The US convertible bond market is experiencing unprecedented growth in 2026 as companies race to finance artificial intelligence infrastructure projects and refinance older debt obligations. Issuance volumes during the first four months of the year have already exceeded more than double last year’s pace, putting the market on track to break the record levels achieved in 2025.
The surge reflects growing corporate demand for funding to support large-scale investments in data centers, cloud computing capacity, power infrastructure and AI technologies. Unlike previous cycles where convertible debt often supported general corporate activities or acquisitions, the current wave is heavily tied to long-term capital expenditure requirements driven by artificial intelligence expansion.
Technology firms remain among the largest users of convertible debt, although utilities, semiconductor companies and healthcare technology businesses have also entered the market. The trend highlights the increasingly broad economic impact of AI-related investments as companies position themselves for an environment expected to require trillions of dollars in infrastructure spending over the next decade.
Key Overview
US convertible bond issuance reached $34 billion in the first four months of 2026, more than double last year’s pace, driven largely by AI infrastructure investment.
AI Spending Drives Record Growth in US Convertible Bond Market
The US convertible bond market is experiencing one of its strongest periods on record as artificial intelligence investment increasingly reshapes corporate financing decisions across industries.
According to research from Bank of America and Barclays, US convertible bond issuance reached approximately $34 billion during the first four months of 2026.
The volume represents more than double the amount issued during the same period last year and places the market on pace to surpass the previous annual record of more than $120 billion set in 2025.
The surge reflects changing funding priorities as businesses aggressively invest in technology infrastructure and long-term growth projects linked to artificial intelligence.
AI Infrastructure Has Become a Major Financing Driver
Analysts indicate that the current cycle differs significantly from previous convertible bond booms.
Historically, companies often issued convertible debt to support acquisitions, general expansion or balance sheet management.
The present trend, however, appears strongly linked to AI-related infrastructure spending.
Companies are increasingly directing proceeds toward projects involving data centers, cloud computing infrastructure, power systems and broader technology investments required to support artificial intelligence operations.
According to Michael Youngworth, Managing Director and Head of Global Convertibles at Bank of America Securities, the current environment represents an unusual development.
He noted that a substantial portion of issuance activity is now directly supporting capital expenditure associated with artificial intelligence initiatives.
The shift suggests that businesses increasingly view AI investments as critical long-term infrastructure rather than optional growth projects.
Technology Firms Lead Large Convertible Issuances
Technology companies have emerged as the largest users of convertible financing during the year.
Oracle raised approximately $5 billion through a convertible debt offering.
Cloud infrastructure firm CoreWeave issued approximately $4 billion.
Australia-based data center company IREN Limited secured approximately $2.6 billion.
These large transactions illustrate the enormous funding requirements associated with AI infrastructure expansion.
Building large-scale computing environments often requires significant investments in servers, processing hardware, energy systems and networking capacity.
As AI applications continue expanding, demand for infrastructure financing may remain elevated.
AI Spending Is Expanding Beyond Technology Companies
Although technology businesses dominate the market, the financing trend increasingly extends into additional sectors.
Utilities and semiconductor companies have also turned to convertible debt markets.
NextEra Energy raised approximately $2.3 billion through convertible securities.
Meanwhile, chip manufacturer On Semiconductor secured approximately $1.3 billion.
The participation of power companies reflects growing energy requirements associated with AI development.
Large AI systems and data centers consume substantial amounts of electricity, increasing demand for expanded power generation and supporting infrastructure.
As a result, AI spending increasingly affects industries extending far beyond software and technology firms alone.
Refinancing Activity Adds Additional Momentum
While artificial intelligence spending remains a major factor, refinancing needs are also contributing significantly to issuance activity.
Many companies are now approaching the maturity period for debt issued during the funding boom of 2020 and 2021.
Convertible securities often carry maturities of approximately five to six years, placing many pandemic-era issuances near repayment dates.
Companies therefore increasingly appear to be replacing older obligations with new financing.
Recent refinancing transactions include $1.5 billion raised by Duke Energy and approximately $900 million issued by Microchip Technology.
The refinancing wave adds further support to already strong issuance activity.
Healthcare Firms Also Enter the Market
The trend has expanded into healthcare technology companies as well.
Tempus AI recently raised approximately $400 million through a six-year convertible bond offering.
The financing structure attracted particular attention because the bonds carried zero coupon rates and no increase in principal value at maturity.
Instead, the bonds convert into company shares if the stock price reaches approximately $69.26, representing roughly 40% above the stock price level when the issuance occurred earlier in May.
Convertible bonds frequently appeal to companies because they can reduce borrowing costs relative to traditional debt.
Investors accept lower interest payments because they receive potential upside through future equity conversion opportunities.
WhiteFiber Reflects Investor Expectations for Growth
Additional examples further illustrate investor enthusiasm surrounding AI-related infrastructure.
In January, WhiteFiber raised approximately $230 million through a five-year convertible offering focused primarily on financing data center expansion.
The company became publicly listed in August 2025.
Financial metrics indicate that WhiteFiber currently carries a negative forward price-to-earnings ratio of approximately 36.
However, according to data from LSEG, the company’s valuation implies an enterprise value equivalent to approximately 19 times forward EBITDA, exceeding peer averages.
The higher valuation suggests investors anticipate strong future growth despite current profitability challenges.
WhiteFiber shares have already increased nearly 60% during 2026.
Higher Treasury Yields Increase Financing Pressure
The financing environment also reflects broader market conditions.
Benchmark 10-year US Treasury yields remain near sixteen-month highs, increasing borrowing costs across fixed-income markets.
Higher yields typically raise the cost of traditional debt financing.
Convertible securities therefore become increasingly attractive because they may provide companies with lower borrowing expenses compared with conventional bond structures.
As interest rates remain elevated, businesses may continue seeking alternative financing arrangements capable of reducing capital costs.
Goldman Sachs Sees Massive AI Spending Ahead
Current financing trends may only represent the beginning of broader investment activity.
Goldman Sachs projects cumulative AI-related capital expenditure reaching approximately $7.6 trillion between 2026 and 2031.
The estimate includes spending across semiconductors, data centers and power infrastructure.
According to the projections, annual spending could reach approximately $765 billion during 2026, increasing further to around $1.6 trillion annually by 2031.
The forecast highlights the scale of investment potentially required to support the continued expansion of artificial intelligence systems globally.
Looking Ahead
The sharp rise in convertible bond issuance demonstrates how artificial intelligence is increasingly reshaping corporate finance markets.
Businesses across multiple industries are raising capital not only to support immediate growth but also to prepare for substantial long-term infrastructure requirements.
Technology firms remain at the center of the trend, but utilities, healthcare businesses and semiconductor companies are also participating.
If projected AI spending materializes over the coming years, demand for financing could remain strong and potentially push convertible issuance beyond previous records.
Sources: Trading View, MSN, Reuters, BNN BloomBerg, Medium
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