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Hummer Winblad Venture Partners
Hummer Winblad Venture Partners, founded by Ann Winblad and John Hummer in 1989, is the first VC firm dedicated solely to software, backing over 150...
Hummer Winblad Venture Partners
Hummer Winblad Venture Partners was founded in 1989 by Ann Winblad and John Hummer, establishing what is widely recognized as the first venture capital firm dedicated solely to software investing. The firm's founding thesis — that software would become the dominant driver of business efficiency — predated the category's mainstream acceptance and shaped a concentrated, thesis-driven approach. The firm invests primarily at Series A and Series B, targeting enterprise software companies with defensible technology and recurring revenue models. Asset-class focus spans enterprise software, AI/ML, cybersecurity, digital health, and fintech. Known portfolio positions include Netscape Communications (IPO 1995), Hyperion Solutions (acquired by Oracle, 2007), Liquid Audio (IPO 1999), and more recent investments in companies such as CloudHealth Technologies (acquired by VMware, 2018) and Dome9 (acquired by Check Point, 2018). Geographically, the firm primarily deploys in the United States, with a particular concentration in the San Francisco Bay Area. The firm's deployment activity has moderated in recent years relative to the 1990s and early 2000s, but it continues to lead or co-lead early rounds. The firm maintains a lean team structure, with a small number of managing directors and partners. No additional offices or adjacent philanthropic vehicles are publicly disclosed. In the last 24 months, public record shows the firm has remained active in follow-on rounds for existing portfolio companies, though no new fundraise has been announced. A structural differentiator is Hummer Winblad's uncompromised focus on software — a mandate set at founding and maintained for over three decades. Unlike generalist venture firms that span life sciences, hardware, or consumer internet, Hummer Winblad explicitly excludes non-software deals. This discipline, paired with the firm's stringent emphasis on capital-efficient, founder-aligned business models, creates a sourcing and evaluation posture distinct from larger multi-stage firms.
General information
Firm type
Asset Manager
Year founded
1989
AUM
Undisclosed
Location
Region
North America
Country
United States
City
San Francisco
Corporate office
San Francisco, CA, United States
Principals
Ann Winblad
Co-Founder and Managing Director
John Hummer
Co-Founder and Managing Director
Sector focus
Frequently asked questions
Who runs investment decisions at Hummer Winblad?
Co-founders Ann Winblad and John Hummer remain active managing directors and sit on the investment committee. The firm's small partnership structure means investment decisions are made by the managing directors collectively.
How does Hummer Winblad source proprietary deal flow?
The firm's long history in enterprise software gives it deep relationships with founders, executives, and industry technologists. Winblad has cultivated a network spanning decades, which generates repeat referrals and pre-empted deal flow.
Is Hummer Winblad structured as a single family office or a venture firm?
Hummer Winblad is structured as a traditional venture capital firm, not a family office. It was founded as an independent partnership and has raised institutional capital from limited partners including endowments, foundations, and pension funds.
Does Hummer Winblad participate in fund commitments or only direct deals?
The firm does direct venture investments. It does not publicly disclose any fund-of-funds or allocation to external managers.
What investment stages does Hummer Winblad typically target?
The firm focuses on Series A and Series B rounds, typically leading or co-leading. It looks for capital-efficient business models where a concentrated investment can achieve meaningful ownership.
Which sectors does Hummer Winblad explicitly avoid?
The firm avoids non-software sectors entirely, including life sciences, hardware, cleantech, and direct consumer internet. It has maintained this focus since 1989 (public record).
Where does the underlying wealth come from?
Hummer Winblad is not a family office and does not manage wealth for any single family. Its capital comes from institutional LPs. Winblad and Hummer are reported to have personal wealth from their successful software careers and venture returns, but the firm's capital base is not family-originated.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
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