The 16 Largest US Funding Rounds of April 2025 – AlleyWatch

Trying on the largest US startup funding rounds from April 2025, leveraging knowledge from CrunchBase, we’ve analyzed the month’s most important enterprise capital offers. Past the uncooked funding numbers, this evaluation contains detailed details about every firm’s trade focus, founding crew, enterprise mannequin, and complete funding historical past to offer deeper context about these high-growth ventures.

16. Dataminr $100.0M

Spherical: Enterprise
Description: New York-based Dataminr is a real-time AI platform that detects early indicators of high-impact occasions and rising dangers. Based by Jeffrey Kinsey, Sam Hendel, and Theodore Bailey in 2009, Dataminr has now raised a complete of $1.1B in complete fairness funding and is backed by BoxGroup, HSBC, Alumni Ventures, Wellington Administration, and Fortress Funding Group.
Buyers within the spherical: Fortress Funding Group, NightDragon
Business: Analytics, Synthetic Intelligence (AI), Data Expertise, Danger Administration, Software program
Founders: Jeffrey Kinsey, Sam Hendel, Theodore Bailey
Founding yr: 2009
Location: New York
Complete fairness funding raised: $1.1B

16. Redpanda Information $100.0M

Spherical: Sequence D
Description: San Francisco-based Redpanda Information is a streaming knowledge platform that’s suitable with Kafka, providing developer instruments and a rising ecosystem of connectors. Based by Alexander Gallego in 2019, Redpanda Information has now raised a complete of $265.5M in complete fairness funding and is backed by Lightspeed Enterprise Companions, Haystack, and Google Ventures.
Buyers within the spherical: Google Ventures, Lightspeed Enterprise Companions
Business: Analytics, Huge Information, Consulting, Developer Instruments, Data Expertise, Software program
Founders: Alexander Gallego
Founding yr: 2019
Location: San Francisco
Complete fairness funding raised: $265.5M

16. Hammerspace $100.0M

Spherical: Sequence B
Description: San Mateo-based Hammerspace is a knowledge platform that obliterates knowledge entry delays for AI and high-performance computing. Based by David Flynn, Douglas Fallstrom, and Trond Myklebust in 2018, Hammerspace has now raised a complete of $156.7M in complete fairness funding and is backed by Altimeter Capital, ARK Funding Administration, Prosperity7 Ventures, ICU Ventures, and Pier 88 Funding Companions.
Buyers within the spherical: Altimeter Capital, ARK Funding Administration
Business: Synthetic Intelligence (AI), Cloud Information Companies, Cloud Storage, Information Administration, Information Storage
Founders: David Flynn, Douglas Fallstrom, Trond Myklebust
Founding yr: 2018
Location: San Mateo
Complete fairness funding raised: $156.7M

16. Cyberhaven $100.0M

Spherical: Sequence D
Description: Palo Alto-based Cyberhaven is an AI-powered knowledge safety firm centered on detecting and stopping knowledge loss, insider threats, and defending cloud knowledge. Based by Cristian Zamfir, George Candea, Radu Banabic, Vitaly Chipounov, and Volodymyr Kuznetsov in 2016, Cyberhaven has now raised a complete of $236.5M in complete fairness funding and is backed by StepStone Group, Khosla Ventures, Vertex Ventures, Wing Enterprise Capital, and Business Ventures.
Buyers within the spherical: Adams Avenue Companions, Crane Enterprise Companions, Business Ventures, Khosla Ventures, Redpoint, Schroders, StepStone Group
Business: Synthetic Intelligence (AI), Cloud Safety, Cyber Safety, Data Expertise, Community Safety, Safety
Founders: Cristian Zamfir, George Candea, Radu Banabic, Vitaly Chipounov, Volodymyr Kuznetsov
Founding yr: 2016
Location: Palo Alto
Complete fairness funding raised: $236.5M

16. Movement $100.0M

Spherical: Sequence B
Description: Miami-based Movement is a residential actual property agency that gives way of life, monetary, and different companies. Based by Adam Neumann in 2022, Movement has now raised a complete of $450.0M in complete fairness funding and is backed by Andreessen Horowitz.
Buyers within the spherical: Andreessen Horowitz, Khosla Ventures
Business: Industrial Actual Property, Communities, Property Improvement, Actual Property, Residential
Founders: Adam Neumann
Founding yr: 2022
Location: Miami
Complete fairness funding raised: $450.0M

