United States · Series D startup
9 rounds we have observed, with the 14 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.
Funding summaryUpdated 26 Oct 2026
$368Mraised across 9 rounds since 2011, from 9 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
BNP ParibasReported by FinSMEsSEC filing: $6.5M sold, first sale Sept 2016
Temasek HoldingsReported by FinSMEsSEC filing: $82M sold, first sale Jan 2018
Reported by FinSMEsSEC filing: $2.7M sold, first sale Sept 2016
From a historical funding record
From a historical funding recordSEC filing: $16M sold, first sale Mar 2015
From a historical funding recordSEC filing: $16M sold, first sale Mar 2015
From the SEC filings it signed: 2 on the team.
On the board, as filediAnup JacobCatherine WainwrightDavid BuzbyGo MizoguchiMichael SmithOlivia SteedmanPaul LeggettZeb Rice
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Angeleno Group
GE VenturesTotal Energy Ventures
Constellation Energy
IberdrolaTemasek HoldingsBNP Paribas
Mitsui Global Investment
Evolution MediaGreener CapitalMissing a round, or an investor who was in one? Tell us.
These 7 firms list Stem as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Stem's investors include Angeleno Group, GE Ventures, Total Energy Ventures, Constellation Energy and Iberdrola, and 9 more on record.
Stem has raised $368M across 9 rounds since 2011.
Stem's most recent round was a Series D of $180M in Jun 2018.
Its most recent round, $180M in Jun 2018, is also its largest on record.
Stem's first round on record, in Apr 2012, was backed by Angeleno Group and Greener Capital.
Stem's latest named round is a Series D, in Jun 2018.
Stem is based in the United States.
In the same sector, and raised in the last eighteen months.
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United States · 
