About Nidus Partners
Nidus Partners is a venture capital firm founded in 2010. It is primarily based out of St. Louis, United States. As of 2013, Nidus Partners has invested in 6 companies. It primarily invests in Seed round in United States based startups. Its investments are spread across a wide range of sectors from Food and Agriculture Tech to Environment Tech and Enterprise Applications. Most recently it participated in the $***** Seed round of Thermaquatica Nidus Partners has team of 5 people including 1 partners.Key Metrics
Team Members
Portfolio Count
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Seed
Nidus Partners' List of Top Investments
Nidus Partners has a portfolio of 6 companies. Their most notable investments are in X-tend Energy and Electrochaea.Their portfolio spans across United States and Germany. They have invested in Food and Agriculture Tech, Environment Tech, Enterprise Applications and 5 other sectors, across stages such as Seed stage. Here is the list of top investments by Nidus Partners:1. Electrochaea
Developer of biomethanation technology converting carbon dioxide into synthetic methane. This process utilizes methanogenic archaea to transform green hydrogen and carbon dioxide into renewable gas. The resulting product serves as a substitute for fossil gas and can be injected into existing distribution networks or converted into liquid fuel. The technology operates under mild process conditions and supports the integration of renewable energy sources into gas infrastructure.
Key facts about Electrochaea
- Founded Year: 2010
- Location: Germany
- Stage: Series D
- Total Funding till date: $40.9M
- Employee Count: 34 as on Aug 31, 2026
- Investors: b2venture, Matterwave Ventures and 17 Others
- Latest Funding Round: Grant (prize money), Nov 01, 2022, $*****
- Highlight: Editors' Pick
2. GlucanBio
Manufacturer of disc springs, Belleville washers, and other precision metal components. It produces a wide variety of spring types, including wave washers, serrated washers, and lock washers. The company also manufactures other precision sheet metal components and stampings. Its products serve diverse industries, such as railways, power generation, and aerospace. Manufacturing processes emphasize modern methods and technologies to ensure high-quality output.
Key facts about GlucanBio
- Founded Year: 2012
- Location: St. Louis (United States)
- Stage: Seed
- Total Funding till date: $100K
- Investors: The Yield Lab, National Science Foundation and 2 Others
- Latest Funding Round: Grant (prize money), Jun 12, 2017, $*****
Developer of oxidative hydrothermal dissolution technology converting organic waste biomass. This process utilizes heat, water, and oxygen to transform plant-based waste materials into a water-soluble liquid containing sequestered carbon. The resulting solution is injected into geological formations deep underground for long-term storage. This methodology aims to reduce atmospheric carbon levels by repurposing organic matter into a stable form for permanent disposal.
Key facts about Thermaquatica
- Founded Year: 2010
- Location: Carbondale (United States)
- Stage: Seed
- Employee Count: 3 as on Aug 31, 2026
- Investors: Nidus Partners
- Latest Funding Round: Seed, 2013, $*****
X-tend Energy’s innovation is optimized for the lithium rich manganese-based cathode chemistry developed at Argonne National Laboratory. They develop and commercializes proprietary synthesis technologies for producing ultra-high-performance Lithium-ion cathode materials to address the limiting issues of cost and performance for electric vehicle batteries.
Key facts about X-tend Energy
- Founded Year: 2011
- Location: St. Louis (United States)
- Stage: Deadpooled
- Investors: St. Louis Economic Development Partnership, Missouri Technology and 2 Others
- Latest Funding Round: Seed, $*****
5. Nexmatix
Nexmatix is a pneumatic valve company with an innovative new technology. Their ISO valves typically use 20-40% less compressed air than conventional directional control valves as per company and their valves are tested and rated energy efficient than Festo valve by Oak Ridge National Laboratory. With on-board electronics and sensors, Nexmatix valves can collect data for analytics on pneumatic systems, including leak detection. Their products can be bought at online store integrated with their company site.
Key facts about Nexmatix
- Founded Year: 2011
- Location: Louisiana (United States)
- Stage: Deadpooled
- Investors: National Science Foundation, PJM Advisors and 2 Others
- Latest Funding Round: Grant (prize money), Apr 13, 2016, $*****
Nidus Partners' Investments by Stage
Nidus Partners has made 3 investments in Seed stage with an average round size of $250K.Nidus Partners' Investments by Sector
Nidus Partners has a diverse portfolio, with companies operating in the Energy, Sustainability Tech, Chemicals and Materials Tech, Energy Tech and Environment. Notably, it has invested in 6 Enterprise (B2B) companies, 4 Tech companies and 2 Software companies.Sector | No. of Investments |
|---|---|
Energy | 2 |
Sustainability Tech | 2 |
Chemicals and Materials Tech | 1 |
Energy Tech | 1 |
Environment | 1 |
Others | 2 |
Note: We have considered here, only first round of investments
Nidus Partners' Investments by Geography
Nidus Partners has made most investments in United States (2), followed by Germany where it has made 1 investment.Country | No. of Investments |
|---|---|
United States | 2 |
Germany | 1 |
Note: We have considered here, only first round of investments
Nidus Partners' recent investments
Nidus Partners has not made any investment in 2026 so far.Here are the most recent investments by Nidus Partners:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
2013 | United States | Seed | 9949 | - | |
2012 | United States | Seed | 1600 | - | |
Aug 12, 2011 | Germany | Seed | 9727 | - | |
- | United States | Seed | 7926 | - |
Team profile of Nidus Partners
Nidus Partners has a team of 5 members including 1 Partner and 4 Venture Partners located in United States and Germany. Nidus Partners' team does not sit on the board of any company as of now.Here is a list of all team members in Nidus Partners:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | Munich | - | ||
Venture Partner | - | - | - | |
Venture Partner | - | - | - | |
Venture Partner | St. Louis | - | - | |
Venture Partner | - | - | - |
Co-investors of Nidus Partners
Over the past 15 years, 16 investors have co-invested in Nidus Partners's portfolio companies. This includes funds and angels.
- Invested after Nidus Partners: A total of 16 investors have invested in Nidus Partners's portfolio after their investments. Top Investors include Europa (1 company), Baker Hughes (1 company) and Energie 360 (1 company).
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