Andreessen Horowitz
Andreessen Horowitz is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz and based in Menlo Park, California. It funds startups across the entire lifecycle, from seed to growth, with a broad focus on software and technology-enabled businesses. The firm backs companies in software, cloud infrastructure, digital platforms, data storage, and mobile and Internet services, as well as sectors at the intersection of technology with life sciences, such as bio healthcare and computational medicine. Its investments span artificial intelligence, fintech, consumer and enterprise software, crypto and blockchain, cybersecurity, and related infrastructure. Through strategic guidance and a hands-on approach, the firm aims to help portfolio companies scale and innovate.
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Past deals in Publishing
Turpentine
Acquisition in 2025
Turpentine is a media company that operates a network of podcasts, newsletters, and digital platforms. It produces independent audio and written content, covering a wide range of topics including technology, business, culture, and emerging trends. The company aims to provide unique perspectives and in-depth analysis, catering to professionals, researchers, and individuals seeking insights beyond mainstream coverage.
Carry1st
Series B in 2023
Carry1st is a full-stack publisher of mobile social games and interactive content focused on frontier markets, particularly Africa. Founded in 2018, it handles publishing, distribution, localization, user acquisition, marketing, monetization, and customer experience for partner games, enabling developers to reach new audiences through global studios. The company operates with a global team across multiple countries and collaborates with leading studios to grow its portfolio in untapped markets. It has raised capital from notable investors, including Riot Games and others, to fund growth and partnerships.
Post News
Seed Round in 2022
Post News is a platform that publishes news and encourages independent writers.
Substack
Series B in 2021
Substack operates a subscription-based publishing platform that enables writers to create, publish, and monetize newsletters. The platform supports both free and paid subscriptions and allows content to be published to a reader email list and a website. It includes editing tools and templates to design newsletters and handles subscriber payments, aiming to simplify monetization and direct engagement between writers and readers. Substack focuses on selling subscriptions without advertisements, helping independent writers build audience relationships and revenue streams. The company was founded in 2017 and is based in San Francisco, California.
Substack
Series A in 2019
Substack operates a subscription-based publishing platform that enables writers to create, publish, and monetize newsletters. The platform supports both free and paid subscriptions and allows content to be published to a reader email list and a website. It includes editing tools and templates to design newsletters and handles subscriber payments, aiming to simplify monetization and direct engagement between writers and readers. Substack focuses on selling subscriptions without advertisements, helping independent writers build audience relationships and revenue streams. The company was founded in 2017 and is based in San Francisco, California.
Medium
Series C in 2016
Medium is a social publishing platform that enables writers to publish articles and reach readers through a built-in distribution network. The service provides simple creation tools and a personalized feed, allowing readers to follow people and topics and engage by highlighting, recommending, or commenting on posts. Founded in 2012 by Evan Williams and headquartered in San Francisco, Medium brings together engineers, editors, and creators to blend technology with storytelling. It supports a wide range of topics, from technology and politics to culture and personal development, fostering a community-driven environment where ideas can be shared and discussed.
Medium
Series B in 2015
Medium is a social publishing platform that enables writers to publish articles and reach readers through a built-in distribution network. The service provides simple creation tools and a personalized feed, allowing readers to follow people and topics and engage by highlighting, recommending, or commenting on posts. Founded in 2012 by Evan Williams and headquartered in San Francisco, Medium brings together engineers, editors, and creators to blend technology with storytelling. It supports a wide range of topics, from technology and politics to culture and personal development, fostering a community-driven environment where ideas can be shared and discussed.
Series G in 2015
Pinterest is a visual discovery and bookmarking platform headquartered in San Francisco that enables users to find inspiration and ideas across categories such as recipes, home and fashion, travel, and more. The service presents visual recommendations based on user interests and allows saving images on thematic boards, following others, and sharing ideas. It operates as a social media platform focused on product and idea discovery, with a global user base of more than 500 million monthly active users, two-thirds of whom are female. It was founded in 2008 and generates revenue primarily through digital advertising.
