Haystack — 2021 Investments
6 investments dated 2021 · listed companies and verified rows first · show all
BrightHire offers deep integrations with applicant tracking systems that add hiring-focused features such as one-click scorecard completion, playable interview highlights, and click-to-call directly within the ATS.
AI & Machine LearningCybersecurityEnterprise SoftwareHR TechSaaSNew York City, US
Theodore Chestnut(Founder)inBen Sesser(Founder)Teddy Chestnut(Founder)
Co-investorsBreakpoint CapitalFirebolt Ventures Management Company, LlcFlybridge Capital PartnersGround Up VenturesIndex VenturesNext Play Ventures+2 more
Buf Schema Registry is a package management and registry platform for Protobuf APIs that enables teams to publish, version, and consume API schemas with auto-generated SDKs, documentation, and governance policies.
Cloud ComputingData & InfrastructureDeveloper ToolsSaaS
Co-investorsAbstraction CapitalGarage CapitalLux CapitalAdditionGreenoaksLightspeed Venture Partners+1 more
Emerge Tools provides mobile performance and competitor analysis tools for iOS and Android development teams, enabling measurement of app size, performance regressions, and competitive benchmarking without requiring source code access.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareLos Angeles, US
Josh Cohenzadeh(Founder)inNoah Martin(Founder)in
Co-investorsMatrixY CombinatorLiquid VenturesUpside Partnership
Exa is an AI-powered search API that retrieves high-quality information from the web in real-time, designed for AI agents, developers, and applications that require precise natural-language search capabilities.
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US
William Bryk(CEO)inJeffrey Wang(Founder)inWalden Yan(Co-Founder)Marcus Holm(Chief Revenue Officer)inDan McArdle(Founder)Jeff Wang(Founder)
Co-investors137 Ventures49 Palms VenturesAndreessen HorowitzFelicis VenturesHelium-3 VenturesLightspeed Venture Partners+29 more
Womp provides browser-based 3D modeling software and on-demand 3D printing services for designers, agencies, and makers.
Advanced ManufacturingHardwareSaaSNewark, US
Gabriela Trueba(Founder)in
Co-investorsAEON FoundryCoho DeeptechFemale FoundersGaingelsTechstarsV1 VC
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
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.


























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