Fundraising Fox

Hadrius

YC W23

New York City, US · Founded 2023 · 80 employees · Hiring · 7 known investors

Hadrius provides AI-powered compliance automation software for financial services firms, helping compliance teams automate oversight, reduce false positives, and meet SEC and FINRA requirements with enterprise-grade security.

Also known as Quantbase

AI & Machine LearningEnterprise SoftwareFintechSaaSB2BComplianceRegtechAIUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (W23)

Hadrius was founded in 2023 by Thomas Stewart, Allen Calderwood, and Som Mohapatra.

TSThomas Stewart
Thomas StewartinCEO & CofounderHe has founded two prior companies and completed one exit.
ACAllen Calderwood
Allen CalderwoodinCo-Founder & CTOAllen Calderwood worked at Google and Chime before becoming CTO at Quantbase, and is now CTO at Hadrius (W23).
SMSom Mohapatra
Som Mohapatrain𝕏FounderSom Mohapatra left college to found Quantbase, an investment firm that grew to substantial assets under management before being acquired by a competitor. He now leads Hadrius, which builds compliance software for financial services firms.

Investors · 7

Y Combinator✓ verifiedSan Francisco · $500K
CRV (Charles River Ventures)Bay Area · $250K – $5M
Dorm RoomBrooklyn · $90K – $250K
Unpopular VenturesMiami · $100K – $500K
Lynett Capital PartnersreportedJupiter

Also in the syndicate · 2

Dorm Room FundSingularity Capital

Funding

SEC filings, press & company announcements

$22M disclosed across 1 of 2 rounds · 2023–2026

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

Founder mafia

2 people who came through Hadrius went on to found or lead other companies.

Jonathan MirandaFounding Software EngineerFounded CompyleMark NazzaroFounding Software EngineerFounded Compyle

Competitors · 1

by search overlap
SmartAsset146 shared keywordsFisher Investments is a global money management and financial advisory firm that provides portfolio management, financial planning, and retirement planning services primarily to high-net-worth individuals and institutional clients. The firm manages investments across equities, fixed income, and blended accounts using an active, forward-looking investment approach.

Companies competing with Hadrius for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Regtech start-up Hadrius pockets $27m total fundingfintechfutures.com · Jul 2026Hadrius secures $27m to scale agentic compliancefintech.global · Jul 2026Hadrius Raises $27M in Seed and Series A Fundingfinsmes.com · Jul 2026Hadrius raises $22M Series A to automate finance compliance | AI Weeklyaiweekly.co · Jul 2026Hadrius Raises $27 Million to Build Agentic Compliance Infrastructureprnewswire.com · Jul 2026Hadrius raises $22M to take on legacy compliance toolsaxios.com · Jul 2026FinTech firm Hadrius nets $2m seed round for AI-powered SEC compliancefintech.global · Sep 2023Hadrius - SEC regulatory compliance powered by AIycombinator.com · Mar 2023

Frequently asked questions

What does Hadrius do?
Hadrius provides AI-powered compliance automation software for financial services firms, helping compliance teams automate oversight, reduce false positives, and meet SEC and FINRA requirements with enterprise-grade security.
Who founded Hadrius?
Hadrius was founded by Thomas Stewart, Allen Calderwood, Som Mohapatra in 2023.
Who are Hadrius's investors?
Hadrius's investors include Y Combinator, CRV (Charles River Ventures), Dorm Room, Unpopular Ventures, Lynett Capital Partners.
How much funding has Hadrius raised?
Hadrius has disclosed $22M raised across 1 of its 2 known rounds.
Where is Hadrius headquartered?
Hadrius is headquartered in New York City, US.