# Theranos funding: rounds and investors

> Theranos has raised $188M across 6 rounds since 2005. Investors include Draper Fisher Jurvetson (DFJ), ATA Ventures and Continental Ventures.

Source: https://millionrounds.com/company/theranos (Millionrounds; every figure on the page links to its filing or article)

United States · [Funded startup](https://millionrounds.com/companies)

# Who invested in *Theranos*

6 rounds we have observed, with the 5 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

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Biotech Healthcare

Funding summary Updated 27 Oct 2026

**$188M** raised across 6 rounds since 2005, from 6 sources

**$5.8M** Series A **$9.1M** Series B **$29M** Series C **$45M** Venture **$100M** Debt

- **Latest round:** Debt, $100M Dec 2017
- **Step-up i:** 2.2×
- **Investors:** 5

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2005 2007 2009 2011 2013 2015 2017

**$5.8M** Series A

**$9.1M** Series B

**$29M** Series C

**$45M** Venture

**?** Growth

**$100M** Debt

- **First round:** Series A, $5.8M
- **Biggest round:** $100M
- **Usual gap between rounds:** 3.5 years

[**Theranos** Biotech/health 1 / 24 Their pitch deck **Theranos's pitch deck, 24 slides** Each slide read for what it argues, against the decks that raised at the same stage.](https://millionrounds.com/decks/theranos)

## The rounds

- **Dec 2017** Debt **$100M** No investor was named in the report. Reported by Businessinsider
- **Jun 2014** Growth **Amount undisclosed** No investor was named in the report. From a historical funding record
- **Jul 2010** Venture **$45M** No investor was named in the report. From a historical funding record SEC filing: $45M sold, first sale Jul 2010
- **Nov 2006** Series C **$29M** *3 new* *2 returning* [Draper Fisher Jurvetson (DFJ)](https://millionrounds.com/fund/draper-fisher-jurvetson-dfj) [ATA Ventures](https://millionrounds.com/fund/ata-ventures) [Continental Ventures](https://millionrounds.com/fund/continental-ventures) [Tako Ventures](https://millionrounds.com/fund/tako-ventures) The Lawrence J. Ellison Revocable Trust From a historical funding record
- **Feb 2006** Series B **$9.1M** *1 new* *1 returning* [Draper Fisher Jurvetson (DFJ)](https://millionrounds.com/fund/draper-fisher-jurvetson-dfj) [ATA Ventures](https://millionrounds.com/fund/ata-ventures) From a historical funding record
- **Feb 2005** Series A **$5.8M** *1 new* [Draper Fisher Jurvetson (DFJ)](https://millionrounds.com/fund/draper-fisher-jurvetson-dfj) From a historical funding record

## Founders and team

From the SEC filings it signed: 1 on the team.

- **Elizabeth Anne Holmes** Executive Officer, Director i

On the board, as filed i *Daniel Anne Warmenhoven* *Fabrizio Anne Bonanni* *William Anne Foege*

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Series A** 2005 **Series B** 2006 **Series C** 2006 **Venture** 2010 **Growth** 2014 **Debt** 2017 [Draper Fisher Jurvetson (DFJ)](https://millionrounds.com/fund/draper-fisher-jurvetson-dfj) [ATA Ventures](https://millionrounds.com/fund/ata-ventures) [Continental Ventures](https://millionrounds.com/fund/continental-ventures) [Tako Ventures](https://millionrounds.com/fund/tako-ventures) The Lawrence J. Ellison Revocable Trust

## Everyone who backed them

[Draper Fisher Jurvetson (DFJ)](https://millionrounds.com/fund/draper-fisher-jurvetson-dfj) Investment firm **3** rounds

[ATA Ventures](https://millionrounds.com/fund/ata-ventures) Growth equity **2** rounds

[Continental Ventures](https://millionrounds.com/fund/continental-ventures) VC firm **1** round

[Tako Ventures](https://millionrounds.com/fund/tako-ventures) VC firm **1** round

The Lawrence J. Ellison Revocable Trust no record of our own yet **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=theranos).

## Quick answers about Theranos

### Who invested in Theranos?

Theranos's investors include Draper Fisher Jurvetson (DFJ), ATA Ventures, Continental Ventures, Tako Ventures and The Lawrence J. Ellison Revocable Trust.

### How much has Theranos raised?

Theranos has raised $188M across 6 rounds since 2005. One round did not disclose an amount, so the total is a floor.

### When did Theranos last raise?

Theranos's most recent round was a Debt of $100M in Dec 2017.

### What was Theranos's biggest round?

Its most recent round, $100M in Dec 2017, is also its largest on record.

### Who backed Theranos first?

Theranos's first round on record, in Feb 2005, was backed by Draper Fisher Jurvetson (DFJ).

### What stage is Theranos at?

Theranos's latest named round is a Debt, in Dec 2017.

### Where is Theranos based?

Theranos is based in the United States.

## Companies like Theranos

In the same sector, and raised in the last eighteen months.

[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)

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