Amdocs Limited NASDAQ: DOX

What we're investigating

Henzel Law is investigating potential securities fraud claims on behalf of shareholders of Amdocs Limited (NASDAQ: DOX), a supplier of software and services to telecommunications companies. The investigation concerns whether the Company and certain of its officers made materially misleading statements about, or failed to disclose deterioration in, its relationship with T-Mobile — by outside estimates roughly a fifth of its revenue. No lawsuit has been filed yet in this matter.

Background

On February 3, 2026, Amdocs announced that T-Mobile had entered into a strategic multi-year agreement covering managed services, software development and AI work. No contract value or term was disclosed.

On August 5, 2026, on the fiscal third-quarter earnings call, Amdocs' president and chief executive told investors: “At T-Mobile, we've made significant progress with the large USCellular integration project” and “we are on schedule to complete it.” T-Mobile was not otherwise discussed on that call, and no analyst asked about it.

What happened on November 3 and 4, 2026

After the market closed on November 3, 2026, Amdocs disclosed that it and T-Mobile had each issued notices to the other asserting material breach of one or more of the agreements under which Amdocs provides software and services. Both sides' notices threatened termination and the pursuit of monetary and other relief, including in arbitration.

The Company's fiscal 2027 guidance assumed termination of the T-Mobile agreements by either party: revenue down 14.3% to 17.9% as reported, and non-GAAP diluted earnings per share down 26% to 30%. Twelve-month backlog fell to $3.50 billion, down approximately 9.6% year over year on a pro forma basis, which management attributed primarily to T-Mobile.

On the call, management said the dispute had “escalated into a legal dispute during the last quarter,” that it concerned the contract signed earlier in 2026, and that the Company had already “seen revenue decline due to T-Mobile's reduced discretionary spending.” Management declined to quantify the exposure.

On November 4, 2026, Amdocs shares fell from $62.43 to $43.66, a decline of approximately 30.07%.

What the investigation is examining

The pivotal question is timing. Management said the dispute escalated during its fiscal fourth quarter, which ran from July 1 to September 30, 2026 — a window that contains the August 5 statement that the T-Mobile work was “on schedule.” Whether the breach notices were exchanged before or after August 5 is not public, and it is the fact on which a claim would largely turn.

There is also a question of scope. The August statement described the USCellular integration project, while the dispute concerns the agreement signed in February 2026. That distinction may support an argument that the August statement was accurate as far as it went, which in turn points the inquiry toward what was omitted rather than what was said — in particular, whether the reduced customer spending management later described as already underway should have been disclosed.

No Amdocs disclosure before November 3, 2026 identified any dispute, breach notice or spending reduction at T-Mobile.