Top 10 Financial Transactions of September 15, 2025

Top 10 Transactions from September 15-19, 2025: PE, VC & M&A Highlights

Top 10 Transactions from September 15-19, 2025: PE, VC & M&A Highlights
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The private company data space is vast, fragmented, and often overwhelming. Deal sourcing teams are faced with endless streams of announcements, filings, and rumors, making it difficult to pinpoint the transactions that actually matter.

That’s why inside dakota marketplace, we’ve zeroed in on this space. We’ve created a centralized resource where deal sourcers can easily find and track the exact deals they’re looking for.

In this article, we’ve curated 10 top transactions from last week that stood out in the marketplace and signal key trends shaping the deal landscape. By the end of this, you’ll have a better understanding of these deals.

1. Intel - Minority Investment

  • Transaction Date: 9/18/2025
  • Sector: Information Technology
  • Type: Growth Equity
  • Transaction Value: $5B
  • Participants: NVIDIA Corporation and Intel

NVIDIA announced a $5 billion minority investment in Intel, purchasing common stock at $23.28 per share, pending regulatory approvals. The partnership will support joint development of AI infrastructure and personal computing products, combining Intel’s chipmaking capabilities with NVIDIA’s leadership in accelerated computing. The deal highlights deepening collaboration between two semiconductor giants as demand for AI-driven computing surges.

2. Inigo Limited - Strategic Acquisition

  • Transaction Date: 9/18/2025
  • Sector: Financials
  • Type: M&A
  • Transaction Value: $1.7B
  • Participants: Radian Group Inc, J.C. Flowers & Co., La Caisse (Caisse de dépôt et placement du Québec), Oak Hill Advisors, Qatar Investment Authority, The Enstar Group, Inc., Goldman Sachs Investment Banking, Guy Carpenter Japan Inc, Skadden, Arps, Slate, Meagher & Flom LLP, and RBC Capital Markets Investment Banking

Radian Group (NYSE: RDN) will acquire Inigo Limited, a fast-growing Lloyd’s specialty insurer, in a $1.7 billion primarily cash transaction. The deal transforms Radian from a U.S. mortgage insurer into a global multi-line specialty insurer, doubling annual revenue and delivering significant EPS and ROE accretion in its first full year. Inigo’s leadership team will remain in place, bringing strong underwriting expertise and complementary specialty insurance capabilities to Radian’s expanded platform.

3. Paramount Group - Strategic Acquisition

  • Transaction Date: 9/17/2025
  • Sector: Real Estate
  • Type: M&A
  • Transaction Value: $1.6B
  • Participants: Rithm Capital Corp, Paramount Group, UBS Investment Bank, Citigroup Global Markets, Skadden, Arps, Slate, Meagher & Flom LLP, BofA Securities, Inc., Latham & Watkins

Rithm Capital (NYSE: RITM) agreed to acquire Paramount Group (NYSE: PGRE), a Class A office REIT with 13.1 million square feet across New York City and San Francisco, in a $1.6 billion all-cash deal. Paramount shareholders will receive $6.60 per share, and the transaction expands Rithm’s commercial real estate and asset management platform with a high-quality portfolio in two of the nation’s top office markets. The acquisition underscores Rithm’s conviction in the recovery of office fundamentals and its strategy to scale its owner-operator model.

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4. Sana - Strategic Acquisition

  • Transaction Date: 9/16/2025
  • Sector: Information Technology
  • Type: M&A
  • Transaction Value: $1.1B
  • Participants: Workday Inc, Allen & Company LLC, Orrick, Herrington & Sutcliffe LLP, DLA Piper, and Sana

Workday (NASDAQ: WDAY) signed a definitive agreement to acquire Sana, an AI company specializing in enterprise knowledge, search, and learning tools, in a $1.1 billion deal. The acquisition will integrate Sana’s AI-powered agents and learning platform with Workday’s data and applications, creating a new “front door for work” that delivers proactive, personalized, and intelligent employee experiences. Sana will continue to develop its core products while scaling innovation to Workday’s 75 million users worldwide.

5. Sunroad Enterprises- Real Estate

  • Transaction Date: 9/15/2025
  • Sector: Real Estate
  • Type: Real Assets
  • Transaction Value: $1.1B
  • Participants: Fairfield Residential and Sunroad Enterprises

JLL Capital Markets arranged a $1.1 billion venture between Sunroad Enterprises and Fairfield for a 15-property, 3,830-unit multifamily portfolio across six states. The deal included $415 million in Freddie Mac financing for 10 assets and $250 million from KKR-managed accounts, supporting a mix of Class A core and value-add communities. The transaction highlights continued liquidity and demand in the U.S. multi-housing sector despite broader economic headwinds.

