & Digital Health
Slingshot AI·Sophont·Resolvd·Opponent·Lightshift Health
Manufacturing & Industrial
Interface Inc
Media & Entertainment
Decart AI·Black Forest Labs·Florafauna·Banodoco
Real Estate & PropTech
Letly
Robotics & Automation
DDimensional·Neuraco
Security & Cybersecurity
White Circle AI·Pensar
Other
Patronus
Open the full portfolio→
06Recent Updates

Fresh signals from public announcements, essays, and portfolio activity.

Participated in NanoCo's $12M seed round for secure enterprise agentic AI assistants.
INVESTMENT·siliconangle.com
MAY 20, 2026
Participated in Symbiotic Security's $10M seed round for secure AI code generation.
INVESTMENT·symbioticsec.ai
JAN 22, 2026
Participated in Boltz's $28M seed round for AI foundation models in drug discovery.
INVESTMENT·techrepublic.com
JAN 8, 2026
Closed Fund II with $25M, expanding distributed sourcing model with technical founders from Venmo, Giphy, and Hugging Face.
NEW FUND·techfundingnews.com
DEC 2025
07Frequent co-investors
AV
Abstract Ventures
Both backed 2 of the same companies
Factory, White Circle AI
AF
Alloy Fund
Both backed 2 of the same companies
Slingshot AI, Basis
AP
Amplify Partners
Both backed 2 of the same companies
Modal, Boltz
B
Betaworks
Both backed 2 of the same companies
Graze.social, Twin
EV
Essence VC
Both backed 2 of the same companies
Modal, Lancedb
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Quick Reference
Check Size
$500K – $1.5M
Stages
Pre-Seed · Seed
Decision
Partnership · ~1 Week
Warm Intro
Not Required
Involvement
Board Seat
Sector Focus
Enterprise SoftwareDeveloper Tools & Infrastructure
Models
B2B SaaSInfrastructureData Tools
Technology
AI/MLLLMComputer VisionInfrastructure
See all Enterprise Software investors →See all Developer Tools & Infrastructure investors →
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F4 Intelligence Report · Last Researched September 3, 2026F4 Research Engine