Synopsys Q3 Earnings Results Reveal Major Foundry Customer Problems

Synopsys Inc. (SNPS) shares suffered their worst day ever after the company reported Q325 financial results revealing significant problems with a major foundry customer. The price of shares dropped 36% after the company revealed underperformance in its IP business due to "challenges at a major foundry customer." National shareholders' rights firm Hagens Berman is investigating whether Synopsys misled investors about customer risks and growth prospects.

On September 10, 2025, investors in Synopsys, Inc. (NASDAQ: SNPS) witnessed a significant drop in their shares, with the stock price falling by 36% to $216, marking the company's worst single-day performance since its public listing in 1992. The precipitous decline was triggered by the company's Q3 2025 financial results, which revealed substantial issues with a major foundry customer.

During the earnings call, Synopsys management disclosed that the company's underperformance in its IP business was largely due to "challenges at a major foundry customer" that had a significant impact on the year's overall performance. This revelation contradicted previous assurances from the company, which had downplayed risks associated with its high concentration with a single customer, Intel.

The news prompted national shareholders' rights firm Hagens Berman to open an investigation into whether Synopsys misled investors about its customer risks and growth prospects. Reed Kathrein, the Hagens Berman partner leading the investigation, stated, "We're investigating whether Synopsys may have misled investors about risks posed by its high concentration with a single customer."

Investors who suffered significant losses as a result of the stock's decline are encouraged to submit their losses to Hagens Berman. The firm also urges persons with non-public information regarding Synopsys to contact its attorneys. Whistleblowers who provide original information may be eligible for rewards totaling up to 30% of any successful recovery made by the SEC under the new whistleblower program.

Synopsys has consistently assured investors that the reduction in Intel's R&D spending would not significantly impact its EDA software business. However, the latest financial results and the subsequent stock market reaction suggest that the company may have underestimated the risks associated with its reliance on a single major customer.

As of September 12, 2025, Synopsys shares continue to trade at a significantly lower price than their pre-announcement levels, reflecting the market's concern over the company's ability to navigate the challenges posed by its major foundry customer.