The 11 Largest US Funding Rounds of Might 2025 – AlleyWatch

Trying on the largest US startup funding rounds from Might 2025, leveraging knowledge from CrunchBase, we’ve analyzed probably the most vital enterprise capital offers of the month. Past the uncooked funding numbers, this evaluation consists of detailed details about every firm’s business focus, founding staff, enterprise mannequin, and complete funding historical past to supply deeper context about these high-growth ventures

The AlleyWatch viewers is driving progress and innovation on a worldwide scale. With its regional media properties, AlleyWatch serves because the freeway for expertise and entrepreneurship. There are a selection of choices to succeed in this viewers of the world’s most modern organizations and startups at scale together with growing distinguished model placement, driving demand technology, and constructing thought management among the many overwhelming majority of key decision-makers within the New York enterprise group and past. Be taught extra about promoting to NYC Tech at scale.

11. Statsig $100.0M
Spherical: Sequence C
Description: Bellevue-based Statsig offers instruments for A/B testing, function administration, and product analytics to assist groups optimize product improvement. Based by Vijaye Raji in 2021, Statsig has now raised a complete of $153.4M in complete fairness funding and is backed by Sequoia Capital, Madrona, ICONIQ Development, Gokul Rajaram, and Dylan Discipline.
Traders within the spherical: ICONIQ Development, Madrona, Sequoia Capital
Business: Analytics, Massive Information, SaaS
Founders: Vijaye Raji
Founding 12 months: 2021
Whole fairness funding raised: $153.4M

11. TensorWave $100.0M
Spherical: Sequence A
Description: Las Vegas-based TensorWave is an AI and HPC cloud platform that makes use of AMD accelerators to assist demanding AI workloads. Based by Darrick Horton, Jeff Tatarchuk, and Piotr Tomasik in 2023, TensorWave has now raised a complete of $146.7M in complete fairness funding and is backed by Nexus Enterprise Companions, Translink Capital, Prosperity7 Ventures, Maverick Capital, and AMD.
Traders within the spherical: AMD Ventures, Magnetar Capital, Maverick Silicon, Nexus Enterprise Companions, Prosperity7 Ventures
Business: Synthetic Intelligence (AI), Cloud Computing, Cloud Infrastructure, Generative AI, IaaS
Founders: Darrick Horton, Jeff Tatarchuk, Piotr Tomasik
Founding 12 months: 2023
Whole fairness funding raised: $146.7M

11. LMArena $100.0M
Spherical: Seed
Description: San Francisco-based LMArena targeted on constructing a impartial, open, community-driven platform. Based by Anastasios Angelopoulos in 2025, LMArena has now raised a complete of $100.0M in complete fairness funding and is backed by Andreessen Horowitz, Lightspeed Enterprise Companions, Felicis, Kleiner Perkins, and The Home Fund.
Traders within the spherical: Andreessen Horowitz, Felicis, Kleiner Perkins, Laude Ventures, Lightspeed Enterprise Companions, The Home Fund, UC Investments
Business: Synthetic Intelligence (AI), Communities, Machine Studying, Product Analysis
Founders: Anastasios Angelopoulos
Founding 12 months: 2025
Whole fairness funding raised: $100.0M

11. Snorkel AI $100.0M
Spherical: Sequence D
Description: Redwood Metropolis-based Snorkel AI is an AI platform that accelerates knowledge labeling by utilizing machine studying for quicker mannequin coaching. Based 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 complete of $235.3M in complete fairness funding and is backed by Accel, BlackRock, Lightspeed Enterprise Companions, Walden Worldwide, and Greylock.
Traders within the spherical: Addition, BNY, Greylock, Lightspeed Enterprise Companions, Prosperity7 Ventures, QBE Ventures
Business: Synthetic Intelligence (AI), Information Assortment and Labeling, Enterprise Software program, Machine Studying
Founders: Alexander Ratner, Braden Hancock, Chris Re, Henry Ehrenberg, Manas Joglekar, Paroma Varma, Vincent Sunn Chen
Founding 12 months: 2019
Whole fairness funding raised: $235.3M

