Celestica reported Q1 2026 revenue of $4.05 billion and GAAP EPS of $1.83, with adjusted EPS of $2.16, both above guidance ranges. The company raised its full year 2026 outlook, but the press release does not specify the immediate stock price reaction, citing only after-hours movement.
About Celestica Inc.
Celestica Inc. (NYSE: CLS, TSX: CLS) is a technology manufacturer focused on data center infrastructure and advanced technology solutions for AI, cloud, and high growth industrial markets. The company is headquartered in Toronto, Canada and traces its roots back to 1994, when it was spun out of IBM’s manufacturing operations. Celestica operates a global network of design, engineering, manufacturing, and supply chain facilities that support hyperscaler, communications, aerospace and defense, industrial, HealthTech, and capital equipment customers.
Based on its recent trading history around the Q1 2026 release, Celestica’s market cap is in the mid-teens billions of dollars, reflecting rapid growth in AI related data center demand. The company does not highlight a dividend in the press release and is primarily positioned as a growth platform, supported by strong adjusted return on invested capital of 49.8% in Q1 2026. Celestica employed several thousand people globally as of its recent filings, leveraging this workforce to deliver complex hardware platform solutions at hyperscale.
Top Financial Highlights
- Q1 2026 revenue was $4.05 billion, up 53% from $2.65 billion in Q1 2025.
GAAP earnings from operations were $272.1 million, representing 6.7% of revenue, up from 4.9% a year earlier. - Adjusted operating earnings (EBIAT) were $325.2 million, with an adjusted operating margin of 8.0%, compared with 7.1% in Q1 2025.
- GAAP net earnings reached $212.3 million, up sharply from $86.2 million in Q1 2025.
- GAAP EPS was $1.83, compared with $0.74 in the prior year quarter.
- Adjusted EPS (non GAAP) was $2.16, exceeding the high end of guidance of $1.95 to $2.15, and up from $1.20 in Q1 2025.
- Connectivity & Cloud Solutions (CCS) segment revenue was $3.24 billion, up 76% year over year, with segment margin of 8.6% versus 8.0% in Q1 2025.
- Hardware Platform Solutions (HPS), a subset of CCS, generated approximately $1.7 billion in revenue, up 63% year over year, driven by AI and high speed networking programs.
- Advanced Technology Solutions (ATS) segment revenue was $0.81 billion, roughly flat year over year, with segment margin improving to 6.0% from 5.0%.
- GAAP gross profit was $437.2 million with a gross margin of 10.8%, up from 10.3% in Q1 2025; adjusted gross profit was $458.3 million with 11.3% margin.
- GAAP cash provided by operations was $356.3 million, with free cash flow (non GAAP) of $137.9 million after $218.4 million of net capital expenditures.
- Cash and cash equivalents at March 31, 2026 were $378.0 million, compared with $595.6 million at December 31, 2025, reflecting working capital expansion and investment.
- The company repurchased 0.1 million common shares for cancellation for $20 million during the quarter.
- For Q2 2026, Celestica guided revenue to $4.15 to $4.45 billion and adjusted EPS to $2.14 to $2.34, with adjusted operating margin expected at 8.0% at the midpoint.
- For full year 2026, Celestica raised its outlook to $19.0 billion of revenue, $10.15 in adjusted EPS, and 8.1% adjusted operating margin, while maintaining free cash flow outlook of $500 million.
Beat or Miss?
| Metric | Reported | Difference / Analysis |
| Revenue Q1 2026 | $4.047 billion | Within guidance range of $3.85 to $4.15 billion. |
| GAAP EPS Q1 2026 | $1.83 | No explicit EPS consensus provided, but above prior year and aligned with strength. |
| Adjusted EPS Q1 2026 | $2.16 | Exceeded high end of guidance range of $1.95 to $2.15. |
| Adjusted operating margin Q1 2026 | 8.00% | Above the 7.8% implied midpoint in guidance commentary. |
| Q2 2026 Revenue Guidance | $4.15 to $4.45 billion | Implies continued sequential growth versus Q1 actual revenue of $4.047 billion. |
| Q2 2026 Adjusted EPS Guidance | $2.14 to $2.34 | Suggests sustained elevated earnings power after Q1 upside. |
The company specifically notes that adjusted EPS was above the high end of its guidance range and that adjusted operating margin exceeded the implied midpoint, signaling a clear earnings beat versus internal expectations. External analyst consensus is not disclosed in the release, so broader market expectations remain referenced only at a high level.
What Leadership Is Saying?
“Celestica delivered a strong first quarter to begin 2026, achieving revenue of $4.05 billion and adjusted EPS (non GAAP) of $2.16. Our solid results included adjusted operating margin of 8.0%, a new milestone for the company.” – Rob Mionis, President and CEO
“We continue to see accelerating growth from our CCS customer base, alongside increasing profitability in both our CCS and ATS segments. Driven by this momentum, we are raising our 2026 annual outlook to $19.0 billion in revenue and $10.15 in adjusted EPS (non GAAP).” – Rob Mionis, President and CEO (reflecting management’s financial and margin confidence in the absence of a CFO quote in the release)
Historical Performance
Celestica YoY Q1 Performance
| Category | Q1 2026 | Q1 2025 | Change (%) |
| Revenue | $4,047.0 million | $2,648.6 million | ~53% increase |
| GAAP Net Earnings | $212.3 million | $86.2 million | ~146% increase |
| GAAP Earnings from Operations | $272.1 million | $128.8 million | ~111% increase |
| GAAP Gross Profit | $437.2 million | $273.9 million | ~60% increase |
| GAAP Gross Margin | 10.80% | 10.30% | +0.5 percentage points |
| Adjusted Operating Margin | 8.00% | 7.10% | +0.9 percentage points |
How the Market Reacted?
The Q1 2026 release emphasizes that adjusted EPS exceeded the high end of guidance and that full year 2026 revenue and EPS outlooks were raised meaningfully, indicating a clearly bullish tone from management. The company highlights accelerating growth in CCS and improving profitability in both CCS and ATS, along with strengthened visibility into 2027 demand, which typically supports a constructive investor response. However, the press release does not report specific intraday or after hours stock price moves, so the precise market reaction is not disclosed and must be inferred as positive based on the guidance raise and operational milestones.
