Key Highlights

  • Tetra Tech (NASDAQ:TTEK) shares jumped about 8% in after-hours trading on November 11, 2026, reversing a 7.48% fall in the regular session ahead of the results.
  • Backlog rose 13% from a year earlier to USD 4.67 billion, an increase of more than USD 530 million, giving visibility into fiscal 2027.
  • Fiscal 2026 Revenue reached USD 5.08 billion, with record Earnings of USD 1.69 per share and adjusted EBITDA of USD 660 million.
  • The company guided fiscal 2027 earnings to USD 1.65 to USD 1.80 per share and raised its quarterly Dividend 11% to USD 0.072.

Results That Reversed a Bad Session

Tetra Tech (NASDAQ:TTEK) went into its fiscal fourth-quarter report on the back foot. The shares fell 7.48% during the regular session on November 11, 2026, even as the broader market rallied, as investors positioned cautiously ahead of results. After the close, the engineering and consulting firm reported fourth-quarter revenue of USD 1.34 billion and net revenue, which excludes subcontractor costs, of USD 1.15 billion. Net revenue rose 5% excluding episodic disaster response work. Adjusted earnings rose 9% to USD 0.49 per share, slightly ahead of forecasts of about USD 0.47, while revenue was mixed against expectations. Adjusted EBITDA reached USD 194 million, and margins expanded by 90 basis points from a year earlier. The real driver of the after-hours rebound was the order book, which reached a record.

Backlog and the Fiscal 2027 Outlook

Backlog of USD 4.67 billion was up 13% year on year, an increase of more than USD 530 million, and management said it gives confidence in continued revenue growth and Margin expansion. Recent awards include a USD 1.4 billion multiple-award agreement for NASA enterprise logistics, a USD 145 million Navy engineering contract and a USD 141 million Environmental Protection Agency water infrastructure assessment. Chief executive Roger Argus pointed to rising Demand for water and environmental technical services from both commercial and government clients. For fiscal 2026, revenue was USD 5.08 billion, net revenue USD 4.35 billion and earnings a record USD 1.69 per share, with Operating Cash Flow up 14%. For fiscal 2027, the company expects earnings of USD 1.65 to USD 1.80 per share on net revenue of USD 4.425 billion to USD 4.625 billion. First-quarter earnings are guided at USD 0.36 to USD 0.38 per share.

Capital Returns and Risks

Tetra Tech also raised its quarterly dividend 11% to USD 0.072 per share, its 46th consecutive double-digit increase, payable on December 11 to holders of record on December 2. It repurchased USD 100 million of stock in the fourth quarter and has USD 798 million left under its programme. Those returns are backed by steady cash flow. The risks centre on government funding. The company has already absorbed the loss of work tied to foreign aid programmes, and any further federal budget disruption could delay contracts. Disaster response revenue is unpredictable from year to year. Investors will watch whether Backlog conversion lifts net revenue toward the top of the fiscal 2027 range, and whether commercial clients, especially in water and data centre related infrastructure, keep expanding. For Tetra Tech (NASDAQ:TTEK), the after-hours gain suggests the market sees the session's earlier drop as overdone.

Where Things Stand

Tetra Tech (NASDAQ:TTEK) rose about 8% after hours on November 11, 2026, recovering a 7.48% session loss, after reporting backlog of USD 4.67 billion, up 13%, and record fiscal 2026 earnings of USD 1.69 per share on USD 5.08 billion of revenue. The fiscal 2027 outlook calls for earnings of USD 1.65 to USD 1.80 per share. A dividend increase and Buybacks add support, while federal funding remains the key risk.