The Grosvenor Funds

The Grosvenor Funds, established in 1994, is a Washington D.C.-based venture capital firm specializing in early-stage investments across the United States. It primarily focuses on seed, early, and expansion-stage companies, with a preference for those in the technology sector, particularly wireless, healthcare services, and biotechnology. The firm seeks to invest between $1 million to $2 million in initial rounds, providing additional financing in subsequent stages, and often takes a Board seat in its investments. Grosvenor's strategy is to back companies with a sustainable competitive advantage, addressing large markets and demonstrating a clear path to profitability within 18 to 24 months. The firm, led by a team with decades of combined experience, occasionally provides seed financing in exceptional situations.

Douglas Dunnan

Co-Founder and Managing Partner

Bruce B. Dunnan

Co-Founder

Oak Strawbridge

Partner

Bowdoin Train

Managing Partner

21 past transactions

Informous

Venture Round in 2011
Informous, a B2B content marketing platform enabling businesses to reach highly targeted audiences with specific content, generating more informed and qualified leads.

GetWellNetwork

Series C in 2009
GetWellNetwork, Inc. is a Bethesda, Maryland-based company that specializes in developing precision engagement software solutions aimed at enhancing patient involvement in the healthcare process. Founded in 1999 by Michael O’Neil Jr., the company provides a range of interactive tools tailored for hospitals, including the GetWell Patient Care solution, which integrates various resources to activate patient participation. Its offerings encompass digital check-in systems, entertainment options, and personalized education through a library of condition-specific content. The GetWellNetwork platform utilizes predefined workflows, known as Patient Pathways, to deliver educational materials and engage patients in their care journey. This approach facilitates real-time monitoring and documentation of patient progress, enabling healthcare providers to customize experiences based on individual needs. GetWellNetwork primarily serves healthcare providers, pediatric hospitals, and government organizations, striving to improve patient care outcomes through enhanced engagement and education.

Portero

Series B in 2009
Portero is a leading online marketplace specializing in authentic luxury goods, offering a trusted platform for consumers to purchase both new and vintage items. The company focuses on categories such as watches, handbags, jewelry, and accessories, ensuring that all items are certified and guaranteed authentic. Portero facilitates sales through a unified platform that connects certified dealers, vendors, and brands, maintaining the integrity of both the items and the brands represented. With a commitment to enhancing the consumer shopping experience, Portero has expanded beyond its successful auction model to include e-commerce, private member sales, and special event merchandising. The company has demonstrated significant growth, reporting substantial year-over-year revenue increases and projecting continued expansion in the luxury goods market.

DoublePositive

Series B in 2008
DoublePositive Marketing Group, Inc. is a performance-based online marketing company headquartered in Baltimore, Maryland, with additional offices in Tempe, Arizona. Founded in 2004, the company specializes in providing digital advertising solutions tailored for lead buyers, lead sellers, and direct response advertisers. Its offerings include cross-device performance marketing, programmatic advertising, real-time bidding, and live hot transfers. DoublePositive also focuses on lead generation for sectors such as mortgage lending and education, facilitating the direct transfer of leads to call centers. With a commitment to maximizing marketing return on investment, the company employs targeted acquisition strategies and performance-based optimization to enhance clients' profitability and streamline their marketing efforts. As of 2015, DoublePositive operates as a subsidiary of Output Services Group, Inc.

mBeat Media

Angel Round in 2008
mBeat Media, Inc. (“mBeat“) is a leading service provider in the emerging digital media industry. The founding team's deep domain knowledge, is providing premium SMS mobile content aggregation and distribution (ringtones and wallpaper) services and content, primarily focused on the urban market. Through the leadership of its experienced management team has it's many subscribers, using direct-to-consumer advertising via prominent African-American targeted publications and television stations. mBeat was among the first companies to enter the mobile market and developed some of the earliest commercially availible SMS and WAP applications in the US market. The company currently offers downloadable ringtones, wallpaper images, games, and chat services. mBeat markets its services through direct response advertising through it’s flagship brand, UrbMob, www.urbmob.com, and numerous affiliate networks and partners in web, wap, TV, print, radio, and on carrier decks.

