/Investor DB

47th Street Partners — Full Portfolio

4 tracked investments · listed companies and verified rows first

Dossdoss.comin𝕏Mar 2026 · $55M

DOSS builds an Adaptive Resource Platform (ARP) that replaces traditional ERP systems for operations teams across industries.

AI & Machine LearningData & InfrastructureEnterprise SoftwareSaaS

Wiley Jones(Founder)inArnav Mishra(Founder)inWiley Jones Arnav Mishra(Founder)

Co-investorsContraryHawk Hill VenturesMadrona Venture GroupPathlight VenturesPremji InvestTheory Ventures+7 more

Govstreamgovstream.aiin𝕏Dec 2025

Govstream.ai provides AI-powered permitting software that helps cities streamline building permit intake, standardize reviews, and reduce bottlenecks.

AI & Machine LearningGovTechSaaSSpokane, US

Safouen (Saf) Rabah(Founder)inSakya Duvvuru(Director)

BoardKevin Merritt(Director)

Co-investorsAscend Venture CapitalAscend

OpenToolsopentools.com𝕏Seed

OpenTools provides an API that allows developers to access and use Model Context Protocol (MCP) tools with any LLM through a single integration, offering capabilities like web search, real-time location data, and web scraping.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareMarketplacesNew York City, US

Andy Qin(Founder)inVashisht MadhavanMillie Shih(Chief of Staff)

Co-investorsFelicis VenturesY CombinatorAndreessen HorowitzBase Case CapitalCRV (Charles River Ventures)General Catalyst+7 more

Tallytallyhq.cominSeed

Tally builds AI agents that prepare, reconcile, and review financial work for accounting firms, handling tasks across tax, accounting, advisory, and audit engagements.

AI & Machine LearningFintechSaaSSan Francisco, US

Rami Ghanem(CEO)in

Co-investorsAdams Street PartnersMetaplanetWI Harper GroupY Combinator1984 Ventures Management, LlcBain Capital Ventures+3 more

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.