The Weekly Notable Startup Funding Report: 4/21/25

The Weekly Notable Startup Funding Report takes us on a trip across various ecosystems in the US, highlighting some of the notable funding activity in the various markets that we track. The notable startup funding rounds for the week ending 4/12/25 featuring funding details for Hammerspace, loti, Spur, and thirteen other deals representing $890M in new funding that you need to know about.

Auradine – $138.0M

Santa Clara-based Auradine provides web infrastructure solutions encompassing blockchain, artificial intelligence, and privacy technologies. Founded by Barun Kar and Rajiv Khemani in 2022, Auradine has now raised a total of $289.0M in total equity funding and is backed by GSBackers, MARAHOLDING, Maverick Silicon, Mayfield Fund, Premji Invest, Qualcomm Ventures, Samsung Catalyst Fund, and StepStone Group.

Chapter – $75.0M

New York-based Chapter offers a Medicare navigation platform that provides advisory services for seniors seeking health coverage. Founded by Cobi Blumenfeld-Gantz, Corey Metzman, and Vivek Ramaswamy in 2020, Chapter has now raised a total of $184.0M in total equity funding and is backed by Addition, Maverick Ventures, Narya Capital, Stripes, Susa Ventures, and XYZ Venture Capital.

Doss – $18.0M

San Francisco-based Doss provides an adaptive resource platform (ARP) that integrates core business functions. Founded by Arnav Mishra and Wiley Jones in 2022, Doss has now raised a total of $18.0M in total equity funding and is backed by 20SALES, basecase capital, Contrary, General Catalyst, and Theory Ventures.

ExaForce – $75.0M

San Jose-based Exaforce is a cybersecurity company that enhances cloud security and streamlines SecOps with AI-driven solutions. Founded by Ankur Singla in 2023, ExaForce has now raised a total of $75.0M in total equity funding and is backed by Khosla Ventures, Mayfield Fund, Thomvest Ventures, and Touring Capital.

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Goodfire – $50.0M

San Francisco-based Goodfire helps developers understand, edit, and debug AI models at scale, enabling the creation of transparent systems. Founded by Dan Balsam, Eric Ho, and Tom McGrath in 2024, Goodfire has now raised a total of $57.0M in total equity funding and is backed by Anthropic, B Capital, Lightspeed Venture Partners, Menlo Ventures, South Park Commons, Wing Venture Capital, and Work-Bench.

Hammerspace – $100.0M

San Mateo-based Hammerspace is a data platform that obliterates data access delays for AI and high-performance computing. Founded by David Flynn, Douglas Fallstrom, and Trond Myklebust in 2018, Hammerspace has now raised a total of $156.7M in total equity funding and is backed by Altimeter Capital and ARK Investment Management.

hellocare – $47.0M

Clearwater-based hellocare is an end-to-end telehealth and virtual healthcare delivery platform comprising software, hardware, and AI. Founded by Labinot Bytyqi in 2012, hellocare has now raised a total of $47.0M in total equity funding and is backed by Bon Secours Mercy Health, HealthQuest Capital, LRVHealth, OSF Ventures, and UCHealth.

IUNU – $20.0M

Seattle-based IUNU is an industrial computer vision company that connects plants, facilities, and people through a single interface. Founded by Adam Greenberg in 2013, IUNU has now raised a total of $65.1M in total equity funding and is backed by Farm Credit Canada, Lewis & Clark AgriFood, and S2G Investments.

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Loti – $16.2M

Seattle-based Loti uses AI technologies to identify unauthorized uses of individuals’ likenesses, including deepfakes and impersonations. Founded by Hirak Chhatbar, Luke Arrigoni, and Rebekah Arrigoni in 2022, Loti has now raised a total of $22.9M in total equity funding and is backed by Bling Capital, Ensemble VC, FUSE, and Khosla Ventures.

Mainspring Energy – $258.0M

Menlo Park-based Mainspring Energy provides power generation technology using linear generators for clean energy. Founded by Adam Simpson, Matt Svrcek, and Shannon Miller in 2010, Mainspring Energy has now raised a total of $726.0M in total equity funding and is backed by Climate Pledge Fund, DCVC, Gates Frontier Fund, General Catalyst, Khosla Ventures, LGT group, Lightrock, M&G Investments, Marunouchi Innovation Partners, Pictet Private Equity Investors S.A., and Temasek Holdings.

Meadow – $14.0M

New York-based Meadow is a student payment and engagement platform that improves the higher education financial experience for students. Founded by Alfredo Brillembourg, Amy Jenkins, Cameron McLain, Gareth Dismore, Just Kraprayoon, Pietro Rea, and Tommy Stadlen in 2021, Meadow has now raised a total of $17.5M in total equity funding and is backed by Giant Ventures, Go Global Ventures, Matrix, Susa Ventures, and Treble.

NetRise – $10.0M

Austin-based NetRise provides a cloud based platform for detecting, analyzing, and securing firmware and software in the supply chain ecosystem. Founded by Michael Scott and Thomas Pace in 2020, NetRise has now raised a total of $24.8M in total equity funding and is backed by DNX Ventures, Miramar Digital Ventures, Sorenson Capital, Squadra Ventures, and Talons Ventures.

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Parallel Systems – $38.0M

Los Angeles-based Parallel Systems is an autonomous, battery-electric rail system that aims to transition freight transportation from trucking to rail. Founded by Ben Stabler, Brian Ignaut, John Howard, and Matthew Soule in 2020, Parallel Systems has now raised a total of $91.3M in total equity funding and is backed by Anthos Capital, Collaborative Fund, Congruent Ventures, and Riot Ventures.

Scout AI – $15.0M

Sunnyvale-based Scout AI Building the robotic foundation model for defense. Founded by Colby Adcock and Collin Otis in 2024, Scout AI has now raised a total of $15.0M in total equity funding and is backed by Align Ventures, Booz Allen Ventures, Bravo Victor Venture Capital, Decisive Point, Draper Associates, Evolution VC, Expansion Ventures, FJ Labs, Gaingels, Habitat Partners, Monte Carlo Capital, Perot Jain, Piedmont Capital Investments, Revelry Venture Partners, and Sigmas Group.

Spur – $4.5M

San Francisco-based Spur works in automation of all functional codes and E2E testing. Founded by Anushka Nijhawan and Sneha Sivakumar in 2024, Spur has now raised a total of $5.0M in total equity funding and is backed by Arash Ferdowsi, Ayush Sood, Conviction VC, First Round Capital, Kulveer Taggar, Liquid 2 Ventures, Matt MacInnis, Mihika Kapoor, Neo, Pear VC, Predictive, Sachith Gullapalli, Shyamal Hitesh Anadkat, and Y Combinator.

Vinyl Equity – $11.5M

Chicago-based Vinyl Equity is a transfer agent building modern infrastructure and services for publicly traded companies. Founded by Poornaprajna Udupi, Rob Schoder, and Jr in 2022, Vinyl Equity has now raised a total of $11.5M in total equity funding and is backed by Cambrian Ventures, Index Ventures, Infinity Ventures, and Spark Capital.