BlackRock, Inc. Increases Stake in Unitil Corporation to 14.9%

On April 24, 2026, BlackRock, Inc. filed a Schedule 13G/A (Amendment No. 18) regarding its holdings in Unitil Corporation (UTL). As of the event date on March 31, 2026, BlackRock reported beneficial ownership of 2,686,435 shares of common stock, representing a 14.9% ownership stake in the company. This filing indicates an increase in holdings compared to previous reports where the ownership was effectively zeroed out or not previously reported in this specific series. Of the total shares, BlackRock holds sole voting power over 2,658,845 shares and sole dispositive power over all 2,686,435 shares. The filing specifies that the iShares Core S&P Small-Cap ETF maintains an interest in the common stock exceeding five percent of the total outstanding shares. The securities were acquired in the ordinary course of business and not for the purpose of influencing or changing the control of Unitil Corporation. BlackRock operates as a parent holding company for various subsidiaries listed in the filing exhibits.