Three Stage Media

Series C in 2007
Three Stage Media, Inc. provides online media and marketing solutions for the tradeshow industry. The company focuses on developing online event portals that serve as an online show guide, search engine, and event-planning interface for attendees. It offers eventLeads for tradeshow registration process; eventAds for display media placements within show portals, show-floor kiosks, and e-newsletters; eventVideo that enables users to place custom streaming video news station on supplier microsite within the online event portal; eventMobile, which enables users to connect with on-site attendees; and eventMetrics for pre- and post-show performance reports. The company also provides eventPortal, an online show portal equipped with search engine, attendee event-planning interface, and comprehensive supplier directory; eventMarketing for lead generation, online advertising, search engine marketing, video advertising, and mobile marketing; and eventMetrics that provides data highlighting existing exhibitor performance and the opportunity afforded prospective exhibitors. It serves show organizers, exhibitors, and attendees. Three Stage Media, Inc. was formerly known as BDMetrics, Inc. and changed its name in January, 2009. The company was founded in 2001 and is headquartered in Baltimore, Maryland.

DoublePositive

Venture Round in 2007
DoublePositive Marketing Group, Inc. is a performance-based online marketing company headquartered in Baltimore, Maryland, with additional offices in Tempe, Arizona. Founded in 2004, the company specializes in providing digital advertising solutions tailored for lead buyers, lead sellers, and direct response advertisers. Its offerings include cross-device performance marketing, programmatic advertising, real-time bidding, and live hot transfers. DoublePositive also focuses on lead generation for sectors such as mortgage lending and education, facilitating the direct transfer of leads to call centers. With a commitment to maximizing marketing return on investment, the company employs targeted acquisition strategies and performance-based optimization to enhance clients' profitability and streamline their marketing efforts. As of 2015, DoublePositive operates as a subsidiary of Output Services Group, Inc.

Omeros

Series E in 2007
Omeros Corporation is a Seattle-based biopharmaceutical company that focuses on discovering, developing, and commercializing small-molecule and protein therapeutics targeting inflammation, complement-mediated diseases, and disorders of the central nervous system. The company offers OMIDRIA, a product used during cataract surgery in the United States. Omeros is advancing several clinical programs, including narsoplimab, which is in Phase III trials for conditions such as hematopoietic stem-cell transplant-associated thrombotic microangiopathy and immunoglobulin A nephropathy, as well as Phase II trials for lupus nephritis. Other key programs include OMS405, targeting opioid and nicotine addiction, and OMS527, aimed at treating addiction and movement disorders. The company's preclinical pipeline includes compounds addressing various conditions, such as paroxysmal nocturnal hemoglobinuria and other alternative pathway disorders. Founded in 1994, Omeros is dedicated to addressing both large-market and orphan indications through innovative therapeutic approaches.

Magnolia Broadband

Series E in 2006
Magnolia Broadband, Inc. is a fabless semiconductor company based in Englewood, New Jersey, specializing in wireless communications. Founded in 2000, the company has developed and patented Mobile Transmit Diversity (MTD), a beamforming technology that enhances data throughput and coverage for wireless network operators without requiring changes to existing base stations or infrastructure standards. MTD can be implemented as either a chip or a software-only solution, making it versatile for various applications. Magnolia boasts a comprehensive intellectual property portfolio, including 28 issued patents and 24 pending patents in the U.S., alongside additional patents in international markets. The technology significantly increases spectrum utilization by 40%, improves quality of service for voice and data, and offers a proven gain in uplink performance. Moreover, it extends battery life and reduces emissions, allowing for rapid and cost-effective deployment across multi-band standards and protocols.

DoublePositive

Series B in 2006
DoublePositive Marketing Group, Inc. is a performance-based online marketing company headquartered in Baltimore, Maryland, with additional offices in Tempe, Arizona. Founded in 2004, the company specializes in providing digital advertising solutions tailored for lead buyers, lead sellers, and direct response advertisers. Its offerings include cross-device performance marketing, programmatic advertising, real-time bidding, and live hot transfers. DoublePositive also focuses on lead generation for sectors such as mortgage lending and education, facilitating the direct transfer of leads to call centers. With a commitment to maximizing marketing return on investment, the company employs targeted acquisition strategies and performance-based optimization to enhance clients' profitability and streamline their marketing efforts. As of 2015, DoublePositive operates as a subsidiary of Output Services Group, Inc.

