United States securities and exchange commission logo April 13, 2023 Richard Giroux Chief Financial Officer MeiraGTx Holdings plc 450 East 29th Street, 14th Floor New York, NY 10016 Re: MeiraGTx Holdings plc Form 10-K for the fiscal year ended December 31, 2022 Filed March 14, 2023 File No. 001-38520 Dear Richard Giroux: We have limited our review of your filing to the financial statements and related disclosures and have the following comment. In our comment, we may ask you to provide us with information so we may better understand your disclosure. Please respond to this comment within ten business days by providing the requested information or advise us as soon as possible when you will respond. If you do not believe our comments applies to your facts and circumstances, please tell us why in your response. After reviewing your response to this comment, we may have additional comments. Form 10-K for the fiscal year ended December 31, 2022 Management's Discussion and Analysis of Financial Condition and Results of Operations Results of Operations Research and Development Expenses, page 119 1. Please revise your future filings to disclose the costs incurred during each period presented for each of your key research and development projects or key programs. If you do not track your research and development costs by project or program, please disclose that fact and explain why you do not maintain and evaluate research and development costs by project or program. For amounts that are not tracked by project or program, provide other quantitative or qualitative disclosure that provides more transparency as to the type of research and development expenses incurred (i.e. by nature or type of expense) which should reconcile to total research and development expense on the Statements of Operations. Richard Giroux MeiraGTx Holdings plc April 13, 2023 Page 2 In closing, we remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. You may contact Vanessa Robertson at 202-551-3649 or Kevin Vaughn at 202-551-3494 with any questions. FirstName LastNameRichard Giroux Sincerely, Comapany NameMeiraGTx Holdings plc Division of Corporation Finance April 13, 2023 Page 2 Office of Life Sciences FirstName LastName