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15. Nuro $106.0M

Spherical: Sequence E
Description: Mountain View-based Nuro is a robotics firm specializing within the improvement of autonomous driving applied sciences. Based by Dave Ferguson and Jiajun Zhu in 2016, Nuro has now raised a complete of $2.2B in complete fairness funding and is backed by Google, Tiger International Administration, SoftBank Imaginative and prescient Fund, Constancy, and Greylock.
Buyers within the spherical: Constancy, Greylock, T. Rowe Worth, Tiger International Administration, XN
Business: Synthetic Intelligence (AI), Autonomous Autos, Robotics, Transportation
Founders: Dave Ferguson, Jiajun Zhu
Founding yr: 2016
Location: Mountain View
Complete fairness funding raised: $2.2B

14. CAST AI $108.0M

Spherical: Sequence C
Description: North Miami Seashore-based CAST AI is the main Kubernetes automation platform that cuts AWS, Azure, and GCP prospects’ cloud prices by over 50% Based by Augustinas Stirbis, Austeja Zymantaite, Einaras von Gravrock, Laurent Gil, Leon Kuperman, Vilius Zukauskas, and Yuri Frayman in 2019, CAST AI has now raised a complete of $181.0M in complete fairness funding and is backed by Samsung NEXT, Creandum, Cota Capital, SoftBank Imaginative and prescient Fund, and G2 Enterprise Companions.
Buyers within the spherical: Aglae Ventures, Cota Capital, Creandum, G2 Enterprise Companions, Hedosophia, SoftBank Imaginative and prescient Fund, Uncorrelated Ventures, Classic Funding Companions
Business: Synthetic Intelligence (AI), Cloud Computing, Cloud Infrastructure, Cloud Administration, Cloud Safety, Developer Platform, Developer Instruments, DevOps, SaaS, Software program
Founders: Augustinas Stirbis, Austeja Zymantaite, Einaras von Gravrock, Laurent Gil, Leon Kuperman, Vilius Zukauskas, Yuri Frayman
Founding yr: 2019
Location: North Miami Seashore
Complete fairness funding raised: $181.0M

14. Veza $108.0M

Spherical: Sequence D
Description: Palo Alto-based Veza is a knowledge safety platform that helps customers use and share their knowledge safely. Based by Maohua Lu, Rob Whitcher, and Tarun Thakur in 2020, Veza has now raised a complete of $233.0M in complete fairness funding and is backed by Norwest Enterprise Companions, Accel, Ballistic Ventures, Bain Capital, and New Enterprise Associates.
Buyers within the spherical: Accel, Atlassian Ventures, Ballistic Ventures, Blackstone Improvements Investments, Google Ventures, JP Morgan, New Enterprise Associates, Norwest Enterprise Companions, Snowflake Ventures, True Ventures, Workday Ventures
Business: Cloud Safety, Database, Safety, Software program
Founders: Maohua Lu, Rob Whitcher, Tarun Thakur
Founding yr: 2020
Location: Palo Alto
Complete fairness funding raised: $233.0M

13. Electra.aero $115.0M

Spherical: Sequence B
Description: Washington-based Electra develops hybrid-electric plane for sustainable city and regional air mobility. Based by John Langford in 2020, Electra.aero has now raised a complete of $115.0M in complete fairness funding and is backed by Prysm Capital, Lockheed Martin Ventures, Statkraft Ventures, Honeywell, and Virginia Innovation Partnership Company.
Buyers within the spherical: Honeywell, Lockheed Martin Ventures, Prysm Capital, Safran, Statkraft Ventures, Virginia Innovation Partnership Company
Business: Aerospace, Air Transportation, Electrical Car
Founders: John Langford
Founding yr: 2020
Location: Washington
Complete fairness funding raised: $115.0M

13. Rescale $115.0M

Spherical: Sequence D
Description: San Francisco-based Rescale is a cloud simulation platform that permits analysis scientists and engineers to construct, compute, analyze, and scale simulations. Based by Adam McKenzie and Joris Poort in 2011, Rescale has now raised a complete of $272.4M in complete fairness funding and is backed by Andreessen Horowitz, Y Combinator, NVIDIA, Gaingels, and Mitsubishi UFJ Capital.
Buyers within the spherical: Utilized Ventures, Atika Capital Administration, Cloud Community Expertise, Hanwha Asset Administration Deeptech Enterprise Fund, Hitachi Ventures, Jeff Bezos, NEC Orchestrating Future Fund, NVIDIA, Paul Graham, Peter Thiel, Prosperity7 Ventures, Sam Altman, SineWave Ventures, Translink Capital, College of Michigan, Y Combinator
Business: Analytics, Synthetic Intelligence (AI), Enterprise Software program, Machine Studying, Simulation, Software program, Software program Engineering
Founders: Adam McKenzie, Joris Poort
Founding yr: 2011
Location: San Francisco
Complete fairness funding raised: $272.4M

