Current Startup and Venture Capital News as of September 12, 2026: Mega-Rounds in Infrastructure, AI Chips, and Defense Technologies, IPO Preparations for DeepSeek and Oura, Strategic Deals by Meta and Salesforce, as well as Signals for Investors and Funds.

The second week of September 2026 revealed the true direction of venture capital. In just one day, the ten largest deals generated approximately $4.8 billion, with 93% of this amount going to only three companies: The Boring Company, Positron AI, and Mach Industries. The market did not turn into a "broad-based risk": investors are only willing to write massive checks to those startups that control scarce resources—tunnels, inference chips, optical connections for data centers, or defense production.

Key events shaping the venture market agenda for Saturday, September 12, 2026:

• The Boring Company closed a $3 billion Series D round at a $23 billion valuation, with the UAE as the lead investor; the deal is accompanied by a contract for the construction of over 150 km of tunnels.
• Positron AI raised $875 million at a $5 billion valuation just seven months after a round valuing it at $1.06 billion.
• Mach Industries expanded its Series C by an additional $600 million; the defense startup's valuation doubled to $3.7 billion within three months.
• Harvey secured $550 million at a $15.5 billion valuation, reinforcing the notion of vertical AI as a standalone category.
• DeepSeek has hired CITIC Securities to prepare for an IPO on Shanghai's STAR Market, with a potential valuation of around $75 billion.
• Meta and Salesforce are acquiring AI teams: Stilla.ai is already within Meta's scope, while Listen Labs is being discussed for around $2 billion.

The Boring Company: $3 Billion and Sovereign Capital as a Market Entry Strategy

The largest deal of the week was the $3 billion Series D round by The Boring Company, which secured a $23 billion valuation. The United Arab Emirates led the investment, with co-investors including Sequoia Capital, Andreessen Horowitz, and Baron Capital. Importantly, the funding was packaged with an agreement for the construction of over 150 km of tunnels within the UAE.

For venture investors, this represents a new model: sovereign capital serves as both a shareholder and a key customer, effectively removing the burden of customer acquisition from the company. However, engineering and project risks have not vanished—The Vegas Loop remains the company's primary showcase, while projects in Los Angeles, Washington, and Chicago have been halted. Nevertheless, the $23 billion valuation establishes a new norm: infrastructure startups with technology, political access, and the ability to participate in bids on the scale of tens of kilometers are receiving venture multiples.

AI Infrastructure: Inference and Photonics Instead of Another Chatbot

The focus of venture capital in artificial intelligence has definitively shifted from models to the "hardware" that supports them.

Positron AI: $875 Million for an Alternative to Nvidia in Inference

The Reno, Nevada-based startup closed a $375 million Series C and an additional Series C-1 round of up to $500 million at a valuation of $5 billion. The round was led by NEA, Atreides Management, Valor Equity Partners, Andra Capital, SemiAnalysis Capital, and Jim Clark; participating in the deal were Qatar Investment Authority, Cisco Investments, and Naver Ventures. The Asimov processor utilizes a "memory-first" architecture with up to 2.3 TB per chip, with mass production slated for the second half of 2027. More than 50 racks of the previous generation have already been deployed in Oracle Cloud Infrastructure.

Ayar Labs: Optical Connections Valued at $5 Billion

The silicon photonics developer added $150 million to its March Series E, raising the total round to $650 million and the valuation to approximately $5 billion, up from $3.8 billion at the beginning of the year. Strategic investors include Nvidia, AMD, and MediaTek. Demand from public companies underscores the narrative: Oracle reported quarterly capital expenditures of $28.5 billion, while hyperscalers issued bonds totaling approximately $220 billion over the year to finance data centers.

Defense Technologies: Mach Industries Doubles Valuation in a Quarter

Mach Industries has secured an additional $600 million in the expansion of its Series C, bringing the total round to approximately $900 million. The valuation increased from $1.8 billion in June to $3.7 billion. The deal included participation from Ribbit Capital, Infinite Capital, Bedrock Capital, and Sequoia. The company produces vertical take-off drones, long-range strike systems, and counter-drone technologies, and is expanding into propulsion systems through the acquisition of Exquadrum.

Investors are not funding a single platform but an industrial base: vertical integration of production is becoming a key barrier to entry. The defense sector in 2026 has definitively shed its status as a niche venture category—over six months, Anduril raised $5 billion, while Finland's ICEYE raised $1.2 billion.

