Top Funding Rounds Week of July 27th
Investors funneled billions into Eaton Fiber and Commonwealth Fusion this past week, signaling a massive pivot toward long-term energy and infrastructure.
Published August 3, 2026 by Jacob Klionsky
- 01Internet Services•New York$1.5BPrivate Equity
Eaton Fiber, a wholesale fiber network platform, secured a $1.5 billion commitment led by Bain Capital’s Special Situations team and Tillman Global Holdings, with Platform Investment Partners and KLT remaining investors
- 02Energy • Science and Engineering•Massachusetts$1BEquity
Commonwealth Fusion Systems, a fusion power startup, raised $1 billion in a new funding round from significant institutional investors such as pension funds, sovereign wealth funds, and infrastructure and industrial corporate partners.
- 03Artificial Intelligence (AI) • Data and Analytics•Pais Vasco$570MSeries C
Multiverse Computing, a quantum computing startup, raised $570 million in a Series C at a $2.3 billion valuation led by Forgepoint Capital International, BNP Paribas Solar Impulse Venture Fund, and Bullhound Capital with participation from Santander Alternative Investments, Tikehau Capital, HP Inc., Orange Ventures, Scania Invest, NAventures, Qatar Development Bank, Zouk Capital, SETT, the EIC Fund, the Basque Government’s Hazten Scale-Up Fund, and Kutxa Fundazioa.
- 04Energy • Sustainability•California$550MSeries C
Antora Energy, a U.S. energy storage company, raised $550 million in a Series C co-led by G2 Venture Partners and Eclipse
- 05Manufacturing • Science and Engineering•California$500MSeries D
K2 Space, the leading manufacturer of big, high-power satellites, raised $500 million in a Series D at a $6.8 billion valuation led by Kleiner Perkins and ICONIQ with participation from CapitalG, Lightspeed, Altimeter, Spark Capital, Sands Capital, ARK Invest and T. Rowe Price Associates, Inc.
- 06Health Care • Software•Texas$450MEquity
Function, a health platform combining lab testing, imaging and personalized intelligence, raised $450 million in growth financing from General Catalyst's Customer Value Fund.
- 07Energy • Manufacturing•California$370MSeries C
Antares, a nuclear power startup building small modular reactors, raised $470 million in a Series C led by Paradigm and Caffeinated Capital with participation from Industrious Ventures, Point72 Ventures, and Shine Capital
- 08Blockchain and Cryptocurrency • Financial Services•New York$355MEquity
Canton Network, a crypto startup, raised $355M in a funding round led by a16z Crypto with participation from Shinhan Investment & Securities.
- 09Artificial Intelligence (AI) • Hardware•HaDarom$300MEquity
Xsight Labs, a fabless semiconductor provider of intelligent connectivity solutions, raised more than $300 million in a funding round at a $2.8 billion post-money valuation led by Fidelity Management & Research Company with participation from Aliya Capital Partners, Atreides Management, Artisan Partners, Battery Ventures, Diagonal Capital, Intel Capital, Key1 Capital, Maverick Capital, Sienna, T. Rowe Price, Union Group, and Valor Equity Partners.
- 10Consumer Electronics • Hardware•New York$300MEquity
GlobalFoundries, a UAE-backed chipmaker, secured $300 million in U.S. government funding under the Biden-era Chips Act, with the U.S. Department of Commerce receiving about a 1% stake.
- 11Artificial Intelligence (AI) • Data and Analytics•Florida$200MEquity
Spur Intelligence, a bot-detection cybersecurity startup, raised $200 million in a round led by Insight Partners.
- 12Artificial Intelligence (AI) • Data and Analytics•California$200MSeries B
Simile, a synthetic-user startup, raised $200M in a Series B at a $2B valuation led by Greenoaks with participation from Index, Hanabi, Bain Capital Ventures, A*, Factory, Definition, and CVS Health Ventures
- 13Information Technology • Privacy and Security•Florida$190MSeries F
ThreatLocker, a Zero Trust cybersecurity company, raised $190 million in a Series F financing led by Elephant with participation from D. E. Shaw Ventures, Arthur Ventures, and Koch Disruptive Technologies.
- 14
Financial Services • Lending and Investments•New York$170MSeries DCAIS, an alternative investment platform for independent financial advisors, raised $170M in a Series D at a $2B valuation led by Vista Equity Partners with participation from AllianceBernstein, Blue Owl Capital, Carlyle, Fortress Investment Group, Golub Capital, Lord Abbett, and Royal Bank of Canada.
- 15Financial Services • Lending and Investments•New York$160MEquity
PEX, a corporate card and spend management platform, raised $160M in debt and equity financing led by Bluff Point Associates with participation from Clear Haven Capital Management
- 16CArtificial Intelligence (AI) • Data and Analytics•District of Columbia$160MEquity
Cathedral, a defense technology startup focused on AI-powered military cyber operations, raised $160 million at a $1.4 billion valuation led by Andreessen Horowitz and Sequoia Capital.
- 17Artificial Intelligence (AI) • Consumer Electronics•California$145MSeries C
Eliyan, a leader in foundational connectivity technologies for AI compute and networking, raised $145 million in a Series C at a $1 billion valuation led by Seligman Ventures with participation from Cisco Investments and Lumentum.
- 18Biotechnology • Health Care•New Jersey$118MSeries B
Claris Biotherapeutics, a biotech focused on corneal disease, raised $118M in a Series B led by Samsara Biocapital and Catalio Capital Management with participation from Novo Holdings, Adage Capital Management, Sofinnova Investments, Aisling Capital and ADAR1 Capital Management.
- 19Artificial Intelligence (AI) • Data and Analytics•Tokyo$115MEquity
Genki Robotics, a robotics startup, raised $115 million in a funding round from about 21 investors from the U.S. and Japan.
- 20Artificial Intelligence (AI) • Data and Analytics•Delaware$113MSeries B
Onyx Security, an AI control company, raised $113M in a Series B led by Bessemer Venture Partners with participation from Cyberstarts, TCV, Conviction, FirstMark, Vintage, QuantumLight, and G Squared.
