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
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
Wilmington, DE 19808
USA
Phone
Undisclosed
Website
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.
Management Team
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