Applied AI: Premium for Ownership of the Workflow

In parallel with mega-rounds in infrastructure, funding for vertical AI companies continues, with defenses built not on models but on integration into regulated processes:

1. Harvey — $550 million at a $15.5 billion valuation (led by Diffusion and Lightspeed); the legal AI startup released its own Tenet model based on open weights.
2. Inspiren — $70 million Series C at a valuation of $550 million led by NewView Capital; AI monitoring in nursing homes.
3. Rogo Technologies — about $30 million in strategic investments from Citi, Barclays, BNP Paribas, MUFG, and Société Générale; banks are becoming both shareholders and customers.
4. Graph AI — $13.3 million from Insight Partners and Bessemer for automating pharmacovigilance.

The common denominator of these deals is a specific purchaser, measurable operational outcomes, and a high cost of product replacement within the customer's stack.

M&A and Strategic Deals: Corporations Acquire Teams While Regulators Observe

Meta has acquired the Stockholm-based startup Stilla.ai, which emerged from stealth mode after a $5 million seed round, to strengthen business agents in WhatsApp and Messenger. Meanwhile, Salesforce is negotiating to purchase Listen Labs for approximately $2 billion — with the startup recently signing a term sheet for $125 million at a $1.5 billion valuation. This illustrates how AI companies are becoming acquisition targets long before reaching traditional scale.

At the same time, the U.S. Department of Justice is reviewing Nvidia's licensing deal with Groq for $17–20 billion for potential antitrust violations. This serves as an important signal for investors in chip startups: the "licensing plus team transition" model as an alternative to notified mergers may no longer be viable.

Asia: DeepSeek Prepares for IPO, Alibaba Values UniPat AI at $2.5 Billion

DeepSeek has enlisted CITIC Securities and three other underwriters to prepare for its listing on the STAR Market of the Shanghai Stock Exchange; the process is expected to begin by year-end. Concurrently, the company is conducting a pre-IPO round at an approximate valuation of 500 billion yuan (around $75 billion) following a June round of $7.4 billion. Alibaba is leading a $300 million round in UniPat AI—a platform for model evaluation and training—valued at $2.5 billion; Tencent and HSG are also involved in the deal. China is placing billion-dollar valuations on AI "tools" rather than just the models themselves. In India, Swish raised $24 million in Series B funding from Bertelsmann India Investments for ten-minute food delivery.

IPO Market: The Window is Open but Selectively

Oura has submitted an application for a Nasdaq listing under the ticker OURA and aims to raise up to $3 billion at a valuation exceeding $16 billion; the offering is expected by the end of September. Simultaneously, Motive Technologies has withdrawn its IPO of approximately $600 million—the public market continues to differentiate between "AI giants" and everyone else. Anthropic, as of midweek, is pushing its offering to October. Direct listings are experiencing a record year in number but not in returns for investors.

Russia and the CIS: The Funnel has Narrowed

As of September 9, approximately 90% of Russian startups were unprepared for investment: out of 2,681 applications for an industry show, only 2–4 projects made it to the final selection, despite investors making offers totaling over 700 million rubles. The selection process is tightening—the market is systematically filtering out projects without confirmed economics. The global context is amplifying this trend: according to KPMG, the global volume of venture investments reached $560.4 billion in the first half of 2026, but the top ten deals accounted for nearly half of that amount, with OpenAI and Anthropic alone comprising around $217 billion.

What This Means for Venture Investors and Funds

The September landscape fits the formula of "excess capital, persistent scarcity." Practical takeaways for managers:

• Strategic capital is becoming a distribution channel. The UAE for Boring, banks for Rogo, Oracle for Positron—a customer who is also an investor effectively reduces commercial risk more than a higher valuation from a financial fund.
• Capital intensity is no longer a flaw if it buys a barrier. Factories, chips, and photonics are being financed in tranches tied to specific milestones: design, output of usable products, client qualification.
• "AI-powered" is not an investment thesis. Premiums are awarded to those who own regulated processes, data, and switching costs.
• The Barbells Market Requires Two Strategies. Mega-checks are concentrated in the U.S., while seed and early rounds in Europe, India, and China remain small and rigorously selected.

The venture market enters the fall of 2026 with record reserves of capital and a narrowing circle of recipients. Companies that cannot be replicated by the next model release are winning.