May 2026 was a strong month for global M&A activity, led by mega-deals across utilities, gaming, healthcare technology, business travel, industrial technology, digital assets, construction software, semiconductors, electrical infrastructure, and aerospace.
The month’s largest transactions show how companies are using acquisitions to gain scale, deepen technology capabilities, expand into high-growth end markets, and strengthen competitive positioning in industries being reshaped by AI, electrification, infrastructure modernization, and digital transformation.
Top 10 M&A Deals Announced in May 2026
1. NextEra Energy to Acquire Dominion Energy – $67 Billion
NextEra Energy acquired Dominion Energy in an all-stock transaction valued at approximately $67 billion. The deal is expected to create one of the world’s largest regulated electric utility businesses, combining NextEra’s scale in power generation and infrastructure with Dominion’s strong regulated utility footprint.
The acquisition gives NextEra greater scale in regulated utilities, expands its geographic footprint, and strengthens its position in high-demand power markets. Dominion’s exposure to Virginia and data-center-heavy regions adds strategic value as AI infrastructure continues to drive electricity consumption.
2. Fertitta Entertainment to Acquire Caesars Entertainment – $17.6 Billion
Fertitta Entertainment has acquired Caesars Entertainment in a transaction valued at approximately $17.6 billion. The transaction brings together two major gaming, hospitality, entertainment, and restaurant platforms. Caesars brings a large casino and resort portfolio, a major digital gaming presence, and the Caesars Rewards loyalty program, while Fertitta Entertainment adds the Golden Nugget casino brand, Landry’s restaurants, hospitality assets, and entertainment venues.
The deal creates a larger and more diversified gaming and hospitality platform. Fertitta gains access to Caesars’ national casino footprint, digital gaming assets, loyalty ecosystem, and well-known brands, enabling cross-selling across casinos, restaurants, hotels, entertainment venues, and online gaming.
3. Long Lake to Acquire American Express Global Business Travel – $6.3 Billion
Long Lake Management plans to acquire American Express Global Business Travel for approximately $6.3 billion. Amex GBT is one of the world’s largest corporate travel platforms, serving enterprises with travel, expense, meetings, and events solutions.
The deal is backed by major investors and is expected to take Amex GBT private. Long Lake gains a scaled corporate travel platform with global customer relationships, enterprise-grade technology, and a trusted brand association. The acquisition creates an opportunity to apply AI to business travel workflows, including booking, disruption management, traveler support, expense integration, and customer service.
4. AMETEK to Acquire Indicor Instrumentation – $5 Billion
AMETEK announced an agreement to acquire Indicor Instrumentation for $5 billion. Indicor Instrumentation includes businesses that design and manufacture mission-critical solutions for industrial and scientific applications. The acquired businesses are expected to generate recurring revenue from consumables, services, and aftermarket support,
The deal strengthens AMETEK’s position in high-value industrial and scientific instrumentation markets. It adds complementary technologies, expands recurring revenue opportunities, and gives AMETEK a portfolio of mission-critical products serving attractive end markets.
5. Bullish to Acquire Equiniti – $4.2 Billion
Crypto exchange Bullish agreed to acquire Equiniti from Siris Capital in a $4.2 billion transaction. Equiniti is a global transfer agent and shareholder services provider, supporting public companies, investors, and capital markets infrastructure.
Bullish gains regulated infrastructure and issuer relationships needed to support tokenized securities. The acquisition positions Bullish to bridge traditional capital markets and digital assets by combining shareholder services, tokenization, compliance, liquidity, and blockchain settlement capabilities.
6. Autodesk to Acquire MaintainX – $3.6 Billion
Autodesk acquired MaintainX in an all-cash transaction valued at approximately $3.6 billion. MaintainX provides maintenance and operations software used by teams to manage work orders, inspections, preventive maintenance, and operational workflows. The acquisition supports Autodesk’s broader strategy to connect design, construction, manufacturing, and operations in one unified lifecycle platform.
MaintainX acquisition will help Autodesk expand beyond design and construction into operations and maintenance. The acquisition strengthens Autodesk’s ability to connect data across the full asset lifecycle — from design and build to operate and maintain.
