About Navigator Technology Ventures
Navigator Technology Ventures is a venture capital firm founded in 2000. It is primarily based out of Cambridge, United States. As of Oct 2007, Navigator Technology Ventures has invested in 7 companies. It primarily invests in Series B 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 Consumer. Most recently it participated in the $***** Series B round of HistoRx Overall, Navigator Technology Ventures portfolio has seen 3 acquisitions, namely HistoRx. A lot of funds co-invest with Navigator Technology Ventures, with names like Common Angels sharing a substantial percentage of its portfolio.Key Metrics
Navigator Technology Ventures' List of Top Investments
Navigator Technology Ventures has a portfolio of 7 companies. Their most notable investmentis in PolnoxTheir portfolio spans across United States and United Kingdom. They have invested in Enterprise Applications, Real Estate and Construction Tech, Consumer and 7 other sectors, across stages such as Series B, Seed and 1 more. Here is the list of top investments by Navigator Technology Ventures:1. HistoRx
Biomarker solutions and clinical trial testing services for drug development. We are a testing laboratory designing innovative biomarker solutions and customized validations for clinical development. Our technology-agnostic approach ensures the right answers using genomic, flow, digital pathology, and ligand binding analysis methods across drug development and manufacturing. We deliver impactful results, informing treatment decisions, establishing pharmacodynamic understanding, and determining manufacturing product suitability. We partner with clients, offering targeted solutions, end-to-end support, and quality oversight to mitigate regulatory risks. Our expertise helps determine the best platform for intended use, aligning analytical methods with patient populations. We offer services in the therapeutic areas.
Key facts about HistoRx
- Founded Year: 2001
- Location: Branford (United States)
- Stage: Acquired
- Total Funding till date: $13.3M
- Investors: Roche, Commons Capital and 6 Others
- Latest Funding Round: Series B, May 25, 2011, $*****
- Highlight: Acquired
2. Aircuity
Central air monitoring solutions for energy consumption management. Its products include a portable air monitoring system known as OptimaTM, which was developed in collaboration with environmental health engineering, the primary research contractor for the EPA’s Indoor Environments Division.
Key facts about Aircuity
- Founded Year: 2000
- Location: Newton (United States)
- Stage: Series C
- Total Funding till date: $40.9M
- Employee Count: 37 as on May 31, 2026
- Investors: CCM Group, Rivas Capital and 10 Others
- Latest Funding Round: Series C, Apr 03, 2015, $*****
3. Polnox
Polnox manufactures industrial additives. The main offering of the company includes bio-oils, bio-lubricants lubricants and fuels, plastics, polyolefins, polypropylene, etc. These have applications in paints, adhesives, waxes, greases, transformer oils, hydraulic fluids, etc.
Key facts about Polnox
- Founded Year: 2004
- Location: Lowell (United States)
- Stage: Seed
- Total Funding till date: $1.3M
- Employee Count: 3 as on May 31, 2026
- Investors: DOE, National Science Foundation and 4 Others
- Latest Funding Round: Grant (prize money), Jul 01, 2022, $*****
4. Tizor
Tizor Systems provides enterprise data auditing and protection solutions for monitoring and reporting data activity in the data center, databases, file servers, and mainframe applications. It offers Mantra, a network-based data auditing and protection solution that enables compliance assurance, data security, and privacy by providing data auditing, data discovery, audit reporting, theft detection, real-time alerting, and data protection. The company also offers support, education, and consulting services. Tizor Systems, Inc. was founded in 2002 and is based in Maynard, Massachusetts.
Key facts about Tizor
- Founded Year: 2002
- Location: Maynard (United States)
- Stage: Acqui-Hired
- Total Funding till date: $23.3M
- Investors: Dot Edu Ventures, Converge and 6 Others
- Latest Funding Round: Series B, Feb 12, 2008, $*****
5. Sionex
The company commercialized MEMS based chemical and biological sensor chips with a proprietary detection technology. The patented technology was exclusively licensed from The Charles Stark Draper Laboratory. It was closed down in 2010.
