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Bayesline

YC S24

New York City, US · Founded 2024 · Delaware corporation · 3 employees · 11 known investors

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Bayesline provides GPU-accelerated financial analytics software deployed on the cloud for hedge funds and institutional investors to develop customized market analysis and investment strategies. The platform reduces the time to build analytics models from weeks or months to seconds.

Also known as Bayesline, Inc.

AI & Machine LearningFintechFinanceB2BAnalyticsAIUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (S24)

Bayesline was founded in 2024 by Sebastian Janisch and Misha van Beek.

SJSebastian Janisch
Sebastian JanischCo-Founder & CEOSebastian Janisch worked as a quantitative analyst at Bloomberg and BlackRock, where he built investment models. He now leads financial analytics work at Bayesline.
MVMisha van Beek
Misha van BeekCo-FounderMisha van Beek holds a PhD in Financial Mathematics from the University of Amsterdam and previously served as Managing Director at BlackRock, where he oversaw portfolio risk modeling and economic scenario research for Aladdin. He is a co-founder of Bayesline.
JK
JASLEEN KAURNamed on SEC filing

Investors · 11

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · funding news · open dataset · 5k.vc investor directory · Not right? Tell us

468 CapitalreportedBerlin

How we know: the VCSheet dataset · Not right? Tell us

Capitalize VCreportedChicago · $100K – $200K

How we know: Y Combinator's founder network · Not right? Tell us

Cartareported

How we know: Y Combinator's founder network · Not right? Tell us

Elsa CapitalreportedSan Francisco

How we know: Y Combinator's founder network · Not right? Tell us

Humans Of The Internetreported

How we know: Y Combinator's founder network · Not right? Tell us

Kube VCreported

How we know: Y Combinator's founder network · Not right? Tell us

Lockstep Angel InvestmentsreportedPalo Alto

How we know: Y Combinator's founder network · Not right? Tell us

Nivesha Venturesreported

How we know: Y Combinator's founder network · Not right? Tell us

OurCrowdreportedJerusalem

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Reported raises · per SEC filings

Form D private placements

$5.8M disclosed across 1 round · 2026

▶$5.8MraisedMay 2026 · 47 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • JASLEEN KAURDirector
  • MISHA VAN BEEKExecutive Officer, Director
  • SEBASTIAN JANISCHExecutive Officer, Director
Offering amount
$6.2M
Amount sold
$5.8M
Minimum investment
$1
First sale
May 2026
Incorporated
Corporation, Delaware, 2024
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

The YC application· Summer 2024 batch

Alumni Q&A

How did your company get started? (i.e., How did the founders meet? How did you come up with the idea? How did you decide to be a founder?)
The two founders met in 2016 while working at BlackRock and lived together during the pandemic. They concluded that large established institutions were too slow to innovate in financial analytics, particularly with AI, and left their finance careers to start the company.
What is your long-term vision? If you truly succeed, what will be different about the world?
The founders note that most financial analytics was built in the 1990s on C++ running on CPUs, while the AI community has since adopted Python machine-learning tools running on GPUs, which they consider much faster in both development and run-time. Their goal is to rebuild financial analytics on this newer stack, spanning economic scenario simulation for banks and insurers to portfolio risk models for hedge funds, and to have the platform used across financial institutions.

Summarized from the founders' answers on their Y Combinator profile.

Images

Bayesline photoBayesline photo

Related companies · 6

Blackline SystemsBlackLine provides cloud software that automates financial close and accounting processes for enterprises. The platform unifies financial data and processes, eliminates manual work, and improves visibility and control over accounting operations.
SharpeSharpe provides quantitative traders with AI-powered tools and market data infrastructure to rapidly develop and deploy trading strategies, combining historical market information with high-performance computing resources.
Rima AI (formerly Garage)Rima is an AI agent platform for financial reconciliation tasks including bank statements, accounts payable, payroll, intercompany balances, and credit card transactions. It serves accounting teams at CPA firms and corporate finance departments.
CrunchedCrunched provides an AI assistant that automates analysis and model-building directly within Excel for consulting, investment banking, and private equity professionals, handling tasks such as error-checking, formula creation, and data extraction without requiring users to leave the spreadsheet environment.
CatamaranCatamaran is a risk decision platform that helps corporates, brokers, insurers and investors analyze and transfer complex risks using data extraction, AI analysis, and structured risk transfer. The platform serves the insurance and risk management industry by consolidating insurance data, modeling risk scenarios, and connecting clients with capital providers.
ClarumClarum provides a structured intelligence layer that organizes and makes queryable the proprietary internal data held by private capital firms, such as deal records, diligence notes, and performance data. The platform enables investment firms to quickly answer operational questions and powers AI tools that rely on unified data models.

Companies working in the same space as Bayesline.

In the news

Bayesline Funding | Complete Analysis | Extruct AIextruct.ai · Dec 2024Bayesline - Blazingly fast analytics for Investment Managersycombinator.com · Aug 2024

Frequently asked questions

What does Bayesline do?
Bayesline provides GPU-accelerated financial analytics software deployed on the cloud for hedge funds and institutional investors to develop customized market analysis and investment strategies. The platform reduces the time to build analytics models from weeks or months to seconds.
Who founded Bayesline?
Bayesline was founded by Sebastian Janisch, Misha van Beek in 2024.
Who are Bayesline's investors?
Bayesline's investors include Blockchain Founders Capital, Y Combinator, 468 Capital, Capitalize VC, Carta, Elsa Capital, Humans Of The Internet, Kube VC and 3 more.
How much funding has Bayesline raised?
Bayesline has disclosed $5.8M raised across 1 round.
Where is Bayesline headquartered?
Bayesline is headquartered in New York City, US.