Key Stats
- Revenue: $13.27 billion (2024)
- Market Cap: $20.3 billion (November 2025)
- Employees: 49,602 worldwide (2024)
- Founded: June 1987
- Headquarters: Plan-les-Ouates, Switzerland
STMicroelectronics stands as Europe’s largest semiconductor manufacturer by revenue. The company designs, develops, and manufactures a broad range of semiconductor products for automotive, industrial, consumer electronics, and telecommunications applications.
Formed through the merger of Italian SGS Microelettronica and French Thomson Semiconducteurs in 1987, STMicroelectronics operates manufacturing facilities across Europe, Asia, and Africa. The company trades publicly on the New York Stock Exchange, Euronext Paris, and Borsa Italiana.
STMicroelectronics serves over 200,000 customers worldwide with products including microcontrollers, sensors, power management solutions, and automotive integrated circuits. The company maintains a strong focus on automotive electrification and industrial automation markets.
STMicroelectronics History
Adriano Olivetti founded Società Generale Semiconduttori (SGS) in Italy, establishing one of Europe’s earliest semiconductor companies.
SGS Microelettronica formed through merger of ATES and Società Generale Semiconduttori, consolidating Italian semiconductor operations.
French government created Thomson Semiconducteurs through nationalization, combining multiple semiconductor operations including Mostek acquisition.
SGS and Thomson Semiconducteurs merged to form SGS-Thomson Microelectronics under CEO Pasquale Pistorio, ranking 14th among global semiconductor suppliers.
Acquired British company Inmos from Thorn EMI, adding transputer microprocessor technology and expanding European presence.
Completed initial public offering on Paris and New York stock exchanges, establishing global investor access.
Thomson SA sold its stake. Company renamed to STMicroelectronics and listed on Milan Stock Exchange.
Ranked fifth globally among semiconductor suppliers. Pasquale Pistorio retired as CEO, succeeded by Carlo Bozotti.
Acquired Genesis Microchip for $336 million. Created Numonyx joint venture with Intel for flash memory operations.
Jean-Marc Chery became CEO, succeeding Carlo Bozotti after 13 years of leadership.
Achieved record revenue of $17.29 billion. Partnered with Synopsys to design chips using AI on Microsoft cloud.
Announced $300 million cost-cutting program. Recognized as Global Top Employer across 41 countries.
STMicroelectronics Co-founders
STMicroelectronics formed through a corporate merger rather than traditional founding. The 1987 combination of SGS Microelettronica and Thomson Semiconducteurs created the company under key leadership figures.
Pasquale Pistorio
CEO and Architect of the Merger (1987-2005)
Led the merger between SGS and Thomson Semiconducteurs. Transformed the combined entity from $850 million in sales to $9 billion by 2005, making STMicroelectronics a top-five global semiconductor company.
Adriano Olivetti
Founder of SGS (1957)
Founded Società Generale Semiconduttori in 1957, establishing the Italian predecessor company that would later merge to form STMicroelectronics.
Thomson SA Leadership
French Government Entity (1982)
Created Thomson Semiconducteurs through nationalization in 1982, consolidating French semiconductor operations including Mostek, Eurotechnique, and EFCIS into the merger partner.
STMicroelectronics Revenue
STMicroelectronics generates revenue from four primary segments: Automotive and Discrete Group, Analog MEMS and Sensors, Microcontrollers, and Digital ICs. The automotive sector accounts for approximately 49% of total revenue.
Revenue peaked at $17.29 billion in 2023 before declining to $13.27 billion in 2024 due to semiconductor market cyclicality and inventory corrections across customer segments.
STMicroelectronics Competitors
STMicroelectronics competes with global semiconductor manufacturers in automotive, industrial, and consumer markets. Infineon Technologies leads the automotive semiconductor market with over $8 billion in sales, followed by NXP Semiconductors and STMicroelectronics.
Competition has intensified with Chinese suppliers backed by national policies expanding into power electronics and automotive applications.
| Company | Headquarters | Primary Focus | Revenue (2024) |
|---|---|---|---|
| Infineon Technologies | Germany | Automotive, Power | $16.3B |
| NXP Semiconductors | Netherlands | Automotive, IoT | $12.6B |
| Texas Instruments | USA | Analog, Embedded | $15.6B |
| Renesas Electronics | Japan | Automotive MCU | $12.3B |
| Analog Devices | USA | Analog, Mixed Signal | $9.4B |
| ON Semiconductor | USA | Power, Sensing | $7.1B |
| Microchip Technology | USA | MCU, Analog | $7.6B |
| Qualcomm | USA | Mobile, Wireless | $38.6B |
| Broadcom | USA | Networking, Storage | $51.6B |
| NVIDIA | USA | GPU, AI Computing | $60.9B |
STMicroelectronics Acquisitions
STMicroelectronics has pursued strategic acquisitions since formation to expand technology capabilities and market reach. The company targets complementary businesses that strengthen its product portfolio in key growth areas.
The 1989 acquisition of Inmos from Thorn EMI added transputer microprocessor technology and established manufacturing presence in Bristol, UK. This purchase brought valuable intellectual property in parallel processing architecture.
Nortel’s semiconductor division joined STMicroelectronics in 1994, expanding North American operations and telecommunications product capabilities. The deal strengthened the company’s position in networking and communications markets.
In 2000, WaferScale Integration Inc. became part of STMicroelectronics, adding EPROM and flash memory-based programmable system chips from Fremont, California. This acquisition enhanced memory product offerings.
Alcatel’s Microelectronics division merged with STMicroelectronics in 2002, along with UK company Synad Ltd. These additions expanded wireless LAN market presence and radio frequency expertise.
Genesis Microchip, acquired for $336 million in 2007, brought video processing technology and Faroudja brand recognition. The purchase strengthened STMicroelectronics position in digital television and display markets with design centers in Santa Clara, Toronto, and Taipei.
Nokia’s microchip development team joined in 2007, adding cellular ASIC capabilities and Finnish design operations. STMicroelectronics later formed joint ventures with Ericsson for mobile platforms, though ST-Ericsson dissolved in 2013.
STMicroelectronics Marketcap
STMicroelectronics trades on three major exchanges: NYSE, Euronext Paris, and Borsa Italiana. Market capitalization reached approximately $20.3 billion in November 2025, down from peak valuations during the 2021-2023 semiconductor boom.
The company’s market value fluctuates with semiconductor industry cycles, automotive demand, and broader economic conditions affecting technology stocks.
FAQs
Who founded STMicroelectronics?
STMicroelectronics formed in 1987 through the merger of Italian SGS Microelettronica and French Thomson Semiconducteurs. Pasquale Pistorio led the merger and served as CEO until 2005.
Where is STMicroelectronics headquartered?
STMicroelectronics is headquartered in Plan-les-Ouates, Switzerland near Geneva. The company maintains regional headquarters in Texas, Singapore, Tokyo, and Shanghai.
What products does STMicroelectronics make?
STMicroelectronics manufactures microcontrollers, sensors, power management ICs, automotive semiconductors, and analog devices. The STM32 microcontroller series is among its most recognized products.
Is STMicroelectronics a publicly traded company?
Yes, STMicroelectronics trades publicly on the NYSE under symbol STM, Euronext Paris, and Borsa Italiana. The company completed its IPO in December 1994.
How many employees does STMicroelectronics have?
STMicroelectronics employed 49,602 people worldwide as of December 2024. The workforce represents approximately 120 nationalities across offices in 40 countries.