greeksoup/ stock research

ON Semiconductor Corp.: Q3 FY2025 earnings call

What management said about Q3 FY2025, from the documents filed with the SEC on 3 November 2025: press release. Guidance figures: 8 raised, 2 lowered, 1 new, 2 kept. The quarter’s numbers.

Key takeaways

  • Revenue rose from second quarter: Revenue was $1,550.9 million, up 6% sequentially and down 12% from the third quarter of 2024. Source
  • Diluted EPS rose to $0.63: GAAP and non-GAAP diluted EPS were both $0.63, against $0.41 GAAP and $0.53 non-GAAP in the second quarter. Source
  • Core markets show stabilization: Management said it is seeing continued signs of stabilization across its core markets, with positive growth in AI. Source
  • Energy efficiency offering expanding: Management said it is expanding its offering across automotive, industrial and AI platforms to deliver system-level value. Source
  • Gross margin rose to 37.9%: GAAP gross margin was 37.9%, up from 37.6% in the second quarter and down from 45.4% a year earlier. Source
  • Free cash flow grew 22%: Free cash flow was $372.4 million, up 22% year over year and 24% of revenue. Nine-month free cash flow was $933.2 million. Source
  • Year-to-date buybacks near free cash flow: Management said year-to-date share repurchases totalled $925 million, about 100% of free cash flow. Source

“Our third quarter results exceeded expectations, underscoring the strength of our strategy and the resilience of our business model.”

Hassane El-Khoury, President and CEO, onsemi

Guidance

AreaPeriodFigureAgainst last quarter
Revenue Sourcefourth quarter 2025$1,480 to $1,580 millionRaised from $1,465 to $1,565 million (third-quarter range in [P])
GAAP gross margin Sourcefourth quarter 202536.9% to 38.9%Raised from 36.4% to 38.4%
Non-GAAP gross margin Sourcefourth quarter 202537.0% to 39.0%Raised from 36.5% to 38.5%
Special items in gross margin Sourcefourth quarter 20250.1%Kept
GAAP operating expenses Sourcefourth quarter 2025$296 to $311 millionRaised from $294 to $309 million
Special items in operating expenses Sourcefourth quarter 2025$14 millionKept
Non-GAAP operating expenses Sourcefourth quarter 2025$282 to $297 millionRaised from $280 to $295 million
Other income and expense, including interest, net Sourcefourth quarter 2025($7 million)Raised from ($8 million)
GAAP diluted EPS Sourcefourth quarter 2025$0.56 to $0.66Raised from $0.51 to $0.61
Special items in diluted EPS Sourcefourth quarter 2025$0.01Lowered from $0.03
Non-GAAP diluted EPS Sourcefourth quarter 2025$0.57 to $0.67Raised from $0.54 to $0.64
Diluted shares outstanding Sourcefourth quarter 2025405 millionLowered from 410 million
Normalized non-GAAP effective tax rate Sourcebeginning 202615%New

What changed from last quarter

  • Guidance raised: Fourth-quarter revenue range was raised from the third-quarter range given last quarter, at both ends. Source
  • Guidance raised: Fourth-quarter GAAP and non-GAAP diluted EPS ranges are higher than the third-quarter ranges given last quarter. Source
  • Guidance lowered: Expected diluted share count for the fourth quarter is 405 million, down from 410 million. Source
  • New: Normalized non-GAAP tax rate of 15% applies from 2026. Prior release used 16% through 2025. Source
  • Guidance kept: Special items in operating expenses are kept at $14 million for the fourth quarter. Source

Results and growth drivers

  • Revenue rose from second quarter: Revenue was $1,550.9 million, up 6% sequentially and down 12% from the third quarter of 2024. Source
  • Diluted EPS rose to $0.63: GAAP and non-GAAP diluted EPS were both $0.63, against $0.41 GAAP and $0.53 non-GAAP in the second quarter. Source
  • Net income attributable to shareholders: Net income attributable to ON Semiconductor Corporation was $255.0 million, against $170.3 million in the second quarter and $401.7 million a year earlier. Source

