Who Owns Tumblr?
Updated onExplore the ownership hierarchy of Tumblr. See parent companies, holding structures, and ultimate controllers.
Ownership Chain
Tumblr
Tumblr is a microblogging and social networking platform where users create and share multimedia posts and follow community blogs.
Starts at $0
Automattic
Automattic is a private American company that develops WordPress.com and other web publishing and commerce products.
Tumblr
Tumblr is a microblogging and social networking platform where users create and share multimedia posts and follow community blogs.
Starts at $0
Automattic
Automattic is a private American company that develops WordPress.com and other web publishing and commerce products.
Major Shareholders
Tumblr
Major Shareholders
| Name | Type | Ownership | Voting | As of |
|---|---|---|---|---|
Automattic Inc. Automattic acquired Tumblr from Verizon Media in 2019 and is consistently identified as Tumblr’s parent company, with no public evidence of other direct equity holders. | Corporate | 100.0% | 100.0% | Oct 2025 |
Automattic
Major Shareholders
| Name | Type | Ownership | Voting | As of |
|---|---|---|---|---|
Matt Mullenweg Co‑founder of WordPress and founder/CEO of Automattic. As founder and long‑time CEO he is widely viewed as the company’s largest individual shareholder and retains effective control over Automattic’s direction, but neither he nor the company publicly disclose exact ownership or voting percentages. Some third‑party commentary has estimated his stake in the 40–50% range, which remains unconfirmed. | Founder | — | — | Mar 2025 |
Salesforce Ventures (Salesforce, Inc.) Corporate venture arm of Salesforce. Lead and sole investor in Automattic’s $300M Series D round in September 2019 at a roughly $3B valuation, giving it a significant minority stake; it continues to be listed as an institutional investor in later profiles. Exact percentage ownership and voting rights are not publicly disclosed. | Corporate | — | — | Dec 2025 |
Tiger Global Management New York–based investment firm and one of Automattic’s largest outside investors. Bought about $50M of secondary shares from early investors and employees in 2013 and later led or participated in the 2013 Series B and 2014 $160M Series C rounds. A 2013 post by Matt Mullenweg notes Tiger significantly increased its stake and that earlier lead investor Polaris remained a major but reduced shareholder. Current percentage ownership is not publicly disclosed. | Institutional | — | — | Dec 2025 |
True Ventures Early‑stage venture firm that invested in Automattic’s 2008 Series B and 2014 Series C rounds and is repeatedly listed among its key institutional backers. True partner Toni Schneider has been on Automattic’s board since 2006 and served as CEO from 2006–2014, underscoring True’s role as a long‑standing significant shareholder. Exact stake and voting rights are not publicly disclosed. | Institutional | — | — | Dec 2025 |
Insight Partners Global growth‑equity firm that first invested in Automattic’s $160M Series C round in 2014 and is cited among the company’s primary outside investors in later funding summaries. Insight partner Deven Parekh has been named by Automattic among notable board participants, indicating a substantial but undisclosed minority stake. | Institutional | — | — | Dec 2025 |
Polaris Partners Venture firm that led Automattic’s 2006 Series A and 2008 Series B rounds. Matt Mullenweg has written that Polaris was Automattic’s largest investor and second‑largest shareholder for many years before Tiger Global bought most of its position in a 2013 secondary transaction, after which Polaris retained roughly one‑third of its original stake. Current percentage after later dilution is not publicly disclosed. | Institutional | — | — | Dec 2025 |
Iconiq Capital Family‑office/venture firm that participated in Automattic’s 2014 Series C and subsequent secondary and Series E financings, and is routinely listed among the company’s larger later‑stage investors. Exact economic and voting stakes are not disclosed publicly. | Institutional | — | — | Dec 2025 |
Endurance International Group (now part of Newfold Digital) Web‑hosting and online‑services company that took part in Automattic’s $160M Series C financing in 2014, acquiring a minority stake. Third‑party venture databases continue to list Endurance as an institutional investor, but current percentage and any changes since its acquisition into Newfold Digital are not publicly detailed. | Corporate | — | — | Dec 2025 |
The New York Times Company Media company that acquired an early minority stake in Automattic through participation in the 2008 Series B round and is still cited in investor overviews as an institutional shareholder. Public sources do not clarify whether its full original position is still held after later secondary sales and funding rounds, nor the current size of its stake. | Corporate | — | — | Dec 2025 |
Automattic employees and former employees (A12 stockholders) Current and former staff hold A12 shares, a special internal class of Automattic stock that carries economic rights but no voting rights. Automattic has run the A12 program since 2016; on October 7, 2024 every employee received a grant of 200 A12 shares, and employees can continue to buy and sell A12 in scheduled internal liquidity windows. The company has not disclosed what percentage of total equity this class represents. | Other | — | 0.0% | Oct 2024 |
BlackRock, Inc. Global asset manager that invested in Automattic’s 2021 Series E round. In 2024 regulatory filings BlackRock marked down the valuation of its Automattic stake; CEO Matt Mullenweg stated on X (as reported by TechCrunch) that BlackRock owns about 0.6% of Automattic and holds no voting rights, implying its position is in a non‑voting share class. | Institutional | 0.6% | 0.0% | Sep 2024 |
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