7. Doosan to Acquire SK Siltron – Approximately $3.6 Billion
Doosan agreed to acquire SK Siltron, a major semiconductor wafer manufacturer, in a transaction valued at approximately $3.6 billion. SK Siltron is an important player in the semiconductor materials supply chain, producing wafers used in chip manufacturing. The transaction strengthens Doosan’s exposure to semiconductor materials at a time when chip demand continues to grow across AI, data centers, automotive, electronics, and industrial applications.
The acquisition expands Doosan’s semiconductor materials business and gives it a stronger position in the chip supply chain.
8. Hubbell Incorporated to Acquire NSI Industries – $3 Billion
Hubbell Incorporated has acquired NSI Industries that provides electrical fittings, connectors, components, and wire-management products serving industrial, infrastructure, and commercial markets for $3 billion. The acquisition is expected to strengthen Hubbell’s Electrical Solutions portfolio and deepen its presence in growth areas such as electrification, data centers, network infrastructure, and light industrial applications.
9. Parker Hannifin to Acquire CIRCOR Aerospace – $2.6 Billion
Parker Hannifin has acquired CIRCOR’s commercial and defense aerospace business for about $2.6 billion. CIRCOR Aerospace designs and manufactures flight-critical motion and flow-control products used in commercial and defense aerospace applications.
The acquisition strengthens Parker Hannifin’s aerospace and defense portfolio with high-margin, mission-critical technologies. It adds complementary products, expands Parker’s position on commercial and defense platforms, and supports long-term growth in aerospace systems.
Key M&A takeaway from May 2026
- AI and Infrastructure Demand Are Driving Mega-Deals
- Strategic Acquirers Are Buying Scale
- Industrial Technology Remains Active
- Capital Markets Infrastructure Is Evolving
- Healthcare Data and Experience Platforms Are Becoming More Valuable
Why Intellizence M&A?
M&A activity creates critical signals for sales, investment, risk, strategy, and competitive intelligence teams. However, tracking global mergers and acquisitions manually is difficult because deal announcements are spread across press releases, regulatory filings, news sources, investor updates, and company websites.
Intellizence M&A helps teams track and analyze merger, acquisition, divestment, and deal-status signals with structured, curated intelligence.
How Teams Use Intellizence M&A
Sales and Marketing Teams – Identify trigger events for outreach, such as newly acquired companies, divestitures, expansion opportunities, or vendor consolidation.
Private Equity and Investment Teams – Track strategic buyers, sponsor exits, sector consolidation, and deal flow across industries and geographies.
Corporate Strategy Teams – Monitor competitors, suppliers, customers, and adjacent markets for acquisition-led growth and consolidation trends.
Risk and Compliance Teams – Identify ownership changes, supplier concentration risks, customer exposure, and regulatory-sensitive transactions.
AI and Data Teams – Use structured M&A data through API or data feeds to power internal tools, market intelligence platforms, and automated workflows.
FAQ
- What were the biggest M&A deals in May 2026?
The largest M&A deal in May 2026 was NextEra Energy’s agreement to acquire Dominion Energy for approximately $67 billion. Other major deals included Fertitta Entertainment’s acquisition of Caesars Entertainment, Qualtrics’ acquisition of Press Ganey Forsta, and Long Lake’s acquisition of American Express Global Business Travel.
- Which industries saw major M&A activity in May 2026?
Major M&A activity was seen across utilities, gaming and hospitality, healthcare technology, corporate travel, industrial instrumentation, digital assets, construction software, semiconductors, electrical infrastructure, and aerospace.
- How can M&A data help sales and business development teams?
M&A data helps sales teams identify trigger events such as acquisitions, divestitures, ownership changes, integration needs, and post-deal transformation opportunities. These signals can be used for timely and relevant outreach.
- Does Intellizence track both public and private company M&A?
Yes. Intellizence tracks M&A activity involving public and private companies, including strategic acquisitions, private equity deals, divestments, cross-border transactions, and deal status updates.
- How is Intellizence M&A data delivered?
Intellizence M&A data can be accessed through the web app, API, structured datasets, CSV downloads, and alerts, depending on the customer’s plan and use case.
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