January 2026 began with mega-mergers and acquisitions, signaling renewed confidence among strategic buyers and private equity firms. From healthcare and fintech to energy infrastructure and industrials, January 2026 saw over $50 billion in announced M&A activity, highlighting where capital is flowing and which sectors are heating up early in the year.
Below, we highlight the top 10 largest M&A deals announced in the month, based on Intellizence Mergers & Acquisitions Dataset.
Boston Scientific to Acquire Penumbra
Transaction Value: $14.5 billion
Industry: Medical Device, Manufacturing
Boston Scientific announced the acquisition of Penumbra, one of Alameda’s largest medical technology companies, for $14.5 billion. The deal significantly expands Boston Scientific’s neurovascular and interventional device portfolio, reinforcing its leadership in minimally invasive therapies.
Mitsubishi Corporation to Buy Aethon Energy Management
Transaction Value: $7.5 billion
Industry: Healthcare, Medical Device
Buffett-backed Mitsubishi Corporation agreed to acquire U.S. natural gas producer Aethon Energy Management for $7.5 billion, strengthening its North American energy footprint amid rising global demand for gas-based power generation.
Hg to Acquire OneStream
Transaction Value: $6.4 Billion
Industry: Energy & Utilities
Private equity firm Hg Capital moved to acquire OneStream Software, a financial performance management software provider, for $6.4 billion. The deal underscores PE’s continued appetite for mission-critical enterprise software with recurring revenue models.
Deutsche Börse Group to Acquire Allfunds
Transaction Value: $6.3 Billion
Industry: Financial Services
Deutsche Börse Group announced its acquisition of Allfunds for $6.3 billion, enhancing its presence in fund distribution and post-trade financial infrastructure. The Acquisition is expected to deliver substantial benefits for the European investment fund industry and establish a harmonized platform with global reach, better positioned to support the allocation of retail savings into productive capital solutions such as investment funds.
Capital One to Buy Brex
Transaction Value: $5.15 Billion
Industry: Financial Services
Capital One plans to acquire San Francisco-based fintech Brex for $5.15 billion, accelerating its expansion into AI-driven business payments, corporate cards, and expense management. Brex is a modern, AI-native software platform offering intelligent finance solutions that make it easy for businesses to issue corporate cards, automate expense management and make secure, real-time payments.
Vistra Acquires Cogentrix Energy
Transaction Value: $4 Billion
Industry: Energy & Utilities
Vistra Energy has acquired Cogentrix Energy for $4 billion, adding 10 modern gas plants totaling 5,496 MW. The transaction strengthens Vistra’s competitive positioning in the U.S. energy market amid grid reliability concerns.
Talen Energy to Buy Gas Assets from Energy Capital Partners
Transaction Value: $3.45 Billion
Industry: Energy & Utilities
Talen Energy agreed to acquire 2.6 GW of gas plants from Energy Capital Partners for $3.45 billion, further consolidating gas-fired generation assets in key U.S. markets. “This acquisition further diversifies Talen’s generation portfolio by adding both baseload capacity and strong cash flow contribution and enhances our presence in the western PJM market, which has significant data center tailwinds,” said Mac McFarland, Talen Chief Executive Officer.
Leidos to Acquire ENTRUST Solutions Group
Transaction Value: $2.4 Billion
Industry: Metals & Mining
Leidos acquired ENTRUST Solutions Group from Neuberger Berman Capital Solutions in a transaction valued at approximately $2.4 billion, expanding Leidos’ capabilities in infrastructure engineering and utilities consulting. The company has also benefited from increased investment to strengthen and modernize aging grid infrastructure against extreme weather events.
The move helps Leidos double the size of its $600 million energy infrastructure engineering business, and would broaden its clients to include gas utilities as well.
Worthington Steel Acquires Kloeckner & Co
Transaction Value: $2.4 Billion
Industry: Manufacturing
Worthington Steel announced the acquisition of Kloeckner & Co for $2.4 billion, creating a stronger vertically integrated steel processing and distribution platform. The acquisition will make Worthington a transatlantic metals leader with combined annual revenue exceeding $9.5 billion.
Clorox to Buy Gojo Industries
Transaction Value: $2 Billion+
Industry: Retail
Clorox agreed to acquire Gojo Industries, the maker of Purell, for more than $2 billion, reinforcing its leadership in health & hygiene, cleaning, and consumer health products. Linda Rendle, chair and chief executive officer of The Clorox Company said,”This is a compelling acquisition that evolves our portfolio and scales our fastest growing, most profitable operating segment – Health and Wellness – as we execute our IGNITE strategy to deliver long-term shareholder value.”
FAQs — Intellizence M&A Dataset
What is Intellizence M&A Intelligence?
Intellizence M&A Dataset provides near real-time tracking of global mergers, acquisitions, asset sales, and strategic investments, delivered as structured data and curated company news signals.
Why do companies pursue M&A deals?
Companies engage in M&A to accelerate growth, enter new markets, acquire technology, reduce competition, or improve operational efficiency. M&A can also help companies diversify revenue and reduce risk.
How are M&A deals funded?
Deals can be funded through cash, stock, debt financing, or a combination. Large transactions often involve investment banks, private equity firms, and syndicated lenders.
Can I integrate M&A data into my product or workflows?
Yes. Intellizence offers API access, daily alerts, and deep integrations to help power sales intelligence tools, AI models, CRM workflows, dashboards, and investment research platforms.
Which regions and industries are covered?
Intellizence covers global M&A activity across:
- North America, Europe, Asia-Pacific, Middle East, and emerging markets
- Sectors such as technology, healthcare, energy, fintech, industrials, consumer goods, and financial services
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