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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 IPOs
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:
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
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

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

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
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' 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).
Here are Ithaka Partners' investments by sector:
Sector
No. of Investments
Food and Agriculture Tech
1
High Tech
1
Life Sciences
1
Sustainability Tech
1
Breakdown of Ithaka Partners' investments by sectorsFood and Agricult... (1)High 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
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 Partners12 investors entered a company along with Ithaka Partners. These include investors like David Roux (1 company).
  • Invested after Ithaka PartnersA 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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