Current Startup and Venture Capital News as of 17 September 2026: Mega Round for Temporal in AI Infrastructure, Unicorns Exein and Open Cosmos, Semiconductor Deal EUCLYD, Wave of Rounds in 'Physical AI' in China, FOMC Meeting, Holtec IPO and Anthropic Listing Preparation

By mid-September 2026, the global venture market is exhibiting a notable shift: capital is migrating from ‘wrappers’ around language models to infrastructure that makes artificial intelligence reliable, cost-effective, and applicable in the physical world. Over the last 48 hours, venture funds have closed a series of large funding rounds — from $550 million in Temporal to €300 million in Open Cosmos — while Europe welcomed two new unicorns in a single day. Concurrently, investors are reassessing capital cost models: the 16 September FOMC meeting, where markets priced in over a 90% probability of the first rate increase since 2023, sets a new framework for late-stage startup valuations.

Key themes on the venture agenda for Thursday, 17 September 2026 include:

• Mega Round for Temporal. $550 million at a valuation of $12.55 billion — infrastructure for agent-based AI is becoming a standalone asset class.
• New Unicorns in Europe. Italian Exein ($1.7 billion) and British Open Cosmos (over $1 billion) confirm demand in cybersecurity and space.
• Semiconductors and 'Physical AI'. EUCLYD secures over €200 million, while China invests in robotics and chip inspection.
• Macro Factor. The FOMC and expensive venture debt alter the mathematics of late-stage rounds.
• IPO Window. Pricing for Holtec and Orion180, anticipation for Anthropic’s prospectus and Oura’s listing.
• Russia and CIS. The market has contracted nearly in half, with capital concentrating in the five largest deals.

Deal of the Day: Temporal Raises $550 Million for AI Agent 'Reliability'

The platform Temporal, which develops durable execution infrastructure for distributed applications and AI agents, has closed a Series E round of $550 million at a valuation of $12.55 billion. The round was led by Lightspeed, with co-investors including Wellington Management, Growth Equity at Goldman Sachs Alternatives, and Tiger Global; participants also included T. Rowe Price and SV Angel, with returning investors like a16z, Sequoia, Index, and GIC.

The dynamics are noteworthy: in February 2026, the company was valued at $5 billion during its Series D, meaning its valuation has more than doubled in seven months. Justification lies in the operational metrics that are rarely seen in startups of this scale:

1. Annual revenue exceeded $250 million, with over 200% year-on-year growth;
2. Net revenue retention (NDR) has remained above 200% since February;
3. In August, the platform processed 1.9 trillion billable actions, reflecting over 350% growth;
4. The number of paying customers reached 4,300 (+139%), including OpenAI, Netflix, Snap, NVIDIA, and JPMorgan Chase.

For venture investors, Temporal serves as a marker of a new thesis: the victor is not the one who trains the best model, but the one who controls how models execute multi-step processes in production.

Europe: Two New Unicorns in One Day

Exein — Europe’s Most Valuable Cybersecurity Startup

The Roman startup Exein has raised $270 million at a valuation of $1.7 billion in an oversubscribed round led by Headline. The deal involved Sofina, Goldman Sachs, the European Investment Bank group, KfW Capital, and T.Capital, along with previous investors Balderton, HV, and Lakestar. The total capital raised exceeds $600 million, its valuation has increased 30 times in two years, and ARR in the first half of 2026 has quadrupled.

The company protects ‘physical AI’ — robots, drones, autonomous transportation, and industrial devices — at the core operating system level. Its technology covers more than 2 billion connected devices, with approximately half of its revenue coming from the Asia-Pacific region. The funds will be used for expansion in the USA, M&A, and developing its own fundamental model for machine safety.

Open Cosmos — A Profitable Space Unicorn

British satellite manufacturer Open Cosmos has closed a Series C round of €300 million (around $348 million) at a valuation exceeding $1 billion. The round was led by Lightrock and ETF Partners; participants included the BCI pension fund, Institut Català de Finances, Entrepreneurs First, Phoenix Court, and the UK NSSIF, while Claret Capital provided venture debt. The company launches up to one satellite per day across four factories, has shown profitable growth for five consecutive years, and secured contracts worth over $370 million over three and a half years. The round was oversubscribed and deliberately targeted European investors — a signal that sovereign space infrastructure is becoming a priority for continental capital.

