Looking at the largest US startup funding rounds from May 2025, leveraging data from CrunchBase, we’ve analyzed the most significant venture capital deals of the month. Beyond the raw funding numbers, this 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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11. Statsig $100.0M
Round: Series C
Description: Bellevue-based Statsig provides tools for A/B testing, feature management, and product analytics to help teams optimize product development. Founded by Vijaye Raji in 2021, Statsig has now raised a total of $153.4M in total equity funding and is backed by Sequoia Capital, Madrona, ICONIQ Growth, Gokul Rajaram, and Dylan Field.
Investors in the round: ICONIQ Growth, Madrona, Sequoia Capital
Industry: Analytics, Big Data, SaaS
Founders: Vijaye Raji
Founding year: 2021
Total equity funding raised: $153.4M
11. TensorWave $100.0M
Round: Series A
Description: Las Vegas-based TensorWave is an AI and HPC cloud platform that uses AMD accelerators to support demanding AI workloads. Founded by Darrick Horton, Jeff Tatarchuk, and Piotr Tomasik in 2023, TensorWave has now raised a total of $146.7M in total equity funding and is backed by Nexus Venture Partners, Translink Capital, Prosperity7 Ventures, Maverick Capital, and AMD.
Investors in the round: AMD Ventures, Magnetar Capital, Maverick Silicon, Nexus Venture Partners, Prosperity7 Ventures
Industry: Artificial Intelligence (AI), Cloud Computing, Cloud Infrastructure, Generative AI, IaaS
Founders: Darrick Horton, Jeff Tatarchuk, Piotr Tomasik
Founding year: 2023
Total equity funding raised: $146.7M
11. LMArena $100.0M
Round: Seed
Description: San Francisco-based LMArena focused on building a neutral, open, community-driven platform. Founded by Anastasios Angelopoulos in 2025, LMArena has now raised a total of $100.0M in total equity funding and is backed by Andreessen Horowitz, Lightspeed Venture Partners, Felicis, Kleiner Perkins, and The House Fund.
Investors in the round: Andreessen Horowitz, Felicis, Kleiner Perkins, Laude Ventures, Lightspeed Venture Partners, The House Fund, UC Investments
Industry: Artificial Intelligence (AI), Communities, Machine Learning, Product Research
Founders: Anastasios Angelopoulos
Founding year: 2025
Total equity funding raised: $100.0M
11. Snorkel AI $100.0M
Round: Series D
Description: Redwood City-based Snorkel AI is an AI platform that accelerates data labeling by using machine learning for faster model training. Founded by Alexander Ratner, Braden Hancock, Chris Re, Henry Ehrenberg, Manas Joglekar, Paroma Varma, and Vincent Sunn Chen in 2019, Snorkel AI has now raised a total of $235.3M in total equity funding and is backed by Accel, BlackRock, Lightspeed Venture Partners, Walden International, and Greylock.
Investors in the round: Addition, BNY, Greylock, Lightspeed Venture Partners, Prosperity7 Ventures, QBE Ventures
Industry: Artificial Intelligence (AI), Data Collection and Labeling, Enterprise Software, Machine Learning
Founders: Alexander Ratner, Braden Hancock, Chris Re, Henry Ehrenberg, Manas Joglekar, Paroma Varma, Vincent Sunn Chen
Founding year: 2019
Total equity funding raised: $235.3M
10. Owner $120.0M
Round: Series C
Description: Palo Alto-based Owner is a technology company that provides tools for local restaurant owners to enhance sales and online presence. Founded by Adam Guild and Dean Bloembergen in 2018, Owner has now raised a total of $182.2M in total equity funding and is backed by Y Combinator, Headline, Activant Capital, GTMfund, and Alt Capital.
Investors in the round: Alex Bard, Alt Capital, Andrew Steele, Brett Schulman, Christina Cacioppo, Dharmesh Shah, Fidji Simo, Garrett Langley, Headline, Jack Altman, Jason Lemkin, Jonathan Neman, Josh Reeves, Matt Maloney, Max Mullen, Meritech Capital Partners, Y Combinator
Industry: CRM, Restaurants, Software
Founders: Adam Guild, Dean Bloembergen
Founding year: 2018
Total equity funding raised: $182.2M
9. Stash $146.0M
Round: Series H
Description: New York-based Stash develops a personal finance application to combine banking, investing, and advice into one platform. Founded by Brandon Krieg, David Ronick, and Ed Robinson in 2015, Stash has now raised a total of $572.3M in total equity funding and is backed by StepStone Group, Union Square Ventures, Goodwater Capital, Coatue, and Founders Fund.
Investors in the round: Goodwater Capital, Serengeti Asset Management, StepStone Group, T. Rowe Price, Union Square Ventures, University of Illinois Foundation
Industry: Apps, Banking, FinTech, Mobile Apps, Personal Finance
Founders: Brandon Krieg, David Ronick, Ed Robinson
Founding year: 2015
Total equity funding raised: $572.3M
AlleyWatch’s exclusive coverage of this round: Stash Raises $146M to Enhance Financial Guidance with its AI-Powered Platform
8. Atlas Data Storage $155.0M
Round: Seed
Description: South San Francisco-based Atlas Data Storage is an information technology company focused on data storage solutions. Founded by Varun Mehta and Bill Banyai in 2025, Atlas Data Storage has now raised a total of $155.0M in total equity funding and is backed by Deerfield Management, ARCH Venture Partners, Bezos Expeditions, Tao Capital Partners, and Earth Foundry.
