boldstart ventures — 2025 Investments
9 investments dated 2025 · listed companies and verified rows first · show all
Hypernative provides machine learning-powered security monitoring and threat detection for blockchain and digital assets, protecting organizations operating across multiple blockchain networks.
AI & Machine LearningCrypto & Web3Cybersecurity
Gal Sagie(Founder)inDan Caspi(Founder)in
BoardDor Lee-Lo(Director)in
Board seatEd Sim· per SEC Form D
Co-investorsBallistic VenturesBloccelerate VCBorderless VentureCMT Digital VenturesIBI Tech FundTen Eleven+1 more
Netpreme develops a Memory Processing Unit (MPU) and Networked Memory Tiering technology designed to extend XPU memory capacity for AI systems.
AI & Machine LearningHardwareSemiconductorsCambridge, US
Zhizhen Zhong(Co-Founder & CEO)inNikita Lazarev(Co-Founder & CTO)in
BoardYuqin Duan(Director)
Board seatEd Sim· per SEC Form D · $13.4M raise · filed Jul 2025
Co-investorsRhapsody Venture PartnersThe E14 FundPropeller Inc.
Topos Bio develops an AI-native drug discovery platform focused on intrinsically disordered proteins, which are dynamic proteins associated with diseases such as Alzheimer's and prostate cancer.
AI & Machine LearningBiotechDeep TechSan Francisco, US
Ryan Zarcone(Founder)inAmir Khosrowshahi(Founder)in
Board seatEllen Chisa· per SEC Form D
Co-investorsThreshold Ventures
Agentuity builds infrastructure for managing and operating autonomous AI agents at scale.
AI & Machine LearningCloud ComputingDeveloper ToolsEnterprise SoftwareAustin, US
Jeff Haynie(Founder)inRick Blalock(Founder)in
Co-investorsBloomberg BetaSouthern Equity
Grepr is an infrastructure technology company that provides observability and reliability tools designed to help engineering teams operate more efficiently in environments increasingly driven by AI-generated code.
Cloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US
Jad Naous(CEO)in
Co-investorsAndreessen HorowitzThe E14 Fund
Keycard provides infrastructure for AI agents to operate safely and securely in production environments, enabling developers to connect agents to services across multiple clouds while maintaining identity, policy, and audit controls.
AI & Machine LearningCloud ComputingCybersecurityDeveloper Tools
Ian Livingstone(Founder)inMatthew Creager(Founder)inJared Hanson(Founder)in
Co-investorsAcrew CapitalAndreessen HorowitzEssence Venture CapitalExceptional CapitalModern TechnicalTapestry VC+2 more
UARE builds personal AI assistants trained on individual user data—documents, videos, notes, images, social media—to capture how a person speaks, thinks, and works across seven life dimensions.
AI & Machine LearningConsumerCreator Economy
Rob LoCascioinAndrew LuminSonia Lawrence-EmanuelSam Hortonin
Co-investorsMayfield Fund
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
GinetaiHumanix
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.

































