When was Greentown Labs founded?

Greentown Labs was founded in 2011.

Where is Greentown Labs' headquarters located?

Greentown Labs' headquarters is located in Boston (United States).

How big is Greentown Labs' investment team?

Greentown Labs has a team of 62, including 17 partners.

How many companies has Greentown Labs invested in?

Greentown Labs has invested in 338 companies, including Sweetgreen & Sense.

Which companies has Greentown Labs invested in lately?

Ari & Sensai Analytics are the latest investments by Greentown Labs.

How many exits has Greentown Labs been involved in?

Greentown Labs' portfolio has seen 15 IPOs and 21 acquisitions.

How many unicorns are there in Greentown Labs' portfolio?

There is 1 unicorn in Greentown Labs' portfolio.

Greentown Labs - 2026 Investor Profile, Portfolio, Team & Investment Trends

Greentown Labs, an accelerator and incubator program founded in 2011, is based in Boston, United States. With a presence in 20 countries, it has supported around 338 startups in sectors like High Tech, Environment Tech. As of Jul 2026, Greentown Labs has 1 unicorn under its belt and has witnessed 36 portfolio exits. Most notable companies in its portfolio include Sweetgreen, Sense and Accenture. The program is backed by a team of 62 people who primarily support Seed startups based in United States. Its latest investment was a Undisclosed Seed round in Ari on Mar 22, 2022.

Key Metrics

Founded Year

2011

Location

Boston, United States

Portfolio Companies

Sweetgreen, Sense & 336 more

Sectors of Investment

High Tech, Environment Tech & 36 more

Stages of Investment

Seed, Grant (prize money) & 1 more

Locations of Investment

United States, Canada & 18 more

Unicorn in Portfolio

Form Energy

View Greentown Labs's full profile

Greentown Labs has a portfolio of 338 companies, one of which is a Unicorn. Their most notable investments are in Hyperframe and LineVision.Their portfolio spans across United States, Canada, Netherlands and 17 more locations. They have invested in High Tech, Environment Tech, Energy Tech and 35 other sectors, across stages such as Seed, Grant (prize money) and 1 more. Here is the list of top investments by Greentown Labs:

1. Sweetgreen

Restaurant chains offer salads and meal bowls. Its other products include chicken items, kid's meals, local food dishes, desserts, and drinks. It also provides customized food platters and supply network services.

Key facts about Sweetgreen

Founded Year: 2006
Location: Los Angeles (United States)
Annual Revenue: $500M - $1B as on Dec 31, 2024
Stage: Public
Total Funding till date: $479M
Employee Count: 2,807 as on May 31, 2026
Investors: equitywestsecurities.com, Fidelity Investments and 42 Others
Latest Funding Round: Series I, Sep 23, 2019, $*****
Highlight: Public

2. Sense

Smart energy platform providing real-time electricity usage insights for homes and utilities. It uses smart sensors and data analytics to deliver real-time electricity usage insights for homes, utilities, and energy partners. It helps users understand and reduce energy consumption, improve efficiency, and support grid reliability by providing high-resolution monitoring and behavioral energy insights aimed at lowering carbon emissions and accelerating the energy transition.

Key facts about Sense

Founded Year: 2013
Location: Cambridge (United States)
Stage: Series D
Total Funding till date: $177M
Employee Count: 108 as on May 31, 2026
Investors: CRV, Schneider Electric and 21 Others
Latest Funding Round: Series D, Jan 27, 2026, $*****
Highlight: Editors' Pick

3. Accenture

Provider of IT consulting, technology, and outsourcing services. It works with businesses to support digital transformation, operational improvement, and strategic growth. The platform provides expertise in areas such as cloud computing, artificial intelligence, cybersecurity, and supply chain management.

Key facts about Accenture

Founded Year: 1989
Location: Dublin (Ireland)
Annual Revenue: $1B+ as on Aug 31, 2025
Stage: Public
Employee Count: 668,837 as on Mar 31, 2026
Investors: ngn-capital.com, Bondeinvest.com and 6 Others
Latest Funding Round: Grant (prize money), Mar 01, 2024, $*****
Highlight: Public

4. Keysight

Manufacturer of electronics test and measurement equipments. Its products include instruments like oscilloscopes, multimeters, signal generators, power supplies, and EDA software. It is used in aerospace, defense, automotive, communications, education, government, and semiconductor applications.

Key facts about Keysight

Founded Year: 2014
Location: Santa Rosa (United States)
Annual Revenue: $1B+ as on Oct 31, 2025
Stage: Public
Employee Count: 13,542 as on May 31, 2026
Investors: Greenleaf Trust, Gov and 2 Others
Latest Funding Round: Grant (prize money), Jan 01, 2024, $*****
Highlight: Public

5. SparkCharge

Provider of charging solutions for electric vehicles. The company focused on the development of portable electric vehicle charging points. It provides EV charging solutions for businesses.

Key facts about SparkCharge

Founded Year: 2014
Location: Boston (United States)
Valuation: $*****
Stage: Series A
Total Funding till date: $107M
Employee Count: 55 as on Apr 20, 2024
Investors: Flucas Ventures, SVB and 28 Others
Latest Funding Round: Series A, May 21, 2025, $*****
Highlight: Editors' Pick

View the full list of portfolio companies

Greentown Labs has invested in 339 companies over the last 10 years, with an average of 1 new investment annually in the last 10 years. Its most recent first time investment was in Ari.

