This 115-Year-Old Stock Is Driving Huge Returns in a Modern Way

Eaton Corporation plc (NYSE:ETN) began in 1911 as a small New Jersey machine shop producing truck axles, far removed from today's technology sector. Yet the 115-year-old industrial company generated record revenue of $27.4 billion in 2025 and became an unexpected winner of the artificial intelligence infrastructure boom.

For investors looking for hidden signs of financial stability, Eaton's performance offers a useful example. By late June 2026, its five-year total return, including reinvested dividends, was roughly 199%, nearly double the Nasdaq-100's approximately 110%. AI requires enormous power, and Eaton supplies the equipment needed to distribute, manage, and protect it across data centers.

What Eaton makes beyond its truck-axle origins

The modern version of Eaton describes itself as an "intelligent power management" company. Its largest business segments produce electrical components: circuit breakers, switchgear, uninterruptible power supplies, and power distribution units for data centers, utilities, and commercial buildings.

It also operates in aerospace, vehicle drivetrains, and eMobility for electric vehicles. The company employs roughly 97,000 people and serves customers in 180 countries, according to its latest annual filing.

Where the demand surge is coming from

AI models require enormous amounts of computing power, and computing power requires electricity, along with the infrastructure to distribute and manage it safely. In the first quarter of 2026, data center orders in Eaton's Electrical Americas segment surged roughly 240% year over year, with data center revenue climbing about 50%, according to the company's earnings presentation.

How large the data center pipeline has grown

Management estimated that about 32 gigawatts of U.S. data center capacity were under construction as of the first quarter, with roughly 70% tied to AI workloads, and pegged the total data center backlog at 228 gigawatts, roughly 12 years of demand at current build rates, according to the earnings call. For you as an investor evaluating your options, those numbers may help illustrate the scale of the opportunity some analysts see in this space.

The $9.5 billion Boyd Thermal acquisition

In November 2025, Eaton announced a $9.5 billion deal to acquire the Boyd Thermal business from Goldman Sachs Asset Management. The transaction closed in March 2026. Boyd Thermal had forecasted 2026 sales of $1.7 billion, with $1.5 billion of that coming from liquid cooling solutions for hyperscale and AI data centers, according to Eaton's announcement.

Why liquid cooling became a priority

As AI chips grow more powerful and racks run hotter, traditional air cooling often falls short. CEO Paulo Ruiz noted that combining Boyd's cooling technology with Eaton's power infrastructure would let the company serve data center customers with integrated solutions spanning from the chip to the electrical grid, according to the completion announcement. The move positions Eaton to compete across a broader slice of the data center supply chain.

Eaton's first quarter of 2026 by the numbers

Eaton's first quarter set records across several metrics. Here is a snapshot of the key figures:

• Record quarterly revenue of $7.5 billion, up 17% year over year, according to the company's earnings release.
• Adjusted earnings per share of $2.81, a first-quarter record, with organic sales growth of 10%.
• Total electrical backlog grew roughly 48% year over year, with electrical sector orders up about 47%.
• Free cash flow rose approximately 245% over the prior-year quarter.

What management guided for the rest of 2026

Following the results, management raised its full-year 2026 adjusted earnings per share guidance to a range of $13.05 to $13.50, with organic growth expectations lifted to a 10% midpoint. If those targets hold, it would mark another year of acceleration for a company many investors once overlooked.

Where Eaton's growth thesis could stumble

The stock's price-to-earnings ratio sat near 39 as of mid-May 2026, roughly 60% above its 10-year average of about 24, according to FullRatio.

A valuation that stretched could leave little room for error if data center spending slows or if AI infrastructure buildout hits delays. Notably, shares dipped about 3% on the day Eaton reported its record first quarter, as investors zeroed in on near-term margin compression tied to recent acquisitions, Alphastreet reported.

Segments that have lagged behind

Eaton's mobility division declined 6% organically in the first quarter of 2026, according to the earnings call transcript. The vehicle segment has been soft for several quarters. If you are considering adding industrial names to your portfolio, weighing those risks alongside the growth story could help you make a more informed decision.

Bottom line

Eaton's trajectory offers investors a broader lesson: the companies benefiting from an AI-driven economy and being able to get ahead financially are not always building the algorithms. Revenue rose from $24.9 billion in 2024 to $27.4 billion in 2025 as data center construction accelerated, while its expansion into liquid cooling could strengthen that connection.

Eaton also plans to spin off its Mobility business by the first quarter of 2027, potentially sharpening its focus on faster-growing electrical and aerospace markets. The bottom line for investors is that Eaton's valuation may depend on whether data center demand matches the scale suggested by its growing backlog.

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