On June 30, 2023, Saba Capital Master Fund Ltd announced that it has filed a complaint in the United States District Court's Southern District of New York against ClearBridge Energy Midstream Opportunity Fund Inc , among others, seeking to invalidate as unlawful under the Investment Company Act of 1940, provisions in the Company's governing documents purporting to opt-in to the Maryland Control Share Acquisition Act, which strips voting rights with respect to a shareholder's acquisition of shares constituting as little as 10% of the Issuer's voting power.