What is AlterG?
Founded in 2005 and headquartered in Fremont, California, AlterG specializes in the development of advanced mobility enhancement products. By leveraging NASA-derived differential air pressure technology, the company provides unique rehabilitation and training solutions that allow users to move with reduced body weight. This technology has become a staple in physical therapy clinics, professional sports organizations, and elite athletic training facilities worldwide. AlterG occupies a distinct niche at the intersection of medical device manufacturing and performance optimization, positioning itself as a leader in non-invasive physical recovery tools.
How much funding has AlterG raised?
AlterG has raised a total of $55.3M across 8 funding rounds:
Series B
$8M
Debt
$2M
Series C
$10.3M
Debt
$15M
Debt
$3.5M
Unspecified
$6M
Debt
$8M
Series B (2009): $8M led by Red Planet Capital and Versant Ventures
Debt (2010): $2M supported by Versant Ventures
Series C (2012): $10.3M featuring Versant Ventures
Debt (2015): $15M backed by Oxford Finance
Debt (2017): $3.5M with participation from First West Capital and Siena Lending Group, LLC
Unspecified (2018): $6M led by Leerink Revelation Partners, Partner Ventures, Sorehsa AG, and Versant Ventures
Debt (2021): $8M supported by Cortland Credit Group
Key Investors in AlterG
Versant Ventures
A prominent venture capital firm that partners with exceptional entrepreneurs to build and fund innovative biotechnology and medical device companies globally.
Red Planet Capital
A specialized venture fund that historically focused on identifying private sector technologies with potential applications in aerospace and biomedical fields.
Oxford Finance
A specialty finance firm providing flexible, senior-secured debt solutions tailored to the unique capital requirements of healthcare and life sciences enterprises.
What's next for AlterG?
Looking ahead, AlterG is well-positioned to leverage its recent capital injection to accelerate product innovation and market penetration. The strategic focus remains on enhancing the clinical efficacy of its mobility platforms while exploring new applications in geriatric care and neurological rehabilitation. By maintaining strong relationships with its diverse investor base, the company is poised to navigate the complexities of the medical device landscape, ensuring that its technological advancements continue to meet the evolving needs of patients and athletes alike. The firm's transition toward more flexible financing models suggests a mature operational strategy aimed at long-term sustainability and market leadership.
See full AlterG company page