12. Auradine $138.0M

Spherical: Sequence C
Description: Santa Clara-based Auradine offers internet infrastructure options encompassing blockchain, synthetic intelligence, and privateness applied sciences. Based by Barun Kar and Rajiv Khemani in 2022, Auradine has now raised a complete of $289.0M in complete fairness funding and is backed by MARAHOLDING, StepStone Group, Mayfield Fund, Celesta Capital, and High Tier Capital Companions.
Buyers within the spherical: GSBackers, MARAHOLDING, Maverick Silicon, Mayfield Fund, Premji Make investments, Qualcomm Ventures, Samsung Catalyst Fund, StepStone Group
Business: Blockchain, Data Expertise, Infrastructure, Safety
Founders: Barun Kar, Rajiv Khemani
Founding yr: 2022
Location: Santa Clara
Complete fairness funding raised: $289.0M

11. Manychat $140.0M

Spherical: Sequence B
Description: Palo Alto-based Manychat is a chat advertising and marketing platform that helps companies automate conversations and interact with prospects throughout messaging channels. Based by Mikael Yang in 2015, Manychat has now raised a complete of $163.1M in complete fairness funding and is backed by Bessemer Enterprise Companions, 500 International, Summit Companions, Flint Capital, and Skywell Capital Companions.
Buyers within the spherical: Summit Companions
Business: Advertising and marketing, Messaging, Gross sales, Software program
Founders: Mikael Yang
Founding yr: 2015
Location: Palo Alto
Complete fairness funding raised: $163.1M

10. SandboxAQ $150.0M

Spherical: Sequence E
Description: Palo Alto-based SandboxAQ develops AI and quantum expertise options that improve biopharma, cybersecurity, and supplies science. Based by Jack Hidary in 2016, SandboxAQ has now raised a complete of $950.0M in complete fairness funding and is backed by NVIDIA, Google, BNP Paribas, S32, and US Modern Expertise Fund.
Buyers within the spherical: Past Alpha Ventures, BNP Paribas, Google, Horizon Kinetics LLC, NVIDIA, Ray Dalio
Business: Synthetic Intelligence (AI), Cyber Safety, Data Expertise, Quantum Computing, SaaS
Founders: Jack Hidary
Founding yr: 2016
Location: Palo Alto
Complete fairness funding raised: $950.0M

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9. Altruist $152.0M

Spherical: Sequence F
Description: Culver Metropolis-based Altruist is a contemporary custodian that provides a digital funding platform for monetary advisors to handle their purchasers’ investments. Based by Jason Wenk in 2018, Altruist has now raised a complete of $601.5M in complete fairness funding and is backed by Perception Companions, ICONIQ Progress, Adams Avenue Companions, Endeavor Catalyst, and Salesforce Ventures.
Buyers within the spherical: Baillie Gifford, Carson Household Workplace, Geodesic Capital, GIC, ICONIQ Progress, Salesforce Ventures
Business: Asset Administration, Monetary Companies, FinTech
Founders: Jason Wenk
Founding yr: 2018
Location: Culver Metropolis
Complete fairness funding raised: $601.5M

8. Electra $186.0M

Spherical: Sequence B
Description: Boulder-based Electra produces clear iron utilizing low-temperature electrochemistry powered by renewables to decarbonize and rework metal manufacturing. Based by Sandeep Nijhawan in 2020, Electra has now raised a complete of $299.3M in complete fairness funding and is backed by Nationwide Science Basis, Temasek Holdings, Lowercarbon Capital, S2G Investments, and Valor Fairness Companions.
Buyers within the spherical: BHP Ventures, Breakthrough Vitality Ventures, Builders Imaginative and prescient, Capricorn Funding Group, Collaborative Fund, Earth Enterprise Capital, Interfer, Lowercarbon Capital, Nucor Company, Rio Tinto, Roy Hill, S2G Investments, Temasek Holdings, Toyota Tsusho, Yamato Kogyo
Business: Vitality, Industrial, Renewable Vitality
Founders: Sandeep Nijhawan
Founding yr: 2020
Location: Boulder
Complete fairness funding raised: $299.3M

