United States · 
Who invested in Paratek Pharmaceuticals?
Paratek Pharmaceuticals's investors include Aisling Capital, D.E. Shaw & Co., IBT Management Corporation and Pacific Growth Equities.
2008200920102011201220132014
$40MSeries H$93MDebtUnited States · Funded startup
Who invested in Paratek Pharmaceuticals
2 rounds we have observed, with the 4 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.
Funding summaryUpdated 26 Oct 2026
$133Mraised across 2 rounds since 2007, from 2 sources
$40MSeries H$93MDebt
- Latest round
- Debt, $93MJul 2014
- Step-upi
- 2.3×
- Investors
- 4
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 H, $40M Oct 2007
- Biggest round
- $93M Debt · Jul 2014
- Between rounds
- 6.8 years from the last two
The rounds
- Jul 2014Debt$93M
No investor was named in the report.
From a historical funding recordSEC filing: $93M sold, first sale Jun 2014
- Oct 2007Series H$40M4 new
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.
Everyone who backed them
D.E. Shaw & Co.Growth equity1round
IBT Management CorporationVC firm1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Paratek Pharmaceuticals
How much has Paratek Pharmaceuticals raised?
Paratek Pharmaceuticals has raised $133M across 2 rounds since 2007.
When did Paratek Pharmaceuticals last raise?
Paratek Pharmaceuticals's most recent round was a Debt of $93M in Jul 2014.
What was Paratek Pharmaceuticals's biggest round?
Its most recent round, $93M in Jul 2014, is also its largest on record.
Who backed Paratek Pharmaceuticals first?
Paratek Pharmaceuticals's first round on record, in Oct 2007, was backed by Aisling Capital, D.E. Shaw & Co. and IBT Management Corporation and 1 others.
What stage is Paratek Pharmaceuticals at?
Paratek Pharmaceuticals's latest named round is a Debt, in Jul 2014.
Where is Paratek Pharmaceuticals based?
Paratek Pharmaceuticals is based in the United States.
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