We’ve analyzed the month’s most significant venture capital deals by looking at the largest US startup funding rounds from December 2024, leveraging data from CrunchBase. Beyond the raw funding numbers, this month’s analysis includes detailed information about each company’s industry focus, founding team, business model, and total funding history to provide deeper context about these high-growth ventures.
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16. Parafin $100.0M
Round: Series C
Description: San Francisco-based Parafin is a financial infrastructure company that offers pre-built financial services programs to support small businesses. Founded by Ralph Furman, Sahill Poddar, and Vineet Goel in 2020, Parafin has now raised a total of $194.0M in total equity funding and is backed by Notable Capital, Redpoint, Ribbit Capital, and Thrive Capital.
Investors in the round: GIC, Notable Capital, Redpoint, Ribbit Capital, Thrive Capital
Industry: Finance, Financial Services, FinTech, Small and Medium Businesses
Founders: Ralph Furman, Sahill Poddar, Vineet Goel
Founding year: 2020
Location: San Francisco
Total equity funding raised: $194.0M
16. Upwind Security $100.0M
Round: Series A
Description: San Francisco-based Upwind Security provides cybersecurity solutions to protect organizations from digital threats and vulnerabilities. Founded by Amiram Shachar in 2022, Upwind Security has now raised a total of $180.0M in total equity funding and is backed by Craft Ventures, TCV, Cyberstarts, Alta Park Capital, and Leaders Fund.
Investors in the round: Alta Park Capital, Cerca Partners, Craft Ventures, Cyberstarts, Greylock, Leaders Fund, Penny Jar Capital, Sheva Capital, TCV
Industry: Cloud Infrastructure, Cloud Management, Cloud Security, Information Technology, Software
Founders: Amiram Shachar
Founding year: 2022
Location: San Francisco
Total equity funding raised: $180.0M
16. Boom Supersonic $100.0M
Round: Series A
Description: Centennial-based Boom Supersonic is a commercial airplane manufacturer that builds supersonic airliners designed for speed, safety, and sustainability. Founded by Blake Scholl, Joe Wilding, and Joshua Krall in 2014, Boom Supersonic has now raised a total of $347.5M in total equity funding and is backed by Y Combinator, Bessemer Venture Partners, Emerson Collective, and Angel Collective Opportunity Fund.
Investors in the round: Alexander Gerko, Bessemer Venture Partners, Michael Moritz, Paul Graham, Reid Hoffman, Sam Altman, Y Combinator
Industry: Aerospace, Air Transportation, Manufacturing
Founders: Blake Scholl, Joe Wilding, Joshua Krall
Founding year: 2014
Location: Centennial
Total equity funding raised: $347.5M
16. Remodel Health $100.0M
Round: Venture – Series Unknown
Description: Indianapolis-based Remodel Health delivers software to assist employers in managing health benefits and transitioning to ICHRA. Founded by Justin Clements and Scott Lingle in 2015, Remodel Health has now raised a total of $100.0M in total equity funding and is backed by Hercules Capital and Oak HC/FT.
Investors in the round: Hercules Capital, Oak HC/FT
Industry: Employee Benefits, Health Care, Software
Founders: Justin Clements, Scott Lingle
Founding year: 2015
Location: Indianapolis
Total equity funding raised: $100.0M
15. Precision Neuroscience $102.0M
Round: Series C
Description: New York-based Precision Neuroscience is a neural platform that engages in brain-computer interface technology. Founded by Benjamin Rapoport, Demetrios Papageorgiou, Mark Hettick, and Michael Mager in 2021, Precision Neuroscience has now raised a total of $155.0M in total equity funding and is backed by Alumni Ventures, B Capital, Steadview Capital, and Duquesne Family Office.
Investors in the round: B Capital, Duquesne Family Office, General Equity Holdings, Steadview Capital
Industry: Medical, Medical Device, Neuroscience, Product Research
Founders: Benjamin Rapoport, Demetrios Papageorgiou, Mark Hettick, Michael Mager
Founding year: 2021
Location: New York
Total equity funding raised: $155.0M
14. Anysphere $105.0M
Round: Series B
Description: San Francisco-based Anysphere builds Artificial Intelligence tools and assistants to help humans. Founded by Aman Sanger, Arvid Lunnemark, Michael Truell, and Sualeh Asif in 2022, Anysphere has now raised a total of $173.4M in total equity funding and is backed by OpenAI, Andreessen Horowitz, Thrive Capital, OpenAI Startup Fund, and Jeff Dean.
