Fundraising Fox

Octave Bioscience Inc

Menlo Park, US · Delaware corporation · 2 known investors

Menlo Park biotech applying a data and analytics platform plus diagnostic testing to multiple sclerosis and neurodegenerative care.

Also known as Octave · Octave Bioscience

Healthtech

Founders & leadership

WH
William HagstromFounder
MT
Melinda ThomasExecutive
MW
Mark WeeksExecutive

Board

BBBrook Byers
Brook ByersinBoard directorFounder, Kleiner Perkins
TH
Thomas HawesBoard director
AG
A. Grant Heidrich IIIBoard director
AJ
Andrea JacksonBoard director
MP
Michael PelliniBoard director
GSGeorge Scangos
George ScangosBoard directorVenture Partner at ARCH Venture Partners

Investors · 2

Reported raises · per SEC filings

Form D private placements

$105.8M disclosed across 5 of 6 rounds · 2014–2025

$31.8MraisedMar 2025 · 20 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • A. Grant Heidrich IIIDirector
  • George ScangosDirector
  • William HagstromDirector
  • Marcel KonradExecutive Officer
  • Thomas HawesDirector
  • Brook ByersDirector
  • Doug BiehnExecutive Officer, Director
  • Lucy CoassinDirector
  • Michael PelliniDirector
Offering amount
$53.7M
Amount sold
$31.8M
First sale
Mar 2025
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$7MraisedNov 2023 · 2 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Andrea JacksonDirector
  • A. Grant Heidrich IIIDirector
  • Thomas HawesDirector
  • William HagstromExecutive Officer, Director
  • Brook ByersDirector
  • Michael PelliniDirector
  • George ScangosDirector
  • Melinda ThomasExecutive Officer
Offering amount
$7M
Amount sold
$7M
First sale
Sep 2023
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$32.5MraisedNov 2023 · 20 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Melinda ThomasExecutive Officer
  • Brook ByersDirector
  • Michael PelliniDirector
  • Thomas HawesDirector
  • George ScangosDirector
  • A. Grant Heidrich IIIDirector
  • William HagstromExecutive Officer, Director
  • Andrea JacksonDirector
Offering amount
$37.5M
Amount sold
$32.5M
First sale
Jan 2023
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$32MraisedJan 2021 · 14 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • William HagstromExecutive Officer, Director
  • Melinda ThomasExecutive Officer
  • Mark WeeksExecutive Officer
  • Brook ByersDirector
  • Thomas HawesDirector
  • A. Grant Heidrich IIIDirector
  • Andrea JacksonDirector
  • Michael PelliniDirector
  • George ScangosDirector
Offering amount
$32M
Amount sold
$32M
First sale
Oct 2020
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$2.5MraisedSep 2017 · 7 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • William HagstromExecutive Officer, Director
  • A. Grant Heidrich IIIDirector
  • Brook ByersDirector
  • Melinda ThomasExecutive Officer
Offering amount
$2.5M
Amount sold
$2.5M
First sale
Nov 2014
Incorporated
Corporation, Delaware, 2014
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Company profile

researched Aug 2026

Octave Bioscience Inc is a Menlo Park, California biotechnology company founded in 2014 that applies precision medicine and data analytics to the care of patients with neurodegenerative disease, beginning with multiple sclerosis (MS). Its Comprehensive Care Platform is described as a quantitative, objective measurement system intended to expand clinical insight in neurodegenerative disease, providing multiple layers of information and a longitudinal view of disease progression.

Sources characterize Octave as a clinical platform developer that generates, analyzes and combines data to create an integrated, multi-dimensional approach to MS care. The stated aims are to reduce total cost of care by optimizing medication use and healthcare utilization, and to help pharmaceutical companies optimize the full lifecycle of drug discovery, development, clinical trials and post-marketing activity using real-world evidence. A named product referenced in press coverage is the Octave MSDA Test, described in an independent study as an objective measure for distinguishing true MS relapse from pseudoexacerbation.

Classification data attached to the company includes artificial intelligence and analytics technology, a platform model with recurring software revenue, enterprise customers, and diagnostics/healthcare as the main product area, with biotech and healthtech tags and industry codes spanning software publishing, biotechnology R&D and health services.