6. Oxford Ionics - Strategic Acquisition

  • Transaction Date: 9/17/2025
  • Sector: Information Technology
  • Type: M&A
  • Transaction Value: $1.08B
  • Participants: IonQ, Paul Weiss Rifkind Wharton & Garrison LLP, Hogan Lovells US LLP, Morgan Stanley & Co. International Plc, and Oxford Ionics

IonQ (NYSE: IONQ) completed the acquisition of Oxford Ionics, a UK-based quantum computing company, to accelerate its roadmap toward scalable, fault-tolerant quantum systems. The deal brings Oxford Ionics’ patented trapped ion technology and team of scientists under IonQ’s platform, strengthening its hardware and software stack while establishing a UK base for research and partnerships. The acquisition positions IonQ to expand globally and advance the commercialization of practical quantum computing solutions.

7. DX - Strategic Acquisition

  • Transaction Date: 9/18/2025
  • Sector: Information Technology
  • Type: M&A
  • Transaction Value: $1B
  • Participants: Atlassian Corporation Plc

Atlassian (NASDAQ: TEAM) announced a $1 billion acquisition of DX, a leader in engineering intelligence, to enhance its AI-powered collaboration and productivity suite. The deal will integrate DX’s developer productivity and benchmarking capabilities into Atlassian’s System of Work – including Jira, Bitbucket, and Rovo Dev – giving enterprises deeper insights into how AI impacts engineering efficiency. With DX’s data-driven platform, Atlassian aims to help its 300,000+ customers measure returns on AI investments and accelerate developer performance at scale.

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8. Figure - Series C

  • Transaction Date: 9/16/2025
  • Sector: Industrials
  • Type: Venture
  • Transaction Value: $1B
  • Participants: Parkway Venture Capital, Brookfield Asset Management, NVIDIA Corporation, Macquarie Capital (Australia), Intel Capital, Align Ventures, Tamarack Global, LG Technology Ventures, Salesforce Ventures, T-Mobile Ventures, and Qualcomm Ventures

Figure raised over $1 billion in Series C financing at a $39 billion post-money valuation to accelerate the commercialization of its humanoid robots. The round was led by Parkway Venture Capital with participation from Brookfield, NVIDIA, Intel, Salesforce, T-Mobile Ventures, Qualcomm, and others. Proceeds will scale manufacturing, expand deployments, and advance Figure’s AI platform Helix, positioning the company as a leader in embodied intelligence.

9. Hill Top Energy Center - Energy

  • Transaction Date: 9/15/2025
  • Sector: Energy
  • Type: Real Assets
  • Transaction Value: $1B
  • Participants: Blackstone Inc, Ardian, Kirkland & Ellis LLP, Santander Bank, and Houlihan Lokey Inc

Blackstone Energy Transition Partners will acquire Hill Top Energy Center, a 620-megawatt natural gas power plant in Western Pennsylvania, from Ardian in a deal valued at nearly $1 billion. Completed in 2021, Hill Top is one of the most efficient combined cycle gas turbine plants in the U.S. and will play a strategic role in meeting rising power demand from AI-driven data center growth in the PJM market. The acquisition builds on Blackstone’s broader $25 billion commitment to Pennsylvania’s energy and digital infrastructure announced earlier this year.

10. Entek - Secondary Buyout

  • Transaction Date: 9/17/2025
  • Sector: Materials
  • Type: Buyout
  • Transaction Value: $800M
  • Participants: I Squared Capital, Endeavour Capital, William Blair, Troutman Pepper Locke LLP, Holland & Knight LLP, and Kirkland & Ellis LLP

I Squared Capital agreed to acquire a majority stake in ENTEK Technology Holdings, a leading global battery separator manufacturer, in an $800 million secondary buyout. The investment, alongside a $1.3 billion U.S. Department of Energy loan, will fund construction of a gigafactory in Terre Haute, Indiana—the first U.S. facility producing wet-process lithium-ion battery separators for EVs, energy storage, and defense. The project is expected to create over 1,300 jobs and position ENTEK as the only scaled, U.S.-based supplier in this critical segment.

Transactions with dakota marketplace

At dakota, we understand how important it is to stay current on deal activity as it happens. That’s why our editorial team is constantly monitoring the news for real-time updates on platform investments, add-ons, divestitures, and more. Each day, we deliver these highlights directly to your inbox through our transactions newsletter.

Inside dakota marketplace, the transactions tab gives you access to structured, filterable data complete with dates, deal structure, sectors, and financials, so you can build a feed tailored to your specific interests.

Whether you're evaluating a new investment opportunity or tracking trends in a target sector or segment, dakota Marketplace helps you cut through the noise and focus on what matters most.

For more information on these transactions and a deeper dive into their industries and sub-industries, book a demo of dakota marketplace.

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Written By: Morgan Holycross, Marketing Manager

Morgan Holycross is a Marketing Manager at Dakota.