Shares of Snap Inc. (NYSE: SNAP) saw a significant decline of 6.6% on October 6, 2025, following the initiation of coverage by investment firm Mizuho with a Neutral rating and a $9 price target. Mizuho's report described Snap as a “show-me story,” highlighting weak feedback from the company's advertising channels as a concern.

This decline comes on the heels of a tumultuous period for Snap, exacerbated by a recent federal securities class action lawsuit. The lawsuit alleges that Snap and certain senior executives misled investors regarding the performance and future growth prospects of its digital advertising platform.

2. Impact of Ad Platform Execution Error

The situation for Snap worsened dramatically after the company revealed an ad platform “execution error,” which had a severe impact on its advertising revenue. Following the announcement, Snap's stock price plummeted by approximately 17% in a single day, following the release of its Q2 2025 results on August 5, 2025. During this announcement, Snap admitted that a change it implemented had resulted in campaigns clearing the auction at “substantially reduced prices,” leading to a significant slowdown in ad revenue growth—from 9% in Q1 to just 1% in April.

3. Details of the Class Action Lawsuit

The class action lawsuit filed against Snap is particularly concerning for the company, as it alleges that the execution error and its financial repercussions were concealed from investors. The lawsuit encompasses investors who purchased shares from April 29, 2025, to August 5, 2025, and is being led by Hagens Berman, a well-known shareholder rights firm.

Reed Kathrein, a partner at Hagens Berman, emphasized the critical nature of the allegations, stating, “The lawsuit alleges that a major internal failure—the ‘execution error’—was concealed from investors. We’re focused on determining whether management knew but failed to timely disclose this core operational problem.”

4. Hagens Berman's Call to Action for Investors

Hagens Berman is urging investors who have suffered significant losses as a result of the alleged misconduct to come forward. The firm is conducting an investigation to assess the impact of these claims and to hold Snap accountable for any potential wrongdoing.

The firm also encourages whistleblowers who may possess non-public information regarding Snap to consider their options in aiding the investigation or to take advantage of the SEC Whistleblower program, which could offer rewards for original information leading to successful recovery.

5. Conclusion

The combination of a downgraded analyst rating and the looming threat of a class action lawsuit places Snap Inc. under considerable scrutiny. Investors and market analysts alike will be closely monitoring the company's next steps as it navigates these challenges. The situation serves as a stark reminder of the volatile nature of the tech industry, particularly within the digital advertising space, where operational missteps can have profound financial consequences.

Original press release