# Astor

> Astor is an SEC-registered AI investment advisor built for retail investors. It connects to a user's existing brokerage accounts, reviews their holdings across performance, risk and diversification, monitors markets around the clock, and delivers tailored research and recommendations through a chat and voice interface. Founded in 2025 by ex-Nubank and ex-Stripe/Robinhood engineers, the company went through Y Combinator's Summer 2025 batch and raised a $5M seed led by Monashees.

- **Founded:** 2025
- **Headquarters:** San Francisco, California, United States
- **Founders:** Bruno Koba (Co-Founder & CEO), Daniel Tulha (Co-Founder & CTO)
- **Team size:** About 5-6 people
- **Products:** Astor AI Investment Advisor, 24/7 Market Monitoring, Catalyst Detection, Tailored Research Briefs, Scenario Testing
- **Notable:** Accepted into Y Combinator's Summer 2025 batch, Raised a $5M seed round led by Monashees (announced April 2026), Reached thousands of users and $200M+ in connected accounts within months of launch

## Products & services

- **Astor AI Investment Advisor** — An SEC-registered, AI-native advisory app that connects to a user's existing brokerage accounts, analyzes holdings across performance, risk and diversification, and delivers personalized recommendations through chat and voice.
- **24/7 Market Monitoring** — Continuously tracks markets and filters relevant developments down to what matters for the user's specific holdings, sending real-time alerts.
- **Catalyst Detection** — Surfaces unusual insider activity and emerging opportunities before mainstream coverage picks them up.
- **Tailored Research Briefs** — Compiles data, filings and expert commentary into decision-ready reports built around the user's portfolio.
- **Scenario Testing** — Lets investors run 'what if' analysis to validate an investment idea with supporting market data before acting.

## Achievements

- Accepted into Y Combinator's Summer 2025 batch
- Raised a $5M seed round led by Monashees (announced April 2026)
- Reached thousands of users and $200M+ in connected accounts within months of launch
- Launched live on the Apple App Store
- Built as an SEC-registered investment advisor operating under fiduciary duty

## Latest updates

- **2026-04** — Announced a $5M seed round led by Monashees with participation from Y Combinator, Goodwater Capital, Gilgamesh Ventures, 468 Capital, Valutia, Sunshine Lake, and executives from Stripe and OpenAI.
- **2025-08** — Went through Y Combinator's Summer 2025 batch and launched its AI investment analyst; app went live on the App Store.

## Links

- Website: https://astor.app
- LinkedIn: https://www.linkedin.com/company/joinastor/
- Twitter/X: https://twitter.com/astorinvest
- Instagram: https://www.instagram.com/astorinvest/
- TikTok: https://www.tiktok.com/@astorinvest

---

Profile page: https://yespress.io/astor-yc-s25
Published by YesPress — https://yespress.io
Last updated: 2026-07-31