RADNOR, Pa.–(BUSINESS WIRE)–Kessler Topaz Meltzer & Check, LLP (www.ktmc.com), a nationally recognized securities litigation law firm, informs investors that a securities fraud class action lawsuit has been filed against D-Wave Quantum Inc. (D-Wave) (NASDAQ: QBTS) on behalf of those who purchased or acquired D-Wave securities between February 26, 2026 and August 25, 2026, inclusive. The lawsuit is filed in the United States District Court for the Northern District of California and is cap