About Acorn Innovestments
Acorn Innovestments is a venture capital firm located in Durham, United States. As of Jan 2016, Acorn Innovestments has invested in 5 companies. It primarily invests in Seed round in United States based startups. Its investments are spread across a wide range of sectors from Enterprise Applications to Real Estate and Construction Tech and High Tech. Most recently it participated in the $***** Unattributed round of PLUSfoam Overall, Acorn Innovestments portfolio has seen 1 acquisition, namely PlotWatt. Noel Group co-invest with Acorn Innovestments, sharing a substantial percentage of its portfolio. Acorn Innovestments has team of 1 people including 1 partners.Key Metrics
Team Members
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Seed, Series A & 1 more
Portfolio Acquisitions
Portfolio Soonicorns
Acorn Innovestments' List of All Investments
Acorn Innovestments has a portfolio of 5 companies. Their most notable investments are in Tethis and PlotWatt.Their portfolio spans across and United States. They have invested in Enterprise Applications, Real Estate and Construction Tech, High Tech and 6 other sectors, across stages such as Seed, Series A and 1 more. Here is the list of all investments by Acorn Innovestments:
1. Biomason
Provider of low-carbon cement materials for the construction sector. The products include proprietary manufacturing processes and materials used by users for incorporation in existing facilities or on-site manufacturing.
Key facts about Biomason
- Founded Year: 2012
- Location: Raleigh (United States)
- Valuation: $*****
- Stage: Series C
- Total Funding till date: $104M
- Employee Count: 58 as on Aug 31, 2026
- Investors: Celesta Capital, Novo Holdings and 10 Others
- Latest Funding Round: Grant (prize money), Apr 24, 2025, $*****
- Highlight: Editors' Pick
2. PlotWatt
PlotWatt provides a platform for analyzing real-time electricity data. Its cloud-based algorithms analyze smart meter data to figure out appliance level energy cost for the individual appliances. They partner with restaurants, utilities and smart grid providers to help energy savings.
Key facts about PlotWatt
- Founded Year: 2008
- Location: Durham (United States)
- Stage: Acquired
- Total Funding till date: $4.71M
- Employee Count: 5 as on Aug 31, 2026
- Investors: AME Cloud Ventures, Felicis Ventures and 4 Others
- Latest Funding Round: Grant (prize money), Mar 17, 2016, $*****
- Highlight: Acquired
3. WasteZero
Key facts about WasteZero
- Founded Year: 1991
- Location: Raleigh (United States)
- Stage: Series B
- Total Funding till date: $27.1M
- Employee Count: 59 as on Aug 31, 2026
- Investors: Acorn Innovestments, Double Time Capital and 2 Others
- Latest Funding Round: Conventional Debt, Mar 26, 2020, $*****
4. Tethis
Manufacturer of plant-based absorbent materials. It develops and markets plant-based and biodegradable absorbent foams and powders using commodity feedstock, brine waste, and hazardous wastes. It also uses a process that converts simple carbohydrates like cornstarch into high-value products.
Key facts about Tethis
- Founded Year: 2012
- Location: Raleigh (United States)
- Stage: Series C
- Total Funding till date: $28.2M
- Employee Count: 3 as on Aug 31, 2026
- Investors: Hatteras Venture Partners, First Flight Venture Center and 2 Others
- Latest Funding Round: Series C, Apr 07, 2018, $*****
5. PLUSfoam
Key facts about PLUSfoam
- Founded Year: 2009
- Location: Newport Beach (United States)
- Stage: Deadpooled
- Total Funding till date: $1M
- Investors: Noel Group and Acorn Innovestments
- Latest Funding Round: Unattributed, Jan 20, 2016, $*****
Acorn Innovestments' Investments by Stage
Acorn Innovestments has made 2 investments in Seed stage with an average round size of $775K, 1 investment in Series A stage with an average round size of $3M and 1 investment in Unattributed stage.Stage of entry | No. of Investments |
|---|---|
Seed | 2 |
Series A | 1 |
Unattributed | 1 |
Note: We have considered here, only first round of investments
Acorn Innovestments' Investments by Sector
Acorn Innovestments has a diverse portfolio, with companies operating in the Sustainability Tech, Environment Tech, High Tech, Real Estate and Construction Tech and Chemicals and Materials Tech. Notably, it has invested in 3 Enterprise (B2B) companies, 3 Tech companies, 1 Saas company and at least 1 company focusing on Social impact.Sector | No. of Investments |
|---|---|
Sustainability Tech | 3 |
Environment Tech | 2 |
High Tech | 2 |
Real Estate and Construction Tech | 2 |
Chemicals and Materials Tech | 1 |
Others | 6 |
Note: We have considered here, only first round of investments
Acorn Innovestments' Investments by Geography
Acorn Innovestments has made most investments in United States (4).Acorn Innovestments' recent investments
Acorn Innovestments has not made any investment in 2026 so far.Here are the most recent investments by Acorn Innovestments:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Jan 20, 2016 | United States | Unattributed | 7451 | ||
Sep 2013 | United States | Seed | 4566 | - | |
Feb 06, 2013 | United States | Seed | 6683 | - | |
Jul 06, 2012 | United States | Series A | 8676 |
Acquired companies in Acorn Innovestments' Portfolio
1 company from Acorn Innovestments' portfolio has been acquired. The most recent acquisition was PlotWatt in Nov 2018 by AmericanEfficient for $*****.Here are Acorn Innovestments' portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Nov 18, 2018 | Jul 06, 2012 | Series A | 9870 |
Team profile of Acorn Innovestments
Acorn Innovestments has a team of 1 member located in United States. Acorn Innovestments' team does not sit on the board of any company as of now.Co-investors of Acorn Innovestments
Over the past 14 years, 13 investors have co-invested in Acorn Innovestments's portfolio companies. This includes only funds.
- Invested before Acorn Innovestments: Cherokee Challenge, Green Challenge and 1 other have invested in rounds before Acorn Innovestments. There is 1 company where Cherokee Challenge has invested before Acorn Innovestments and 1 company where Green Challenge has invested before Acorn Innovestments.
- Top Co-investors of Acorn Innovestments: Noel Group entered a company along with Acorn Innovestments.
- Invested after Acorn Innovestments: A total of 9 investors have invested in Acorn Innovestments's portfolio after their investments. Top Investors include NCBiotech (1 company), National Science Foundation (1 company) and America’s Seed Fund (1 company).
Recent News related to Acorn Innovestments
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PLUSfoam® Secures Investment to Build US Manufacturing Facilities - Outdoor Industry AssociationOutdoorindustry•PLUSfoam, Acorn Innovestments, Noel Group
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Pando: Home Efficiency Startup PlotWatt Raises $3 Million Pando•PlotWatt, Felicis Ventures, Acorn Innovestments
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White Oak's Innovestment Portfolio | Acorn InnovestmentsAcorn Innovestments•Biomason, Acorn Innovestments
