ORR Partners
VC Fund
Reston, United States
ORR Partners is a VC fund in Reston focused on Linux and Solar. Established in 1988, Orr Partners has evolved into one of the largest growing, privately owned development firms in the Washington, DC metropolitan area. In addition to ownership roles and development for its own account, the firm manages real estate development for corporate, retail, institutional and mixed-use clients.Orr Partners™ extensiveportfolio includes properties that are developed for long-term occupancy and use, and represent a forward-thinking outlook on design, functionality and the economic needs of our communities.
- Total investments:
- 5
- Last investment:
- Lead investor:
- 20%
Last updated:
For AI agents: llms.txt
Industries ORR Partners invests in
Stages ORR Partners invests in
Countries ORR Partners invests in
Round sizes
Round size
- Series A
- $4.6M–$12M
- Series B
- $8.3M–$23M
Investment Focus
Industry
- Linux 1 (20%)
- Solar 1 (20%)
- Energy 1 (20%)
- Mobile 1 (20%)
- Security 1 (20%)
Stage
- Series A 2 (40%)
- Series B 2 (40%)
- Series C 1 (20%)
Country
- United States 3 (60%)
- Israel 1 (20%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| QualiSystems develops and markets software test automation solutions for telecom equipment, network services, and embedded system testing. Its TestShell software framework optimizes device and systems testing while reducing testing time and overhead efforts. The framework covers the entire testing cycle with GUI based test editor, automatedparallel test execution, vendor agnostic integration to existing test equipment, automated topology set up, resources scheduling, lab management, and reporting and analysis capabilities. It was founded in 2004 and headquartered in Santa Clara, California.The company headquarters and expert R&D team are located in Israel. Direct Sales and Customer Support centers are held in United States, United Kingdom, Singapore, China, Germany, Korea and Taiwan. Partner representatives are held across EMEA, APAC and North America. The company was founded in 2004 as Nibea Quality Management Solutions and changed its name to QualiSystems Ltd. in March 2007. | $22.5M / Series C / Dec 11, 2018 | ||
| Dome9 is the leading cloud firewall management service.Their patent-pending security automation creates a strong, front-line defense that stops zero-day vulnerabilities and exploits, secures remote access, and centralizes policy management.Available for the enterprise and hosting providers, Dome9 automates security policy management for cloud,dedicated, and Virtual Private Servers (VPS). Their sophisticated security management platform controls Amazon EC2 & VPC Security Groups, as well as any OpenStack, CloudStack, Eucalyptus, and VMware vCloud-based private and public clouds.Dome9 is headquartered in Tel Aviv, Israel, with U.S. offices in San Mateo, Calif., and is backed by Opus Capital Ventures. | $8.3M / Series B / Oct 01, 2015 | ||
| SolarEdge Technologies, a global leader in the DC power optimizer market. The company provides module-level electronics for solar power harvesting and monitoring systems for residential, commercial and utility-scale solar photovoltaic installers. The SolarEdge portfolio of products includes power optimizers and a web portal for module-leveloptimization and monitoring, as well as PV inverters, specialized to work with power optimizers. SolarEdge envisions that every solar module will be individually managed by DC-DC module-level electronics, accelerating the pace towards grid parity and making clean energy affordable.Founded in 2006, SolarEdge established the DC power optimizer segment and is leading it with over 70% market share. By Q4 2012, SolarEdge has shipped over 1,600,000 power optimizers to more than 40 countries worldwide. With strategic partnerships across the PV value-chain from module manufacturers to integrators, SolarEdge installations can be found in five continents. | $23M / Series B / Feb 28, 2009 | ||
| SolarEdge Technologies, a global leader in the DC power optimizer market. The company provides module-level electronics for solar power harvesting and monitoring systems for residential, commercial and utility-scale solar photovoltaic installers. The SolarEdge portfolio of products includes power optimizers and a web portal for module-leveloptimization and monitoring, as well as PV inverters, specialized to work with power optimizers. SolarEdge envisions that every solar module will be individually managed by DC-DC module-level electronics, accelerating the pace towards grid parity and making clean energy affordable.Founded in 2006, SolarEdge established the DC power optimizer segment and is leading it with over 70% market share. By Q4 2012, SolarEdge has shipped over 1,600,000 power optimizers to more than 40 countries worldwide. With strategic partnerships across the PV value-chain from module manufacturers to integrators, SolarEdge installations can be found in five continents. | $11.8M / Series A / Nov 30, 2007 | ||
AdventEnna
|
Adventenna, Inc. manufactures and markets mobile communication systems and related wireless products. The company is based in Santa Clara, California. | $4.6M / Series A / Jun 25, 2007 |
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FAQ
What does ORR Partners invest in?
ORR Partners invests primarily in Linux, Solar and Energy startups, most often at Series A and Series B stage. Most of the 5 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is ORR Partners's check size?
ORR Partners typically joins rounds of $4.6M–$12M at Series A and $8.3M–$23M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds ORR Partners participates in.
When did ORR Partners last invest?
The most recent investment recorded for ORR Partners closed in Dec 2018. Shizune tracks 5 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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