United States · Who invested in Paratek?
Paratek's investors include Polaris Partners, Morgenthaler Ventures, Novak Biddle Venture Partners, ABS Ventures and Investor AB, and 2 more on record.
20042005200620072008
$15MSeries B$15MSeries C$20MVentureUnited States · Venture startup
Who invested in Paratek
Funding summaryUpdated 26 Oct 2026
$50Mraised across 3 rounds since 2004, from 3 sources
$15MSeries B$15MSeries C$20MVenture
- Latest round
- Venture, $20MDec 2008
- Step-upi
- 1.3×
- Investors
- 7
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series B, $15M Jan 2004
- Biggest round
- $20M Venture · Dec 2008
- Usual gap between rounds
- 3.5 years the median of 2
The rounds
- Dec 2008Venture$20M1 new4 returning
From a historical funding record
- May 2005Series C$15M1 new4 returning
Reported by paratek.com
- Jan 2004Series B$15M5 new
Polaris Partners
Morgenthaler Ventures- Novak Biddle Venture Partners
ABS Ventures- Investor Growth Capital Limited
From a historical funding record
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 B2004Series C2005Venture2008Polaris PartnersMorgenthaler VenturesNovak Biddle Venture PartnersABS Ventures
Investor ABInvestor Growth Capital Limited
STMicroelectronics
Polaris PartnersMorgenthaler VenturesNovak Biddle Venture PartnersABS VenturesInvestor ABInvestor Growth Capital LimitedSTMicroelectronicsThe exit
ExitBuyerPriceWhen
From historical deal records. Wrong? Tell us.
Everyone who backed them
Novak Biddle Venture PartnersVC firm3rounds
Investor Growth Capital LimitedGrowth equity1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Paratek
How much has Paratek raised?
Paratek has raised $50M across 3 rounds since 2004.
When did Paratek last raise?
Paratek's most recent round was a Venture of $20M in Dec 2008.
What was Paratek's biggest round?
Its most recent round, $20M in Dec 2008, is also its largest on record.
Who backed Paratek first?
Paratek's first round on record, in Jan 2004, was backed by Polaris Partners, Morgenthaler Ventures and Novak Biddle Venture Partners and 2 others.
What stage is Paratek at?
Paratek's latest named round is a Venture, in Dec 2008.
Where is Paratek based?
Paratek is based in the United States.
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