The 9 Largest NYC Tech Startup Funding Rounds of May 2025 – AlleyWatch

Round: Series ADescription: Clarium AI software allows hospital departments to automate tasks, increase collaboration, streamline operations and enhance productivity. Founded by Rod D. Martin in 2020, Clarium has now raised a total of $37.5M in total equity funding and is backed by General Catalyst, Alumni Ventures, Northzone, 1984 Ventures, and AlleyCorp.Investors in the round: 1984 Ventures, AlleyCorp, General Catalyst, Kaiser Permanente Ventures, Northzone, TMC Venture FundIndustry: Artificial Intelligence (AI), Health Care, HospitalFounders: Rod D. MartinFounding year: 2020Total equity funding raised: $37.5MAlleyWatch’s exclusive coverage of this round: Clarium Raises $27M to Help Hospitals Save Millions with AI-Powered Supply Chain Platform

Round: Series CDescription: Optimal Dynamics is a SaaS company that uses artificial intelligence and machine learning to disrupt the logistics industry. Founded by Daniel Powell and Warren Powell in 2017, Optimal Dynamics has now raised a total of $95.8M in total equity funding and is backed by Bessemer Venture Partners, Fusion Fund, nvp capital, Activate Capital Partners, and The Westly Group.Investors in the round: Activate Capital Partners, Bessemer Venture Partners, Koch Disruptive Technologies, The Westly GroupIndustry: Artificial Intelligence (AI), Logistics, Machine Learning, SaaS, Software, Supply Chain Management, TransportationFounders: Daniel Powell, Warren PowellFounding year: 2017Total equity funding raised: $95.8M

7. Siro $50.0M

Round: Series BDescription: Siro builds an AI Coach that identifies opportunities to elevate any sales team. Founded by Jake Cronin and Joseph Jordan in 2020, Siro has now raised a total of $68.0M in total equity funding and is backed by StepStone Group, Index Ventures, SignalFire, 01 Advisors, and Alchemist Accelerator.Investors in the round: 01 Advisors, CRV, Dave Salvant, Ding Zhou, Fika Ventures, Index Ventures, Michael Stoppelman, Saumil Mehta, SignalFire, Songe LaRon, StepStone GroupIndustry: Information Technology, Sales, SoftwareFounders: Jake Cronin, Joseph JordanFounding year: 2020Total equity funding raised: $68.0M

Round: Series CDescription: Empathy is a support system mobile application that guides and supports families along the journey of loss. Founded by Ron Gura and Yonatan Bergman in 2020, Empathy has now raised a total of $162.0M in total equity funding and is backed by General Catalyst, Index Ventures, LocalGlobe, Adams Street Partners, and Munich Re Ventures.Investors in the round: Adams Street Partners, Aflac Global Ventures, Allianz Life Ventures, Brewer Lane Ventures, Citi Impact Fund, Entree Capital, General Catalyst, Index Ventures, Latitude, LionTree, MassMutual Ventures, MetLife, Munich Re Ventures, New York Life Ventures, Securian Ventures, SemperVirens Venture Capital, Sumitomo Ventures, TIAAIndustry: Apps, Health Care, Information Technology, SoftwareFounders: Ron Gura, Yonatan BergmanFounding year: 2020Total equity funding raised: $162.0M

Round: Series ADescription: David is a food-tech firm focused on creating high-protein, low-calorie, blood-sugar-friendly foods. Founded by Zach Ranen in 2023, David has now raised a total of $85.0M in total equity funding and is backed by Valor Equity Partners, Valor Siren Ventures, Greenoaks, Peter Rahal, and Peter Attia.Investors in the round: Greenoaks, Valor Equity PartnersIndustry: Fitness, Food and Beverage, NutritionFounders: Zach RanenFounding year: 2023Total equity funding raised: $85.0M

Round: Series CDescription: Prepared offers an AI-powered platform designed to enhance emergency response operations. Founded by Dylan Gleicher, Michael Chime, and Neal Soni in 2019, Prepared has now raised a total of $151.4M in total equity funding and is backed by General Catalyst, Andreessen Horowitz, Radical Ventures, First Round Capital, and 8VC.Investors in the round: Andreessen Horowitz, First Round Capital, General Catalyst, Radical VenturesIndustry: Artificial Intelligence (AI), Enterprise Software, Public SafetyFounders: Dylan Gleicher, Michael Chime, Neal SoniFounding year: 2019Total equity funding raised: $151.4M

Round: Series DDescription: Astronomer is a data orchestration platform built on Apache Airflow, enabling teams to build, run, and monitor data pipelines at scale. Founded by Greg Neiheisel, Ry Walker, and Tim Brunk in 2018, Astronomer has now raised a total of $375.9M in total equity funding and is backed by Insight Partners, Bosch Ventures, Venrock, 500 Global, and Salesforce Ventures.Investors in the round: Bain Capital Ventures, Bosch Ventures, Insight Partners, Meritech Capital Partners, Salesforce Ventures, VenrockIndustry: Analytics, Big Data, Data Integration, Machine Learning, SoftwareFounders: Greg Neiheisel, Ry Walker, Tim BrunkFounding year: 2018Total equity funding raised: $375.9M

2. Stash $146.0M

Round: Series HDescription: 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 FoundationIndustry: Apps, Banking, FinTech, Mobile Apps, Personal FinanceFounders: Brandon Krieg, David Ronick, Ed RobinsonFounding year: 2015Total equity funding raised: $572.3MAlleyWatch’s exclusive coverage of this round:  Stash Raises $146M to Enhance Financial Guidance with its AI-Powered Platform

Round: VentureDescription: 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 AssociatesIndustry: E-Commerce, Food and Beverage, Food Delivery, RestaurantsFounders: Juan Cappello, Marc LoreFounding year: 2018Total equity funding raised: $2.4B