Investors in the round: Andreessen Horowitz, Benchmark, Thrive Capital
Industry: Artificial Intelligence (AI), Generative AI, Information Technology, Machine Learning, Software Engineering
Founders: Aman Sanger, Arvid Lunnemark, Michael Truell, Sualeh Asif
Founding year: 2022
Location: San Francisco
Total equity funding raised: $173.4M
14. Public $105.0M
Round: Series D
Description: New York-based Public is a fractional investing platform that allows members to build diverse portfolios, including stocks, ETFs, crypto, and NFTs. Founded by Jannick Malling, Leif Abraham, Matt Kennedy, Peter Quinn, and Sean Hendelman in 2019, Public has now raised a total of $413.5M in total equity funding and is backed by Accel, Bossa Invest, Scott Belsky, Lakestar, and Inspired Capital Partners.
Investors in the round: Accel
Industry: Cryptocurrency, FinTech, Stock Exchanges, Trading Platform
Founders: Jannick Malling, Leif Abraham, Matt Kennedy, Peter Quinn, Sean Hendelman
Founding year: 2019
Location: New York
Total equity funding raised: $413.5M
13. Cleerly $106.0M
Round: Series C
Description: Denver-based Cleerly is a digital healthcare company that offers heart disease diagnosis solutions. Founded by James K. Min in 2017, Cleerly has now raised a total of $386.5M in total equity funding and is backed by Novartis, Fidelity, Insight Partners, Sands Capital Ventures, and T. Rowe Price.
Investors in the round: Battery Ventures, Insight Partners
Industry: Apps, Artificial Intelligence (AI), Health Care, Medical, Wellness
Founders: James K. Min
Founding year: 2017
Location: Denver
Total equity funding raised: $386.5M
12. Capstan Medical $110.0M
Round: Series C
Description: Santa Cruz-based Capstan Medical is creating minimally invasive technologies to treat heart valve disorders. Founded by Dan Wallace and David Schummers in 2020, Capstan Medical has now raised a total of $141.4M in total equity funding and is backed by Eclipse Ventures, Intuitive Ventures, Yu Galaxy, and Gideon Strategic Partners.
Investors in the round: Eclipse Ventures, Gideon Strategic Partners, Intuitive Ventures, Yu Galaxy
Industry: Medical, Medical Device, Robotics
Founders: Dan Wallace, David Schummers
Founding year: 2020
Location: Santa Cruz
Total equity funding raised: $141.4M
11. Aiwyn $113.0M
Round: Series B
Description: Charlotte-based Aiwyn provides automation software to help accounting firms to enhance billing, speeds up cash flow, and improves client satisfaction. Founded by Chris Furlong, Ellen Choi, Justin Adams, Pat Morrell, and Tanner Fritz in 2020, Aiwyn has now raised a total of $127.0M in total equity funding and is backed by Bessemer Venture Partners, Kohlberg Kravis Roberts, Touchdown Ventures, Revolution Ventures, and Relevance Ventures.
Investors in the round: Bessemer Venture Partners, Kohlberg Kravis Roberts
Industry: Accounting, Business Process Automation (BPA), FinTech, SaaS, Software
Founders: Chris Furlong, Ellen Choi, Justin Adams, Pat Morrell, Tanner Fritz
Founding year: 2020
Location: Charlotte
Total equity funding raised: $127.0M
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10. Tractian $120.0M
Round: Series C
Description: Atlanta-based Tractian is a machine intelligence company that provides condition monitoring and asset performance management for industrial operations. Founded by Gabriel Lameirinhas and Igor Marinelli in 2019, Tractian has now raised a total of $183.7M in total equity funding and is backed by Y Combinator, General Catalyst, Sapphire Ventures, Norte Ventures, and Upload Ventures.
