sieve — Startup Profile

AI + human review data cleaning for hedge funds

HQ: New York, NY | Founded: 2025 | Employees: 5 | Stage: Pre-Seed | Website: https://usesieve.com

About

sieve solves data cleaning for hedge funds and investment firms. API replaces manual review in data pipelines. AI finds and retrieves source documents, extracts data. Each point reviewed by expert reviewers. Works via API or Excel. Founded by Nicole Lu (CEO, MIT CS, Citadel quant research/trading/data science, McKinsey, Broad Institute cancer detection) and Savannah Tynan (CTO, MIT, Bain PE group). YC X25. $500K from YC. NYC.

The Take

Strong founding team (MIT CS, Citadel, McKinsey, Bain). Practical product solving real hedge fund data pain. AI + human review for finance-grade accuracy.

Key People

• Nicole Lu
• Savannah Tynan

Key Competitors

• —
• —

Timeline Highlights

• 2025-03: YC X25 batch; raised $500K
• 2025: sieve founded

Recent News

• (2025)
• (2025-05-19)

Similar Startups

• Fuell — Corporate card and expense management for SMBs
• InterPrime — Automated treasury management for businesses
• Onshore — AI for corporate tax
• Payflow — Earned Wage Access for employees
• Soraban — AI tax workflow platform for accounting firms

More Fintech Startups

• Cohesion — AI agents that automate research for institutional investors
• Afternoon.co — All-in-one back-office platform for founders — bookkeeping, compliance, and tax
• Balance — B2B checkout and payments platform — Stripe for B2B
• Benchmark — Decision infrastructure for private market investment firms
• Blixo — Accounts receivable automation for freelancers and SMBs

Browse: Home | Blog | About | All Startups A-Z | View full profile on StartupWiki