Investors in the round: ARCH Venture Partners, Bezos Expeditions, Deerfield Management, Earth Foundry, IQT, Rsquared VC, Tao Capital Partners
Industry: Data Management, Database, Information Technology
Founders: Varun Mehta, Bill Banyai
Founding year: 2025
Total equity funding raised: $155.0M
7. Awardco $165.0M
Round: Series B
Description: Lindon-based Awardco is a human resources technology company that specializes in employee recognition and rewards solutions. Founded by Mike Sonnenberg, Steven J Sonnenberg, and Tanner Runia in 2011, Awardco has now raised a total of $235.0M in total equity funding and is backed by General Catalyst, Sixth Street, Spectrum Equity, and Ryan Smith.
Investors in the round: General Catalyst, Ryan Smith, Sixth Street, Spectrum Equity
Industry: B2B, Employee Benefits, Human Resources, SaaS
Founders: Mike Sonnenberg, Steven J Sonnenberg, Tanner Runia
Founding year: 2011
Total equity funding raised: $235.0M
6. Addepar $230.0M
Round: Series G
Description: Mountain View-based Addepar is a software and data platform for even the most complex investment portfolios. Founded by Jason Mirra and Joe Lonsdale in 2009, Addepar has now raised a total of $761.4M in total equity funding and is backed by Valor Equity Partners, Vitruvian Partners, 8VC, WestCap, and Cota Capital.
Investors in the round: 8VC, EDBI, Valor Equity Partners, Vitruvian Partners, WestCap
Industry: Financial Services, FinTech, SaaS, Software
Founders: Jason Mirra, Joe Lonsdale
Founding year: 2009
Total equity funding raised: $761.4M
5. ClickHouse $350.0M
Round: Series C
Description: Palo Alto-based ClickHouse provides an open-source database system for real-time analytical reporting. Founded by Aaron Katz, Alexey Milovidov, Alexey Milovidov, Yury Izrailevsky, and Yury Izrailevsky in 2021, ClickHouse has now raised a total of $650.0M in total equity funding and is backed by Bessemer Venture Partners, Khosla Ventures, Nebius Group, Lightspeed Venture Partners, and Index Ventures.
Investors in the round: Battery Ventures, Benchmark, Bessemer Venture Partners, Bond, Coatue, FirstMark, Geodesic Capital, GIC, Index Ventures, IVP, Khosla Ventures, Lightspeed Venture Partners, Nebius Group
Industry: Analytics, Artificial Intelligence (AI), Big Data, Database, Software
Founders: Aaron Katz, Alexey Milovidov, Alexey Milovidov, Yury Izrailevsky, Yury Izrailevsky
Founding year: 2021
Total equity funding raised: $650.0M
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4. Rippling $450.0M
Round: Series G
Description: San Francisco-based Rippling is a workforce management platform that unifies HR, IT, and finance operations into a single system. Founded by Parker Conrad and Prasanna Sankar in 2016, Rippling has now raised a total of $1.8B in total equity funding and is backed by Y Combinator, Sequoia Capital, Founders Fund, Sands Capital Ventures, and Coatue.
Investors in the round: Baillie Gifford, GIC, GS Growth, Sands Capital Ventures, WiL (World Innovation Lab), Y Combinator
Industry: Employment, Human Resources, Information Technology, InsurTech, IT Management
Founders: Parker Conrad, Prasanna Sankar
Founding year: 2016
Total equity funding raised: $1.8B
3. Perplexity $500.0M
Round: Venture
Description: San Francisco-based Perplexity is an AI-powered answer engine designed to provide accurate, 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 $1.2B in total equity funding and is backed by Accel, Bessemer Venture Partners, New Enterprise Associates, NVIDIA, and IVP.
Investors in the round: Accel
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
Total equity funding raised: $1.2B
2. Wonder $600.0M
Round: Venture
Description: New York-based Wonder is a food delivery startup that operates truck-based restaurants from which consumers can order food through a mobile app. Founded by Juan Cappello and Marc Lore in 2018, Wonder has now raised a total of $2.4B in total equity funding and is backed by General Catalyst, Accel, New Enterprise Associates, Forerunner, and Bain Capital Ventures.
Investors in the round: Accel, American Express Ventures, Forerunner, Google Ventures, New Enterprise Associates
Industry: E-Commerce, Food and Beverage, Food Delivery, Restaurants
Founders: Juan Cappello, Marc Lore
Founding year: 2018
Total equity funding raised: $2.4B
1. Grammarly $1.0B
Round: Venture
Description: San Francisco-based Grammarly is an AI-powered writing assistant that provides grammar checking, plagiarism detection, and generative text suggestions. Founded by Alex Shevchenko, Alex Shevchenko, Dmytro Lider, and Max Lytvyn in 2009, Grammarly has now raised a total of $1.4B in total equity funding and is backed by General Catalyst, BlackRock, Spark Capital, IVP, and SignalFire.
Investors in the round: General Catalyst
Industry: Artificial Intelligence (AI), Copywriting, Generative AI, Machine Learning, Virtual Assistant
Founders: Alex Shevchenko, Alex Shevchenko, Dmytro Lider, Max Lytvyn
Founding year: 2009
Total equity funding raised: $1.4B
The AlleyWatch audience is driving progress and innovation on a global scale. With its regional media properties, AlleyWatch serves as 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 decision-makers in the New York business community and beyond. Learn more about advertising to NYC Tech at scale.