7. Apex $200.0M

Spherical: Sequence C
Description: Los Angeles-based Apex designs and manufactures satellite tv for pc buses tailor-made for varied area missions. Based by Ian Cinnamon and Maximilian Benassi in 2022, Apex has now raised a complete of $322.0M in complete fairness funding and is backed by StepStone Group, Andreessen Horowitz, Village International, 8VC, and Defend Capital.
Buyers within the spherical: 8VC, Andreessen Horowitz, Point72 Ventures, StepStone Group, Washington Harbour Companions
Business: Aerospace, Industrial, Manufacturing
Founders: Ian Cinnamon, Maximilian Benassi
Founding yr: 2022
Location: Los Angeles
Complete fairness funding raised: $322.0M

7. Supabase $200.0M

Spherical: Sequence D
Description: San Francisco-based Supabase is an open-source Firebase different that gives a full PostgreSQL database. Based by Anthony Wilson and Paul Copplestone in 2020, Supabase has now raised a complete of $396.1M in complete fairness funding and is backed by Y Combinator, Accel, Craft Ventures, Lightspeed Enterprise Companions, and Coatue.
Buyers within the spherical: Accel, Coatue, Craft Ventures, Felicis, Guillermo Rauch, Kevin Weil, Taylor Otwell, Y Combinator
Business: Synthetic Intelligence (AI), Database, Developer Instruments, Data Companies, Data Expertise, Software program
Founders: Anthony Wilson, Paul Copplestone
Founding yr: 2020
Location: San Francisco
Complete fairness funding raised: $396.1M

7. Persona $200.0M

Spherical: Sequence D
Description: San Francisco-based Persona is an identification verification and administration platform that permits companies to automate and streamline their verification processes. Based by Charles Yeh and Rick Track in 2018, Persona has now raised a complete of $417.5M in complete fairness funding and is backed by Founders Fund, Coatue, First Spherical Capital, Index Ventures, and Kleiner Perkins.
Buyers within the spherical: Bond, Chemistry, Coatue, First Spherical Capital, Founders Fund, Index Ventures, Ribbit Capital
Business: Cyber Safety, Fraud Detection, Id Administration, Data Expertise, SaaS
Founders: Charles Yeh, Rick Track
Founding yr: 2018
Location: San Francisco
Complete fairness funding raised: $417.5M

7. Base Energy $200.0M

Spherical: Sequence B
Description: Austin-based Base Energy is a contemporary power supplier that makes a speciality of residential backup battery methods and electrical energy plans. Based by Zachary Dell in 2023, Base Energy has now raised a complete of $268.0M in complete fairness funding and is backed by Andreessen Horowitz, Lightspeed Enterprise Companions, Thrive Capital, Valor Fairness Companions, and Altimeter Capital.
Buyers within the spherical: Addition, Altimeter Capital, Andreessen Horowitz, Jackson Moses, Lightspeed Enterprise Companions, Terrain, Thrive Capital, Belief Ventures, Valor Fairness Companions
Business: Electrical Distribution, Vitality, Vitality Administration, Energy Grid
Founders: Zachary Dell
Founding yr: 2023
Location: Austin
Complete fairness funding raised: $268.0M

6. Mainspring Vitality $258.0M

Spherical: Sequence F
Description: Menlo Park-based Mainspring Vitality offers energy technology expertise utilizing linear mills for clear power. Based by Adam Simpson, Matt Svrcek, and Shannon Miller in 2010, Mainspring Vitality has now raised a complete of $726.0M in complete fairness funding and is backed by Common Catalyst, Temasek Holdings, Alumni Ventures, Khosla Ventures, and Lightrock.
Buyers within the spherical: Local weather Pledge Fund, DCVC, Gates Frontier Fund, Common Catalyst, Khosla Ventures, LGT group, Lightrock, M&G Investments, Marunouchi Innovation Companions, Pictet Non-public Fairness Buyers S.A., Temasek Holdings
Business: Clear Vitality, Vitality, Oil and Gasoline
Founders: Adam Simpson, Matt Svrcek, Shannon Miller
Founding yr: 2010
Location: Menlo Park
Complete fairness funding raised: $726.0M

