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Venrock Management, LLC
	Venrock logo
Company type	Limited liability company
Industry	Venture capital
Founded	1969; 56 years ago
Founder	Laurance Rockefeller
Headquarters	Palo Alto, California, United States
Products	Investments
Website	venrock.com

Venrock (portmanteau of Venture and Rockefeller) is an American venture capital firm formed in 1969 to build upon the successful investing activities of the Rockefeller family^[1] that began in the late 1930s. It has offices in Palo Alto, California, New York City, and Boston, Massachusetts.

History

Venture capitalist Laurance S. Rockefeller (1910–2004) was the fourth of the six children of John D. Rockefeller Jr. In January 1946 he formed Rockefeller Brothers, Inc., one of the first postwar venture-capital operations, starting with a capitalization of $1.5 million. There were eight partners in all, the five brothers and their sister, Abby, and two non-family members, Harper Woodward and MIT scientist Ted Walkowicz. In 1969, the firm became known as Venrock.^[2] Laurance S. Rockefeller became an investor in enterprises based on science and technology. His investment interests included the fields of aviation, aerospace, electronics, high temperature physics, composite materials, optics, lasers, data processing, thermionics, and nuclear power.^{[citation needed]}

Venrock closed its seventh fund in July 2014 with 8 partners and its eighth fund in January 2017 with 15 partners, each fund totalling $450 million.^[3]^[4]

Investments

Venrock invested more than $2.5 billion in more than 440 companies, resulting in 125 initial public offerings.^{[citation needed]} Venrock focuses its investments on early-stage and start-up companies in information technology, healthcare and emerging technologies. These include: Intel, Apple,^[1] AppNexus, Astranis, StrataCom, Check Point Software, Dapper Labs, DoubleClick, 3Com Corporation, Mosaic, PGP, Itek, Digex, Interos,^[5] Shape Security, Phoenix, Second Rotation (gazelle), RedSeal, CTERA Networks, and Juno Therapeutics. It also has a significant venture in the nascent nanotechnology field, with early funding of Nanosys and the nanotech division of Du Pont.^[6] Others include BioTime.^[7]^[8]