The Weekly Notable Startup Funding Report: 3/16/26 – AlleyWatch

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 3/14/26 featuring funding details for Nectir, Digit, Stake, and twenty-three other deals representing $2.9B in new funding that you need to know about.

AgentMail – $6.0M

San Francisco-based AgentMail provides an API-first email platform that enables AI agents to send, receive, and manage emails with automation and analytics. Founded by Haakam Aujla in 2025, AgentMail has now raised a total of $6.5M in total equity funding and is backed by Dharmesh Shah, General Catalyst, Karim Atiyeh, Paul Copplestone, Paul Graham, Phosphor Capital, Taro Fukuyama, and Y Combinator.

Amigo AI – $11.0M

New York-based Amigo builds AI agents that interact with patients to support intake, triage, care navigation, and ongoing patient assistance. Founded by Ali Khokhar and John Xing in 2024, Amigo AI has now raised a total of $17.5M in total equity funding and is backed by Madrona and Optum Ventures. AlleyWatch broke the news in an exclusive covering the round and much more – Amigo AI Raises $11M to Close the Gap Between Healthcare Demand and Clinical Capacity

Axiom Math AI – $200.0M

Palo Alto-based Axiom Math AI develops artificial intelligence systems designed to solve complex mathematical problems and produce formally verified proofs. Founded by Carina Hong in 2025, Axiom Math AI has now raised a total of $264.0M in total equity funding and is backed by B Capital, Greycroft, Madrona, Menlo Ventures, and Toyota Ventures.

BackOps AI – $26.0M

San Francisco-based BackOps AI develops software that automates operational workflows for logistics and supply chain teams using artificial intelligence. Founded by Henry Ou and Sean McCarthy in 2024, BackOps AI has now raised a total of $36.0M in total equity funding and is backed by 10vc, Construct Capital, Gradient, and Theory Ventures.

Crafting – $5.5M

San Francisco-based Crafting develops a developer infrastructure platform that enables software engineers to build, test, validate, and deploy software. Founded by Charlie Gao, Sumeet Vaidya, and Yisui Hu in 2021, Crafting has now raised a total of $5.5M in total equity funding and is backed by Andy Manoske, Arash Ferdowsi, Gokul Rajaram, Lenny Rachitsky, Merrill Lutsky, Mischief, and WndrCo.

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Dify.AI – $30.0M

Sunnyvale-based Dify is an open-source platform designed to build, deploy, and manage autonomous AI agents and workflows. Founded by Luyu Zhang in 2023, Dify.AI has now raised a total of $37.5M in total equity funding and is backed by 5Y Capital, Alt-Alpha Capital, GL-C Ventures, HSG, Mizuho Leaguer Investment, and NYX Ventures.

Digit – $3.0M

Atlanta-based Digital ERP is a cloud-based ERP system that helps manufacturers and distributors manage operations in one place. Founded by Alena Dagneau, Dan Koukol, and Simon Kronenberg in 2022, Digit has now raised a total of $6.3M in total equity funding and is backed by Assembly Ventures, Barrel Ventures, Grand Ventures, HPA (Hyde Park Angels), Service Provider Capital, and Tech Square Ventures.

Emboline – $20.0M

Santa Cruz-based Emboline is a medical device company with a game-changing device for total embolic protection during percutaneous heart valve repair. Founded by Amir Belson in 2011, Emboline has now raised a total of $95.0M in total equity funding and is backed by Trinity Capital.

Eridu – $200.0M

Saratoga-based Eridu provides frontier networking solutions for AI, purpose-built to meet the demands of scale-out and scale-up networks. Founded by Drew Perkins, Mike Capuano, and Omar Hassen in 2024, Eridu has now raised a total of $200.0M in total equity funding and is backed by Bosch Ventures, Capricorn Investment Group, Eclipse Ventures, Fusion Fund, Hudson River Trading, John Doerr, Matter Venture Partners, MediaTek, Osage University Partners, SBVA, Socratic Partners, TDK Ventures, VentureTech Alliance, and Zelda Ventures.

Lux Aeterna – $10.0M

Denver-based Lux Aeterna is a space infrastructure company that focuses on orbital activities through reentry and reusability. Founded by Brian Taylor in 2024, Lux Aeterna has now raised a total of $14.0M in total equity funding and is backed by Channel 39 Ventures, Cubit Capital, Decisive Point, Dynamo, Konvoy, Space Capital, and Wave Function Ventures.

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Mind Robotics – $500.0M

Palo Alto-based Mind Robotics develops artificial intelligence and robotics systems designed for industrial environments and manufacturing operations. Founded by Robert Scaringe in 2025, Mind Robotics has now raised a total of $615.0M in total equity funding and is backed by Accel and Andreessen Horowitz.

Nectir – $12.5M

Los Angeles-based Nectir is a learning platform that allows educators to create customizable and FERPA-compliant AI assistants that live within the LMS. Founded by Jordan Long and Kavitta Ghai in 2018, Nectir has now raised a total of $18.8M in total equity funding and is backed by GingerBread Capital, Rethink Impact, and Strada.

Nexthop AI – $500.0M

Santa Clara-based Nexthop AI develops networking infrastructure to support artificial intelligence workloads in large-scale cloud computing environments. Founded by Anshul Sadana in 2023, Nexthop AI has now raised a total of $610.0M in total equity funding and is backed by Altimeter Capital, Andreessen Horowitz, Battery Ventures, Emergent Ventures, Kleiner Perkins, Lightspeed Venture Partners, US Innovative Technology Fund, and WestBridge Capital.

