United States · 
Who invested in Ariosa Diagnostics, Inc.?
Ariosa Diagnostics, Inc.'s investors include Venrock, Domain Associates and Meritech Capital Partners.
2009201020112012
$2.0MSeries A$13MSeries B$53MSeries CUnited States · Series C startup
Who invested in Ariosa Diagnostics, Inc.
3 rounds we have observed, with the 3 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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Funding summaryUpdated 31 Oct 2026
$68Mraised across 3 rounds since 2009, from 3 sources
$2.0MSeries A$13MSeries B$53MSeries C
- Latest round
- Series C, $53MJan 2012
- Step-upi
- 4.1×
- Investors
- 3
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 A, $2.0M Jan 2009
- Biggest round
- $53M Series C · Jan 2012
- Usual gap between rounds
- 20 months the median of 2
The rounds
- Jan 2012
- May 2010
- Jan 2009
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.
The exit
ExitBuyerPriceWhen
AcquiredRoche$625MDec 2014
From historical deal records. Wrong? Tell us.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Ariosa Diagnostics, Inc.
How much has Ariosa Diagnostics, Inc. raised?
Ariosa Diagnostics, Inc. has raised $68M across 3 rounds since 2009.
When did Ariosa Diagnostics, Inc. last raise?
Ariosa Diagnostics, Inc.'s most recent round was a Series C of $53M in Jan 2012.
What was Ariosa Diagnostics, Inc.'s biggest round?
Its most recent round, $53M in Jan 2012, is also its largest on record.
Who backed Ariosa Diagnostics, Inc. first?
Ariosa Diagnostics, Inc.'s first round on record, in Jan 2009, was backed by Venrock.
What stage is Ariosa Diagnostics, Inc. at?
Ariosa Diagnostics, Inc.'s latest named round is a Series C, in Jan 2012.
Where is Ariosa Diagnostics, Inc. based?
Ariosa Diagnostics, Inc. is based in the United States.
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