About Impact Science Ventures
Impact Science Ventures is a venture capital firm founded in 2021. It is primarily based out of San Francisco, United States. As of Apr 2026, Impact Science Ventures is an active investor, having invested in 13 companies, with 1 new investment in the last 12 months. It primarily invests in Series A round in United States based startups. Its investments are spread across a wide range of sectors from High Tech to Environment Tech and Energy Tech. Most recently it participated in the $***** Series B round of Sepion Technologies Overall, Impact Science Ventures portfolio has seen 1 unicorn, namely Fervo Energy. A lot of funds co-invest with Impact Science Ventures, with names like Breakthrough Energy sharing a substantial percentage of its portfolio. Impact Science Ventures has team of 13 people including 1 partners.Key Metrics
Team Members
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Series A, Seed & 1 more
Portfolio Unicorns
Portfolio Soonicorns
Deals in last 12 months
Impact Science Ventures' List of Top Investments
Impact Science Ventures has a portfolio of 13 companies, one of which is a Unicorn. Their most notable investments are in Sun Metalon and AirMyne.Their portfolio spans across United States and Japan. They have invested in High Tech, Environment Tech, Energy Tech and 7 other sectors, across stages such as Series A, Seed and 1 more. Here is the list of top investments by Impact Science Ventures:
1. Liminal
Developer of ultrasound and machine learning inspection solutions for batteries. The company provides solutions for cell and process development, factory ramp-up, and high-volume manufacturing. It offers inspection solutions for prismatic, pouch, and cylindrical cells across all chemistries. The company’s platform delivers insights including electrolyte saturation quality, defect detection, and cell uniformity analysis.
Key facts about Liminal
- Founded Year: 2015
- Location: Emeryville (United States)
- Stage: Series A
- Total Funding till date: $38.9M
- Employee Count: 64 as on Mar 31, 2026
- Investors: LG Technology Ventures, Impression Ventures and 15 Others
- Latest Funding Round: Series A, Jun 27, 2024, $*****
- Highlight: Editors' Pick
2. Antora
Manufacturer of thermal battery. It stores energy as heat in blocks of solid carbon to power global industry. Its thermophotovoltaic technology converts light from the hot carbon blocks into electricity with no moving parts.
Key facts about Antora
- Founded Year: 2018
- Location: Sunnyvale (United States)
- Stage: Series B
- Total Funding till date: $272M
- Employee Count: 244 as on Mar 31, 2026
- Investors: Temasek, BlackRock and 17 Others
- Latest Funding Round: Series B, Jul 25, 2025, $*****
- Highlight: Editors' Pick
3. Fervo Energy
Developer of next-generation geothermal projects delivering carbon-free energy. It pioneers a new approach to geothermal energy using technologies like horizontal drilling and distributed fiber optic sensing to unlock geothermal resources. It focuses on making geothermal energy a scalable resource and ensures environmental health and safety in its operations. The company aims to decarbonize challenging parts of the electricity sector through geothermal energy.
Key facts about Fervo Energy
- Founded Year: 2017
- Location: San Francisco (United States)
- Stage: Series E
- Total Funding till date: $1.12B
- Employee Count: 225 as on Mar 31, 2026
- Investors: AllianceBernstein, Mitsui and 39 Others
- Latest Funding Round: Conventional Debt, Mar 19, 2026, $*****
- Highlight: Editors' Pick
Key facts about Sepion Technologies
- Founded Year: 2015
- Location: Emeryville (United States)
- Stage: Series B
- Total Funding till date: $28.7M
- Employee Count: 23 as on Mar 31, 2026
- Investors: Gaingels, 11.2 Capital and 18 Others
- Latest Funding Round: Series B, Apr 17, 2026, $*****
5. Brimstone
Manufacturer of cement through the carbon-negative process. The company manufactures low-carbon cement by removing CO2 from the air to produce cement that is identical to common Portland cement. The company is offering solutions to solve climate problems.
