Hemab Therapeutics Announces $135M Series B Financing to Advance First Prophylactic Treatments for Underserved Bleeding and Thrombotic Disorders

Hemab Therapeutics, a clinical-stage biotechnology company developing the first prophylactic therapeutics for serious, underserved bleeding and thrombotic disorders, today announced the closing of an oversubscribed $135 million Series B financing. Access Biotechnology led the round, with participation from new investors Deep Track Capital, Avoro Ventures, Invus, Rock Springs Capital, and Maj Invest Equity, as well as all current investors Novo Holdings, RA Capital Management, and HealthCap.

“Hemab is fundamentally reimagining the treatment paradigm for underserved bleeding and thrombotic disorders. This financing will allow us to progress our clinical programs for the first prophylactic treatments for Glanzmann Thrombasthenia and von Willebrand Disease, delivering functional cures for patients in need,” said Benny Sorensen, MD, PhD, CEO & President of Hemab. “We’re grateful for this robust syndicate of investors who support our approach of leveraging validated advanced technologies and deep insights into the biology of clotting to overcome decades of scientific stagnation.”

The financing will support Hemab’s scientific and corporate growth plans through 2025, including completion of an ongoing Phase 1/2 clinical study of lead candidate HMB-001 in Glanzmann Thrombasthenia, initiation of pivotal studies, start and completion of Phase 1/2 clinical evaluation for HMB-VWF in von Willebrand disease, and future pipeline evolution in accordance with the company’s Hemab 1-2-5™ strategic guidance—targeting development of 5 clinical assets by 2025.

“Strong investor confidence—in this case, an upsized round and more than $200 million in demand—is a testament to the expertise of the Hemab team, their validated scientific approach, and the opportunity to bring long-overdue innovation to patients living with severe bleeding and thrombotic diseases,” said John Maraganore, PhD, Chair of Hemab’s Board of Directors.

“As founding investor and the company’s largest shareholder, we are excited to support Hemab in the next phase of its plan to build the ultimate clotting company, with a Nordic foundation and global footprint,” said Jørgen Søberg Petersen, MD, PhD, MBA, Partner at Novo Holdings.

Hemab also announced Dan Becker, MD, PhD, Managing Director at Access, and Uya Chuluunbaatar, PhD, Partner at Avoro Ventures, will also join as Directors. Christine Borowski, PhD, Vice President at Access, will join as a Board Observer.

“We are thrilled to partner with Hemab’s exceptional leadership to advance a pipeline of transformative new medicines for areas of high unmet need in hemostatic disorders,” said Dr. Becker.