What's Next for D-Wave Quantum, Inc. Shareholders After 9.51% Stock Drop? Glancy Prongay Wolke & Rotter LLP Explains Securities Fraud Class Action Lead Plaintiff Deadline

Complaint alleges D-Wave Quantum, Inc. misled investors between February 26, 2026 and August 25, 2026; investors may seek lead plaintiff role by December 15, 2026

LOS ANGELES, Nov. 2, 2026 /PRNewswire/ -- Glancy Prongay Wolke & Rotter LLP ("Glancy") announced today that the class action lawsuit covers investors who bought D-Wave Quantum, Inc. ("D-Wave" or the "Company") (NASDAQ: QBTS) securities between February 26, 2026 and August 25, 2026. The D-Wave Quantum, Inc. case, Fessler v. D-Wave Quantum, Inc. et al., was filed on October 15, 2026 in the U.S. District Court California Northern District (Case No. 3:26-cv-11953).

Investors who suffered losses on D-Wave Quantum, Inc. investments can submit their D-Wave Quantum, Inc. loss information here before the December 15, 2026 lead plaintiff deadline.

Key dates in the D-Wave Quantum, Inc. case

• Class period: February 26, 2026 to August 25, 2026
• Complaint filed: October 15, 2026
• Lead plaintiff deadline: December 15, 2026

What happened?

On August 6, 2026, D-Wave reported its second quarter of 2026 financial results. Among other things, D-Wave issues revenue of only $3.08 million, compared to $3.1 million for the same period in 2025.

On this news, D-Wave's stock price fell $1.98 per share, or 9.28%, to close at $19.41 per share on August 6, 2026, thereby injuring investors.

Then, on August 25, 2026, D-Wave issued a press release "announc[ing] that John Markovich is retiring and thus resigning from his position as Chief Financial Officer effective September 2, 2026."

On this news, D-Waves stock price fell $1.84 per share, or 9.51%, to close at $17.51 per share on August 26, 2026, thereby further injuring investors

What is the D-Wave Quantum, Inc. lawsuit about?

The D-Wave Quantum, Inc. securities lawsuit alleges that, between February 26, 2026 and August 25, 2026, defendants made materially false and/or misleading statements and failed to disclose material adverse facts about D-Wave Quantum, Inc.'s business, operations, and prospects. Specifically, the complaint alleges defendants failed to disclose that: (1) Defendants materially overstated D-Wave's business and financial prospects; (2) the foregoing was reasonably likely to negatively impact the Company's business and reputation; and (3) as a result, defendants' positive statements about D-Wave Quantum, Inc.'s business, operations, and prospects were materially misleading and/or lacked a reasonable basis.

"The complaint against D-Wave Quantum, Inc. alleges, among other things, that the Company failed to disclose that Defendants materially overstated D-Wave's business and financial prospects. For investors who purchased during the class period, the December 15, 2026 lead plaintiff deadline is the first significant deadline to keep in mind," said Charles H. Linehan, Partner at Glancy Prongay Wolke & Rotter LLP.

What's the next step?

Glancy Prongay Wolke & Rotter LLP is a leading national shareholder rights law firm, ready to assist D-Wave Quantum, Inc. investors in potentially pursuing claims to recover their losses.

If you wish to serve as lead plaintiff in the D-Wave Quantum, Inc. class action, you must move the Court no later than December 15, 2026. To learn more about your rights, visit the D-Wave Quantum, Inc. case page, email [email protected], or call 310-201-9150 (toll-free: 888-773-9224).

You may retain counsel of your choice. If you bought D-Wave Quantum, Inc. securities during the class period, you may take no action and remain an absent class member. No class has been certified yet in the D-Wave Quantum, Inc. case.

Frequently Asked Questions

Who is eligible? Investors who purchased or otherwise acquired D-Wave Quantum, Inc. securities between February 26, 2026 and August 25, 2026 and suffered losses may be members of the proposed class in the D-Wave Quantum, Inc. shareholder lawsuit. Any class member may ask the court to appoint them lead plaintiff by December 15, 2026.

What is a lead plaintiff? In the D-Wave Quantum, Inc. class action, the lead plaintiff is the investor, or group of investors, that the court appoints to represent all class members and oversee the case. Under the Private Securities Litigation Reform Act, courts generally presume the movant with the largest financial interest is the most adequate lead plaintiff.

Do I have to be lead plaintiff to recover? No. A D-Wave Quantum, Inc. investor's ability to share in any future recovery does not depend on serving as lead plaintiff. D-Wave Quantum, Inc. investors may take no action and remain absent class members.

What is the deadline? Motions to serve as lead plaintiff in the D-Wave Quantum, Inc. class action must be filed by December 15, 2026.

Does it cost anything to contact Glancy or participate in this action? Glancy represents D-Wave Quantum, Inc. investors on a contingency fee basis, so investors pay no attorneys' fees out of pocket. Any attorneys' fees and litigation expenses are paid only from a recovery, if one is obtained, and are subject to court approval.

Can I choose my own lawyer? Yes. D-Wave Quantum, Inc. investors may retain counsel of their choice.

Why work with Glancy on the D-Wave Quantum, Inc. lawsuit? Glancy Prongay Wolke & Rotter LLP is a premier law firm with decades of experience representing investors and consumers in securities litigation and other complex class action litigation. Contact Glancy about the D-Wave Quantum, Inc. lawsuit. Prior results do not guarantee a similar outcome.

About Glancy Prongay Wolke & Rotter LLP

Glancy was named one of Law360's Securities Groups of the Year and ranked second in total investor recoveries by ISS Securities Class Action Services in 2025.

Glancy's successes have been widely covered by leading news and industry publications, including The Wall Street Journal, The Financial Times, Bloomberg Businessweek, Reuters, the Associated Press, Barron's, Investor's Business Daily, Forbes, and Money.

Prior results do not guarantee a similar outcome.

Related links

• D-Wave Quantum, Inc. case page, Glancy Prongay Wolke & Rotter LLP
• Complaint: Fessler v. D-Wave Quantum, Inc. et al., U.S. District Court California Northern District
• D-Wave Press Release
• D-Wave Quantum, Inc. SEC filings index, EDGAR
• Glancy Prongay Wolke & Rotter LLP

Contact
Charles H. Linehan
Glancy Prongay Wolke & Rotter LLP
1925 Century Park East, Suite 2100
Los Angeles, CA 90067
Email: [email protected] 
Telephone: 310-201-9150 | Toll-free: 888-773-9224
www.glancylaw.com

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SOURCE Glancy Prongay Wolke & Rotter LLP