Ultragenyx Pharmaceutical Inc. (RARE)

Ultragenyx Pharmaceutical Inc., a biopharmaceutical company, focuses on the identification, acquisition, development, and commercialization of novel products for the treatment of rare and ultra-rare genetic diseases in North America, Latin America, Europe, the Middle East, Africa, and the Asia-Pacific. Its biologic products include Crysvita (burosumab), an antibody targeting fibroblast growth factor 23 for the treatment of X-linked hypophosphatemia, as well as tumor-induced osteomalacia; Mepsevii, an enzyme replacement therapy for the treatment of children and adults with Mucopolysaccharidosis VII; Dojolvi for the treatment of long-chain fatty acid oxidation disorders; and Evkeeza (evinacumab) for the treatment of homozygous familial hypercholesterolemia. The company's products candidates that are in Phase 3 clinical trials include UX143, a human monoclonal antibody for the treatment of osteogenesis imperfecta; UX111, an AAV9 gene therapy product candidate for the treatment of patients with Sanfilippo syndrome type A, or MPS IIIA, a rare lysosomal storage disease; DTX401, an adeno-associated virus 8 (AAV8) gene therapy clinical candidate for the treatment of patients with glycogen storage disease type Ia; DTX301, an AAV8 gene therapy for the treatment of patients with ornithine transcarbamylase; and GTX-102, an antisense oligonucleotide for the treatment of Angelman syndrome. It also develops UX701, an adeno-associated AAV9 gene therapy which is in Phase 2 clinical trial for the treatment of Wilson liver disease. The company has collaboration and license agreement with Kyowa Kirin Co., Ltd.; Saint Louis University; Baylor Research Institute; REGENXBIO Inc.; GeneTx; Mereo; University of Pennsylvania; Regeneron; and Abeona. Ultragenyx Pharmaceutical Inc. was incorporated in 2010 and is headquartered in Novato, California.

• 年次報告書（10-K）

  事業内容、財務実績、リスクをまとめた年次の概要。

  提出日: 2026-02-18

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• 四半期報告書（10-Q）

  直近3か月間の業績に関する最新情報。

  提出日: 2026-08-05

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• 臨時報告書（8-K）

  経営陣の交代や重要な発表など、大きな出来事に関するお知らせ。

  提出日: 2026-09-17

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• 3/12/2026POSITIVE
  Ultragenyx's Gene Therapy Study Shows Ammonia Reduction In Rare Metabolic Disorder

  Ultragenyx Pharmaceutical Inc. announced positive Phase 3 data for its gene therapy candidate, demonstrating a significant reduction in ammonia levels for patients with a rare metabolic disorder. While full clinical outcomes are anticipated in 2027, the early success in normalizing key biomarkers offers a promising outlook. This development could position Ultragenyx as a leader in treating ultra-rare genetic diseases, potentially leading to substantial market share and improved patient lives, which is a strong signal for investors.