5. True Anomaly $260.0M

Spherical: Sequence C
Description: Centennial-based True Anomaly is builds area safety and resilience on the intersection of spacecraft, software program, and autonomy. Based by Even Rogers and Kyle Zakrzewski in 2022, True Anomaly has now raised a complete of $400.6M in complete fairness funding and is backed by Menlo Ventures, Accel, Rocketship.vc, Eclipse Ventures, and Riot Ventures.
Buyers within the spherical: 645 Ventures, Accel, ACME Capital, Champion Hill Ventures, Eclipse Ventures, Menlo Ventures, Meritech Capital Companions, Narya Capital, Riot Ventures, Area.VC
Business: Aerospace, Synthetic Intelligence (AI), Manufacturing, Navy, Nationwide Safety
Founders: Even Rogers, Kyle Zakrzewski
Founding yr: 2022
Location: Centennial
Complete fairness funding raised: $400.6M

4. Runway $308.0M

Spherical: Sequence D
Description: New York-based Runway is an utilized AI analysis firm that creates AI-powered content material creation instruments for the media and leisure sectors. Based by Alejandro Matamala Ortiz, Anastasis Germanidis, and Cristobal Valenzuela Barrera in 2018, Runway has now raised a complete of $544.5M in complete fairness funding and is backed by Common Atlantic, NVIDIA, Madrona, Google, and Felicis.
Buyers within the spherical: Baillie Gifford, Constancy, Common Atlantic, NVIDIA, SoftBank
Business: Apps, Synthetic Intelligence (AI), Generative AI, Machine Studying, Software program, Video Modifying
Founders: Alejandro Matamala Ortiz, Anastasis Germanidis, Cristobal Valenzuela Barrera
Founding yr: 2018
Location: New York
Complete fairness funding raised: $544.5M

3. Chainguard $356.0M

Spherical: Sequence D
Description: Kirkland-based Chainguard is a cloud-native improvement platform that gives low-to-zero CVE container pictures for constructing and working purposes. Based by Dan Lorenc, Kim Lewandowski, and Ville Aikas in 2021, Chainguard has now raised a complete of $612.0M in complete fairness funding and is backed by Lightspeed Enterprise Companions, Sequoia Capital, IVP, Spark Capital, and Kleiner Perkins.
Buyers within the spherical: Amplify Companions, Datadog Ventures, IVP, Kleiner Perkins, Lightspeed Enterprise Companions, MANTIS Enterprise Capital, Redpoint, Salesforce Ventures, Sequoia Capital, Spark Capital, Windproof Companions (fka Kerrest & Co.)
Business: Cloud Safety, Developer Instruments, Enterprise Software program, Open Supply, Safety
Founders: Dan Lorenc, Kim Lewandowski, Ville Aikas
Founding yr: 2021
Location: Kirkland
Complete fairness funding raised: $612.0M

2. Plaid $575.0M

Spherical: Enterprise
Description: San Francisco-based Plaid develops monetary expertise infrastructure that permits purposes to attach with customers’ financial institution accounts and monetary knowledge. Based by William Hockey and Zachary Perret in 2013, Plaid has now raised a complete of $1.3B in complete fairness funding and is backed by Franklin Templeton, Andreessen Horowitz, BlackRock, Norwest Enterprise Companions, and BoxGroup.
Buyers within the spherical: BlackRock, Constancy, Franklin Templeton, New Enterprise Associates, Ribbit Capital
Business: Banking, Monetary Companies, FinTech, InsurTech, Wealth Administration
Founders: William Hockey, Zachary Perret
Founding yr: 2013
Location: San Francisco
Complete fairness funding raised: $1.3B

1. Secure Superintelligence $2.0B

Spherical: Enterprise
Description: Palo Alto-based Secure Superintelligence develops AI options prioritizing security in synthetic intelligence. Based by Daniel Gross, Daniel Levy, and Ilya Sutskever in 2024, Secure Superintelligence has now raised a complete of $3.0B in complete fairness funding and is backed by Andreessen Horowitz, NVIDIA, Lightspeed Enterprise Companions, Sequoia Capital, and DST International.
Buyers within the spherical: Alphabet, Andreessen Horowitz, DST International, Greenoaks, Lightspeed Enterprise Companions, NVIDIA
Business: Synthetic Intelligence (AI), Data Expertise, Web, Software program Engineering
Founders: Daniel Gross, Daniel Levy, Ilya Sutskever
Founding yr: 2024
Location: Palo Alto
Complete fairness funding raised: $3.0B