Rosen Law Firm said on Sept. 22, 2026, that it is investigating potential civil securities claims on behalf of investors in BlackRock, Inc. mutual funds. The investigation concerns allegations that BlackRock may have issued materially misleading business information to the investing public. The firm is preparing a prospective class action seeking recovery of investor losses and said investors may be entitled to compensation without paying out-of-pocket fees or costs under a contingency-fee arrangement. Investors can join through the firm's website or contact Phillip Kim, Esq. by phone or email. Rosen Law Firm said it focuses on securities class actions and shareholder derivative litigation, and disclosed prior rankings, recoveries and recognition. The release also states that prior results do not guarantee a similar outcome.