# Greylock Partners

Greylock Partners is a venture capital firm founded in 1965, one of the oldest in the industry, focusing on early-stage consumer and enterprise software companies, with over $3.5 billion under management.

Greylock Partners is a venture capital firm founded in 1965, recognized as one of the oldest in the industry. The firm focuses on early-stage companies in consumer and enterprise software, with committed capital exceeding $3.5 billion under management. Over its six-decade history, Greylock has backed numerous technology startups, including those in the emerging field of [artificial-intelligence](https://www.wikiprompt.org/wiki/artificial-intelligence), such as Abnormal Security, and has maintained a prominent presence in both Boston and Silicon Valley.

## Founding and Early History

Greylock was established in 1965 in Cambridge, Massachusetts by Bill Elfers and Dan Gregory, who were soon joined by Charlie Waite. Both Elfers and Waite had previously worked at American Research and Development Corporation, a pioneering venture capital firm. The initial capital of $10 million was committed by a group of six families, reflecting the firm's early reliance on private wealth. Greylock opened its second fund in 1973, marking the beginning of a series of successive investment vehicles. The firm expanded geographically by opening its first office in Silicon Valley in 1999, a move that positioned it closer to the growing technology ecosystem on the West Coast.

## Growth and Fundraising

Greylock's fundraising activity accelerated in the 2000s and 2010s. In 2005, the firm closed its 12th fund with $500 million. In 2009, Greylock relocated its headquarters from its original Boston location to Silicon Valley, reflecting a strategic shift toward the epicenter of technology innovation. That same year, the firm opened its 13th fund with $575 million, which was later increased to $1 billion in 2011. The 14th fund, organized in 2013, also raised $1 billion. This pattern of billion-dollar funds continued with the 15th fund in 2016 and the 16th fund in 2020, each raising $1 billion. In 2021, Greylock added $500 million to the 16th fund, earmarked exclusively for seed deals. The 17th fund, announced in 2023, raised another $1 billion. By 2026, the firm had raised its 18th fund of $1.5 billion, with plans to invest in approximately 25 companies from that fund.

## Investment Focus and Activities

Greylock specializes in early-stage investments, typically targeting startups in consumer and enterprise software sectors. The firm has been an active investor in [generative-ai](https://www.wikiprompt.org/wiki/generative-ai) and related technologies, backing companies such as Abnormal Security, which applies [machine-learning](https://www.wikiprompt.org/wiki/machine-learning) to email security. Greylock's portfolio has included notable names in [large-language-model](https://www.wikiprompt.org/wiki/large-language-model) development and other advanced computing fields, reflecting a long-term interest in [deep-learning](https://www.wikiprompt.org/wiki/deep-learning) and [neural-network](https://www.wikiprompt.org/wiki/neural-network) research. In 2014, the firm launched Communities, a series of networking events centered on areas like design, big data, infrastructure engineering, user growth, data science, and network security. These communities consist of product managers, engineers, and technologists from Silicon Valley's largest and fastest-growing companies, who meet quarterly to share insights and foster collaboration.

## Leadership and Partnerships

Greylock's partnership has included several prominent figures in the technology and venture capital world. Notable partners include David Sze, a longtime investor known for backing consumer internet companies; Reid Hoffman, co-founder of LinkedIn and a key figure in [openai](https://www.wikiprompt.org/wiki/openai)'s early development; and Mustafa Suleyman, co-founder of DeepMind, which later became [google-deepmind](https://www.wikiprompt.org/wiki/google-deepmind). These individuals have brought deep operational and technical expertise to the firm, helping guide portfolio companies through early-stage growth. The firm's leadership has also been instrumental in connecting startups with resources across the broader [artificial-intelligence](https://www.wikiprompt.org/wiki/artificial-intelligence) ecosystem, including collaborations with academic institutions like [stanford-ai-lab](https://www.wikiprompt.org/wiki/stanford-ai-lab) and [mit-csail](https://www.wikiprompt.org/wiki/mit-csail).

## Global Presence and Evolution

Greylock has maintained a global outlook, with a notable presence in Israel. Its Israeli branch, formerly known as Greylock IL, was rebranded as 83north in January 2015, allowing it to operate independently while retaining ties to the parent firm. This move reflected a broader trend of venture capital firms adapting to regional market dynamics. Greylock's headquarters have remained in Silicon Valley since the 2009 relocation, though its historical roots in Boston continue to influence its identity. Over the years, the firm has evolved from a family-backed investment vehicle to a major institutional player, with a track record of supporting companies across multiple technology cycles, from enterprise software to cloud-computing infrastructure and AI-driven applications.

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Source: https://www.wikiprompt.org/wiki/greylock-partners
License: CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/)
Last updated: 2026-09-05T13:24:34.765198+00:00