Spark Capital
Spark Capital is a venture capital firm founded in 2005 and based in San Francisco with offices in Boston and New York. It invests in startups across the United States, spanning early-stage to growth opportunities, focusing on software, internet, media, consumer products and services, fintech, and information technology. The firm backs companies across sectors such as software-as-a-service, digital media, online platforms, and technology-driven consumer products, often supporting ventures at the intersection of entertainment and technology, e-commerce, and education technology. It typically makes investments from formative rounds up to larger growth rounds, and seeks to take a board seat in portfolio companies to help guide strategy and growth. Notable investments include Twitter, Discord, Anthropic, Cruise, Niantic, Oculus, Warby Parker, and Tumblr, illustrating a history of backing influential products and teams.
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Past deals in News
Underdog Fantasy
Series C in 2025
Underdog Fantasy is an online daily fantasy sports platform that offers Pick'em games and esports projections. It provides a fantasy football application for drafting lineups, enabling users to compete and earn rewards through tournaments and authorized sports wagering. The company also operates a media network featuring former professional athletes, coaches, analysts, and up‑to‑date sports news.
Sidewire
Seed Round in 2015
Sidewire, Inc. is an online platform founded in 2014 and based in San Francisco, California. The company was established by Tucker Bounds, a former national spokesman for John McCain's 2008 presidential campaign, and Andy Bromberg, a Stanford University dropout. Sidewire connects newsmakers with readers, focusing on political news analysis. Its platform facilitates communication among political journalists and experts, enabling them to efficiently distribute and manage their online content. By providing a space for in-depth discussions and insights, Sidewire aims to enhance readers' understanding of significant political events and issues.
X (formerly Twitter)
Series F in 2010
Twitter is a social networking platform that facilitates the exchange of micro-blogs, known as "tweets," which can be up to 280 characters in length. Launched in 2006, it allows users to send and read tweets through various means, including web browsers, SMS, and mobile applications. With over 400 million monthly visitors and 255 million active users, Twitter serves as a global real-time communications platform. Its diverse user base includes world leaders, athletes, entertainers, and news organizations, contributing to its role as a significant source of information and engagement. The platform is available in more than 35 languages and has a strong presence in major cities worldwide, with headquarters in San Francisco and offices across the United States and internationally.
X (formerly Twitter)
Series D in 2009
Twitter is a social networking platform that facilitates the exchange of micro-blogs, known as "tweets," which can be up to 280 characters in length. Launched in 2006, it allows users to send and read tweets through various means, including web browsers, SMS, and mobile applications. With over 400 million monthly visitors and 255 million active users, Twitter serves as a global real-time communications platform. Its diverse user base includes world leaders, athletes, entertainers, and news organizations, contributing to its role as a significant source of information and engagement. The platform is available in more than 35 languages and has a strong presence in major cities worldwide, with headquarters in San Francisco and offices across the United States and internationally.
X (formerly Twitter)
Series C in 2009
Twitter is a social networking platform that facilitates the exchange of micro-blogs, known as "tweets," which can be up to 280 characters in length. Launched in 2006, it allows users to send and read tweets through various means, including web browsers, SMS, and mobile applications. With over 400 million monthly visitors and 255 million active users, Twitter serves as a global real-time communications platform. Its diverse user base includes world leaders, athletes, entertainers, and news organizations, contributing to its role as a significant source of information and engagement. The platform is available in more than 35 languages and has a strong presence in major cities worldwide, with headquarters in San Francisco and offices across the United States and internationally.
X (formerly Twitter)
Series B in 2008
Twitter is a social networking platform that facilitates the exchange of micro-blogs, known as "tweets," which can be up to 280 characters in length. Launched in 2006, it allows users to send and read tweets through various means, including web browsers, SMS, and mobile applications. With over 400 million monthly visitors and 255 million active users, Twitter serves as a global real-time communications platform. Its diverse user base includes world leaders, athletes, entertainers, and news organizations, contributing to its role as a significant source of information and engagement. The platform is available in more than 35 languages and has a strong presence in major cities worldwide, with headquarters in San Francisco and offices across the United States and internationally.
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