Business model

Octave develops a clinical/care platform rather than a single point product, generating, analyzing and combining patient data to support multiple sclerosis care. Sources describe the model as platform-based with recurring, software-oriented revenue sold to enterprise customers, with diagnostics and healthcare as the main product category. Stated value propositions include lowering total cost of care by optimizing medication use and healthcare utilization for care providers and payers, and supporting pharmaceutical companies across drug discovery, development, clinical trials and post-marketing real-world evidence.

Classification data describes the revenue model as recurring and software-based, with enterprise customers.

Traction

Aggregator data reports 92 employees as of 5 February 2024 and $91 million total funding raised as of 15 November 2023.

Latest developments

Press mentions listed by a secondary-market platform report an independent study establishing the Octave MSDA Test as an objective measure to distinguish true MS relapse from pseudoexacerbation (July 2026) and the appointment of Zachary Fernandes as Vice President of Business Development to scale strategic partnerships (May 2026). Note that other press mentions listed on the same page concern a Hexagon government-technology spin-off also named Octave and are not attributable to this company.

Full profile — market position, technology, go-to-market, geography, history

Market position

Aggregator data places Octave at Series A stage with venture capital ownership and lists similar companies including Quadrant Biosciences, Octant, Octave Life Sciences and Mission Bio.

Sources describe the platform's differentiating claim as delivering quantitative, objective measurement in neurodegenerative disease, providing a multi-layered, longitudinal '360 degree' view of disease progression rather than isolated point-in-time assessment, combined with the Octave MSDA Test as an objective measure for distinguishing true MS relapse from pseudoexacerbation.

Technology

The Comprehensive Care Platform is described as a quantitative, objective measurement system for neurodegenerative disease that generates, analyzes and combines multiple layers of data to give a longitudinal view of disease progression. Classification data lists artificial intelligence and analytics as core technologies. The Octave MSDA Test is referenced as a diagnostic test evaluated in an independent study for distinguishing true MS relapse from pseudoexacerbation.

Go-to-market

Enterprise customers in healthcare, including clinicians and healthcare organizations managing MS patients, and pharmaceutical companies seeking support across drug development, clinical trials and post-marketing real-world evidence.

Geography

Headquarters in Menlo Park, California, United States; geographic exposure listed as the United States.

History

Sources state the company was founded in 2014 and is headquartered in Menlo Park, California. Aggregator data records a most recent funding round of $10 million in November 2023 and cumulative funding of $91 million as of 15 November 2023, with a Series A stage label and 92 employees as of February 2024. A secondary-market platform lists the company's shares as available to accredited investors as a private, pre-IPO company. Press mentions dated 2026 reference the appointment of a VP of Business Development and an independent study of the company's MSDA test.

Compiled by commissioned research from 3 cited public sources — announcements, filings, and press listed under research sources below.

Key figures

latest reported
EmployeesFeb 202492 people
Total funding raisedNov 2023$91M

Company-reported or press-reported figures, each dated to when it was claimed — not independently audited.

Timeline · 2

launches, deals, and filings
Jul 2026
Independent study on Octave MSDA Test reported

A press mention reports an independent study establishing the Octave MSDA Test as an objective measure to distinguish true MS relapse from pseudoexacerbation.

source ↗

May 2026
Zachary Fernandes appointed VP of Business Development

A press mention reports that Octave Bioscience appointed Zachary Fernandes as Vice President of Business Development to scale strategic partnerships.

source ↗

Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.

Legal entities · 1

corporate structure
Octave Bioscience IncDelaware

Research sources · 3

primary sources listed

3 public sources were cited for this profile; the first-party ones are listed here.

Frequently asked questions

What does Octave Bioscience Inc do?
Menlo Park biotech applying a data and analytics platform plus diagnostic testing to multiple sclerosis and neurodegenerative care.
Who founded Octave Bioscience Inc?
Octave Bioscience Inc was founded by William Hagstrom.
Who are Octave Bioscience Inc's investors?
Octave Bioscience Inc's investors include ARCH Venture Partners, Kleiner Perkins.
How much funding has Octave Bioscience Inc raised?
Octave Bioscience Inc has disclosed $105.8M raised across 5 of its 6 known rounds.
Where is Octave Bioscience Inc headquartered?
Octave Bioscience Inc is headquartered in Menlo Park, US.