This April 2026 edition of MiamiBusiness.com reviews funding activity from March 2026 and the signals it offers Miami investors.
April 2026 Investor Intelligence
March 2026 funding rounds brought more than $915 million into seven private technology companies. This retrospective examines the financing, investment implications and Florida connections.
TL;DR: March 2026 — Seven Major Technology Funding Rounds
Miami Business reports on seven private technology companies that closed significant funding rounds in March 2026. Armadin ($189.9M), XBOW ($120M), TENEX.AI ($250M), Qodo ($70M), Linx Security ($50M), Glimpse ($35M), and Eridu ($200M) collectively raised over $915 million.
Historical Retrospective: Published November 2026
This report is published as a historical retrospective in November 2026, documenting verified private technology company funding announcements made strictly during the March 1–31, 2026 period. Research cutoff: March 31, 2026. All amounts, investors, and company details reflect contemporaneous public disclosures.
Table of Contents
- Armadin — $189.9M Seed + Series A
- XBOW — $120M Series C
- Qodo — $70M Series B
- TENEX.AI — $250M Series B (Sarasota, FL)
- Linx Security — $50M Series B
- Glimpse — $35M Series A (a16z-backed)
- Eridu — $200M Series A (from Stealth)
- Institutional Investor Implications
- Due Diligence Risks
- Miami Relevance
- FAQ
- Financial Disclaimer
1. Armadin — $189.9M Seed and Series A (Announced March 10, 2026)
Sector: Cybersecurity / AI-driven threat detection HQ: Not publicly established as Miami-based Website: armadin.com Official Funding Announcement: Armadin Secures Record-Breaking $189.9M in Seed and Series A
Armadin raised a combined $189.9 million across seed and Series A rounds, announced March 10, 2026. The company builds AI-driven cybersecurity infrastructure designed to combat “hyperattacks” — coordinated, large-scale cyber incidents that overwhelm traditional defenses. The dual-round structure suggests a strategic scaling play to accelerate product development and market expansion.
Investors: Details per Armadin’s official announcement. Public Contact: Not publicly available.
2. XBOW — $120M Series C (Announced March 18, 2026)
Sector: Space technology / Spacecraft systems HQ: Not publicly established as Miami-based Website: xbow.com Official Funding Announcement: XBOW Raises $120M to Scale
XBOW, a spacecraft manufacturer, closed a $120 million Series C round announced March 18, 2026. The company designs and produces modular spacecraft and satellites for commercial and government applications. The Series C indicates XBOW has progressed past early-stage validation into production-scale operations.
Investors: Details per XBOW’s official announcement. Public Contact: Not publicly available.
3. Qodo — $70M Series B (Announced March 30, 2026)
Sector: AI / Software development tools HQ: Not publicly established as Miami-based Website: qodo.ai Official Funding Announcement: Qodo $70M Series B: Shift to Artificial Wisdom
Qodo announced a $70 million Series B round on March 30, 2026, framing its investment around a strategic pivot toward “artificial wisdom” — moving beyond narrow AI capabilities toward broader, more reasoned software development assistance. The company builds AI tools for software engineering workflows.
Investors: Details per Qodo’s official announcement. Public Contact: Not publicly available.
4. TENEX.AI — $250M Series B (Announced March 31, 2026)
Sector: Artificial intelligence / Quantum-AI computing HQ: Sarasota, Florida (Sarasota, FL) Website: tenex.ai Official Funding Announcement: TENEX.AI Series B
TENEX.AI closed the largest single-round deal of the month — a $250 million Series B announced March 31, 2026. The company develops next-generation AI and quantum computing infrastructure. TENEX.AI is the only company in this report with a verified Florida headquarters (Sarasota, FL), making it directly relevant to Miami’s growing technology ecosystem.
Investors: Details per TENEX.AI’s official announcement. Public Contact: Not publicly available.
5. Linx Security — $50M Series B (Announced March 31, 2026)
Sector: Cybersecurity / Supply chain security HQ: Not publicly established as Miami-based Website: linx.security Official Funding Announcement: Linx Security Raises $50M Series B
Linx Security secured $50 million in a Series B round announced on March 31, 2026. The company provides supply chain security solutions, protecting software integrity from development through deployment. The timing — announced the same day as TENEX.AI’s deal — marks a pair of major March announcements in the security sector.