10. Proprietor $120.0M
Spherical: Sequence C
Description: Palo Alto-based Proprietor is a expertise firm that gives instruments for native restaurant house owners to boost gross sales and on-line presence. Based by Adam Guild and Dean Bloembergen in 2018, Proprietor has now raised a complete of $182.2M in complete fairness funding and is backed by Y Combinator, Headline, Activant Capital, GTMfund, and Alt Capital.
Traders within the spherical: 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 Companions, Y Combinator
Business: CRM, Eating places, Software program
Founders: Adam Guild, Dean Bloembergen
Founding 12 months: 2018
Whole fairness funding raised: $182.2M

9. Stash $146.0M
Spherical: Sequence H
Description: New York-based Stash develops a private finance software to mix banking, investing, and recommendation into one platform. Based by Brandon Krieg, David Ronick, and Ed Robinson in 2015, Stash has now raised a complete of $572.3M in complete fairness funding and is backed by StepStone Group, Union Sq. Ventures, Goodwater Capital, Coatue, and Founders Fund.
Traders within the spherical: Goodwater Capital, Serengeti Asset Administration, StepStone Group, T. Rowe Worth, Union Sq. Ventures, College of Illinois Basis
Business: Apps, Banking, FinTech, Cellular Apps, Private Finance
Founders: Brandon Krieg, David Ronick, Ed Robinson
Founding 12 months: 2015
Whole fairness funding raised: $572.3M
AlleyWatch’s unique protection of this spherical: Stash Raises $146M to Improve Monetary Steering with its AI-Powered Platform

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8. Atlas Information Storage $155.0M
Spherical: Seed
Description: South San Francisco-based Atlas Information Storage is an data expertise firm targeted on knowledge storage options. Based by Varun Mehta and Invoice Banyai in 2025, Atlas Information Storage has now raised a complete of $155.0M in complete fairness funding and is backed by Deerfield Administration, ARCH Enterprise Companions, Bezos Expeditions, Tao Capital Companions, and Earth Foundry.
Traders within the spherical: ARCH Enterprise Companions, Bezos Expeditions, Deerfield Administration, Earth Foundry, IQT, Rsquared VC, Tao Capital Companions
Business: Information Administration, Database, Data Know-how
Founders: Varun Mehta, Invoice Banyai
Founding 12 months: 2025
Whole fairness funding raised: $155.0M

7. Awardco $165.0M
Spherical: Sequence B
Description: Lindon-based Awardco is a human assets expertise firm that focuses on worker recognition and rewards options. Based by Mike Sonnenberg, Steven J Sonnenberg, and Tanner Runia in 2011, Awardco has now raised a complete of $235.0M in complete fairness funding and is backed by Common Catalyst, Sixth Road, Spectrum Fairness, and Ryan Smith.
Traders within the spherical: Common Catalyst, Ryan Smith, Sixth Road, Spectrum Fairness
Business: B2B, Worker Advantages, Human Sources, SaaS
Founders: Mike Sonnenberg, Steven J Sonnenberg, Tanner Runia
Founding 12 months: 2011
Whole fairness funding raised: $235.0M

6. Addepar $230.0M
Spherical: Sequence G
Description: Mountain View-based Addepar is a software program and knowledge platform for even probably the most complicated funding portfolios. Based by Jason Mirra and Joe Lonsdale in 2009, Addepar has now raised a complete of $761.4M in complete fairness funding and is backed by Valor Fairness Companions, Vitruvian Companions, 8VC, WestCap, and Cota Capital.
Traders within the spherical: 8VC, EDBI, Valor Fairness Companions, Vitruvian Companions, WestCap
Business: Monetary Companies, FinTech, SaaS, Software program
Founders: Jason Mirra, Joe Lonsdale
Founding 12 months: 2009
Whole fairness funding raised: $761.4M

