Fundraising Fox

Nexus

DefunctYC S21

San Francisco, US · Founded 2021 · 2 employees · 5 known investors

Nexus offers a combined checking and investment account that automatically invests the account balance to generate market returns while keeping funds accessible for withdrawal at any time, including after-hours.

Also known as Financial Choice

FintechNeobankUnited States of AmericaAmerica / CanadaFully Remote

Founders & leadership· Y Combinator alumni (S21)

Nexus was founded in 2021 by Stefan Heule, Chen-Chen Huo, and Konstantin Weitz.

SHStefan Heule
Stefan Heulein𝕏Founder
CHChen-Chen Huo
Chen-Chen HuoinFounderChen-Chen Huo co-founded Nexus (S21) after previously founding MAC'D (S18). With a background in hospitality and experience as a part-time bar owner, Huo now works on customer service AI products.
KWKonstantin Weitz
Konstantin WeitzinFounderKonstantin Weitz is a computer scientist with a PhD from the University of Washington who previously worked at Google before co-founding Nexus, a financial platform offering a checking account alternative with integrated investment features.

Investors · 5

Y CombinatorSan Francisco · $500K
General Catalystreported · 2 sourcesSan Francisco · $30M
Transpose Platform ManagementreportedHouston
Twenty Two VenturesreportedPalo Alto · $50K – $250K

Also in the syndicate · 1

Phosphor Capital

Funding

SEC filings, press & company announcements

Source: company announcements and press reports — follow each round's link for the claim.

In the news

Nexus B Raises 15 Billion Won in Series C Funding... Selects Samsung and Korea Investment & Securities as Underwriters - The Asia Business Dailyasiae.co.kr · Jul 2026TriFetch raises $1.9M from Nexus Venture Partners to help specialty clinics skip the paperwork — TFNtechfundingnews.com · Apr 2026Nexus Raises €3.7M to Deploy Enterprise AI Agentstheaiworld.org · Apr 2026Nexus Raises $4.3M in Seed Fundingfinsmes.com · Apr 2026Nexus Raises $4.3M Seed Round to Help Business Teams Deploy AI Agentsfinance.yahoo.com · Mar 2026Nexus raises new $700-million fund to back India, US startups focused on AI, enterprise, consumer sectors - The Economic Timesm.economictimes.com · Dec 2025

Frequently asked questions

What does Nexus do?
Nexus offers a combined checking and investment account that automatically invests the account balance to generate market returns while keeping funds accessible for withdrawal at any time, including after-hours.
Who founded Nexus?
Nexus was founded by Stefan Heule, Chen-Chen Huo, Konstantin Weitz in 2021.
Who are Nexus's investors?
Nexus's investors include Y Combinator, General Catalyst, Transpose Platform Management, Twenty Two Ventures.
Where is Nexus headquartered?
Nexus is headquartered in San Francisco, US.