United States · Who invested in NxThera?
NxThera's investors include Arboretum Ventures, Aberdare Ventures, Boston Scientific and American Medical Systems.
2012201320142015
$22MSeries B$18MSeries C$25MSeries C$40MSeries DUnited States · Series D startup
Who invested in NxThera
Funding summaryUpdated 26 Oct 2026
$105Mraised across 4 rounds since 2011, from 4 sources
$22MSeries B$18MSeries C$25MSeries C$40MSeries D
- Latest round
- Series D, $40MDec 2015
- Step-upi
- 1.6×
- 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 B, $22M Oct 2011
- Biggest round
- $40M Series D · Dec 2015
- Usual gap between rounds
- 21 months the median of 3
The rounds
- Dec 2015Series D$40M1 new
From a historical funding recordSEC filing: $25M sold, first sale Dec 2015
- Feb 2014Series C$25M
No investor was named in the report.
From a historical funding record
- Aug 2013Series C$18M
No investor was named in the report.
Reported by finsmes.comSEC filing: $6.6M sold, first sale Sept 2013
- Oct 2011Series B$22M3 new
Arboretum Ventures
Aberdare Ventures- American Medical Systems
Reported by fis.dowjones.comSEC filing: $15M sold, first sale Mar 2011
Founders and team
From the SEC filings it signed: 7 on the team.
- Carmen B. VolkhartExecutive Officeri
- Cindy B. OgdenExecutive Officeri
- J. Robert PaulsonExecutive Officer, Directori
- Michael B. KujakExecutive Officeri
- Michael Robert HoeyExecutive Officer, Directori
- Mona B. DahdahExecutive Officeri
- Patrick B. FabianExecutive Officeri
On the board, as filediAndre Robert de BruinBrian Robert GustafsonCharles Robert ChonJan Robert GarfinkleSami Robert HamadeSigrid Robert VanBladelTom Robert Lowe
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 B2011Series C2013Series C2014Series D2015Arboretum VenturesAberdare Ventures
Boston ScientificAmerican Medical Systems
Arboretum VenturesAberdare VenturesBoston ScientificAmerican Medical SystemsEveryone who backed them
American Medical Systemsno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about NxThera
How much has NxThera raised?
NxThera has raised $105M across 4 rounds since 2011.
When did NxThera last raise?
NxThera's most recent round was a Series D of $40M in Dec 2015.
What was NxThera's biggest round?
Its most recent round, $40M in Dec 2015, is also its largest on record.
Who backed NxThera first?
NxThera's first round on record, in Oct 2011, was backed by Arboretum Ventures, Aberdare Ventures and American Medical Systems.
What stage is NxThera at?
NxThera's latest named round is a Series D, in Dec 2015.
Where is NxThera based?
NxThera is based in the United States.
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