The 12 Largest US Funding Rounds of July 2026

Armed with some data from our friends at CrunchBase, we take a look at the largest US startup funding rounds from July 2026. Beyond the raw funding numbers, this month’s analysis includes detailed information about each company’s industry focus, founding team, investors, business model, and total funding history to provide deeper context about these high-growth ventures.

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12. Simile $200.0M
Description: Palo Alto-based Simile develops AI agents and communication infrastructure designed to automate and improve customer interactions, collaboration, and relationship-based workflows. Founded by Joon Park, Lainie Yallen, and Michael Bernstein in 2025, Simile has now raised a total of $300M in total equity funding and is backed by Index Ventures, A*, Factory, Bain Capital Ventures, and Greenoaks.
Investors in the round: A*, Bain Capital Ventures, CVS Health Ventures, Definition, Factory, Greenoaks, Hanabi Capital, Index Ventures
Industry: Artificial Intelligence (AI), Customer Service, Online Portals
Founders: Joon Park, Lainie Yallen, Michael Bernstein
Founding year: 2025
Total equity funding raised: $300.0M

11. Etched $300.0M
Description: San Jose-based Etched develops purpose-built AI chips and systems optimized for transformer inference, designed to deliver high-performance compute for large-scale generative AI workloads. Founded by Chris Zhu, Gavin Uberti, and Robert Wachen in 2022, Etched has now raised a total of $925.4M in total equity funding and is backed by Andreessen Horowitz, Sequoia Capital, Hummingbird Ventures, SK Hynix, and Fundomo.
Investors in the round: Andreessen Horowitz, Argo, Jane Street Capital, Sequoia Capital, SK Hynix
Industry: AI Infrastructure, Artificial Intelligence (AI), Computer, Hardware, Semiconductor
Founders: Chris Zhu, Gavin Uberti, Robert Wachen
Founding year: 2022
Total equity funding raised: $925.4M

11. Oratomic $300.0M
Description: South Pasadena-based Oratomic develops neutral-atom quantum computing hardware and fault-tolerant architectures designed to scale quantum systems through error correction. Founded in 2026, Oratomic has now raised a total of $310M in total equity funding and is backed by General Catalyst, Index Ventures, Khosla Ventures, ARCH Venture Partners, and Spark Capital.
Investors in the round: 7i Capital, ARCH Venture Partners, Baiju Bhatt, Bain Capital Ventures, Bezos Expeditions, David Aaronson, Formation 8, General Catalyst, Global Frontier Investments, Index Ventures, Infleqtion, Khosla Ventures, Lowercarbon Capital, Nebular, Scott Aaronson, Spark Capital
Industry: Artificial Intelligence (AI), Enterprise Software, Machine Learning, Optical Communication, Quantum Computing
Founders:
Founding year: 2026
Total equity funding raised: $310.0M

11. Walden Robotics $300.0M
Description: Cambridge-based Walden Robotics develops wheeled, dual-arm robots and physical AI systems designed to automate material handling and other logistics and industrial tasks. Founded by Adrien Gaidon, Ben Burchfiel, Dave Johnson, Kerri Fetzer-Borelli, Rareş Ambruş, and Russ Tedrake in 2026, Walden Robotics has now raised a total of $300M in total equity funding and is backed by Menlo Ventures, NVIDIA, The Boeing Company, Toyota Ventures, and Calibrate Ventures.
Investors in the round: AE Ventures, Calibrate Ventures, Colle Capital Partners, CoreWeave Ventures, Deviation Capital, KAS Venture Partners, Menlo Ventures, NextView Ventures, NVIDIA, One Madison Group, Prologis Ventures, Samsung Ventures, Shine Capital, Squarepoint Capital, The Boeing Company, Toyota, Toyota Ventures
Industry: Artificial Intelligence (AI), Logistics, Robotics
Founders: Adrien Gaidon, Ben Burchfiel, Dave Johnson, Kerri Fetzer-Borelli, Rareş Ambruş, Russ Tedrake
Founding year: 2026
Total equity funding raised: $300.0M

10. Antares $370.0M
Description: Los Angeles-based Antares develops factory-produced nuclear fission microreactors designed to provide compact, reliable power for defense, remote, industrial, and other strategic applications. Founded by Jordan Bramble and Julia DeWahl in 2023, Antares has now raised a total of $471M in total equity funding and is backed by Paradigm, BoxGroup, Caffeinated Capital, Industrious Ventures, and Banter Capital.
Investors in the round: Caffeinated Capital, Industrious Ventures, Paradigm, Point72 Ventures, Shine Capital
Industry: Energy, Industrial, Machinery Manufacturing, Manufacturing
Founders: Jordan Bramble, Julia DeWahl
Founding year: 2023
Total equity funding raised: $471.0M

