Proteus Digital Health

Redwood City, CA Digital Health Acquired

Proteus Digital Health developed digital medicines including ingestible sensors embedded in pharmaceutical tablets and wearable patches that detect medication adherence and monitor physiological response. The company pioneered sensor-enabled drug delivery technology combined with cloud-based data analytics for patient monitoring.

Acquired

Proteus Digital Health has been acquired

Acquired by Otsuka America Pharmaceutical, Inc. Aug 20, 2020 $15M

This company is no longer available on our private secondary market.

Overview

Company data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.

Founded

2003

Total Funding

$322.5M

9 rounds

Funding

Funding data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.

Total raised $322.5M across 9 rounds

Last updated 06-25-2026

DateRoundAmount RaisedValuationLead Investors
Oct 11, 2018 Series H $88M Otsuka Pharmaceutical
Jul 29, 2014 Series G (second close) Press release $52M Not disclosed
Jun 2, 2014 Series G (initial close) Press release $120M Not disclosed

Leadership

  • Andrew Thompson

    Co-Founder and Chief Executive Officer

    LinkedIn
  • George Savage

    Co-Founder

  • Mark Zdeblick

    Co-Founder

Competitors

Competitor list is illustrative and may be incomplete, stale, or erroneous.

  • Medication Adherence Technologies

    Companies offering digital health and adherence monitoring solutions

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