United Kingdom · Who invested in Mendeley?
Mendeley's investors include Stefan Glaenzer, Alex Zubillaga, Ambient Sound Investments, Andurance Ventures and Alfred P. Sloan Foundation.
2009201120132015201720192021
$2.0MSeries A$125KGrant$6.7MRound
United Kingdom · Funded startup
Who invested in Mendeley
Funding summaryUpdated 26 Oct 2026
$8.8Mraised across 3 rounds since 2009, from 3 sources
$2.0MSeries A$125KGrant$6.7MRound
- Latest round
- Round, $6.7MDec 2022
- Step-upi
- 53.6×
- Investors
- 5
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 Feb 2009
- Biggest round
- $6.7M Round · Dec 2022
- Usual gap between rounds
- 10.9 years the median of 2
The rounds
- Dec 2022Round$6.7M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
- Jan 2012
- Feb 2009Series A$2.0M4 new
Reported by techcrunch.com
Funding filed with regulators
Mendeley filed one raise, $6.7M in all. Filings say how much was sold and to how many investors; they never name the investors.
- Dec 2022$6.7MUK share allotment
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 A2009Grant2012Round2022Stefan GlaenzerAlex Zubillaga
Ambient Sound Investments
Andurance VenturesAlfred P. Sloan Foundation
Ambient Sound InvestmentsAndurance VenturesAlfred P. Sloan FoundationThe exit
ExitBuyerPriceWhen
AcquiredElsevierundisclosedApr 2013
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 Mendeley
How much has Mendeley raised?
Mendeley has raised $8.8M across 3 rounds since 2009.
When did Mendeley last raise?
Mendeley's most recent round, $6.7M, was in Dec 2022.
What was Mendeley's biggest round?
Its most recent round, $6.7M in Dec 2022, is also its largest on record.
Who backed Mendeley first?
Mendeley's first round on record, in Feb 2009, was backed by Stefan Glaenzer, Alex Zubillaga and Ambient Sound Investments and 1 others.
What stage is Mendeley at?
Mendeley's latest named round is a Grant, in Jan 2012.
Where is Mendeley based?
Mendeley is based in the United Kingdom.
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