Freeline Therapeutics Holdings Plc Return on Net Investment (RONI) is NA for the Trailing 12 Months (TTM) ending September 30, 2023. Return on net investment measures the profitability of a company relative to its net investment, which includes total investments minus short-term investments and long-term debt. It is calculated by dividing the net income by the net investment. This ratio provides insights into the return generated for each unit of net investment made by the company. A higher return on net investment indicates better profitability and efficient utilization of the company's invested capital.