Sygaldry Raises $105 Million in Series A Funding Led by Breakthrough Energy Ventures
Sygaldry, a startup designing servers for AI data centers with quantum hardware and classical chips, raised $105 million in a Series A round that closed in March. The company, cofounded by Chad Rigetti in 2024, has now secured a total of $139 million in funding. Additional funding rounds and acquisitions occurred across quantum computing, biotech, and other sectors.
Fortune# Sygaldry Secures Series A Funding Sygaldry raised $105 million in a Series A round led by Breakthrough Energy Ventures that closed in March. The funding brings the company's total to $139 million. Sygaldry designs servers for AI data centers that include both quantum hardware and classical chips.
A cofounder left a quantum computing company he founded in 2013. Sygaldry's cofounders are Idalia Friedson and Michael Keiser.
Carmichael Roberts stated via email that “the energy intensity of large language models continues to grow at a rate that is unsustainable” and that there’s a path to breaking this paradigm Sygaldry can capitalize on.
Other Startups Raise Funding Neomorph raised $100 million in Series B funding led by Deerfield Management and joined by Regeneron Ventures, Longwood Fund, Alexandria Venture Investments, and others.
San Diego, Calif.-based developer of protein degradation drugs designed to treat serious diseases. pH7 raised $32 million in funding from Asahi Kasei and the Circular Innovation Fund. pH7 is a Vancouver, Canada-based critical metals extraction company.
Critical Loop raised $26 million in Series A funding led by Conifer Infrastructure Partners and Hanover and joined by Better Ventures, Climate Capital, Adapt Nation Capital, and Cyrus Ventures. Long Beach, Calif.-based industrial power solutions company.
Space and AI Labs Secure Investments Citra Space Corporation raised $15 million in Series A funding led by Washington Harbour Partners and joined by Industrious Ventures, Reliable Properties, and existing investors.
Colorado Springs, Colo.-based developer of space object identification capabilities. Helical raised $10 million in seed funding led by redalpine and joined by Gradient, BoxGroup, Frst, and angel investors. Helical is a Gare, Luxembourg-based AI lab for biology.
$7.5 million in seed funding led by Collide Capital and Slow Ventures and joined by Connexa Capital, Elevated Huts, and existing investors I2BF and Bienville Capital. Prefix is a New York City-based AI-powered facility management platform for multi-site restaurant and retail operators.
Smaller Rounds and Acquisitions Debbie raised $5.3 million in seed funding led by Trustage Ventures and Reseda Group and joined by One Way Ventures, Zeal Capital Partners, and others. Debbie is a New York City-based developer of rewards for users to save money or build wealth. Replenit raised $2.5 million in pre-seed funding led by Movens Capital and Vastpoint and joined by Logo Ventures, DigitalOcean Ventures, and others.
Replenit is a Warsaw, Poland-based AI decision engine for retail. Orbital raised $1 million in funding led by a16z speedrun. Los Angeles, Calif.-based developer of GPU data centers in low Earth orbit. AppDirect, backed by CDPQ, acquired PartnerStack.
PartnerStack is a Toronto, Canada-based partner relationship management platform. Financial terms of the AppDirect acquisition of PartnerStack were not disclosed. Q4, backed by Sumeru Equity Partners, acquired Virtua Research.
Boston, Mass.-based financial intelligence platform. Financial terms of the Q4 acquisition of Virtua Research were not disclosed. Eurazeo agreed to acquire a majority stake in Netco Group from Ardian. Netco Group is a Bordeaux, France-based conveyor systems maintenance company.
Financial terms of the Eurazeo acquisition of Netco Group were not disclosed.
Companies Plan Public Offerings Kailera Therapeutics plans to raise up to $532.8 million in an offering of 33.3 million shares priced between $14 and $16 on the Nasdaq. Waltham, Mass.-based developer of GLP-1s for obesity. Kailera Therapeutics is backed by Bain Capital Life Sciences, BCPE Perseus Investor, Jiangsu Hengrui Pharmaceuticals, RTW Investments, CPP Investment Board Private Holdings, and Atlas Venture Fund.