Investors in the round: General Catalyst, Next47, NGP Capital, Sapphire Ventures
Industry: Artificial Intelligence (AI), B2B, Hardware, Internet of Things, Machine Learning, SaaS, Software
Founders: Gabriel Lameirinhas, Igor Marinelli
Founding year: 2019
Location: Atlanta
Total equity funding raised: $183.7M
9. Fervo Energy $135.0M
Round: Series D
Description: Houston-based Fervo Energy develops clean energy technology to generate carbon-free energy from geothermal systems. Founded by Jack Norbeck and Tim Latimer in 2017, Fervo Energy has now raised a total of $566.0M in total equity funding and is backed by Elemental Impact, Mercuria, CPP Investments, Congruent Ventures, and Breakthrough Energy Ventures.
Investors in the round: Breakthrough Energy Ventures, CalSTRS, Capricorn Investment Group, Congruent Ventures, CPP Investments, DCVC, Devon Energy Corporation, Galvanize Climate Solutions, Liberty Mutual Investments, Mercuria, Sabancı Climate Ventures
Industry: Energy, Energy Efficiency, Nuclear
Founders: Jack Norbeck, Tim Latimer
Founding year: 2017
Location: Houston
Total equity funding raised: $566.0M
8. Heirloom $150.0M
Round: Series B
Description: Brisbane-based Heirloom is a provider of direct air capture technology to enhance the natural process of CO2 absorption from the atmosphere. Founded by Noah McQueen and Shashank Samala in 2020, Heirloom has now raised a total of $203.0M in total equity funding and is backed by National Science Foundation, Lowercarbon Capital, Breyer Capital, XPRIZE, and Siemens Financial Services.
Investors in the round: Ahren Innovation Capital, Breakthrough Energy Ventures, Carbon Direct Capital, Future Positive, H&M Group Ventures, Japan Airlines (JAL), Lowercarbon Capital, MCJ, Mitsubishi Corporation (Americas), Mitsui & Co., MOL Switch, Quantum Energy Partners, Siemens Financial Services
Industry: Carbon Capture, Mineral, Mining Technology
Founders: Noah McQueen, Shashank Samala
Founding year: 2020
Location: Brisbane
Total equity funding raised: $203.0M
7. Patho Care $150.2M
Round: Venture – Series Unknown
Description: California-based Patho Care is a healthcare diagnostic company. Founded in 2020, Patho Care has now raised a total of $150.2M in total equity funding and is backed by Hamershlag Private.
Investors in the round: Hamershlag Private
Industry: Health Care, Health Diagnostics, Machine Learning
Founders: Information not provided
Founding year: 2020
Location: California
Total equity funding raised: $150.2M
6. Ayar Labs $155.0M
Round: Series D
Description: San Jose-based Ayar Labs develops optical I/O solutions for large-scale AI workloads to accelerate data movement within AI systems. Founded by Alex Wright-Gladstein, Chen Sun, Mark Wade, Milos Popovic, Rajeev Ram, and Vladimir Stojanovic in 2015, Ayar Labs has now raised a total of $371.5M in total equity funding and is backed by NVIDIA, National Science Foundation, Intel Capital, Advent International, and Alumni Ventures.
Investors in the round: 3M New Ventures, Advent International, AMD Ventures, Applied Ventures, Autopilot, AXIAL Partners, Boardman Bay Capital Management, GlobalFoundries, IAG Capital Partners, Intel Capital, Light Street Capital, Lockheed Martin Ventures, NVIDIA, Playground Global, VentureTech Alliance
Industry: Computer, Hardware, Information Technology, Semiconductor
Founders: Alex Wright-Gladstein, Chen Sun, Mark Wade, Milos Popovic, Rajeev Ram, Vladimir Stojanovic
Founding year: 2015
Location: San Jose
Total equity funding raised: $371.5M
5. Zest AI $200.0M
Round: Series G
Description: Burbank-based Zest AI is an AI lending technology company that leverages machine learning technology to enhance credit underwriting processes. Founded by Douglas Merrill, Mike de Vere, and Shawn Budde in 2009, Zest AI has now raised a total of $357.7M in total equity funding and is backed by VyStar Credit Union, Lightspeed Venture Partners, Insight Partners, Upfront Ventures, and Suncoast Credit Union.
