Upstart Holdings, Inc. Investigated by the Portnoy Law Firm

LOS ANGELES, March 23, 2026 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises Upstart Holdings, Inc. (“Upstart" or the "Company") (NASDAQ:UPST) investors that the firm has initiated an investigation into possible securities fraud, and may file a class action on behalf of investors.

Investors are encouraged to contact attorney Lesley F. Portnoy, by phone 310-692-8883 or email: lesley@portnoylaw.com, to discuss their legal rights, or join the case via http://portnoylaw.com/upstart-holdings-inc. The Portnoy Law Firm can provide a complimentary case evaluation and discuss investors’ options for pursuing claims to recover their losses.

On this news, Upstart’s stock price fell sharply, damaging investors.
Upstart’s stock price plummeted following the company's November 5, 2025, disclosure, thereby injuring investors. This sharp market contraction was triggered by a report detailing that the Company had missed its third-quarter financial expectations. The primary driver of the valuation collapse was an internal operational shift involving Upstart's proprietary technology.

The decline followed revelations that the Company’s "Model 22 underwriting system" had directly contributed to the disappointing quarterly performance. Management indicated that the implementation of this specific model resulted in "reduced borrower approvals and conversion rates," effectively tightening the Company's lending volume and revenue potential. This admission that the core underwriting engine was producing lower throughput led to an immediate loss of investor confidence and a rapid erosion of shareholder value as the market adjusted to the diminished growth trajectory.

The Portnoy Law Firm represents investors in pursuing claims caused by corporate wrongdoing. The Firm’s founding partner has recovered over $5.5 billion for aggrieved investors. Attorney advertising. Prior results do not guarantee similar outcomes.

Lesley F. Portnoy, Esq.
Admitted CA, NY and TX Bar
lesley@portnoylaw.com
310-692-8883
www.portnoylaw.com

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