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Wolfspeed, Inc. is an American developer and producer of wide-bandgap semiconductors, centered on silicon carbide and gallium nitride supplies and units for energy and radio frequency purposes corresponding to transportation, energy provides, power inverters, and wireless systems. Cree Analysis was based in July 1987 in Durham, North Carolina. 5 of the six founders - Neal Hunter, Thomas Coleman, John Edmond, Eric Hunter, John Palmour, and Calvin Carter - are graduates of North Carolina State University. In 1983, the founders - one a research assistant professor and the others scholar researchers - had been looking for methods to leverage the properties of silicon carbide to allow semiconductors to function at increased working temperatures and energy ranges. They also knew silicon carbide could serve as the diode in gentle-emitting diode (LED) lighting, a light source first demonstrated in 1907 with an electrically charged diode of silicon carbide. The research crew devised a method to grow silicon crystals in the laboratory, and in 1987 based the company to supply silicon carbide for use commercially in both semiconductors and lighting.

In 1989, the company introduced the first blue LED, enabling the event of large, full-coloration video screens and billboards. In 1991, the company released the first commercial silicon carbide wafer. In 1993, the corporate became a public company through an initial public providing. In 2011, the corporate acquired Ruud EcoLight home lighting for $525 million. In August 2011, the corporate announced the XLamp XT-E Royal Blue LED to be used in remote phosphor lighting. In 2013, the corporate's first shopper merchandise, two family LED bulbs, qualified for Power Star ranking by the United States Environmental Safety Company. In July 2016, Infineon Technologies agreed to accumulate the corporate's Wolfspeed RF and energy electronics units unit for $850 million. Nonetheless, the deal was terminated in February 2017 due to regulators’ nationwide security issues. In March 2018, the corporate acquired the RF Energy Enterprise Infineon Technologies AG's for €345 million. In Might 2019, the company sold its Lighting Products division (now branded as Cree Lighting) to Ideal Industries.

In September 2019, the corporate introduced a $1 billion funding in a semiconductor manufacturing plant in Marcy, New York to construct the world’s largest silicon carbide fabrication facility with a $500 million grant from New York State. In March 2021, the corporate sold its LED Business to Smart Global Holdings for EcoLight as much as $300 million. In October 2021, the corporate changed its identify to Wolfspeed. In April 2022, the Marcy, New York, facility opened. In November 2022, the company announced that co-founder and Chief Expertise Officer John Palmour had died. In February 2023 it announced it will build its first European manufacturing facility in Germany. It is presupposed to be on the location of a former coal plant in Ensdorf, Saarland with ZF Friedrichshafen as a coinvestor and subsidized by the EU as an important challenge of frequent European interest (IPCEI) for Microelectronics and Communication Technologies. In August 2023, it was introduced the Lowell-headquartered semiconductor company, MACOM had entered into a definitive settlement to amass Wolfspeed's RF enterprise.

In June 2024, Wolfspeed has delayed its $3 billion semiconductor plant in Germany to mid-2025, reflecting the EU's challenges in boosting local chip production. Wolfspeed announced the challenge's indefinite hold in October 2024, citing low demand. In consequence, ZF ceased to take part in the undertaking. In October 2024, the Biden Administration announced that it would supply Wolfspeed with up to $750 million in direct funding to support the corporate's new silicon carbide manufacturing unit in North Carolina that makes the wafers used in superior pc chips and its factory in Marcy, New York. On Could 20, 2025, it was reported that Wolfspeed was preparing to file for Chapter eleven bankruptcy inside the coming weeks after warning that it may be unable to continue future operations after lower than anticipated annual gross sales have been reported. Wolfspeed's stock slid to barely over a dollar per share that day. On June 18, 2025, Wolfspeed introduced that they might promote itself to Apollo Global Management in a deal that may put the corporate right into a prepackaged Chapter eleven bankruptcy filing, which would enable for the elimination of nearly all of its multi-billion greenback debt.

Wolfspeed entered into a restructuring assist settlement with its lenders and Renesas Electronics, and introduced that they would file for prepackaged Chapter eleven bankruptcy by July 1, as part of a plan to eradicate $4.6 billion of debt, EcoLight stating they only had about $1.1 billion left in money. The company may also receive $275 million in financing backed by its lenders, with plans to finish restructuring by Q3 2025. After the announcement, Wolfspeed's inventory fell 30%, sliding under $1 per share. On June 26, 2025, Wolfspeed began laying off staff from their manufacturing facility located in Racine, Wisconsin. On June 30, 2025, Wolfspeed filed for Chapter eleven bankruptcy safety. On October 13, 2022, a services electrician was electrocuted at the Wolfspeed Research Triangle Park in Durham, North Carolina. The incident sparked a state investigation into his loss of life in addition to public concern for the company's poor work safety document. State Department of Labor investigations into the company have uncovered 17 office safety violations between 2012 and 2023, together with six serious violations.