Yesway plans to raise up to $322 million in an offering of 14 million shares priced between $20 and $23 on the Nasdaq. Yesway is a Fort Worth, Texas-based convenience store chain. 7 billion in revenue for the year ended Dec. 31 and is backed by Brookwood Financial Partners.
5 million shares priced between $13 and $16 on the Nasdaq. National Healthcare Properties is a New York City-based real estate investment trust. National Healthcare Properties posted $342 million in revenue for the year ended Dec. 31. 4 million shares priced between $15 and $17 on the Nasdaq.
-based protein detection and analysis company. Alamar Biosciences posted $74 million in revenue for the year ended Dec. 31 and is backed by Qiming Venture Partners, Illumina Innovation Fund, Sherpa Healthcare Partners, and Sands Capital Life Sciences.
Sygaldry has raised a total of $139 million, including a $105 million Series A led by Breakthrough Energy Ventures that closed in March. The company’s $34 million seed round was led by Initialized Capital.
Private Equity Funds Close 26North Partners raised approximately $5.9 billion for its first fund focused on the industrial, technology, media, telecommunications, and services sectors. 26North Partners is a New York City-based private equity firm. Dominus Capital raised $640 million for its fourth fund focused on companies in the business services and diversified industrial sectors.
Dominus Capital is a New York City-based private equity firm. Maple Park Capital hired Grant Mueller as a vice president. Maple Park Capital is a Dallas, Texas and New York City-based private equity firm.
Grant Mueller was previously with Franchise Equity Partners.
Story Timeline
5 events- March 2026
Sygaldry raised $105 million in Series A round led by Breakthrough Energy Ventures.
1 sourceFortune - August 2025
Sygaldry raised $34 million in seed round led by Initialized Capital.
1 sourceFortune - 2024
Chad Rigetti cofounded Sygaldry after leaving Rigetti Computing.
1 sourceFortune - 2022
Rigetti Computing went public via SPAC.
1 sourceFortune - 2013
Rigetti Computing was founded by Chad Rigetti.
1 sourceFortune
Potential Impact
- 01
Large PE funds from 26North and Dominus provide capital for investments in industrial and services sectors.
- 02
Planned IPOs for Kailera, Yesway, and others increase public market access for biotech and retail firms.
- 03
Neomorph's Series B supports advancement of protein degradation drugs, aiding treatments for serious diseases.
- 04
Acquisitions like AppDirect of PartnerStack consolidate partner management platforms, improving efficiency for SaaS companies.
- 05
Sygaldry's funding enables development of quantum-classical servers for AI, potentially accelerating commercial production by end of decade.
Transparency Panel
Related Stories
United Airlines CEO Discusses Potential Merger with American Airlines in February White House Meeting
United Airlines CEO Scott Kirby proposed a merger with American Airlines during a February 25 White House meeting with Donald Trump focused on Dulles Airport's future. The pitch occurred amid discussions on airline competitiveness. Shares of both airlines rose in premarket tradin…
cnbc.comMajor U.S. Banks Report Strong First-Quarter Profits Amid Trading Surge and Economic Risks
America's largest banks posted record first-quarter profits in 2026, fueled by elevated trading activity and investment banking fees. JPMorgan Chase led with revenue of $50.5 billion and earnings per share of $5.94, surpassing estimates. The bank's CEO highlighted a complex set o…
GB NewsGreat Britain's Updated Demand Flexibility Scheme Launches This Week
The updated Demand Flexibility Scheme launches this week, approved by Ofgem last month and operated by the National Energy System Operator. The scheme aims to stabilise the electricity grid during summer by shifting customer demand. British Gas, Equiwatt, and Octopus Energy have…