Segment revenue by business

  • PSG revenue rose 6% sequentially: PSG revenue was $737.6 million, up 6% sequentially and down 11% year over year. Source
  • AMG revenue rose 5% sequentially: AMG revenue was $583.3 million, up 5% sequentially and down 11% year over year. Source
  • ISG revenue rose 7% sequentially: ISG revenue was $230.0 million, up 7% sequentially and down 18% year over year. Source

“We’re seeing continued signs of stabilization across our core markets, as well as positive growth in AI,”

Hassane El-Khoury, President and CEO, onsemi

Demand, products and inventory

  • Core markets show stabilization: Management said it is seeing continued signs of stabilization across its core markets, with positive growth in AI. Source
  • Energy efficiency offering expanding: Management said it is expanding its offering across automotive, industrial and AI platforms to deliver system-level value. Source

Operating expenses and restructuring

  • GAAP operating expenses declined: GAAP operating expenses were $322.8 million, down from $358.5 million in the second quarter and $354.0 million a year earlier. Source
  • Non-GAAP operating expenses declined: Non-GAAP operating expenses were $291.2 million, against $297.7 million in the second quarter. Source
  • Restructuring charges fell: Restructuring, asset impairments and other, net was $19.6 million, against $49.2 million in the second quarter. Source
  • Research and development eased slightly: Research and development expense was $141.9 million, against $143.8 million in the second quarter. Source

“As energy efficiency becomes a defining requirement for next-generation automotive, industrial, and AI platforms, we are expanding our offering to deliver system-level value that enables our customers to achieve more with less power.”

Hassane El-Khoury, President and CEO, onsemi

Gross and operating margins

  • Gross margin rose to 37.9%: GAAP gross margin was 37.9%, up from 37.6% in the second quarter and down from 45.4% a year earlier. Source
  • Operating margin rose to 17.0%: GAAP operating margin was 17.0%, against 13.2% in the second quarter and 25.3% a year earlier. Non-GAAP was 19.2%. Source
  • Nine-month gross margin lower: Nine-month GAAP gross margin was 32.1%, against 45.5% a year earlier. Non-GAAP nine-month gross margin was 38.5%. Source

Cash flow and capital spending

  • Operating cash flow rose: Net cash from operations was $418.7 million, against $184.3 million in the second quarter and $465.8 million a year earlier. Source
  • Capital spending fell: Payments for property, plant and equipment were $46.3 million, against $78.2 million in the second quarter. Nine-month payments were $272.1 million. Source
  • Free cash flow grew 22%: Free cash flow was $372.4 million, up 22% year over year and 24% of revenue. Nine-month free cash flow was $933.2 million. Source

Balance sheet and shareholder returns

  • Cash balance declined modestly: Cash and cash equivalents were $2,472.5 million, down from $2,526.7 million at the end of the second quarter. Short-term investments were $400.0 million. Source
  • Long-term debt stable: Long-term debt was $3,353.1 million, against $3,350.7 million at the end of the second quarter. Source
  • Year-to-date buybacks near free cash flow: Management said year-to-date share repurchases totalled $925 million, about 100% of free cash flow. Source
  • Third-quarter buybacks increased: Cash paid for repurchases of common stock was $325.0 million in the third quarter, against $302.3 million in the second quarter. Source
  • Diluted share count lower: GAAP diluted shares outstanding were 408.0 million, against 414.9 million in the second quarter and 431.7 million a year earlier. Source

Figures management reported

FigureReported
Gross margin Source37.9% GAAP; 38.0% non-GAAP

Risks management discussed

  • Financial: Management said special items are outside its control and may change significantly between periods, which affects the non-GAAP reconciliation. Source
  • Financial: Management said diluted share count can vary with RSU vesting, convertible note dilution, and repurchases or issuances of stock. Source

Other quarters

Summarised with AI from the documents the company filed with the SEC. Every point is checked against the filing before it is shown: management’s own words word for word, figures against the line or table row they come from. A point that fails the check is left out. Source opens the filing at that line.