# Semler Scientific

> Semler Scientific is a healthcare technology company best known for QuantaFlo, an FDA-cleared, point-of-care device that measures arterial blood flow to help clinicians detect peripheral arterial disease in about five minutes. Founded in 2007 and headquartered in California, the company built a profitable licensing business selling QuantaFlo to Medicare Advantage insurers and providers. In May 2024 it became one of the first Nasdaq-listed healthcare companies to adopt Bitcoin as its primary treasury reserve asset, and in January 2026 it merged with Strive to form one of the largest corporate Bitcoin holders.

- **Founded:** 2007
- **Headquarters:** Campbell, California, United States
- **Founders:** Herbert J. Semler (Co-Founder), Daniel Conger (Co-Founder)
- **Team size:** Approximately 59 employees
- **Products:** QuantaFlo, QuantaFlo Cardiac / heart function assessment, Bitcoin treasury operation
- **Notable:** QuantaFlo received FDA 510(k) clearance (K143094) in 2015 and became a market-leading point-of-care PAD test., Validated in peer-reviewed vascular research with high concordance versus Doppler-based methods., Among the first Nasdaq-listed healthcare companies to adopt a Bitcoin treasury reserve strategy (May 2024).

## Products & services

- **QuantaFlo** — Patented, FDA 510(k)-cleared point-of-care device that uses an optical sensor on the fingers and toes to measure arterial blood flow and calculate the probability of peripheral arterial disease (PAD), functioning as a digital alternative to the ankle-brachial index. Results in roughly 4-5 minutes.
- **QuantaFlo Cardiac / heart function assessment** — Extensions of the QuantaFlo platform aimed at broader cardiovascular and vascular assessment at the point of care.
- **Bitcoin treasury operation** — Corporate treasury strategy holding Bitcoin as the primary reserve asset, funded through operating cash flow and equity offerings.

## Achievements

- QuantaFlo received FDA 510(k) clearance (K143094) in 2015 and became a market-leading point-of-care PAD test.
- Validated in peer-reviewed vascular research with high concordance versus Doppler-based methods.
- Among the first Nasdaq-listed healthcare companies to adopt a Bitcoin treasury reserve strategy (May 2024).
- Became the 14th-largest public corporate Bitcoin holder in July 2025.
- Half of the first-ever merger between two Bitcoin treasury companies (Strive, January 2026).

## Latest updates

- **2024-05** — Board adopts Bitcoin as primary treasury reserve asset; first purchase of 581 BTC for about $40 million.
- **2025-06** — Sets ambition to hold 10,000 BTC by end of 2025 and up to 105,000 BTC by 2027; hires Joe Burnett to lead Bitcoin strategy.
- **2025-07** — Reaches 5,021 BTC and becomes the 14th-largest public corporate Bitcoin holder.
- **2025-09** — Finalizes ~$29.75M DOJ settlement over Medicare claims tied to its tests, with no admission of wrongdoing; agrees to be acquired by Strive.
- **2026-01** — Shareholders approve Strive acquisition; combined company holds roughly 12,798 BTC, among the largest corporate Bitcoin treasuries.

## Links

- Website: https://semlerscientific.com
- LinkedIn: https://www.linkedin.com/company/semler-scientific
- Facebook: https://facebook.com/people/Semler-Scientific-Inc/100069112226979/

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Profile page: https://yespress.io/semler-scientific
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Last updated: 2026-08-12