The 7 Largest US Funding Rounds of December 2023

The 7 Largest US Funding Rounds of December 2023

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Armed with some data from our friends at CrunchBase, I broke down the largest US startup funding rounds from December 2023. I have included some additional information such as industry, company description, round type, founders, and total equity funding raised to further the analysis.


The TechWatch Media Group audience is driving progress and innovation on a global scale. With its regional media properties (NYC Tech, LA Tech, London Tech, Paris Tech, Boston Tech) TechWatch Media Group is the highway for technology and entrepreneurship. There are a number of options to reach this audience of the world’s most innovative organizations and startups at scale including developing prominent brand placement, driving demand generation, and building thought leadership among the vast majority of key influencers in the global business community and beyond. Find out how to run a digital campaign that will return your investment here.


7. True Anomaly $100.0M

Round: Series B
Description: Centennial-based True Anomaly develops space security technologies using AI, software, and spacecraft to enhance global security and sustainability. Founded by Even Rogers in 2022, True Anomaly has now raised a total of $140.6M in total equity funding and is backed by 645 Ventures, Menlo Ventures, ACME Capital, Riot Ventures, and Rocketship.vc.
Investors in the round: Ares Management, Curtiss-Wright, DL E&C, Doosan Group, Kam Ghaffarian, Ontario Power Generation, Segra Capital
Industry: Aerospace, Machinery Manufacturing, Military, Space Travel
Founders: Even Rogers
Founding year: 2022
Location: Centennial
Total equity funding raised: $140.6M


The TechWatch Media Group audience is driving progress and innovation on a global scale. With its regional media properties (NYC Tech, LA Tech, London Tech, Paris Tech, Boston Tech) TechWatch Media Group is the highway for technology and entrepreneurship. There are a number of options to reach this audience of the world’s most innovative organizations and startups at scale including developing prominent brand placement, driving demand generation, and building thought leadership among the vast majority of key influencers in the global business community and beyond. Find out how to run a digital campaign that will return your investment here.


6. VAST Data $118.0M

Round: Series E
Description: New York-based VAST Data offers a unified data platform that integrates storage, database, and compute capabilities into a single software platform. Founded by Jeff Denworth, Renen Hallak, and Shachar Fienblit in 2016, VAST Data has now raised a total of $381.0M in total equity funding and is backed by NVIDIA, Goldman Sachs, Drive Capital, Fidelity Management and Research Company, and New Enterprise Associates.
Industry: Artificial Intelligence (AI), Database, Software
Founders: Jeff Denworth, Renen Hallak, Shachar Fienblit
Founding year: 2016
Location: New York
Total equity funding raised: $381.0M


The TechWatch Media Group audience is driving progress and innovation on a global scale. With its regional media properties (NYC Tech, LA Tech, London Tech, Paris Tech, Boston Tech) TechWatch Media Group is the highway for technology and entrepreneurship. There are a number of options to reach this audience of the world’s most innovative organizations and startups at scale including developing prominent brand placement, driving demand generation, and building thought leadership among the vast majority of key influencers in the global business community and beyond. Find out how to run a digital campaign that will return your investment here.


5. Vestwell $125.0M

Round: Series D
Description: New York-based Vestwell develops a digital savings platform to create a retirement plan for employees. Founded by Aaron Schumm in 2016, Vestwell has now raised a total of $237.5M in total equity funding and is backed by Goldman Sachs, Morgan Stanley, Blue Owl, BNY Mellon, and Lightspeed Venture Partners.
Investors in the round: 3STATE Ventures, Anthelion Capital, Blume Ventures, Mithril Capital Management
Industry: Employee Benefits, Finance, Financial Services, FinTech, Retirement
Founders: Aaron Schumm
Founding year: 2016
Location: New York
Total equity funding raised: $237.5M


The TechWatch Media Group audience is driving progress and innovation on a global scale. With its regional media properties (NYC Tech, LA Tech, London Tech, Paris Tech, Boston Tech) TechWatch Media Group is the highway for technology and entrepreneurship. There are a number of options to reach this audience of the world’s most innovative organizations and startups at scale including developing prominent brand placement, driving demand generation, and building thought leadership among the vast majority of key influencers in the global business community and beyond. Find out how to run a digital campaign that will return your investment here.


