Sygaldry Technologies
YC X25 ↗Ann Arbor, US · Founded 2024 · Delaware corporation · 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.
Advanced ManufacturingAI & Machine LearningHardwareQuantum Computingin /sygaldry-technologies@sygaldry_techycombinator.com ↗
Founders & leadership· Y Combinator alumni (X25)
CR
Chad Rigettiin𝕏Founder
IF
Idalia FriedsoninFounder
MK
Michael KeiserDirector
CG
Christian GarciaDirector
AS
Andrew SatherDirector
Investors · 15
Earth Venture Capital
ExpeditionsWarsaw
Garage Capital
MVP VenturesChicago
Page One VenturesSilicon Valley
Qubits VenturesPasadena
SquareOne CapitalMiami
Western Technology InvestmentPortola Valley · $250K – $30M
Y CombinatorSan Francisco · $500K
ZAKA VCSan Francisco
468 CapitalreportedBerlin
Breakthrough Energy VenturesreportedBoston · $500K – $50M
Initialized Capitalreported · 2 sourcesSan Francisco · $1M – $5Mvia Andrew Sather · board
Lombardstreet VenturesreportedWoodside · $500K
Olive Tree CapitalreportedBoston
Reported raises · per SEC filings
Form D private placements▶$139MraisedApr 2026 · 165 investors · Other TechnologyRule 506(b)
▶$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
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
In the news
- Sygaldry Raises $139 Million to Build Quantum Computers For AIthequantuminsider.com · 2026
- AI and quantum startup Sygaldry raises $139m across two funding rounds - DCDdatacenterdynamics.com · 2026
- Sygaldry Technologies raises $139M from Bill Gates' Breakthrough Energy Ventures to build quantum AI servers — TFNtechfundingnews.com · 2026
- Sygaldry Technologies Raises $139M to Develop Quantum-Accelerated AI Infrastructure - Quantum Computing Reportquantumcomputingreport.com · 2026
- Sygaldry Raises $105M in Series A Fundingfinsmes.com · 2026
- Exclusive: Chad Rigetti’s Sygaldry raises $139 million to bring quantum hardware to AI data centers | Fortunefortune.com · 2026
- This Startup Wants to Harness Quantum Computing to Make AI More Affordableinc.com · 2025
- Sygaldry: Quantum-Accelerated AI Serversycombinator.com · 2025
