Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Green Thumb Industries Inc. (the “Company”) on Form 10-Q for the three and six months ended June 30, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Benjamin Kovler, Chief Executive Officer, certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my knowledge, the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/Benjamin Kovler

By: Benjamin Kovler

Title: Chief Executive Officer

Date: August 6, 2024