What Just Happened To Entegris Stock?
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Entegris (ENTG) stock rose 11.3% on Wednesday, November 11, 2026, while the S&P 500 gained 1.3%. The rise came on a day when all 19 other companies in its sub-industry with a market value of $2 billion or more also rose. What had Entegris told investors in the days before?
Entegris Held A Capital Markets Day On November 9
At that event, Entegris set out its long-term growth strategy and financial model. The company said AI is driving a new era of semiconductor innovation and accelerating technology transitions. Entegris shares rose 9.4% that day, then slipped 1.1% on November 10.
The presentation followed a strong quarter. For its fiscal third quarter ended September 26, 2026, Entegris reported revenue of $1.01 billion, up 24.6% from a year earlier. On the October 29 call, management said demand remained strong across advanced logic, advanced memory and throughout the semiconductor ecosystem.
Did Entegris Rise On Its Own?
No. Entegris advanced alongside its sub-industry, semiconductor materials and equipment, though its gain was nearly double the 5.9% median return for the group. Thirteen of those 19 companies climbed 5% or more. On its peer list, Intel rose 7.5% and Applied Materials rose 6.1%.
The wider market also gained ground. U.S. stocks climbed after an earnings update from CoreWeave eased concerns that artificial-intelligence profits would not arrive soon enough to cover infrastructure debt. The technology sector fund XLK gained 3.2%. On the October 29 call, management said demand for Entegris’s products was supported by continued investment in AI infrastructure.
Where Does Entegris Stock Stand Now?
A daily gain of this magnitude is uncommon for Entegris: the stock recorded three rises at least this big in the prior 365 days. The most recent move of this size went the opposite direction, a 12.7% fall on November 5.
Over the past twelve months, the stock returned 80.0%, against 12.8% for the S&P 500. Its $154.22 close on November 11 sat below its highest close of the past year, $184.00 on June 22, 2026. Its lowest close of the past year was $68.80 on November 20, 2025. Over the month to November 11, the shares lost 4.2%, this rise included.
Entegris trades at 6.7 times its sales over the past twelve months, against 3.2 times for the S&P 500.
Entegris is expected to report its fiscal fourth-quarter 2026 results in February 2027. Revenue for that quarter, which management guided to $1.025 billion to $1.055 billion, is the figure to watch.
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