Here are Greentown Labs' Year-on-Year Investment Trends:

Year	No. of Investments
Year	1^st Round	Follow-on	Total
2026 (YTD)	0	0	0
2025	0	0	0
2024	0	0	0
2023	0	0	0
2022	1	0	1
2021	0	0	0
2020	1	0	1
2019	3	0	3
2018	1	0	1
2017	1	0	1

View all investments by Greentown Labs

Greentown Labs has made 4 investments in Seed stage with an average round size of $50K, 3 investments in Grant (prize money) stage with an average round size of $25K and 1 investment in Series A stage.

Here are Greentown Labs' investments by stage:

Stage of entry	No. of Investments
Seed	4
Grant (prize money)	3
Series A	1

Note: We have considered here, only first round of investments

View all investments by Greentown Labs

Greentown Labs has a diverse portfolio, with companies operating in the Environment Tech, Sustainability Tech, Energy Tech, Enterprise Applications and High Tech. Notably, it has invested in 223 Enterprise (B2B) companies, 210 Tech companies, 98 Tech hardware companies and at least 81 companies focusing on Software.

Here are Greentown Labs' investments by sector:

Sector	No. of Investments
Environment Tech	5
Sustainability Tech	5
Energy Tech	4
Enterprise Applications	4
High Tech	4
Others	8

Note: We have considered here, only first round of investments

View all investments by Greentown Labs

Greentown Labs has made most investments in United States (8).

View all investments by Greentown Labs

Greentown Labs has not made any investment in 2026 so far.

Here are the most recent investments by Greentown Labs:

Filter this list

Date	Company	Location	Round Details	Round Amount	Co-Investors
Mar 22, 2022	Ari	United States	Seed	4480	-
Sep 08, 2020	Sensai Analytics	United States	Grant (prize money)	6600	Schneider Electric
Nov 12, 2019	Corumat	United States	Grant (prize money)	8382	BASF
Oct 24, 2019	Hyperframe	United States	Series A	1628	-
Jun 26, 2019	Inovues	United States	Grant (prize money)	7299	CertainTeed [+1]

See more recent investments made by Greentown Labs

Greentown Labs has 1 unicorn in its portfolio - Form Energy. The most recent unicorn in their portfolio is Form Energy which became a unicorn in 2022, 3 years before Greentown Labs first invested in it.

Here is a list of unicorns in Greentown Labs' portfolio:

Filter this list

Tracxn Score	Company	Short Description	Founded year	Sector	Location	Company Stage	First Investment/ Acquisition Details
71	Form Energy	Clean energy technology platform developing long-duration iron-air battery systems	2017	Energy Tech [+2]	Somerville	Series F	bwuyvfe

View more details about unicorns in Greentown Labs' portfolio

15 of Greentown Labs' portfolio companies have become public. Fervo Energy got listed on the National Association of Securities Dealers Automated Quotations (NASDAQ), in May 2026 at marketcap of $7.45B and Sweetgreen got listed on the New York Stock Exchange (NYSE) at marketcap of $3B.

Here are Greentown Labs' portfolio companies that went public:

Filter this list

Company	IPO Date	First Invested on	First Round of Investment	Round Size
Fervo Energy	May 13, 2026	-	-	3354
Sweetgreen	Nov 18, 2021	-	-	5767
Advent	Dec 26, 2018	-	-	2313
ABTC	Jun 17, 2016	-	-	3590
Kornit	Apr 02, 2015	-	-	8804

View more details about public companies in Greentown Labs' portfolio

21 companies from Greentown Labs' portfolio have been acquired. The most recent acquisition was Alloy Enterprises in May 2026 by Johnson Controls for $*****.

Here are Greentown Labs' portfolio companies that got acquired most recently:

Filter this list

Company	Acquisition Date	First Invested on	First Round of Investment	Round Size
Alloy Enterprises	May 13, 2026	-	-	2680
Bodhi	Mar 31, 2026	-	-	2915
Ambient Fuels	Sep 08, 2025	-	-	7908
QD Solar	Jun 18, 2024	-	-	5852
PurposeEnergy	Apr 12, 2023	-	-	1771

View all acquired companies in Greentown Labs' portfolio

Greentown Labs has a team of 62 members including 17 Partners and 11 Principals located in United States and United Kingdom. Greentown Labs' team does not sit on the board of any company as of now.

Here is a list of top team members in Greentown Labs:

Name	Designation	Location	Board Memberships	Contact Details
Bobby Tudor	Partner	Houston	-	1 Email, 1 Phone number
Adam Rein	Partner	Boston	-	1 Email
Mitch Tyson	Partner	Boston	-	-
Jennifer Daloisio	Partner	Boston	-	-
Timmeko Moore Love	Partner	Houston	-	-
Nidhi Thakar	Partner	Washington, DC	-	-
Leah Ellis	Partner	-	-	-
Katherine Hamilton	Partner	-	-	-
John Hitt	Partner	-	-	-
Suzanne Oakley	Partner	-	-	-
Jacqueline Hedberg	Partner	-	-	1 Email

View team details of Greentown Labs

Over the past 10 years, 26 investors have co-invested in Greentown Labs's portfolio companies. This includes funds and angels.

Invested before Greentown Labs: Cleantech Open, Central Texas Angel Network and 1 other have invested in rounds before Greentown Labs. There is 1 company where Cleantech Open has invested before Greentown Labs and 1 company where Central Texas Angel Network has invested before Greentown Labs.
Top Co-investors of Greentown Labs: 4 investors entered a company along with Greentown Labs. These include investors like CertainTeed (1 company).
Invested after Greentown Labs: A total of 19 investors have invested in Greentown Labs's portfolio after their investments. Top Investors include UP.Partners (1 company) and National Grid Partners (1 company).