Builder Capital
Venture capitalPre-SeedβSeed
Investment thesis
Builder Capital invests in early-stage scientists and engineers turning breakthrough scientific ideas into real systems, machines, and infrastructure. The firm focuses on hard technical problems it believes will define the next era of progress, concentrating on computation, photonics, robotics, and energy. Its cryptographic systems thesis centers on blockchain rails for on-chain finance, stablecoins and real-world assets, along with quantum-resistant encryption such as zero-knowledge proofs and fully homomorphic encryption. In photonics it backs light-based approaches that surpass electronic limits in bandwidth, latency and energy efficiency. In robotics it supports autonomous machines that perceive, decide and act in the physical world. It believes the hardest problems create the most enduring companies.
Source: firm website, verified Aug 3, 2026.
What they invest in
from 9 of 10 portfolio companiesAI & Machine Learning Γ7Cloud Computing Γ3Crypto & Web3 Γ3Developer Tools Γ3Data & Infrastructure Γ2SaaS Γ2B2B Marketplaces Γ1Creator Economy Γ1
HQs:United StatesΓ2
Investments Β· 10 tracked
founders shown can be your intro pathBy year:2025 Β· 12023 Β· 12 dated
Helika builds AI character infrastructure that lets IP owners such as sports teams, entertainment studios, music artists, and brands create conversational, ongoing relationships with their audiences at scale.
AI & Machine LearningCreator EconomyMedia & EntertainmentSaaS
Anton(Founder & CEO)Ilya(CPO)
Co-investorsDiagramPantera CapitalBig Brain HoldingsFenbushi CapitalSparkle VenturesFermion
Aethir operates a distributed cloud compute platform providing enterprise-grade GPU resources for AI model training, fine-tuning, inference, and low-latency cloud gaming.
AI & Machine LearningCloud ComputingCrypto & Web3
Co-investorsAndromeda CapitalAnimoca BrandsBig Brain HoldingsCVP NoLimitImpossible FinanceInception Capital (ex OP Crypto)+8 more
Antimetal builds an autonomous system that operates production infrastructure by continuously monitoring, diagnosing, and fixing issues across software systems.
AI & Machine LearningCloud ComputingDeveloper Tools
Co-investorsChapter OneIDEO CoLab VenturesSound Ventures
Coinflow provides global payment processing infrastructure enabling businesses to accept payments, settle funds, and expand internationally with instant settlement and fraud protection.
B2B MarketplacesFintechChicago, US
Daniel Lev(Founder & CEO)inBen Meeder(Founder)
Co-investorsCoinbase VenturesDigital Currency GroupDraper DragonFactionPantera CapitalReciprocal Ventures+4 more
Co-investorsLongHash Ventures
Grass is a peer-to-peer network that monetizes unused residential internet bandwidth by connecting users with institutions that need data connectivity, compensating participants with points and tokens.
Crypto & Web3Data & Infrastructure
Co-investorsCollab+Currency
Neurophos develops photonic AI accelerator chips (the OPU) that use photonic tensor cores to deliver high compute throughput at low power draw, aiming to compress a full GPU rack into the size and power of a single GPU.
AI & Machine LearningDeep TechSemiconductorsAustin, US
Patrick Bowen(Executive Officer, Director)Hod Finkelstein(Executive Officer)Preston Woo(Executive Officer)
BoardChristopher Alliegro(Director)Nathan Kundtz(Director)
Co-investorsBeyond Earth VenturesBosch VenturesDnx VenturesDuke Capital PartnersRobert Bosch Venture CapitalSilicon Catalyst+4 more
Octane builds an AI-native security analysis tool that continuously reasons about code to find novel vulnerabilities across functions, files, and execution paths.
AI & Machine LearningCybersecurityDeveloper Tools
Co-investorsArchetypeDuke Capital Partners
Octra provides encrypted computation infrastructure for blockchain, AI, and applications.
AI & Machine LearningCrypto & Web3Data & Infrastructure
Co-investorsBig Brain Holdings
Prodia provides APIs for high-quality image and video generation using generative AI, delivered at scale without requiring GPU provisioning or infrastructure management.
AI & Machine LearningCloud ComputingDeveloper ToolsSaaS
Shawn Wilkinson(Founder)in
Co-investorsEv3 Ventures LlcSymbolic CapitalTRGCWeb3com VenturesIndex VenturesOKX Ventures
Portfolio news
latest coverage across their companies
Prodia Labs Β· chipstrat.com Β· Jul 15, 2026
Helika Β· castleplacement.com Β· Jul 9, 2026
Neurophos Β· datacenterdynamics.com Β· May 7, 2026
Coinflow Β· finance.yahoo.com Β· Oct 9, 2025
Frequently asked questions
- How many investments has Builder Capital made?
- Builder Capital has 9 tracked investments, including 1 dated in the last 24 months.
- What stage does Builder Capital invest at?
- Builder Capital invests at the Pre-Seed, Seed stages.
- What sectors does Builder Capital focus on?
- Builder Capital focuses on Advanced Manufacturing, AI & Machine Learning, Crypto & Web3, Deep Tech, Fintech, Hardware, Robotics, Semiconductors.
- Who does Builder Capital co-invest with?
- Builder Capital most often shares deals with Big Brain Holdings, Duke Capital Partners, Dnx Ventures, among 37 tracked co-investors.
Images
Similar investors
Everywhere Ventures is an early-stage venture firm that backs founders globally, supported by a community of founders and operators as LPs.
DeVC is a decentralized venture capital firm that backs early-stage founders with capital, mentorship, and network access via a collective of experienced founders, operators, and industry experts.
Industrial Technology Investment Corporation is the venture capital arm of Taiwan's Industrial Technology Research Institute (ITRI), backing startups across multiple stages and sectors while providing access to ITRI's R&D resources.
Lux Capital is a venture capital firm that backs founders building transformative deep technologies, having been among the first investors in category-defining companies across AI, robotics, biotech, defense, and infrastructure.
Chinese venture capital firm (Hua Chuang Capital / CGC) investing since 2014, with a focus on technology and software companies. It offers both venture capital and venture lending along with value-add support.