Series G in 2015
Pinterest is a visual discovery and bookmarking platform headquartered in San Francisco that enables users to find inspiration and ideas across categories such as recipes, home and fashion, travel, and more. The service presents visual recommendations based on user interests and allows saving images on thematic boards, following others, and sharing ideas. It operates as a social media platform focused on product and idea discovery, with a global user base of more than 500 million monthly active users, two-thirds of whom are female. It was founded in 2008 and generates revenue primarily through digital advertising.
Series F in 2014
Pinterest is a visual discovery and bookmarking platform headquartered in San Francisco that enables users to find inspiration and ideas across categories such as recipes, home and fashion, travel, and more. The service presents visual recommendations based on user interests and allows saving images on thematic boards, following others, and sharing ideas. It operates as a social media platform focused on product and idea discovery, with a global user base of more than 500 million monthly active users, two-thirds of whom are female. It was founded in 2008 and generates revenue primarily through digital advertising.
Series E in 2013
Pinterest is a visual discovery and bookmarking platform headquartered in San Francisco that enables users to find inspiration and ideas across categories such as recipes, home and fashion, travel, and more. The service presents visual recommendations based on user interests and allows saving images on thematic boards, following others, and sharing ideas. It operates as a social media platform focused on product and idea discovery, with a global user base of more than 500 million monthly active users, two-thirds of whom are female. It was founded in 2008 and generates revenue primarily through digital advertising.
Series D in 2013
Pinterest is a visual discovery and bookmarking platform headquartered in San Francisco that enables users to find inspiration and ideas across categories such as recipes, home and fashion, travel, and more. The service presents visual recommendations based on user interests and allows saving images on thematic boards, following others, and sharing ideas. It operates as a social media platform focused on product and idea discovery, with a global user base of more than 500 million monthly active users, two-thirds of whom are female. It was founded in 2008 and generates revenue primarily through digital advertising.
Tugboat Yards
Venture Round in 2012
Tugboat Yards is a company that develops tools designed to assist media publishers in expanding their reach, managing operations, monetizing content, and retaining their most valuable audiences. It operates an online platform that facilitates digital publishers in discovering and engaging with their fans while establishing diverse revenue streams. The platform allows publishers to create tailored offers, including personalized experiences, ongoing subscriptions, and both digital and physical goods. By providing these resources, Tugboat Yards aims to enhance the relationship between publishers and their supporters, ultimately fostering sustainable growth in the digital media landscape.
Series C in 2012
Pinterest is a visual discovery and bookmarking platform headquartered in San Francisco that enables users to find inspiration and ideas across categories such as recipes, home and fashion, travel, and more. The service presents visual recommendations based on user interests and allows saving images on thematic boards, following others, and sharing ideas. It operates as a social media platform focused on product and idea discovery, with a global user base of more than 500 million monthly active users, two-thirds of whom are female. It was founded in 2008 and generates revenue primarily through digital advertising.
Hyperink
Venture Round in 2011
Hyperink, Inc. is a self-publishing platform based in San Francisco, California, that enables individuals to publish eBooks across various categories, including biographies, self-help, technology, and more. Founded in 2010, the company offers services such as cover design, layout, and customer support to streamline the publishing process for users. Hyperink's platform allows writers and bloggers to curate and compile their existing content into cohesive books, transforming blogs and articles into published works. The company distributes its eBooks through its own website as well as other online retailers, aiming to democratize the publishing process and empower individuals to share their knowledge and stories with a wider audience.
Series B in 2011
Pinterest is a visual discovery and bookmarking platform headquartered in San Francisco that enables users to find inspiration and ideas across categories such as recipes, home and fashion, travel, and more. The service presents visual recommendations based on user interests and allows saving images on thematic boards, following others, and sharing ideas. It operates as a social media platform focused on product and idea discovery, with a global user base of more than 500 million monthly active users, two-thirds of whom are female. It was founded in 2008 and generates revenue primarily through digital advertising.
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