About American River Ventures
American River Ventures is a venture capital firm founded in 2001. It is primarily based out of Roseville, United States. As of Sep 2010, American River Ventures has invested in 12 companies. It primarily invests in Series B round in United States based startups. Its investments are spread across a wide range of sectors from Real Estate and Construction Tech to Semiconductors and Enterprise Applications. Most recently it participated in the $***** Series C round of SynapSense Overall, American River Ventures portfolio has seen 9 acquisitions including key companies like WiSpry, PatientSafe Solutions and SpectraSensors. A lot of funds co-invest with American River Ventures, with names like Blueprint Ventures sharing a substantial percentage of its portfolio. American River Ventures has team of 2 people including 2 partners.Key Metrics
Team Members
Portfolio Count
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Series B, Series A & 2 more
Portfolio Acquisitions
American River Ventures' List of Top Investments
American River Ventures has a portfolio of 12 companies. Their most notable investments are in PlanarMag and KeyEye Communications.Their portfolio spans across and United States. They have invested in Real Estate and Construction Tech, Semiconductors, Enterprise Applications and 7 other sectors, across stages such as Series B, Series A and 2 more. Here is the list of top investments by American River Ventures:1. WiSpry
Wispry is a United States based fabless semiconductor company developing technologies for wireless market. Wispry has successfully achieved convergence of digital, analog, and RF functionality on a single chip by integrating MEMS devices with industry standard RF-CMOS process flows. Wispry technology finds application in consumer electronics products like mobiles, tablets, UMDs, MIDs etc in addition to defense and security usage. Wispry in association with Skytek released worlds first MEMS-Tuned UHF RFID Antenna.
Key facts about WiSpry
- Founded Year: 2002
- Location: Irvine (United States)
- Stage: Acquired
- Total Funding till date: $79.8M
- Employee Count: 10 - 49 as on Mar 01, 2026
- Investors: Western Technology Investment, Docomo Capital and 11 Others
- Latest Funding Round: Series D, Jun 30, 2014, $*****
- Highlight: Acquired
PatientSafe Solutions provides smart point-of-care mobile solutions and innovating technologies enabling accountable care for healthcare organizations. Its flagship product, the PatientTouch System, delivers measureable safety and quality improvement by making care team workflows streamlined. The PatientTouch system transforms care delivery by providing frontline clinicians wireless clinical mobility on a single, intuitive, handheld device that fits in your pocket. The platform runs on a PatientSafe Solutions-designed, developed, and supported device that pairs Apple iOS hardware with enhancements including a high-performance barcode scanner, full-shift battery, and ruggedized hospital-grade jacket. Positive Patient Identification workflows utilize barcode-enabled workflows for medication administration, specimen collection, infant care, and blood product administration. Customizable Care Interventions ensure real time order execution and hospital process/policy instrumentation at the point of care. Communication capabilities allow for real-time care team collaboration and alerting features.
Key facts about PatientSafe Solutions
- Founded Year: 2002
- Location: San Diego (United States)
- Stage: Acquired
- Total Funding till date: $143M
- Employee Count: 10 - 49 as on Mar 01, 2026
- Investors: Integral Capital Partners, Camden Partners and 10 Others
- Latest Funding Round: Series D, Sep 25, 2017, $*****
- Highlight: Acquired
3. Teseda
Silicon debug, failure analysis, and yield enhancement solutions provider, offering expertise in improving silicon performance and reliability. The company focuses on identifying and resolving issues in silicon devices, enhancing overall yield in the manufacturing process. Their services cater to the semiconductor industry, providing tools and methodologies for debugging complex silicon designs. They enable clients to optimize their products, reduce defects, and improve time-to-market. The company's offerings contribute to advancements in semiconductor technology, supporting the development of more efficient and reliable electronic devices. They provide critical support for companies seeking to maximize the performance and quality of their silicon-based products.
Key facts about Teseda
- Founded Year: 2001
- Location: Portland (United States)
- Stage: Series B
- Total Funding till date: $6M
- Investors: PacRim Venture Partners, KT Venture Group and 7 Others
- Latest Funding Round: Series B, Jan 03, 2020, $*****
- Highlight: Editors' Pick
Manufacturer of measurement and automation technology for process and laboratory applications. It provides devices, solutions, and services for various industries, enabling customers to improve product quality, optimize economic operations, and enhance environmental protection. The company offers a wide array of products including flow, level, liquid analysis, optical analysis, pressure, and temperature measurement instruments, as well as software and system products. These offerings support process automation and data acquisition across diverse sectors. Its global reach is facilitated by sales companies and representatives worldwide, ensuring competent support and flexible, high-quality manufacturing across multiple continents. The company's focus is on providing reliable and precise measurement technologies for industrial processes.