Semiconductors: EUCLYD Targets Inference Costs

Eindhoven-based startup EUCLYD has raised over €200 million in a Series A round co-led by Samsung, Somerset Capital Partners, the Scaleup Europe Fund managed by EQT, and Innovation Industries. The chairman of the board is former ASML CEO Peter Wenning. The company develops specialised ASICs and data centre-level systems that reduce energy consumption and memory bandwidth requirements when servicing large models. The thesis is simple: if inference becomes the largest computational load, the economics 'per token' transforms into a distinct semiconductor opportunity, irrespective of which model prevails.

Asia: China Dominates 'Physical AI' Rounds

The Asian trading day yielded a cluster of deals unified by one logic — funding for components and operating systems for robots, rather than demonstration prototypes:

• ENCOS (Nanjing) — over 300 million yuan Series B led by CITIC Goldstone for manufacturing integrated robotic joints and manipulators;
• Yincheng Intelligence (Shanghai) — around 100 million yuan Series A alongside a comparable-sized order from SF Express for sorting robots;
• Kangwei Vision (Shenzhen) — around 100 million yuan for optical inspection of AI server boards;
• Nutshell Therapeutics — C1 round of tens of millions of dollars from Trustbridge and Decheng with a candidate already in clinical phase I.

This is supplemented by Hong Kong's Qupital with $300 million in capital commitments for trade finance, Stockholm's Tandem Health with a $100 million Series B from EQT, and Tokyo's Yoom with its first external round of ¥700 million for orchestrating AI agents in corporate processes.

Macro: FOMC, Venture Debt, and New Capital Pricing

The FOMC rate has been held in the 3.50–3.75% range since December 2025; however, inflation in the US remained at 3.4% as of August amidst an energy shock induced by the conflict in the Middle East. Ahead of the meeting on 16 September, futures were pricing in about a 93% probability of a 25 basis point hike — the first since 2023. For the venture market, this implies a scenario of 'expensive money for a long time': floating credit lines tied to SOFR are being re-evaluated every 90 days, with each 25 basis points adding about $25,000 in annual costs for every $10 million in debt. Late-stage funds are already adjusting multiples, while companies with growing metrics like Temporal continue to attract capital at premium valuations.

IPO: The Window Is Open but Selectively

The year 2026 is poised to deliver the strongest results in the primary markets since 2021: since the start of the year, 331 applications have been filed, and 280 deals have been completed. On Thursday, 17 September, two listings are scheduled for pricing on Nasdaq: nuclear firm Holtec is offering 50 million shares at $15–18 (approximately $850 million), while insurer Orion180 aims to raise up to $340 million at a valuation of around $1.7 billion. Smart ring manufacturer Oura, which filed on 3 September, expects to list closer to the end of the month.

The season's highlight is Anthropic. Following a confidential S-1 filing in June and a Series H round at $65 billion, valuing the company at $965 billion, it is reportedly preparing a public prospectus for late September and a roadshow by mid-October with a target valuation of up to $2 trillion. Annual revenue as of the end of July surpassed $65 billion. The public financials of the AI market leader will serve as a benchmark for re-evaluating the entire private AI ecosystem.

Russia and CIS: Concentration Instead of Growth

The Russian venture market shrank by 48% year-on-year in the first half of 2026, down to 4.6 billion rubles, with the number of active investors falling from 50 to 33. Private funds accounted for 67% of volume (3.1 billion rubles in 21 deals), while corporate investments declined by 54% to 0.4 billion rubles. The top five deals represented about 60% of the market, with the ‘Architek AI’ round for 1.1 billion rubles accounting for nearly a quarter of the half-year volume. No foreign deals were registered — the market has become entirely domestic, and capital is being directed towards mature B2B companies with clear revenues.

What This Means for Venture Investors

1. Infrastructure Layer Is More Expensive than Model Layer. Temporal, EUCLYD, and DeepKernel demonstrate that the premium goes to those controlling execution, computation, and data.
2. 'Physical AI' Requires Proof. SF Express's order for Yincheng and clinical phases of Nutshell are valued higher than demonstrations.
3. Sovereignty Becomes a Budget Item. European rounds for Open Cosmos and EUCLYD have been raised with a focus on regional capital.
4. Expensive Debt Alters Round Structures. It is advisable to reevaluate floating credit lines and account for higher rates in models until the end of the year.
5. IPO Window Open for Quality. The prospectus for Anthropic will serve as a benchmark for valuations of private AI companies.

Day’s Summary

The venture market as of 17 September 2026 appears simultaneously generous and demanding: record rounds and new unicorns coexist with tightening criteria and increasing capital costs. Investors are paying for scarce assets — efficient chips, real operational data, deeply integrated workflows, and secure infrastructure. Intelligence is becoming cheaper, while the systems that turn it into reliable economic outcomes are getting more expensive. This is where capital is flowing.