Key facts about Brimstone
- Founded Year: 2019
- Location: Oakland (United States)
- Stage: Series A
- Total Funding till date: $60.1M
- Employee Count: 73 as on Mar 31, 2026
- Investors: Fifth Wall, Osage University Partners and 17 Others
- Latest Funding Round: Series A, Mar 11, 2022, $*****
- Highlight: Editors' Pick
Impact Science Ventures' Year-on-Year Investment Trends
Impact Science Ventures has invested in 13 companies over the last 5 years, with an average of 3 new investments annually in the last 5 years. In 2025, it made 2 investments, while as of Apr 2026, it has made 1 investment in this year. Its most recent first time investment was in Still Bright and most recent follow-on round was in Sepion Technologies.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 0 | 1 | 1 |
2025 | 1 | 1 | 2 |
2024 | 5 | 1 | 6 |
2023 | 1 | 1 | 2 |
2022 | 5 | 0 | 5 |
2021 | 1 | 0 | 1 |
Impact Science Ventures' Investments by Stage
Impact Science Ventures has made 7 investments in Series A stage with an average round size of $21.7M, 5 investments in Seed stage with an average round size of $8.6M and 1 investment in Series C stage with an average round size of $138M.Stage of entry | No. of Investments |
|---|---|
Series A | 7 |
Seed | 5 |
Series C | 1 |
Note: We have considered here, only first round of investments
Impact Science Ventures' Investments by Sector
Impact Science Ventures has a diverse portfolio, with companies operating in the High Tech, Sustainability Tech, Energy Tech, Chemicals and Materials Tech and Environment Tech. Notably, it has invested in 11 Tech companies, 10 Enterprise (B2B) companies, 3 Software companies and at least 2 companies focusing on Social impact.Sector | No. of Investments |
|---|---|
High Tech | 8 |
Sustainability Tech | 6 |
Energy Tech | 4 |
Chemicals and Materials Tech | 3 |
Environment Tech | 3 |
Others | 8 |
Note: We have considered here, only first round of investments
Impact Science Ventures' Investments by Geography
Impact Science Ventures has made most investments in United States (13), followed by Japan where it has made 1 investment.Country | No. of Investments |
|---|---|
United States | 13 |
Japan | 1 |
Note: We have considered here, only first round of investments
Impact Science Ventures' recent investments
Impact Science Ventures has made 1 investments in 2026 so far - Sepion Technologies.Here are the most recent investments by Impact Science Ventures:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Apr 17, 2026 | United States | Series B | 2527 | ||
Dec 04, 2025 | United States | Series E | 4597 | [+23] | |
Jul 31, 2025 | United States | Seed | 2903 | [+4] | |
Oct 22, 2024 | United States | Seed | 9249 | [+4] | |
Oct 21, 2024 | United States | Seed | 7975 | [+4] |
Unicorns in Impact Science Ventures' Portfolio
Impact Science Ventures has 1 unicorn in its portfolio - Fervo Energy. The most recent unicorn in their portfolio is Fervo Energy which became a unicorn in 2025, 2 years after Impact Science Ventures first invested in it.Here is a list of unicorns in Impact Science Ventures' portfolio:
Tracxn Score | Company | Short Description | Founded year | Sector | Location | Company Stage | First Investment/ Acquisition Details |
|---|---|---|---|---|---|---|---|
65 | Developer of next-generation geothermal projects delivering carbon-free energy | 2017 | San Francisco | Series E | zbbkbus |
Team profile of Impact Science Ventures
Impact Science Ventures has a team of 13 members located in United States. Impact Science Ventures' team does not sit on the board of any company as of now.Co-investors of Impact Science Ventures
Over the past 5 years, 157 investors have co-invested in Impact Science Ventures's portfolio companies. This includes funds and angels.
- Invested before Impact Science Ventures: National Science Foundation, America’s Seed Fund and 25 others have invested in rounds before Impact Science Ventures. There are 3 companies where National Science Foundation has invested before Impact Science Ventures and 3 companies where America’s Seed Fund has invested before Impact Science Ventures.
- Top Co-investors of Impact Science Ventures: 75 investors entered a company along with Impact Science Ventures. These include investors like Breakthrough Energy (2 companies).
- Invested after Impact Science Ventures: A total of 55 investors have invested in Impact Science Ventures's portfolio after their investments. Top Investors include ArcTern Ventures (1 company), Northvolt (1 company) and Ecosystem Integrity Fund (1 company).
Recent News related to Impact Science Ventures
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Sepion Technologies Raises $10M in Series B FundingFinSMEs•Apr 17, 2026•Syensqo, W. L. Gore & Associates, Sepion Technologies, Impact Science Ventures and 4 others
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Still Bright Raises $18.7 Million in Seed Round for Vanadium-Based Copper Extraction Techstartuplog.com•Jul 31, 2025•Still Bright, Fortescue, Breakthrough Energy, Azolla Ventures and 3 others
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SirenOpt raises $6.6m to develop materials measurement techEvertiq•Jul 26, 2024•Courtyard Ventures, Impact Science Ventures, Climate Capital, Climate Club and 7 others
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GRO Biosciences Closes $60M Series B Financing Co-Led by Atlas Venture and Access BiotechnologyBusiness Wire•Jul 19, 2024•GRO Biosciences, Atlas Venture, Access Industries, Bayer and 17 others
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Aepnus Technology Raises $8M in Seed FundingFinSMEs•Jun 14, 2024•Aepnus, Clean Energy Ventures, Lowercarbon Capital, Impact Science Ventures and 2 others
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Aepnus wants to create a circular economy for key battery manufacturing materialsTechCrunch+•Jun 13, 2024•Aepnus, Clean Energy Ventures, Gravity, Impact Science Ventures and 3 others
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AirMyne Raises $6.9M in Seed FundingFinSMEs•Mar 21, 2024•AirMyne, Y Combinator, Alumni Ventures, Liquid 2 Ventures and 4 others
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Fervo Energy gets $244 million to meet demand for clean energy with geothermalImpactAlpha•Mar 04, 2024•Fervo Energy, Elemental, Galvanize Climate Solutions, Impact Science Ventures and 3 others
