Canada · 
Who invested in Arius Research?
Arius Research's investors include OrbiMed, Xmark Asset Management, Efficacy Capital and Xmark Opportunity Funds.
2006
$2.0MVenture$22MVentureCanada · Venture startup
Who invested in Arius Research
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.
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Funding summaryUpdated 27 Oct 2026
$24Mraised across 2 rounds since 2005, from 2 sources
$2.0MVenture$22MVenture
- Latest round
- Venture, $22MMar 2006
- Step-upi
- 10.8×
- 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
- Venture, $2.0M Nov 2005
- Biggest round
- $22M Venture · Mar 2006
- Between rounds
- 3 months from the last two
The rounds
- Mar 2006
- Nov 2005
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$143MJul 2008
From historical deal records. Wrong? Tell us.
Everyone who backed them
Xmark Asset ManagementVC firm1round
Efficacy Capitalno record of our own yet1round
Xmark Opportunity Fundsno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Arius Research
How much has Arius Research raised?
Arius Research has raised $24M across 2 rounds since 2005.
When did Arius Research last raise?
Arius Research's most recent round was a Venture of $22M in Mar 2006.
What was Arius Research's biggest round?
Its most recent round, $22M in Mar 2006, is also its largest on record.
Who backed Arius Research first?
Arius Research's first round on record, in Nov 2005, was backed by Xmark Asset Management.
What stage is Arius Research at?
Arius Research's latest named round is a Venture, in Mar 2006.
Where is Arius Research based?
Arius Research is based in Canada.
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