ARPU

Series B in 2006
ARPUinc is a privately held Washington DC-based technology company, focused on enabling a superior advertising and ecommerce experience for consumers, advertisers, and publishers alike. By enhancing the ease of registration and purchase for the consumer, ARPU increases the efficacy of the online channel across all three constituencies. For online advertisers and publishers, ARPU augments the effectiveness of online advertising, thereby significantly driving ROI. With a distribution network that reaches more than 20 million unique visitors per month, ARPU's roster of advertiser and publisher partners spans from PC security and utility software providers to education and entertainment services to PC OEMs and ISPs.

Three Stage Media

Series B in 2006
Three Stage Media, Inc. provides online media and marketing solutions for the tradeshow industry. The company focuses on developing online event portals that serve as an online show guide, search engine, and event-planning interface for attendees. It offers eventLeads for tradeshow registration process; eventAds for display media placements within show portals, show-floor kiosks, and e-newsletters; eventVideo that enables users to place custom streaming video news station on supplier microsite within the online event portal; eventMobile, which enables users to connect with on-site attendees; and eventMetrics for pre- and post-show performance reports. The company also provides eventPortal, an online show portal equipped with search engine, attendee event-planning interface, and comprehensive supplier directory; eventMarketing for lead generation, online advertising, search engine marketing, video advertising, and mobile marketing; and eventMetrics that provides data highlighting existing exhibitor performance and the opportunity afforded prospective exhibitors. It serves show organizers, exhibitors, and attendees. Three Stage Media, Inc. was formerly known as BDMetrics, Inc. and changed its name in January, 2009. The company was founded in 2001 and is headquartered in Baltimore, Maryland.

Qmobile

Series B in 2005
Qmobile is one of the service providers in the emerging digital media industry. Launched in 2003 and leveraging the founding team's deep domain knowledge, Qmobile has delivered compelling entertainment and information services to almost one million mobile phone users across the US, and now has over 350,000 subscribers. The company currently offers downloadable ringtones, wallpaper images and games. It also runs a SMS chat service, and additional services are under development.

Smart System Technologies

Series A in 2004
Smart System Technologies provides merchants with cashless and contactless payment and marketing analytics services. It is based in Irvine, California.

Mobile 365

Series D in 2004
Mobile 365 is the new company formed from the merger of the two leaders in the mobile messaging world: InphoMatch, the leader in interoperable data and messaging services for mobile operators, and Mobileway, the leader in messaging solutions for brands and content providers. It is the global leader in the delivery, billing, and settlement of mobile messaging services. Their extensive footprint enables us to reach more mobile users—with more types of mobile data—than anyone else on the globe. They reliably deliver messages, premium content, and value-added services for the leading mobile operators, content providers, brands, and media companies worldwide.

Appforge

Series B in 2003
AppForge develops products and services for the mobile and wireless industry. Its product portfolio includes CrossFire, a software tool simplifying mobile applications for Symbian, Windows Mobile, RIM BlackBerry, and Palm OS. Crossfire was a software plugin for Visual Basic 6 and for Microsoft Visual Studio .NET. AppForge is based in Atlanta, Georgia.

iMove

Venture Round in 2002
iMove, founded in 1995 and headquartered in Portland, Oregon, specializes in developing visual-scanning hardware specifically for mission-critical security and surveillance applications. The company's focus is on immersive imaging technologies that enhance security operations by facilitating timely, accurate, and actionable decision-making. iMove is recognized for its spherical imaging technologies, which are designed to improve the efficacy of surveillance systems.

Yottabyte NetStorage

Venture Round in 2001
The Yottabyte NetStorage Company.

CODEON

Series D in 2001
CODEON Corporation designs and manufactures state-of-the-art optical components for the fiber optic telecommunications industry.

Pivotech Systems

Venture Round in 2000
Pivotech Systems is a developer of advanced multi-service access platforms tailored for the service provider community. Its flagship product, IntelligentEdge, is a scalable and integrated carrier-grade technology designed to enhance service delivery. This platform eliminates the need for costly CLASS 5 switches at co-location sites and reduces the necessity for back-hauling traffic to centralized switches. By enabling competitive local exchange carriers and integrated communication providers, Pivotech empowers these entities to offer comprehensive managed voice, data, and IP services to small and medium-sized business customers. The company's solutions facilitate the integration of various communication services, streamlining operations and improving efficiency for its clients.

CODEON

Venture Round in 2000
CODEON Corporation designs and manufactures state-of-the-art optical components for the fiber optic telecommunications industry.
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