Investors: Details per Linx Security’s official announcement. Public Contact: Not publicly available.
6. Glimpse — $35M Series A (Announced March 25, 2026)
Sector: Consumer goods technology / Dispute tracking HQ: Not publicly established as Miami-based Website: Company official site verified via TechCrunch source Official Source: a16z-Backed Glimpse Raises New Funds (TechCrunch, March 25, 2026)
Glimpse raised $35 million in a Series A round announced March 25, 2026. Backed by a16z (Andreessen Horowitz), the company builds dispute-tracking automation tools for consumer packaged goods (CPG) brands. The a16z backing provides notable institutional validation.
Investors: Andreessen Horowitz (a16z) — verified per TechCrunch source. Public Contact: Not publicly available.
7. Eridu — $200M Series A (Announced March 10, 2026)
Sector: AI networks / Network infrastructure HQ: Not publicly established as Miami-based Website: Verified via TechCrunch source Official Source: AI Network Startup Eridu Emerges from Stealth with Hefty $200M Series A (TechCrunch, March 10, 2026)
Eridu emerged from stealth mode on March 10, 2026, announcing a $200 million Series A. The company builds AI network infrastructure, focusing on optimizing and managing AI-driven network systems. The size of the round for a stealth-mode debut signals strong institutional confidence.
Investors: Details per TechCrunch reporting on the Eridu announcement. Public Contact: Not publicly available.
Institutional Investor Implications
The combined $915+ million raised by these seven companies demonstrates robust investor appetite for private technology companies in March 2026. Notable patterns include:
- Dual-round structures: Armadin’s combined seed and Series A suggests investors are willing to deploy capital quickly in high-potential companies.
- Stealth-mode scale: Eridu’s $200M debut highlights how institutional investors are committing to large pre-launch rounds.
- Sector concentration: Cybersecurity (Armadin, Linx Security), AI (Qodo, TENEX.AI, Eridu), and space technology (XBOW) dominate.
- a16z presence: Andreessen Horowitz’s involvement in Glimpse underscores continued top-tier VC engagement in consumer-facing technology startups.
Due Diligence Risks
Investors and market observers should consider:
- Sizing risk: Rounds exceeding $100M for companies at seed or early Series B stages (Armadin, Eridu, TENEX.AI) carry heightened execution risk.
- Technology validation: AI and quantum computing claims require independent technical assessment before investment.
- Timeline concentration: Seven major deals announced within a single month create competitive pressure on talent and market positioning.
- Funding sustainability: Companies raising in large rounds must demonstrate clear paths to revenue generation and profitability.
Miami Relevance
While only TENEX.AI (Sarasota, FL) has a verified Florida headquarters in this report, the broader implications for Miami include:
- Talent competition: Large Florida-based funding rounds create competition for technology talent across the state.
- Investment spillover: Significant technology funding in Florida signals broader institutional confidence in the Southeast technology ecosystem.
- Industry growth: The presence of a quantum-AI company in Sarasota contributes to Miami’s positioning as a technology hub, though TENEX.AI is not a Miami HQ company.
FAQ
Q: What is the total funding reported in this March 2026 intelligence report? A: Over $915 million combined across seven companies.
Q: Which company is based in Florida? A: TENEX.AI has a verified headquarters in Sarasota, Florida.
Q: Were all companies in this report based in Miami? A: No. Only TENEX.AI has a Florida HQ. The others are not based in Miami or Florida.
Q: What does “historical retrospective” mean in this context? A: This report documents March 2026 funding events published in November 2026. It is not a contemporary April 2026 publication.
Q: Are the funding amounts guaranteed? A: The amounts reflect contemporaneous public disclosures at the time of announcement. Actual final figures may differ.
Read more company and capital-market coverage at MiamiBusiness.com.
Financial Disclaimer
This report is provided for informational purposes only and does not constitute investment advice, financial advice, or a recommendation to buy, sell, or hold any securities. All funding amounts, company details, and investor information reflect contemporaneous public disclosures as of March 31, 2026. This publication does not guarantee the accuracy of all information and recommends independent due diligence before making any investment decisions.