4. xAI $134.7M

Round: Pre-Seed
Description: Austin-based xAI is an AI company that seeks to understand the true nature of the universe. Founded by Elon Musk in 2023, xAI has now raised a total of $134.7M in total equity funding and is backed by Roman Smolevskiy.
Investors in the round: Roman Smolevskiy
Industry: Artificial Intelligence (AI), Generative AI, Information Technology, Machine Learning
Founders: Elon Musk
Founding year: 2023
Location: Austin
Total equity funding raised: $134.7M


The TechWatch Media Group audience is driving progress and innovation on a global scale. With its regional media properties (NYC Tech, LA Tech, London Tech, Paris Tech, Boston Tech) TechWatch Media Group is the highway for technology and entrepreneurship. There are a number of options to reach this audience of the world’s most innovative organizations and startups at scale including developing prominent brand placement, driving demand generation, and building thought leadership among the vast majority of key influencers in the global business community and beyond. Find out how to run a digital campaign that will return your investment here.


3. GreyOrange $135.0M

Round: Series D
Description: Roswell-based GreyOrange is a technology startup that creates artificial intelligence-driven software and mobile robots for the warehousing industry. Founded by Akash Gupta, Samay Kohli, and Wolfgang Hoeltgen in 2011, GreyOrange has now raised a total of $415.0M in total equity funding and is backed by Anthelion Capital, BlackRock, Flipkart, Blume Ventures, and InnoVen Capital.
Investors in the round: Blue Owl, Fin Capital, FinTech Collective, HarbourVest Partners, Lightspeed Venture Partners, Primary Venture Partners
Industry: Artificial Intelligence (AI), Robotics, Warehouse Automation, Warehousing
Founders: Akash Gupta, Samay Kohli, Wolfgang Hoeltgen
Founding year: 2011
Location: Roswell
Total equity funding raised: $415.0M


The TechWatch Media Group audience is driving progress and innovation on a global scale. With its regional media properties (NYC Tech, LA Tech, London Tech, Paris Tech, Boston Tech) TechWatch Media Group is the highway for technology and entrepreneurship. There are a number of options to reach this audience of the world’s most innovative organizations and startups at scale including developing prominent brand placement, driving demand generation, and building thought leadership among the vast majority of key influencers in the global business community and beyond. Find out how to run a digital campaign that will return your investment here.


2. Lightmatter $155.0M

Round: Series C
Description: Boston-based Lightmatter changes chip architecture, powering faster, energy-efficient computing with photonic processors for sustainable AI advancement. Founded by Carlos Virella, Darius Bunandar, Nicholas Harris, and Thomas Graham in 2017, Lightmatter has now raised a total of $422.0M in total equity funding and is backed by Eastward Capital Partners, Google Ventures, Viking Global Investors, Hewlett Packard Enterprise, and Fidelity Management and Research Company.
Investors in the round: Bond Capital, Drive Capital, Fidelity Management and Research Company, New Enterprise Associates
Industry: Artificial Intelligence (AI), Hardware, Machine Learning, Semiconductor, Software
Founders: Carlos Virella, Darius Bunandar, Nicholas Harris, Thomas Graham
Founding year: 2017
Location: Boston
Total equity funding raised: $422.0M


The TechWatch Media Group audience is driving progress and innovation on a global scale. With its regional media properties (NYC Tech, LA Tech, London Tech, Paris Tech, Boston Tech) TechWatch Media Group is the highway for technology and entrepreneurship. There are a number of options to reach this audience of the world’s most innovative organizations and startups at scale including developing prominent brand placement, driving demand generation, and building thought leadership among the vast majority of key influencers in the global business community and beyond. Find out how to run a digital campaign that will return your investment here.


1. XENERGY $235.0M

Round: Series C
Description: Rockville-based X-energy is a nuclear reactor and fuel design engineering company that reinvents nuclear power for a carbon-free energy. Founded by Kam Ghaffarian in 2009, XENERGY has now raised a total of $235.0M in total equity funding and is backed by Ares Management, Alumni Ventures, US Department of Energy, Doosan Group, and ARPA-E.
Investors in the round: 645 Ventures, ACME Capital, Champion Hill Ventures, Eclipse Ventures, FiveNine Ventures, Menlo Ventures, Narya Capital, Riot Ventures, Rocketship.vc
Industry: Clean Energy, CleanTech, Energy, Renewable Energy
Founders: Kam Ghaffarian
Founding year: 2009
Location: Rockville
Total equity funding raised: $235.0M


The TechWatch Media Group audience is driving progress and innovation on a global scale. With its regional media properties (NYC Tech, LA Tech, London Tech, Paris Tech, Boston Tech) TechWatch Media Group is the highway for technology and entrepreneurship. There are a number of options to reach this audience of the world’s most innovative organizations and startups at scale including developing prominent brand placement, driving demand generation, and building thought leadership among the vast majority of key influencers in the global business community and beyond. Find out how to run a digital campaign that will return your investment here.


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