Investors in the round: Insight Partners
Industry: Artificial Intelligence (AI), Big Data, Financial Services, FinTech, Machine Learning, SaaS
Founders: Douglas Merrill, Mike de Vere, Shawn Budde
Founding year: 2009
Location: Burbank
Total equity funding raised: $357.7M
4. Liquid AI $250.0M
Round: Series A
Description: Cambridge-based Liquid AI develops artificial intelligence solutions for data analysis and decision-making across various industries. Founded by Alexander Amini, Daniela Rus, Mathias Lechner, and Ramin Hasani in 2023, Liquid AI has now raised a total of $293.2M in total equity funding and is backed by Automattic, Samsung NEXT, Latham & Watkins, Breyer Capital, and AMD Ventures.
Investors in the round: AMD Ventures, Duke Capital Partners, OSS Capital L.P., The Pags Group
Industry: Artificial Intelligence (AI), Generative AI, Information Technology, Machine Learning
Founders: Alexander Amini, Daniela Rus, Mathias Lechner, Ramin Hasani
Founding year: 2023
Location: Cambridge
Total equity funding raised: $293.2M
3. SandboxAQ $300.0M
Round: Venture – Series Unknown
Description: Palo Alto-based SandboxAQ develops AI and quantum technology solutions for various industries. Founded by Jack Hidary in 2016, SandboxAQ has now raised a total of $800.0M in total equity funding and is backed by T. Rowe Price, Breyer Capital, US Innovative Technology Fund, IQT, and Section 32.
Investors in the round: Alger, Ava Investors, Breyer Capital, David Siegel, Eric Schmidt, IQT, Marc Benioff, Mumtalakat, Parkway Venture Capital, Rizvi Traverse Management, S32, T. Rowe Price, US Innovative Technology Fund, Yann LeCun
Industry: Artificial Intelligence (AI), Cyber Security, Information Technology, SaaS
Founders: Jack Hidary
Founding year: 2016
Location: Palo Alto
Total equity funding raised: $800.0M
3. One $300.0M
Round: Venture – Series Unknown
Description: New York-based One is a financial mobile app that provides banking, fintech solutions, online payments, cash transactions, and digital wallet services. Founded by Lorenz Jüngling in 2022, One has now raised a total of $300.0M in total equity funding and is backed by Walmart and Ribbit Capital.
Investors in the round: Ribbit Capital, Walmart
Industry: Finance, Financial Services, Mobile Apps, Payments
Founders: Lorenz Jüngling
Founding year: 2022
Location: New York
Total equity funding raised: $300.0M
2. Perplexity $500.0M
Round: Series D
Description: San Francisco-based Perplexity is an AI-powered search and answer platform designed to provide real-time responses to user queries. Founded by Andy Konwinski, Aravind Srinivas, Denis Yarats, and Johnny Ho in 2022, Perplexity has now raised a total of $665.0M in total equity funding and is backed by NVIDIA, Bossa Invest, Bessemer Venture Partners, New Enterprise Associates, and IVP.
Investors in the round: IVP, Shane Neman, SoftBank Vision Fund, Uma Ventures, Wayra
Industry: Artificial Intelligence (AI), Chatbot, Generative AI, Machine Learning, Natural Language Processing, Search Engine
Founders: Andy Konwinski, Aravind Srinivas, Denis Yarats, Johnny Ho
Founding year: 2022
Location: San Francisco
Total equity funding raised: $665.0M
1. Tenstorrent $693.0M
Round: Series D
Description: Santa Clara-based Tenstorrent develops advanced AI hardware and software solutions for data processing and machine learning application. Founded by Ivan Hamer, Ljubisa Bajic, and Milos Trajkovic in 2016, Tenstorrent has now raised a total of $1.0B in total equity funding and is backed by Export Development Canada, LG Electronics, Creative Destruction Lab (CDL), Fidelity, and Eclipse Ventures.
Investors in the round: AFW Partners, Baillie Gifford, Bezos Expeditions, Corner Capital Management, Export Development Canada, Fidelity, Healthcare of Ontario Pension Plan (HOOPP), Hyundai Motor Group, LG Electronics, MESH, Samsung Securities, XTX Markets
Industry: Application Specific Integrated Circuit (ASIC), Artificial Intelligence (AI), Electronics, Machine Learning, Semiconductor
Founders: Ivan Hamer, Ljubisa Bajic, Milos Trajkovic
Founding year: 2016
Location: Santa Clara
Total equity funding raised: $1.0B
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