Fundraising Fox

Sygaldry Technologies

YC X25

Ann Arbor, US · Founded 2024 · Delaware corporation · 40 employees on LinkedIn · Hiring · 15 known investors

Sygaldry develops quantum-accelerated AI servers that combine multiple qubit modalities to speed up training and inference for AI models. The company targets AI companies and researchers seeking more efficient, cost-effective compute infrastructure.

Founders & leadership· Y Combinator alumni (X25)

Sygaldry Technologies was founded in 2024 by Chad Rigetti and Idalia Friedson.

CRChad Rigetti
Chad Rigettiin𝕏CEO and co-founderChad Rigetti previously founded Rigetti Computing and worked at IBM. He holds a Ph.D. from Yale and has experience building quantum computing systems.
IFIdalia Friedson
Idalia FriedsoninCo-FounderIdalia Friedson previously served as Chief Strategy Officer at Strangeworks and Chief of Staff at Rigetti Computing, following product management roles at Publicis Sapient. She is involved in quantum artificial intelligence policy and ethics initiatives.

Board

CGChristian Garcia
Christian Garciain𝕏Investor and Board DirectorBreakthrough Energy Ventures at Breakthrough Energy Ventures
ASAndrew Sather
Andrew Satherin𝕏Board directorPartner at Initialized Capital
MK
Michael KeiserBoard director

Investors · 15

Reported raises · per SEC filings

Form D private placements

$139M disclosed across 1 round · 2026

$139MraisedApr 2026 · 165 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Idalia FriedsonDirector
  • Chad RigettiExecutive Officer, Director
  • Christian GarciaDirector
  • Michael KeiserDirector
  • Andrew SatherDirector
Offering amount
$139M
Amount sold
$139M
First sale
Mar 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.

Competitors · 2

by search overlap

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

In the news

Frequently asked questions

What does Sygaldry Technologies do?
Sygaldry develops quantum-accelerated AI servers that combine multiple qubit modalities to speed up training and inference for AI models. The company targets AI companies and researchers seeking more efficient, cost-effective compute infrastructure.
Who founded Sygaldry Technologies?
Sygaldry Technologies was founded by Chad Rigetti, Idalia Friedson in 2024.
Who are Sygaldry Technologies's investors?
Sygaldry Technologies's investors include Earth Venture Capital, Expeditions, Garage Capital, MVP Ventures, Page One Ventures, Qubits Ventures, SquareOne Capital, Western Technology Investment and 7 more.
How much funding has Sygaldry Technologies raised?
Sygaldry Technologies has disclosed $139M raised across 1 round.
Where is Sygaldry Technologies headquartered?
Sygaldry Technologies is headquartered in Ann Arbor, US.