Key facts about SpectraSensors
- Founded Year: 1999
- Location: Houston (United States)
- Stage: Acquired
- Total Funding till date: $23.3M
- Employee Count: 93 as on Dec 31, 2013
- Investors: HighGear Ventures, Nomura and 5 Others
- Latest Funding Round: Series C, Jan 29, 2010, $*****
- Highlight: Acquired
KeyEye Communications was a fabless semiconductor company that provided connectivity solutions on structured copper twisted pair cables. It offered 10Gbps Ethernet transceivers that delivered 10GBASE-T connectivity over data centre cable reaches. The company got closed in 2008.
Key facts about KeyEye Communications
- Founded Year: 2001
- Location: Sacramento (United States)
- Stage: Deadpooled
- Total Funding till date: $31M
- Employee Count: 29 as on Apr 30, 2026
- Investors: Western Technology Investment, Menlo Ventures and 3 Others
- Latest Funding Round: Series B, Oct 19, 2006, $*****
American River Ventures' Investments by Stage
American River Ventures has made 6 investments in Series B stage with an average round size of $12M, 4 investments in Series A stage with an average round size of $10.6M, 1 investment in Series C stage with an average round size of $8.8M and 1 investment in Series D stage with an average round size of $23M.Stage of entry | No. of Investments |
|---|---|
Series B | 6 |
Series A | 4 |
Series C | 1 |
Series D | 1 |
Note: We have considered here, only first round of investments
American River Ventures' Investments by Sector
American River Ventures has a diverse portfolio, with companies operating in the Semiconductors, Enterprise Applications, Enterprise Infrastructure, High Tech and Industrial Goods and Manufacturing. Notably, it has invested in 10 Enterprise (B2B) companies, 8 Tech companies, 7 Software companies and at least 6 companies focusing on Tech hardware.Sector | No. of Investments |
|---|---|
Semiconductors | 6 |
Enterprise Applications | 3 |
Enterprise Infrastructure | 2 |
High Tech | 2 |
Industrial Goods and Manufacturing | 2 |
Others | 8 |
Note: We have considered here, only first round of investments
American River Ventures' Investments by Geography
American River Ventures has made most investments in United States (11).American River Ventures' recent investments
American River Ventures has not made any investment in 2026 so far.Here are the most recent investments by American River Ventures:
Date | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Sep 08, 2010 | United States | Series C | 1997 | [+5] | |
Feb 08, 2010 | United States | Series B | 8085 | [+5] | |
Jun 09, 2009 | United States | Series B | 2815 | ||
Apr 07, 2009 | United States | Series C | 5074 | ||
Mar 09, 2009 | United States | Series B | 2127 | [+4] |
Acquired companies in American River Ventures' Portfolio
9 companies from American River Ventures' portfolio have been acquired. The most recent acquisition was SynapSense in May 2023 by Vigilent for $*****.Here are American River Ventures' portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
May 03, 2023 | Sep 10, 2007 | Series B | 6007 | |
Apr 29, 2021 | Feb 08, 2010 | Series B | 2386 | |
May 11, 2015 | Feb 23, 2005 | Series A | 9876 | |
Jun 26, 2012 | Mar 01, 2005 | Series B | 8709 | |
Aug 13, 2010 | Jun 09, 2009 | Series B | 2717 |
Team profile of American River Ventures
American River Ventures has a team of 2 members including 2 Partners located in United States. American River Ventures' team does not sit on the board of any company as of now.Co-investors of American River Ventures
Over the past 24 years, 57 investors have co-invested in American River Ventures's portfolio companies. This includes only funds.
- Invested before American River Ventures: El Dorado Ventures, Walden International and 2 others have invested in rounds before American River Ventures. There is 1 company where El Dorado Ventures has invested before American River Ventures and 1 company where Walden International has invested before American River Ventures.
- Top Co-investors of American River Ventures: 34 investors entered a company along with American River Ventures. These include investors like Blueprint Ventures (3 companies).
- Invested after American River Ventures: A total of 19 investors have invested in American River Ventures's portfolio after their investments. Top Investors include Chart Venture Partners (1 company), Paladin Capital (1 company) and L Capital Partners (1 company).
Recent News related to American River Ventures
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KeyEye Gets $16M, Appoints CEOSilicontap•Oct 19, 2006•KeyEye Communications, Blueprint Ventures, Menlo Ventures, Western Technology Investment and 1 other
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