BlackRock Portfolio Management LLC Acquires 5.2% Stake in Brandywine Realty Trust

On July 17, 2026, BlackRock Portfolio Management LLC filed a Schedule 13G with the SEC, disclosing a new ownership stake in Brandywine Realty Trust (BDN). As of the event date on June 30, 2026, the reporting person beneficially owns 9,003,402 shares of common stock, representing a 5.2% ownership interest in the company. The filing indicates that BlackRock Portfolio Management LLC holds sole dispositive power over all 9,003,402 shares and sole voting power over 8,485,025 shares. This position was acquired in the ordinary course of business and is not intended to influence or change the control of the issuer. The filing was made under Rule 13d-1(b) as a parent holding company. This disclosure reflects a significant increase from a previous ownership level of 0.0%, establishing BlackRock as a major institutional shareholder in the Philadelphia-based real estate investment trust.