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 Alumni Ventures, Bloomberg Beta, Collaborative Fund, Detroit Venture Partners, Earth Venture Capital, Eight Capital, Expeditions, Garage Capital and 50 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.

Sygaldry Technologies

YC X25

Ann Arbor, US · Founded 2024 · Delaware corporation · 40 employees on LinkedIn · Hiring · 58 known investors

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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 Manufacturing AI & Machine Learning Hardware Quantum ComputingUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (X25)

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

Chad Rigetti CEO 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.

Idalia Friedson Co-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.

Meghan HudsonHead of HR

Board

Christian Garcia Investor and Board DirectorBreakthrough Energy Ventures at Breakthrough Energy Ventures

Andrew Sather Board directorPartner at Initialized Capital

Michael KeiserFounder

Investors · 58

Alumni Ventureslisted by Alumni VenturesManchester · $100K – $10M

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Bloomberg Betalisted by Bloomberg BetaSan Francisco · $25K – $1M

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Collaborative Fundlisted by Collaborative FundNew York · $500K – $1M

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Detroit Venture Partnerslisted by Detroit Venture PartnersDetroit

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Earth Venture Capitallisted by Earth Venture Capital

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Eight Capitallisted by Eight CapitalNorwalk

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Expeditionslisted by ExpeditionsWarsaw

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Garage Capitallisted by Garage CapitalWaterloo

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In-Q-Tellisted by In-Q-TelTysons · $100K – $2.5M

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Initialized Capitallisted by Initialized CapitalSan Francisco · $1M – $5Mvia Andrew Sather · board

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Maiora Rebel Ventureslisted by Maiora Rebel Ventures

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MVP Ventureslisted by MVP VenturesChicago

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Page One Ventureslisted by Page One VenturesSilicon Valley

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Pioneerlisted by PioneerToronto, Ontario

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Qubits Ventureslisted by Qubits VenturesPasadena

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Rebel Fundlisted by Rebel FundSan Francisco · $100K – $5M

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RRE Ventureslisted by RRE VenturesNew York · $5M – $15M

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Sparkwave Capitallisted by Sparkwave Capital

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SquareOne Capitallisted by SquareOne CapitalMiami

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Western Technology Investmentlisted by Western Technology InvestmentPortola Valley

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Y Combinatorlisted by Y CombinatorSan Francisco · $500K

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Z Venture Capitallisted by Z Venture CapitalTokyo

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ZAKA VClisted by ZAKA VCSan Francisco

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468 CapitalreportedBerlin

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A*reportedSan Francisco · $500K – $3M

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AIspace VenturesreportedSilicon Valley

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AME Cloud VenturesreportedPalo Alto · $1M – $10M

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Batch Venturesreported

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Blast.Clubreported$5.5M

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Breakthrough Energy VenturesreportedBoston · $500K – $50M

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Capitoriareported

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DCVC (Data Collective)reportedPalo Alto · $5M – $25M

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Flex Capital PartnersreportedSan Francisco · $500K – $2M

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Founder CapitalreportedSilicon Valley · $25K – $100K

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Larkin Street CapitalreportedLenexa

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Liquid VenturesreportedSan Francisco · $250K – $5M

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Lombardstreet VenturesreportedWoodside · $500K

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Lynett Capital PartnersreportedJupiter

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Michigan Venture CapitalreportedSeoul

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Morpheus VenturesreportedSherman Oaks · $1M – $10M

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Olive Tree CapitalreportedBoston

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Orange DAOreportedSan Francisco

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OurCrowdreportedJerusalem

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OvermatchreportedAustin · $2M

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QDNL ParticipationsreportedAmsterdam · $324K – $756K

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Rice CapitalreportedCovina

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Ritual CapitalreportedMenlo Park · $100K – $500K

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Rock Yard VenturesreportedBuena Park · $10K – $100K

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Singularity Venturesreported

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SV AngelreportedSan Francisco · $150K – $20M

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Switch VenturesreportedSan Francisco

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Tekedia CapitalreportedLagos · $1K

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Todd and Rahul’s Angel FundreportedSan Francisco · $300K – $500K

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Transpose Platform ManagementreportedSan Francisco

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Valkyrie Ventures Management, LlcreportedPark City

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Ventioneers CapitalreportedOakville

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Venture Investment AssociatesreportedPeapack

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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.

Founder mafia

2 people who came through Sygaldry Technologies went on to found or lead other companies.

Alex BangashInvestorFounded Transpose Platform Management +1 Chad RigettiCEOFounded Rigetti Quantum Computing

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Companies working in the same space as Sygaldry Technologies.

Legal entities · 1

corporate structure

Sygaldry Technologies, Inc.

In the news

Sygaldry Raises $105M in Series A Fundingfinsmes.com · Apr 2026

Sygaldry: Quantum-Accelerated AI Serversycombinator.com · May 2025

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 Alumni Ventures, Bloomberg Beta, Collaborative Fund, Detroit Venture Partners, Earth Venture Capital, Eight Capital, Expeditions, Garage Capital and 50 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.