8-K: ACI Worldwide Reports Strong Q1 2026, Raises Full-Year Guidance

ACI Worldwide announced robust first-quarter 2026 financial results, exceeding expectations and leading to an upward revision of its full-year guidance.

Summary

• ACI Worldwide reported strong financial results for the first quarter ended March 31, 2026.
• Total revenue reached $426 million, an 8% increase year-over-year (6% in constant currency).
• GAAP net income was $38 million, and adjusted EBITDA was $105 million, up 12% year-over-year (8% in constant currency).
• GAAP diluted Earnings Per Share (EPS) was $0.37, and adjusted diluted EPS was $0.61, a 20% increase year-over-year (15% in constant currency).
• The company repurchased 1.5 million shares for $65 million during the quarter.
• ACI Worldwide is raising its full-year 2026 guidance for both revenue and adjusted EBITDA.

Sentiment

Score: 8

Explanation: StockSavvy.ai views this as a strong positive report, with significant revenue and profit growth, accelerated bookings, and an upward revision of future guidance, indicating robust business momentum.

Positives

• Revenue increased by 8% to $426 million in Q1 2026.
• Adjusted EBITDA grew by 12% to $105 million in Q1 2026.
• Adjusted diluted EPS increased by 20% to $0.61 in Q1 2026.
• New Annual Recurring Revenue (ARR) bookings surged by 39% to $12.4 million.
• Real Time Payments and Merchant segments each grew over 20%.
• Biller segment delivered 10% growth.
• Net adjusted EBITDA margin improved to 38% from 36% in the prior year.
• Full-year 2026 guidance for revenue and adjusted EBITDA has been raised.

Negatives

• GAAP net income decreased to $38 million in Q1 2026 from $59 million in Q1 2025, primarily due to a $22 million after-tax gain on the sale of a minority interest in Mindgate in the prior year.
• Operating cash flows decreased to $64 million in Q1 2026 from $78 million in Q1 2025, attributed to a higher concentration of contract signings late in the quarter.
• Payment Software revenue, excluding SaaS and maintenance, saw decreases in Payments Intelligence (-3%) and Issuing and Acquiring (-6%) on a constant currency basis.
• Cash and cash equivalents decreased to $161.8 million from $196.5 million at the end of the previous quarter.

Risks

• Increased competition in the payments technology sector.
• Potential for business interruptions, cybersecurity incidents, or system failures.
• Reliance on third-party cloud infrastructure and services.
• Ability to attract and retain senior management and skilled technical employees.
• Risks associated with future acquisitions, strategic partnerships, and divestitures.
• Challenges in implementing and achieving success with new strategies.
• Exposure to credit or operating risks from certain payment funding methods.
• Fluctuations in currency exchange rates impacting international operations.

Future Outlook

ACI Worldwide is raising its full-year 2026 guidance, now expecting revenue between $1.89 billion and $1.92 billion, and adjusted EBITDA between $540 million and $555 million. For the second quarter of 2026, the company anticipates revenue of $420 million to $440 million and adjusted EBITDA of $85 million to $95 million.

Management Comments

• "Payments modernization continues to accelerate, and ACI is at the center of it."
• "In the quarter, Real Time Payments and Merchant each grew more than 20%, Biller delivered 10% growth on top of last years doubledigit performance, and new ARR bookings grew 39% across the company."
• "The decision last year to operate our Payment Software and Biller businesses as two distinct segments has sharpened our focus, accelerated organic growth, and consistently enabled us to outperform expectations."
• "We are committed to our capital allocation framework, investing in organic growth, pursuing strategic M&A, and returning capital to shareholders."
• "We entered 2026 with momentum, executed ahead of expectations in the first quarter, and are raising our fullyear outlook."

Industry Context

StockSavvy.ai notes that ACI Worldwide's strong performance aligns with the broader industry trend of accelerated payments modernization, particularly in real-time payments and merchant services, indicating a healthy demand for advanced payment orchestration solutions.

Comparison to Industry Standards

• ACI Worldwide's revenue growth of 8% in Q1 2026 is robust compared to the typical mid-single-digit growth seen in many established software companies.
• The 39% increase in new ARR bookings suggests a strong competitive position and effective sales execution, outperforming many peers in securing new recurring revenue streams.
• The improvement in Net Adjusted EBITDA margin to 38% indicates efficient operations and scalability, a positive sign when compared to industry benchmarks for payment technology providers.

Stakeholder Impact

• Shareholders: Positive impact from increased revenue, profit, and raised guidance, alongside continued share repurchases.
• Employees: Potential for continued investment in growth and talent retention, driven by strong company performance.
• Customers: Benefit from ongoing modernization of payment infrastructures and enhanced payment experiences.
• Creditors: Improved financial metrics and leverage ratio (1.3x net debt/EBITDA) suggest a stable credit profile.

Next Steps

• Continue to invest in organic growth.
• Pursue strategic Mergers and Acquisitions (M&A).
• Return capital to shareholders through share repurchases.
• Monitor market conditions for share repurchase allocation.
• Execute on the ACI Connetic platform strategy.

Key Dates

Recommendation

The company demonstrated strong Q1 performance with significant year-over-year growth in revenue, adjusted EBITDA, and EPS. The substantial increase in new ARR bookings and the raising of full-year guidance indicate robust business momentum and positive future prospects. Continued share repurchases further enhance shareholder value, making this a compelling investment opportunity.

Keywords

ACI Worldwide, Payments Technology, Financial Results, Q1 2026, Adjusted EBITDA, Revenue Growth, Guidance Update, Real Time Payments