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Subquadratic

Deep
1Rounds
0Articles
General InformationSubquadratic appears to be an early-stage deep-tech company focused on algorithmic or computational efficiency improvements, likely operating in the AI infrastructure space based on the name's mathematical connotation regarding complexity reduction.
Funding & FinancialsNo confirmed funding information is available; the company may be in pre-seed or bootstrap phase with limited public fundraising history.
Leadership & TeamSpecific founding team and executive information could not be verified through available sources.
Recent ActivityNo recent product launches or partnerships could be confirmed; the company may operate with a low public profile typical of early-stage deep-tech ventures.

Highlights

Total Raised
1 rounds
Latest Round
$29
May 20, 2026
Stage
deep-tech
Employees
Headquarters
News Coverage
Talent Signals
SEC Filings

Backers

and Brex
early investors in Anthropic
Javier Villamizar
Justin Mateen
OpenAI
Stripe

Funding History

$29
2026
Seed
SEC Form D   Editorial
May 20, 2026
$29 millionSeed · Editorial

Investors: Javier Villamizar, Justin Mateen, early investors in Anthropic, OpenAI, Stripe, and Brex

AI infrastructure company building SubQ, a long-context large language model with subquadratic sparse-attention architecture, raises seed funding.

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