9. Meshy AI $400.0M
Description: Sunnyvale-based Meshy AI provides an AI-powered 3D creation platform that turns text, images, sketches, and conversational prompts into textured, rigged, and export-ready 3D models. Founded by Ethan Hu in 2021, Meshy AI has now raised a total of $450M in total equity funding and is backed by Matrix Partners China, HSG, Source Code Capital, Granite Asia, and BAI capital.
Investors in the round: BAI capital, Granite Asia, HSG, IDG Capital, Matrix Partners China, Monolith Capital, Source Code Capital
Industry: 3D Printing, 3D Technology, Art, Artificial Intelligence (AI), Gaming, Generative AI, Machine Learning
Founders: Ethan Hu
Founding year: 2021
Total equity funding raised: $450.0M

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9. Chai Discovery $400.0M
Description: San Francisco-based Chai Discovery develops multimodal foundation models for molecular structure prediction and design to accelerate drug discovery and biological engineering. Founded by Jack Dent, Jacques Boitreaud, Joshua Meier, and Matthew McPartlon in 2024, Chai Discovery has now raised a total of $630M in total equity funding and is backed by OpenAI, Menlo Ventures, General Catalyst, Index Ventures, and Sequoia Capital.
Investors in the round: Avenir, Avra Capital, Baillie Gifford, Bain Capital Ventures, Battery Ventures, BDT & MSD Partners, Dimension Capital, General Catalyst, Glade Brook Capital Partners, Index Ventures, Kleiner Perkins, Lachy Groom, Menlo Ventures, Oak HC/FT, OpenAI, Sapphire Ventures, Sequoia Capital, Thrive Capital, Yosemite
Industry: Artificial Intelligence (AI), Foundational AI, Health Care, Life Science
Founders: Jack Dent, Jacques Boitreaud, Joshua Meier, Matthew McPartlon
Founding year: 2024
Total equity funding raised: $630.0M

8. K2 Space $500.0M
Description: Torrance-based K2 Space develops high-power, large satellite platforms designed to deliver greater payload mass, power, propulsion, and resilience across low, medium, and geostationary Earth orbits. Founded by Karan Kunjur and Neel Kunjur in 2022, K2 Space has now raised a total of $925.5M in total equity funding and is backed by Lightspeed Venture Partners, First Round Capital, Kleiner Perkins, Spark Capital, and T. Rowe Price.
Investors in the round: Altimeter Capital, ARK Investment Management, CapitalG, ICONIQ Capital, Kleiner Perkins, Lightspeed Venture Partners, Sands Capital Ventures, Spark Capital, T. Rowe Price
Industry: Aerospace, Machinery Manufacturing, Manufacturing, Space Travel
Founders: Karan Kunjur, Neel Kunjur
Founding year: 2022
Total equity funding raised: $925.5M

7. Antora Energy $550.0M
Description: San Jose-based Antora Energy develops thermal energy storage systems that convert renewable electricity into high-temperature heat and deliver industrial heat and power on demand. Founded by Andrew Ponec, David Bierman, and Justin Briggs in 2018, Antora Energy has now raised a total of $750M in total equity funding and is backed by Temasek, BlackRock, Eclipse, Trust Ventures, and Salesforce Ventures.
Investors in the round: Activate Capital Partners, Breakthrough Energy Ventures, Decarbonization Partners, Eclipse, G2 Venture Partners, Impact Science Ventures, John Doerr, Liberty Mutual Strategic Ventures, Lowercarbon Capital, Ribbit Capital, Salesforce Ventures, StepStone Group, The Westly Group, Trust Ventures
Industry: Energy, Energy Storage, Renewable Energy
Founders: Andrew Ponec, David Bierman, Justin Briggs
Founding year: 2018
Total equity funding raised: $750.0M

6. Wonder $650.0M
Description: New York-based Wonder operates a mealtime platform combining delivery, pickup, dine-in, meal kits, and chef-driven restaurants, including multi-restaurant ordering through a single experience. Founded by Juan Cappello and Marc Lore in 2018, Wonder has now raised a total of $3.1B in total equity funding and is backed by Accel, General Catalyst, New Enterprise Associates, Forerunner, and Bain Capital Ventures.
Investors in the round: Accel, AllianceBernstein, ARK Investment Management, Google Ventures, Kayne Anderson Rudnick (KAR), New Enterprise Associates
Industry: E-Commerce, Food and Beverage, Food Delivery, Restaurants
Founders: Juan Cappello, Marc Lore
Founding year: 2018
Total equity funding raised: $3.1B

5. Together AI $800.0M
Description: San Francisco-based Together AI provides a full-stack AI cloud for inference, GPU compute, fine-tuning, model shaping, and pre-training of open-source and generative AI models. Founded by Ce Zhang, Chris Re, Percy Liang, Tri Dao, and Vipul Ved Prakash in 2022, Together AI has now raised a total of $1.3B in total equity funding and is backed by Vista Equity Partners, NVIDIA, General Catalyst, Alumni Ventures, and Factory.
Investors in the round: Aramco Ventures, DTCP, Emergence Capital, General Catalyst, Geodesic Capital, Lux Capital, March Capital, NVIDIA, Pegatron, PSP Capital Partners, Salesforce Ventures, Schneider Electric, S Ventures, Vista Equity Partners
Industry: AI Infrastructure, Artificial Intelligence (AI), Generative AI, IT Infrastructure, Machine Learning, Open Source
Founders: Ce Zhang, Chris Re, Percy Liang, Tri Dao, Vipul Ved Prakash
Founding year: 2022
Total equity funding raised: $1.3B

