Exhibit 99.(j)

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in this Registration Statement on Form N-1A of Thornburg Investment Trust of our report dated November 17, 2025, relating to the financial statements and financial highlights of Thornburg American Opportunities Fund (formerly, Thornburg Small/Mid Cap Core Fund) and Thornburg Focus Growth Fund (formerly, Thornburg Small/Mid Cap Growth Fund), which appears in Thornburg Investment Trust’s Certified Shareholder Report on Form N-CSR for the year ended September 30, 2025. We also consent to the references to us under the headings "Independent Registered Public Accounting Firm" and “Financial Highlights” in such Registration Statement.

/s/ PricewaterhouseCoopers LLP

New York, New York

March 27, 2026