Artificial intelligence (AI) has entered a super-cycle that is reshaping the global economy and one of its most profound effects is the expansion of infrastructure companies—from data center operators to power utilities and industrial equipment manufacturers. 

As these companies experience surging demand for the physical backbone that AI requires, the spotlight has turned sharply toward infrastructure companies and, by extension, exchange-traded funds (ETFs) that hold them. 

For investors seeking exposure to this secular trend without the concentration risk of individual stocks, infrastructure ETFs offer a compelling entry point at what may be a pivotal moment.

But before we explore those funds, the connection between AI’s explosive growth and the infrastructure companies that enable it deserves closer examination, as does the rationale behind why ETFs would be the best strategy to gain access to the sector’s roaring growth trends.

AI Super-Cycle Boosts Investment in Infrastructure Companies

The AI boom is not merely a software phenomenon; it is fundamentally a hardware and infrastructure story. Every large language model, every inference query and every agentic AI application requires immense computing power, which, in turn, demands physical assets like data centers, fiber optic networks, communication towers, and—most critically—electricity.

The data illustrates the scale of this transformation. Private infrastructure fundraising reached a record $250.70 billion globally in 2025, more than 150% above the prior year’s $98.80 billion (according to With Intelligence data). Private equity investment in data centers alone hit $45.70 billion in 2025, the highest total in at least five years.

Consequently, a typical global infrastructure fund’s exposure to digital infrastructure—including data centers, fiber, and towers—has surged from just 5% a decade ago to 25-30% today (as cited in an S&P Global report). 

Capital is flowing into companies that form the backbone of AI infrastructure. For instance, let us consider Quanta Services (PWR Quick QuotePWR - Free Report) , a specialty contractor that builds and maintains electric power and communication infrastructure. The company’s stock has rallied 60.3% year to date and delivered 41% revenue growth in the second quarter of 2026, backed by the booming demand for AI data centers and the broader technology load center and electric grid infrastructure buildout. 

Meanwhile, Caterpillar (CAT Quick QuoteCAT - Free Report) , which supplies on-site power generation and cooling equipment for data-intensive facilities, witnessed a nearly 48% surge year-to-date. The company’s second-quarter top line jumped 24% year over year, benefiting from a buildout of AI data centers that has spurred demand for its power-generation and construction equipment.

Eaton (ETN Quick QuoteETN - Free Report) , which provides essential switchgear, circuit breakers, transformers, and power distribution equipment for data centers and the grid, has soared 37% year to date. The company witnessed revenue growth of 21% year over year, largely driven by booming demand from AI data center builds and electrical infrastructure.

The financial performance of these companies reflects genuine demand, not speculation. 

Why ETFs Are the Optimal Vehicle for This Investment Theme

Infrastructure companies benefiting from AI's super-cycle span multiple sectors—industrials, utilities, materials, energy, and technology. With Bank of America analysts projecting the AI data center systems addressable market to reach $1.7 trillion by 2030, at a 45% CAGR (as cited in Investing.com), the opportunity is vast but scattered across disparate industries.

Infrastructure ETFs solve this problem by providing diversified exposure to the entire ecosystem in a single trade. They hold a handful of stocks, ensuring that investors capture the broad trend regardless of which specific companies outperform. The diversification also mitigates the risk of any single company’s execution missteps or valuation excesses—a real consideration given that some AI-linked names have already posted triple-digit gains.

The timing for ETF investment appears favorable. Notably, iShares Global Infrastructure ETF (IGF Quick QuoteIGF - Free Report) attracted $1.485 billion in fund-level flows over the year ending August 2026. This influx boosted the fund's total assets under management to approximately $10.1 billion. 
These flows signal growing institutional and retail recognition of infrastructure as a distinct, compelling investment choice.

Infrastructure ETFs to Buy

Considering the aforementioned discussion, investors interested in gaining exposure to the AI-driven infrastructure super-cycle may add the following infrastructure ETFs to their portfolios:

Global X U.S. Infrastructure Development ETF (PAVE Quick QuotePAVE - Free Report)

This fund, with net assets worth $13.76 billion, offers exposure to 100 companies that stand to benefit from a potential increase in infrastructure activity in the United States, including those involved in the production of raw materials, heavy equipment, engineering, and construction. Deere holds the top spot in this fund, with 3.61% weightage, while ETN holds the fourth spot with 3.36% weightage. PWR holds the fifth position in this fund, with 3.31% weightage. 

PAVE has soared 12.7% year to date and carries a Zacks ETF Rank #2 (Buy). The fund charges 47 basis points (bps) as fees. It traded at a good volume of 1.36 million shares in the last trading session. 

First Trust NASDAQ Clean Edge Smart Grid Infrastructure ETF (GRID Quick QuoteGRID - Free Report)

This fund, with net assets worth $12.15 billion, offers exposure to 123 companies that are primarily engaged in electric grid, electric meters and devices, networks, energy storage and management, and enabling software used by the smart grid infrastructure sector. PWR holds the top spot in this fund, with 8.68% weightage, while ETN holds the third spot with 8.45% weightage. 

GRID has surged 19.5% year to date and carries a Zacks ETF Rank #2. The fund charges 56 bps in fees and traded at a good volume of 1.05 million shares in the last trading session. 

iShares U.S. Infrastructure ETF (IFRA Quick QuoteIFRA - Free Report)

This fund, with net assets worth $3.96 billion, comprises 161 U.S. companies with infrastructure exposure by balancing across both infrastructure enablers and infrastructure asset owners. CAT holds the top spot in this fund, with a 4.36% weightage, while PWR holds the second spot with 4.06% weightage.

IFRA has rallied 6.8% year to date and carries a Zacks ETF Rank #2. The fund charges 30 bps as fees and traded at a volume of 0.25 million shares in the last trading session.