Nyad – $1.3M

Birmingham-based Nyad is an AI-powered software platform that assists wastewater treatment plants in more efficiently testing and treating conditions. Founded by Christopher Braithwaite and Virginia Szepietowski in 2024, Nyad has now raised a total of $2.2M in total equity funding and is backed by Apprentis, Boost VC, Draper Associates, First Avenue Ventures, Halogen Ventures, Ollin Ventures, and Troy Wallwork.

Onyx Security – $40.0M

Wilmington-based Onyx Security provides cybersecurity software that monitors and manages risks in artificial intelligence and machine learning systems. Founded by Gil Elbaz and Maxim Kogan in 2024, Onyx Security has now raised a total of $45.0M in total equity funding and is backed by Conviction and Cyberstarts.

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ORO Labs – $100.0M

Palo Alto-based ORO Labs is an AI-powered procurement orchestration platform that enhances organizational efficiency. Founded by Lalitha Rajagopalan, Sudhir Bhojwani, and Yuan Tung in 2020, ORO Labs has now raised a total of $159.0M in total equity funding and is backed by B Capital, Brighton Park Capital, Felicis, Goldman Sachs Growth Equity, Norwest, and XYZ Venture Capital.

Quince – $500.0M

San Francisco-based Quince is an e-commerce company that offers apparel, accessories, home goods, and personal care products through an online platform. Founded by Becky Mortimer, Sid Gupta, and Sourabh Mahajan in 2018, Quince has now raised a total of $1.1B in total equity funding and is backed by 8VC, Baillie Gifford, Basis Set Ventures, DST Global, ICONIQ Capital, MarcyPen Capital Partners, Notable Capital, Wellington Management, and WndrCo.

Rasa Legal – $5.0M

South Salt Lake-based Rasa Legal offers software to help expunge criminal records in Utah and Arizona, making the process simple and affordable. Founded by Noella Sudbury in 2022, Rasa Legal has now raised a total of $6.1M in total equity funding and is backed by Halogen Ventures, Rethink Education, Richard King Mellon Foundation, and Social Finance.

Rebar – $14.0M

New York-based Rebar is a construction technology company that develops AI-powered estimating software for HVAC equipment suppliers. Founded by Andrew Schwartz and Evan Brown in 2024, Rebar has now raised a total of $14.0M in total equity funding and is backed by Founder Collective, Optimist Ventures, Prudence, Villain Capital, and Zero Infinity Partners.

Replit – $400.0M

Foster City-based Replit provides a cloud-based development platform that enables users to write, run, and deploy applications in browsers. Founded by Amjad Masad, Faris Masad, and Haya Odeh in 2016, Replit has now raised a total of $872.0M in total equity funding and is backed by 1789 Capital, Accenture Ventures, Andreessen Horowitz, Coatue, Craft Ventures, Databricks, Georgian, G Squared, Jared Leto, Okta Ventures, Prysm Capital, Qatar Investment Authority, Shaquille O’Neal, Tether Ventures, and Y Combinator.

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Sandbar – $23.0M

New York-based Sandbar creates voice, gesture, and wearable tools to help capture ideas and connect thoughts to digital actions. Founded by Kirak Hong and Mina Fahmi in 2023, Sandbar has now raised a total of $36.0M in total equity funding and is backed by Adjacent, Kanyi Maqubela, and Kindred Ventures.

Sigma360 – $17.3M

San Francisco-based Sigma360 is is the definitive risk decisioning software platform Founded by Gabrielle Haddad, Stuart Jones, and Jr. in 2016, Sigma360 has now raised a total of $26.4M in total equity funding and is backed by Contour Venture Partners, Moderne Ventures, Mosaik Partners, Orrick, Herrington & Sutcliffe, and Vocap Partners.

Stake – $8.0M

Dallas-based Stake provides a platform for investing in US stocks and ETFs, offering account management, a visa debit card, and cash back features. Founded by Jimmy Jacobson and Rowland Hobbs in 2020, Stake has now raised a total of $24.9M in total equity funding and is backed by Blue Field Capital, Gaingels, Hamilton Ventures, Hub Angels Investment Group, Lago Innovation Fund, RET Ventures, and Second Century Ventures.

Sunday – $165.0M

Mountain View-based Sunday is a robotics startup that builds home robots that utilize AI to assist with household tasks. Founded by Cheng Chi and Tony Zhao in 2024, Sunday has now raised a total of $200.0M in total equity funding and is backed by Bain Capital Ventures, Benchmark, Coatue, Conviction, Fidelity, Tiger Global Management, and Xtal.

Swarm Aero – $35.0M

Oxnard-based Swarm Aero is an aerospace and defense company that develops large-scale unmanned aerial vehicle (UAV) swarms for defense and missions. Founded by Danny Goodman, Oliver Palmer, and Peter Kalogiannis in 2022, Swarm Aero has now raised a total of $57.0M in total equity funding and is backed by Alumni Ventures, Coatue, Construct Capital, Founders Fund, Friends & Family Capital, Khosla Ventures, MaC Venture Capital, Scribble Ventures, Silent Ventures, and Two Sigma Ventures.

Xscape Photonics – $37.0M

New York-based Xscape Photonics provides photonic chips for high-speed connections in high-performance computing systems and data centers. Founded by Alexander Gaeta, Vivek Raghunathan, and Yoshi Okawachi in 2022, Xscape Photonics has now raised a total of $94.0M in total equity funding and is backed by Addition, IAG Capital Partners, and NVIDIA.

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