Tech Company Financing Transactions

Subquadratic Funding Round

On 5/11/2026, Subquadratic raised $29 million in Seed funding from Brex, private investors and OpenAI.

Transaction Overview

Company Name
Announced On
5/11/2026
Transaction Type
Venture Equity
Amount
$29,000,000
Round
Seed
Investors

Brex

private investors (Javier Villamizar)

private investors (Justin Mateen)

OpenAI

Stripe

Proceeds Purpose
The company will use the funding to expand development of its SubQ long-context AI model, launch its developer API and coding tools, and scale enterprise AI applications powered by its sparse-attention transformer architecture.

Company Information

Company Status
Private & Independent
Industry
Infrastructure
Mailing Address
251 Little Falls Drive
Wilmington, DE 19808
USA
Phone
Undisclosed
Email Address
Overview
Subquadratic is a frontier AI research and infrastructure company building a new class of LLMs. While other major labs focus on incremental improvements to Transformer models, we're pushing foundational change at the model architecture level -- enabling large-context, multi-modal inference that scales efficiently where transformers can't.
Profile
Subquadratic LinkedIn Company Profile
Social Media
Subquadratic Company Twitter Account
Company News
Subquadratic News
Facebook
Subquadratic on Facebook
YouTube
Subquadratic on YouTube

Management Team

Title
Name
Email & Social
Founder
Justin Dangel
  Justin Dangel LinkedIn Profile  Justin Dangel Twitter Account  Justin Dangel News  Justin Dangel on Facebook
Founder
Alexander Whedon
  Alexander Whedon LinkedIn Profile  Alexander Whedon Twitter Account  Alexander Whedon News  Alexander Whedon on Facebook


 

 

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