Startup Funding Tracker — 2026-06-05
Confirmed startup funding reached over $2.1 billion in the past 24 hours, led by database platform Supabase's $500 million Series F at a $10.5 billion valuation. The week's biggest rounds span enterprise software, AI infrastructure, and defense tech, with Mach Industries hitting $1.8 billion valuation on a $300 million raise. Meanwhile, SpaceX filed Amendment No. 1 to its S-1 on June 1, signaling imminent IPO pricing on Nasdaq.
Startup Funding Tracker — 2026-06-05

Top Confirmed Rounds
| Company | Stage | Amount | Lead Investor | Sector | HQ |
|---|---|---|---|---|---|
| Supabase | Series F | $500M | (Multiple) | Database/Backend | San Francisco |
| Mach Industries | Growth | $300M | (Multiple) | Defense Tech | Huntington Beach |
| Contraline | Series B | $92.5M | (Multiple) | Biotech/Contraception | (Multiple) |
| Ona | Series A+ | $86.6M | (Multiple) | Biotech/Digital Health | (Multiple) |
| Apoha | Series A | $36M | Singular | AI/Liquid Intelligence | (Multiple) |
| Board | Series A | $20M | Union Square Ventures | Social/Gaming | New York |
Deal Spotlights
Supabase — $500M Series F
- Investors: Multiple institutional backers (lead not disclosed in latest round)
- Use of proceeds: Accelerating product development and market expansion for its open-source PostgreSQL alternative. The fresh capital funds global scaling and enterprise customer acquisition.
- Why it matters: Supabase's $10.5 billion post-money valuation positions it as one of the most valuable developer infrastructure companies. The $500M raise underscores investor appetite for backend-as-a-service platforms competing with Firebase and AWS, signaling continued consolidation in the database market.
- Valuation: $10.5 billion (post-money)

Mach Industries — $300M Growth Round
- Investors: Multiple growth-stage backers (names not disclosed)
- Use of proceeds: Funding autonomous vehicle development and advancing five vehicles in the production pipeline. Capital supports manufacturing scaling and next-generation defense technology.
- Why it matters: Mach Industries' valuation jumped from $450 million to $1.8 billion in one year—a 4x multiple—cementing its status as a defense-tech unicorn. At 22 years old, founder Ethan Thornton leads one of the fastest-scaling U.S. defense contractors, signaling major institutional confidence in autonomous defense systems.
- Valuation: $1.8 billion (post-money)

Apoha — $36M Series A
- Investors: Led by Singular; additional backers not disclosed
- Use of proceeds: Scaling "liquid intelligence" AI platform for pharmaceutical and food industry customers. Funding accelerates R&D for wave-form data analysis technology and market expansion.
- Why it matters: Apoha emerged from stealth with a novel AI approach using liquid-based wave-form data—a differentiated moat in a crowded AI market. Singular's lead signals confidence in deep-tech AI for regulated industries, where data defensibility matters most.
- Valuation: Undisclosed (Series A)

Sector Snapshot
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Database & Developer Infrastructure (1st place by capital): Supabase's $500M Series F dominated 24-hour dealflow, with investors betting heavily on PostgreSQL-based alternatives and open-source backend platforms.
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Defense Tech & Autonomous Systems (2nd): Mach Industries' $300M growth round underscores record investor appetite for U.S. defense startups, particularly autonomous vehicle and AI-enabled systems.
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Biotech & Healthcare: Contraline ($92.5M Series B for male contraception) and Ona ($86.6M Series A+) reflect strong institutional demand for clinically validated, female-founded biotech.
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AI Infrastructure & Deep Tech: Apoha's $36M Series A for wave-form AI and Board's $20M Series A (social tech from Mirror founder Brynn Putnam) signal continued investor focus on AI-native companies with novel data models or consumer engagement mechanics.
IPO & M&A Watch
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SpaceX S-1 Amendment (June 1, 2026): SpaceX filed Amendment No. 1 to its Form S-1, confirming plans to list Class A common stock on Nasdaq. The filing reveals Elon Musk and insiders retain dominant voting control. Prior all-stock acquisition of xAI (February 2026) valued the combined entity at $1.25 trillion, with xAI at ~$250B and SpaceX at ~$1 trillion. This is the most closely watched aerospace IPO in a decade.
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AmperCap Acquisition (SPAC) IPO Pricing (June 3, 2026): AmperCap Acquisition Company closed a $125 million SPAC IPO on Nasdaq under ticker APMCU. Units began trading with each consisting of one ordinary share plus 1/10 of a warrant. This marks continued SPAC activity in early 2026 despite regulatory scrutiny.
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M&A Signal (Late May): SpaceX's acquisition of xAI in February 2026 for ~$250B valuation is the largest disclosed startup acquisition on record, reflecting mega-cap appetite for AI-enabled aerospace capabilities and vertical integration. No new M&A closures announced in the 24-hour window, but M&A pipelines remain active in defense, biotech, and enterprise software.
Notable Rumors (Unconfirmed)
No fresh unconfirmed rumors with named reporting outlets detected in the 24-hour window. Previous signals around Anthropic's IPO timing and additional mega-rounds remain in flux pending official announcements.
What to Watch Next
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SpaceX IPO Pricing Window (June 5–14, 2026): S-1/A amendment suggests imminent pricing and listing on Nasdaq. Valuation expectations range from $120–$135B.
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Anthropic IPO Readiness: Following its $50B fundraise in May 2026 (54% of total global funding), Anthropic is widely expected to file S-1 imminently and price by Q3 2026. Watch for Nasdaq vs. NYSE venue choice and reference pricing.
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Defense-Tech Follow-On Rounds: Mach Industries' 4x valuation jump and $300M raise signal more mega-rounds expected for U.S. defense autonomous vehicle startups. Monitor Anduril Industries, Palantir-adjacent plays, and defense-enabled AI firms for Q3 2026 fundraising.
Reader Action Items
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For founders: Biotech and defense-tech sectors show strongest institutional appetite post-Anthropic mega-round. If you operate in clinically anchored healthcare, autonomous systems, or AI-for-regulated-industries, investor capital is flowing fast. Seed-stage AI startups commanding $6B+, late-stage rounds topping $65B—but capital is concentrating heavily in AI and defense. Non-AI B2B founders should expect longer sales cycles and smaller check sizes.
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For investors: Supabase's $500M at $10.5B signals database/infrastructure is no longer a red-flag category—it's a blue-chip venture thesis. Defense-tech valuations are accelerating 4x YoY. Mach Industries' jump from $450M to $1.8B in 12 months is a 4x multiple comparable to early Palantir trajectory. If you're underweight defense or infrastructure, consider position-building ahead of Q3 mega-rounds.
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For operators: Hiring signals are strong in defense, biotech, and AI infrastructure. Mach Industries' autonomous vehicle pipeline and SpaceX's imminent IPO will trigger significant C-suite and engineering talent relocations. If you're competing for aerospace/defense talent, expect compressed timelines and higher offer packages. Healthcare automation and regulated-industry AI are also seeing accelerated hiring.
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