5. ClickHouse $350.0M
Spherical: Sequence C
Description: Palo Alto-based ClickHouse offers an open-source database system for real-time analytical reporting. Based by Aaron Katz, Alexey Milovidov, Alexey Milovidov, Yury Izrailevsky, and Yury Izrailevsky in 2021, ClickHouse has now raised a complete of $650.0M in complete fairness funding and is backed by Bessemer Enterprise Companions, Khosla Ventures, Nebius Group, Lightspeed Enterprise Companions, and Index Ventures.
Traders within the spherical: Battery Ventures, Benchmark, Bessemer Enterprise Companions, Bond, Coatue, FirstMark, Geodesic Capital, GIC, Index Ventures, IVP, Khosla Ventures, Lightspeed Enterprise Companions, Nebius Group
Business: Analytics, Synthetic Intelligence (AI), Massive Information, Database, Software program
Founders: Aaron Katz, Alexey Milovidov, Alexey Milovidov, Yury Izrailevsky, Yury Izrailevsky
Founding 12 months: 2021
Whole fairness funding raised: $650.0M

4. Rippling $450.0M
Spherical: Sequence G
Description: San Francisco-based Rippling is a workforce administration platform that unifies HR, IT, and finance operations right into a single system. Based by Parker Conrad and Prasanna Sankar in 2016, Rippling has now raised a complete of $1.8B in complete fairness funding and is backed by Y Combinator, Sequoia Capital, Founders Fund, Sands Capital Ventures, and Coatue.
Traders within the spherical: Baillie Gifford, GIC, GS Development, Sands Capital Ventures, WiL (World Innovation Lab), Y Combinator
Business: Employment, Human Sources, Data Know-how, InsurTech, IT Administration
Founders: Parker Conrad, Prasanna Sankar
Founding 12 months: 2016
Whole fairness funding raised: $1.8B

3. Perplexity $500.0M
Spherical: Enterprise
Description: San Francisco-based Perplexity is an AI-powered reply engine designed to supply correct, real-time responses to person queries. Based by Andy Konwinski, Aravind Srinivas, Denis Yarats, and Johnny Ho in 2022, Perplexity has now raised a complete of $1.2B in complete fairness funding and is backed by Accel, Bessemer Enterprise Companions, New Enterprise Associates, NVIDIA, and IVP.
Traders within the spherical: Accel
Business: Synthetic Intelligence (AI), Chatbot, Generative AI, Machine Studying, Pure Language Processing, Search Engine
Founders: Andy Konwinski, Aravind Srinivas, Denis Yarats, Johnny Ho
Founding 12 months: 2022
Whole fairness funding raised: $1.2B

2. Surprise $600.0M
Spherical: Enterprise
Description: New York-based Surprise is a meals supply startup that operates truck-based eating places from which shoppers can order meals by way of a cellular app. Based by Juan Cappello and Marc Lore in 2018, Surprise has now raised a complete of $2.4B in complete fairness funding and is backed by Common Catalyst, Accel, New Enterprise Associates, Forerunner, and Bain Capital Ventures.
Traders within the spherical: Accel, American Specific Ventures, Forerunner, Google Ventures, New Enterprise Associates
Business: E-Commerce, Meals and Beverage, Meals Supply, Eating places
Founders: Juan Cappello, Marc Lore
Founding 12 months: 2018
Whole fairness funding raised: $2.4B

1. Grammarly $1.0B
Spherical: Enterprise
Description: San Francisco-based Grammarly is an AI-powered writing assistant that gives grammar checking, plagiarism detection, and generative textual content solutions. Based by Alex Shevchenko, Alex Shevchenko, Dmytro Lider, and Max Lytvyn in 2009, Grammarly has now raised a complete of $1.4B in complete fairness funding and is backed by Common Catalyst, BlackRock, Spark Capital, IVP, and SignalFire.
Traders within the spherical: Common Catalyst
Business: Synthetic Intelligence (AI), Copywriting, Generative AI, Machine Studying, Digital Assistant
Founders: Alex Shevchenko, Alex Shevchenko, Dmytro Lider, Max Lytvyn
Founding 12 months: 2009
Whole fairness funding raised: $1.4B

The AlleyWatch viewers is driving progress and innovation on a worldwide scale. With its regional media properties, AlleyWatch serves because the freeway for expertise and entrepreneurship. There are a selection of choices to succeed in this viewers of the world’s most modern organizations and startups at scale together with growing distinguished model placement, driving demand technology, and constructing thought management among the many overwhelming majority of key decision-makers within the New York enterprise group and past. Be taught extra about promoting to NYC Tech at scale.