Holzer & Holzer Announces Deadlines for Lead Plaintiff in Shareholder Lawsuits

Firm reminds investors of April 6, 2026 deadlines to seek lead plaintiff status in class actions against BlackRock TCP, Mereo BioPharma, POMDOCTOR, and Ultragenyx

Mar. 14, 2026 at 1:18pm

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Holzer & Holzer, LLC, a securities litigation law firm, is reminding investors of the April 6, 2026 deadlines to seek lead plaintiff status in shareholder class action lawsuits against BlackRock TCP Capital Corp., Mereo BioPharma Group plc, POMDOCTOR LIMITED, and Ultragenyx Pharmaceutical Inc. The lawsuits allege the companies made materially false and/or misleading statements and/or failed to disclose material facts during the specified time periods, resulting in significant investor losses.

Why it matters

These class action lawsuits represent an opportunity for investors who suffered losses to potentially recover damages if the plaintiffs are successful. The deadlines to seek lead plaintiff status are fast approaching, so affected investors are encouraged to contact the law firm to discuss their legal rights.

The details

The shareholder class action lawsuit against BlackRock TCP Capital Corp. alleges the company's investments were not being timely and/or appropriately valued between November 6, 2024 and January 23, 2026. The lawsuit against Mereo BioPharma Group plc alleges the company made false and/or misleading statements regarding setrusumab's ability to achieve statistical significance in clinical studies between June 5, 2023 and December 26, 2025. The lawsuit against POMDOCTOR LIMITED alleges a fraudulent stock promotion scheme involving social media misinformation and impersonated financial professionals between October 9, 2025 and December 11, 2025. The lawsuit against Ultragenyx Pharmaceutical Inc. alleges the company made false and/or misleading statements regarding the expected results of its Phase III Orbit and Cosmic Studies between August 3, 2023 and December 26, 2025.

  • The deadline to ask the court to be appointed lead plaintiff in the BlackRock TCP Capital Corp. case is April 6, 2026.
  • The deadline to ask the court to be appointed lead plaintiff in the Mereo BioPharma Group plc case is April 6, 2026.
  • The deadline to ask the court to be appointed lead plaintiff in the POMDOCTOR LIMITED case is April 6, 2026.
  • The deadline to ask the court to be appointed lead plaintiff in the Ultragenyx Pharmaceutical Inc. case is April 6, 2026.

The players

BlackRock TCP Capital Corp.

A publicly traded investment management firm.

Mereo BioPharma Group plc

A clinical-stage biopharmaceutical company.

POMDOCTOR LIMITED

A publicly traded company alleged to be involved in a fraudulent stock promotion scheme.

Ultragenyx Pharmaceutical Inc.

A clinical-stage biopharmaceutical company.

Holzer & Holzer, LLC

A securities litigation law firm representing shareholders and investors in class action lawsuits.

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What they’re saying

“If you purchased BlackRock TCP shares during this time period and suffered a significant loss on that investment, you are encouraged to discuss your legal rights by contacting Corey D. Holzer, Esq.”

— Corey D. Holzer, Attorney, Holzer & Holzer, LLC (Holzer & Holzer, LLC)

“If you purchased Mereo shares during this time period and suffered a significant loss on that investment, you are encouraged to discuss your legal rights by contacting Corey D. Holzer, Esq.”

— Corey D. Holzer, Attorney, Holzer & Holzer, LLC (Holzer & Holzer, LLC)

“If you purchased Pomdoctor shares during this time period and suffered a significant loss on that investment, you are encouraged to discuss your legal rights by contacting Corey D. Holzer, Esq.”

— Corey D. Holzer, Attorney, Holzer & Holzer, LLC (Holzer & Holzer, LLC)

“If you purchased Ultragenyx shares during this time period and suffered a significant loss on that investment, you are encouraged to discuss your legal rights by contacting Corey D. Holzer, Esq.”

— Corey D. Holzer, Attorney, Holzer & Holzer, LLC (Holzer & Holzer, LLC)

The takeaway

These shareholder class action lawsuits represent an opportunity for investors who suffered losses to potentially recover damages, but the deadlines to seek lead plaintiff status are quickly approaching. Affected investors should contact the law firm Holzer & Holzer, LLC to discuss their legal options and rights.