WESCO International (WCC) Q3 2026 earnings summary

Executive summary

• Q3 net sales reached a record $7,226M, up 16.6% YoY; adjusted EBITDA and adjusted EPS also set records, while backlog rose ~80% across all three business units.

• Five consecutive quarters of double-digit sales growth, broad business-unit momentum and strong demand beyond data centers supported higher FY26 guidance.

Financial highlights

• Q3 organic sales grew 16.6%, with volume growth across segments and pricing contributing ~3%.

• Adjusted EBITDA rose 32.7% to $561.5M; adjusted EBITDA margin expanded ~100 bps to 7.8%, and gross margin was 21.7%, up ~40 bps.

• Adjusted diluted EPS increased 47.2% to $5.77; reported diluted EPS was $5.43.

• Q3 free cash flow was $184.2M; 9M free cash flow was $429.9M.

Outlook and guidance

• FY26 organic sales growth guidance rose to 13%-14%, reported growth to 14%-15%, and sales to $26.8B-$27.0B.

• FY26 adjusted EBITDA margin outlook increased to ~7.2% and adjusted EPS guidance to $18.00-$18.50; free cash flow guidance remains $300M-$600M.

• Q4 reported sales growth outlook is low-to-mid teens, with ~50 bps adjusted EBITDA margin expansion YoY; preliminary October sales per workday rose high teens YoY.

• FY26 segment outlook: CSS sales growth ~20%, EES low double digits, UBS mid-single digits and data center sales growth >40%.

• FY27 sales growth is expected in the mid- to high-single digits with continued margin expansion; detailed guidance is due with Q4 results.