Key facts about Sionex
- Founded Year: 2001
- Location: Bedford (United Kingdom)
- Stage: Deadpooled
- Total Funding till date: $28.4M
- Employee Count: 7 as on Apr 30, 2026
- Investors: In-Q-Tel, Dow Chemical Company and 4 Others
- Latest Funding Round: Series C, Apr 24, 2006, $*****
Navigator Technology Ventures' Investments by Stage
Navigator Technology Ventures has made 4 investments in Series B stage with an average round size of $6.78M, 2 investments in Seed stage with an average round size of $1.3M and 1 investment in Series A stage with an average round size of $3.6M.Stage of entry | No. of Investments |
|---|---|
Series B | 4 |
Seed | 2 |
Series A | 1 |
Note: We have considered here, only first round of investments
Navigator Technology Ventures' Investments by Sector
Navigator Technology Ventures has a diverse portfolio, with companies operating in the Enterprise Applications, Semiconductors, Consumer, Energy and Energy Tech. Notably, it has invested in 6 Enterprise (B2B) companies, 6 Tech companies, 3 Software companies and at least 2 companies focusing on Tech hardware.Sector | No. of Investments |
|---|---|
Enterprise Applications | 2 |
Semiconductors | 2 |
Consumer | 1 |
Energy | 1 |
Energy Tech | 1 |
Others | 7 |
Note: We have considered here, only first round of investments
Navigator Technology Ventures' Investments by Geography
Navigator Technology Ventures has made most investments in United States (6), followed by United Kingdom where it has made 1 investment.Country | No. of Investments |
|---|---|
United States | 6 |
United Kingdom | 1 |
Note: We have considered here, only first round of investments
Navigator Technology Ventures' recent investments
Navigator Technology Ventures has not made any investment in 2026 so far.Here are the most recent investments by Navigator Technology Ventures:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Oct 24, 2007 | United States | Series B | 9662 | ||
Aug 27, 2007 | United States | Series B | 8743 | [+1] | |
Dec 07, 2005 | United Kingdom | Series C | 6063 | [+2] | |
Sep 12, 2005 | United States | Series B | 6690 | ||
Jul 25, 2005 | United States | Seed | 9982 |
Acquired companies in Navigator Technology Ventures' Portfolio
3 companies from Navigator Technology Ventures' portfolio have been acquired. The most recent acquisition was HistoRx in Sep 2012 by Genoptix for $*****.Here are Navigator Technology Ventures' portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Sep 09, 2012 | Oct 24, 2007 | Series B | 5647 | |
Feb 24, 2009 | Sep 12, 2005 | Series B | 5414 | |
Apr 08, 2004 | Mar 2002 | Seed | 2745 |
Co-investors of Navigator Technology Ventures
Over the past 24 years, 29 investors have co-invested in Navigator Technology Ventures's portfolio companies. This includes funds and angels.
- Invested before Navigator Technology Ventures: IDP Investments and Venture Capital Fund of New England have invested in rounds before Navigator Technology Ventures. There is 1 company where IDP Investments has invested before Navigator Technology Ventures and 1 company where Venture Capital Fund of New England has invested before Navigator Technology Ventures.
- Top Co-investors of Navigator Technology Ventures: 13 investors entered a company along with Navigator Technology Ventures. These include investors like Common Angels (2 companies).
- Invested after Navigator Technology Ventures: A total of 14 investors have invested in Navigator Technology Ventures's portfolio after their investments. Top Investors include HHS (1 company), Sourcesquared Management (1 company) and Rivas Capital (1 company).
Recent News related to Navigator Technology Ventures
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Navigator Technology Ventures announces acquisition of Sand Video by Broadcom | Business WireBusiness Wire•Apr 08, 2004•Sand Video, Navigator Technology Ventures, Common Angels, Baker Capital and 1 other
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The Business Journals•Aircuity, IDP Investments, Venture Capital Fund of New England, Navigator Technology Ventures
