About Ithaka Partners
Ithaka Partners is a venture capital firm founded in 2014. It is primarily based out of Boca Grande, United States. As of Sep 2020, Ithaka Partners has invested in 14 companies. It primarily invests in Series A round in United States based startups. Its investments are spread across a wide range of sectors from Life Sciences to Energy Tech and High Tech. Most recently it participated in the $***** Series A round of Aqua Medical Overall, Ithaka Partners portfolio has seen 2 IPOs and 2 acquisitions including key companies like CarGurus, Kate Farms and Capnia. A lot of funds co-invest with Ithaka Partners, with names like David Roux sharing a substantial percentage of its portfolio. Ithaka Partners has team of 2 people including 1 partners.Key Metrics
Team Members
Portfolio Count
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Series A
Portfolio Acquisitions
Portfolio Soonicorns
Ithaka Partners' List of Top Investments
Ithaka Partners has a portfolio of 14 companies. Their most notable investmentis in Aqua MedicalTheir portfolio spans across and United States. They have invested in Life Sciences, Energy Tech, High Tech and 10 other sectors, across stages such as Series A stage. Here is the list of top investments by Ithaka Partners:1. CarGurus
Online retailer of used and new cars with financing options. The platform provides tools for comparing vehicles, estimating loan payments, and finding dealerships. It offers vehicle reviews, buying guides, and resources for selling cars. The site also provides vehicle history reports and deal ratings.
Key facts about CarGurus
- Founded Year: 2006
- Location: Cambridge (United States)
- Annual Revenue: $907M as on Dec 31, 2025
- Stage: Public
- Total Funding till date: $1.75M
- Employee Count: 1,381 as on Mar 31, 2026
- Investors: Vitruvian Partners, Ithaka Partners and 1 Other
- Latest Funding Round: Series A, Aug 16, 2017, $*****
- Highlight: Public

2. Kate Farms
Provider of plant-based nutrition drinks. The company offers plant-based drinks for adults and children that are designed for improved tolerance with organic ingredients including pea protein for digestion, phytonutrients, and prebiotic fiber. The product is claimed to be prepared from dairy-free, gluten-free, and soy-free ingredients such as brown rice syrup, organic sunflower oil, and pea proteins.
Key facts about Kate Farms
- Founded Year: 2012
- Location: Santa Barbara (United States)
- Stage: Acquired
- Total Funding till date: $183M
- Employee Count: 255 as on Mar 31, 2026
- Investors: Goldman Sachs Investment Partners, Pac-West Telecomm and 21 Others
- Latest Funding Round: Series C, Sep 19, 2022, $*****
- Highlight: Acquired
Developer of sustainable solid-state batteries. Its various applications, including electric vehicles, homes, and critical infrastructure. Its battery technology is designed to be safe, sustainable, and scalable.
Key facts about Factorial Energy
- Founded Year: 2013
- Location: Woburn (United States)
- Stage: Series D
- Total Funding till date: $244M
- Employee Count: 125 as on Mar 31, 2026
- Investors: North Sky Capital, YX Capital and 16 Others
- Latest Funding Round: Series D, Jan 07, 2026, $*****
- Highlight: Editors' Pick
4. TAXIS Pharma
Biotech combating antimicrobial resistance through innovative therapies and novel mechanisms. The company is dedicated to eliminating the threat of current and emergent antimicrobial resistance across a wide range of infectious diseases. They are researching new classes of anti-resistance agents that employ novel mechanisms of action, focusing on disrupting the foundation of bacterial cell wall architecture. Their approach targets the very foundation of bacterial survival, dismantling cellular infrastructure and disrupting mechanisms that fuel antimicrobial resistance. They are developing therapies to combat antimicrobial resistance, going beyond traditional methods. Their pipeline includes FtsZ Inhibitors, Efflux Pump Inhibitors (EPIs), and Dihydrofolate Reductase Inhibitors (DHFRIs). They aim to enhance existing antibiotics by inhibiting efflux pumps in multidrug-resistant bacteria. Their research and development efforts are supported by grants and aim to provide a robust defense against future resistance.
