United States · 
Who invested in Yammer?
Yammer's investors include CRV, Founders Fund, Emergence, U.S. Venture Partners and Social Capital, and 13 more on record.
2009201020112012
$5.0MSeries A$10MSeries B$25MSeries C$17MSeries D$85MSeries E
United States · Series E startup
Who invested in Yammer
Funding summaryUpdated 26 Oct 2026
$142Mraised across 5 rounds since 2009, from 5 sources
$5.0MSeries A$10MSeries B$25MSeries C$17MSeries D$85MSeries E
- Latest round
- Series E, $85MFeb 2012
- Step-upi
- 5×
- Investors
- 18
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, $5.0M Jan 2009
- Biggest round
- $85M Series E · Feb 2012
- Usual gap between rounds
- 10 months the median of 4
YammerComputer Software1 / 31Their pitch deckYammer's pitch deck, 31 slidesEach slide read for what it argues, against the decks that raised at the same stage.→The rounds
- Feb 2012Series E$85M7 new6 returning
Khosla Ventures
Founders Fund
CRV
U.S. Venture Partners
DFJ
Social Capital
CrunchFund
Meritech Capital Partners
Emergence- The Social+Capital Partnership
- Max Levchin
Capricorn Investment- Ronnie Lott
Reported by techcrunch.comSEC filing: $85M sold, first sale Feb 2012
- Sept 2011Series D$17M3 new
Reported by techcrunch.com
- Nov 2010Series C$25M1 new3 returning
Reported by techcrunch.comSEC filing: $25M sold, first sale Nov 2010
- Feb 2010Series B$10M5 new1 returning
Reported by kara.allthingsd.comSEC filing: $9.9M sold, first sale Jan 2010
- Jan 2009
Founders and team
From the SEC filings it signed: 2 on the team.
- Adam PisoniExecutive Officer, Directori
- David SacksExecutive Officer, Directori
On the board, as filediGeorge ZacharyJason GreenRick LewisSean Parker
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 A2009Series B2010Series C2010Series D2011Series E2012CRVFounders FundEmergenceU.S. Venture PartnersSocial CapitalThe Social+Capital Partnership
SV AngelKhosla VenturesDFJCrunchFund
CRVFounders FundEmergenceU.S. Venture PartnersSocial CapitalThe Social+Capital PartnershipSV AngelKhosla VenturesDFJCrunchFundThe exit
ExitBuyerPriceWhen
From historical deal records. Wrong? Tell us.
Everyone who backed them
The Social+Capital PartnershipVC firm2rounds
Ron ConwayAngel1round
Keith RaboisVC firm1round
Max LevchinVC firm1round
Chamath PalihapitiyaVC firm1round
Ronnie LottAngel1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
This firm lists Yammer as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Yammer
How much has Yammer raised?
Yammer has raised $142M across 5 rounds since 2009.
When did Yammer last raise?
Yammer's most recent round was a Series E of $85M in Feb 2012.
What was Yammer's biggest round?
Its most recent round, $85M in Feb 2012, is also its largest on record.
Who backed Yammer first?
Yammer's first round on record, in Jan 2009, was backed by Founders Fund and CRV.
What stage is Yammer at?
Yammer's latest named round is a Series E, in Feb 2012.
Where is Yammer based?
Yammer is based in the United States.
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