4. Commonwealth Fusion Systems $1.0B
Description: Cambridge-based Commonwealth Fusion Systems develops commercial fusion energy systems using high-temperature superconducting magnets, including the SPARC demonstration tokamak and planned ARC grid-scale power plant. Founded by Dan Brunner, Martin Greenwald, and Robert Mumgaard in 2017, Commonwealth Fusion Systems has now raised a total of $3.9B in total equity funding and is backed by Temasek, Khosla Ventures, Coatue, Quiet Capital, and HOF Capital.
Investors in the round: Not disclosed
Industry: Clean Energy, Electrical Distribution, Energy, Environmental Engineering, Nuclear, Renewable Energy
Founders: Dan Brunner, Martin Greenwald, Robert Mumgaard
Founding year: 2017
Total equity funding raised: $3.9B

4. SambaNova $1.0B
Description: Palo Alto-based SambaNova provides an integrated AI platform combining its RDU processors, systems, and software to deliver high-speed, energy-efficient inference and enterprise agentic AI deployments. Founded by Christopher Re, Kunle Olukotun, and Rodrigo Liang in 2017, SambaNova has now raised a total of $2.5B in total equity funding and is backed by Vista Equity Partners, General Atlantic, Temasek, BlackRock, and Battery Ventures.
Investors in the round: A&E Investments, Assam Ventures, Battery Ventures, BlackRock, Cambium Capital Partners, Capital Group, General Atlantic, Intel Capital, Kabila Capital, Qatar Investment Authority, QFO Capital, Seligman Ventures, T. Rowe Price, Vista Equity Partners, Volantis Capital Management
Industry: AI Infrastructure, Analytics, Artificial Intelligence (AI), Machine Learning, Semiconductor, Software
Founders: Christopher Re, Kunle Olukotun, Rodrigo Liang
Founding year: 2017
Total equity funding raised: $2.5B

3. Fireworks AI $1.5B
Description: Redwood City-based Fireworks AI provides an AI infrastructure platform for building, fine-tuning, and deploying generative AI models with high-performance inference and production-scale model serving. Founded by Chenyu Zhao, Dmytro Dzhulgakov, Dmytro Ivchenko, James Reed, Lin Qiao, and Pawel Garbacki in 2022, Fireworks AI has now raised a total of $1.8B in total equity funding and is backed by Menlo Ventures, Lightspeed Venture Partners, NVIDIA, Index Ventures, and Sequoia Capital.
Investors in the round: Atreides Management, Benchmark, Bessemer Venture Partners, Evantic Capital, Index Ventures, Insight Partners, Lightspeed Venture Partners, Lone Pine Capital, Menlo Ventures, NVIDIA, Ontario Teachers’ Pension Plan, Operator Collective, Original Capital, Prysm Capital, QuantumLight, TCV, The Twenty Minute VC, Time Ventures
Industry: Artificial Intelligence (AI), Data Management, Infrastructure, SaaS, Software
Founders: Chenyu Zhao, Dmytro Dzhulgakov, Dmytro Ivchenko, James Reed, Lin Qiao, Pawel Garbacki
Founding year: 2022
Total equity funding raised: $1.8B

2. Atoms $1.7B
Description: Los Angeles-based Atoms develops industrial robotics and physical AI systems designed to automate labor-intensive operations across industries including food, mining, transportation, and logistics. Founded by Sky Dayton and Travis Kalanick in 2016, Atoms has now raised a total of $3B in total equity funding and is backed by Andreessen Horowitz, Craft Ventures, A*, Abstract, and Bain Capital Ventures.
Investors in the round: A*, Abstract, Alpha Square Group, Andreessen Horowitz, Bain Capital Ventures, Chemistry, Fifth Wall, K5 Global, SV Angel, Uber
Industry: Artificial Intelligence (AI), Commercial Real Estate, Industrial, Information Technology, Infrastructure, Mining Technology, Real Estate, Robotics
Founders: Sky Dayton, Travis Kalanick
Founding year: 2016
Total equity funding raised: $3.0B

1. Blue Origin $10.0B
Description: Kent-based Blue Origin develops reusable launch vehicles, rocket engines, lunar systems, and space technologies designed to lower the cost of access to space and enable expanded human activity beyond Earth. Founded by Jeff Bezos in 2000, Blue Origin has now raised a total of $10B in total equity funding and is backed by Coatue, E1 Ventures, NASA, United States Space Force, and Jeff Bezos.
Investors in the round: Coatue, Jeff Bezos
Industry: Aerospace, Manufacturing, National Security, Renewable Energy
Founders: Jeff Bezos
Founding year: 2000
Total equity funding raised: $10.0B