Key facts about TAXIS Pharma
- Founded Year: 2009
- Location: Monmouth Junction (United States)
- Stage: Series B
- Total Funding till date: $7.58M
- Employee Count: 34 as on Mar 31, 2026
- Investors: CARB-X, NIH and 2 Others
- Latest Funding Round: Grant (prize money), May 28, 2025, $*****
- Highlight: Editors' Pick
5. Capnia
Capnia provides diagnostics and therapeutics products for chronic diseases. It is involved in developing novel therapeutic products using its proprietary medical gas delivery system. Its technology platform Sensalyze enables non-invasive detection of analytes in exhaled breath. CoSense End-Tidal Carbon Monoxide (ETCO) , their first product, is a portable, non-invasive device that rapidly measures carbon monoxide in the exhaled breath of newborns. It is in Phase II-B clinical trials and is designed for the treatment of acute migraines and related symptoms. Its other product Serenz is a hand-held device that is designed to provide rapid relief from the symptoms related to allergies.
Key facts about Capnia
- Founded Year: 1999
- Location: Redwood City (United States)
- Annual Revenue: $1.45M as on Dec 31, 2016
- Stage: Public
- Total Funding till date: $38.5M
- Employee Count: 17 as on Mar 31, 2026
- Investors: Aspire Capital, Vivo Capital and 5 Others
- Latest Funding Round: Post IPO, Sep 2016, $*****
- Highlight: Public
Ithaka Partners' Year-on-Year Investment Trends
Its most recent first time investment was in Aqua Medical.Ithaka Partners' Investments by Stage
Ithaka Partners has made 2 investments in Series A stage with an average round size of $28M.Ithaka Partners' Investments by Sector
Ithaka Partners has a diverse portfolio, with companies operating in the Food and Agriculture Tech, High Tech, Life Sciences and Sustainability Tech. Notably, it has invested in 9 Tech companies, 8 Enterprise (B2B) companies, 4 Tech hardware companies and 2 companies focusing on Consumer (B2C).Sector | No. of Investments |
|---|---|
Food and Agriculture Tech | 1 |
High Tech | 1 |
Life Sciences | 1 |
Sustainability Tech | 1 |
Note: We have considered here, only first round of investments
Ithaka Partners' Investments by Geography
Ithaka Partners has made most investments in United States (2).Ithaka Partners' recent investments
Ithaka Partners has not made any investment in 2026 so far.Here are the most recent investments by Ithaka Partners:
Date | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Sep 01, 2020 | United States | Series A | 1566 | [+1] | |
Jan 27, 2020 | United States | Series A | 2150 | [+9] |
IPOs and Publicly Listed companies in Ithaka Partners' Portfolio
2 of Ithaka Partners' portfolio companies have become public. CarGurus got listed on the National Association of Securities Dealers Automated Quotations (NASDAQ), in Oct 2017 at marketcap of $1.68B and Capnia got listed on the National Association of Securities Dealers Automated Quotations (NASDAQ) at marketcap of $42.1M.Here are Ithaka Partners' portfolio companies that went public:
Company | IPO Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Oct 12, 2017 | - | - | 8934 | |
Nov 13, 2014 | - | - | 8291 |
Acquired companies in Ithaka Partners' Portfolio
2 companies from Ithaka Partners' portfolio have been acquired. The most recent acquisition was Kate Farms in May 2025 by Danone for $*****.Here are Ithaka Partners' portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
May 12, 2025 | Jan 27, 2020 | Series A | 8005 | |
Jun 25, 2019 | - | - | 2308 |
Team profile of Ithaka Partners
Ithaka Partners has a team of 2 members located in United States. Ithaka Partners' team does not sit on the board of any company as of now.Co-investors of Ithaka Partners
Over the past 6 years, 18 investors have co-invested in Ithaka Partners's portfolio companies. This includes funds and angels.
- Top Co-investors of Ithaka Partners: 12 investors entered a company along with Ithaka Partners. These include investors like David Roux (1 company).
- Invested after Ithaka Partners: A total of 6 investors have invested in Ithaka Partners's portfolio after their investments. Top Investors include Pac-West Telecomm (1 company), Novo Holdings (1 company) and Kaiser Permanente Ventures (1 company).
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