Venrock

Venrock is a Palo Alto-based venture capital firm founded in 1969 as the venture capital arm of the Rockefeller family. It concentrates on seed and early-stage investments in technology and healthcare, with interests spanning information technology, life sciences and related sectors in the United States. The firm has supported a broad portfolio of companies, including Apple, Intel, Illumina, DoubleClick, Athenahealth, Gilead Sciences, Nest, SlideShare and Tudou. Venrock emphasizes long-term partnerships with entrepreneurs, combining hands-on venture support with rigorous data analysis to help startups grow into enduring companies.

Brian Ascher

Partner

Harry Barber

Investor

Ethan Batraski

Partner

Nick Beim

Partner

Racquel Bracken

Partner

Past deals in Macau

Ironwood Pharmaceuticals

Series F in 2007
Ironwood Pharmaceuticals is a specialty pharmaceutical company focused on gastroenterology therapies. Its lead product is linaclotide, marketed as LINZESS in the United States and CONSTELLA elsewhere, for adults with irritable bowel syndrome with constipation and chronic idiopathic constipation. The company is advancing other GI candidates, including MD-7246, an oral non-opioid pain reliever for abdominal GI pain, and IW 3718, a gastric-retentive bile acid sequestrant in Phase III for GERD. Ironwood pursues collaborations to expand linaclotide’s reach in North America, China, Hong Kong, Macau, and Japan, with agreements involving Allergan and AstraZeneca and a license with Astellas for Japan. It operates an independent subsidiary, Microbia, that develops bioprocesses for pharmaceuticals and related industries. Founded in 1998, Ironwood is headquartered in Massachusetts.

Ironwood Pharmaceuticals

Series E in 2006
Ironwood Pharmaceuticals is a specialty pharmaceutical company focused on gastroenterology therapies. Its lead product is linaclotide, marketed as LINZESS in the United States and CONSTELLA elsewhere, for adults with irritable bowel syndrome with constipation and chronic idiopathic constipation. The company is advancing other GI candidates, including MD-7246, an oral non-opioid pain reliever for abdominal GI pain, and IW 3718, a gastric-retentive bile acid sequestrant in Phase III for GERD. Ironwood pursues collaborations to expand linaclotide’s reach in North America, China, Hong Kong, Macau, and Japan, with agreements involving Allergan and AstraZeneca and a license with Astellas for Japan. It operates an independent subsidiary, Microbia, that develops bioprocesses for pharmaceuticals and related industries. Founded in 1998, Ironwood is headquartered in Massachusetts.

Ironwood Pharmaceuticals

Series D in 2004
Ironwood Pharmaceuticals is a specialty pharmaceutical company focused on gastroenterology therapies. Its lead product is linaclotide, marketed as LINZESS in the United States and CONSTELLA elsewhere, for adults with irritable bowel syndrome with constipation and chronic idiopathic constipation. The company is advancing other GI candidates, including MD-7246, an oral non-opioid pain reliever for abdominal GI pain, and IW 3718, a gastric-retentive bile acid sequestrant in Phase III for GERD. Ironwood pursues collaborations to expand linaclotide’s reach in North America, China, Hong Kong, Macau, and Japan, with agreements involving Allergan and AstraZeneca and a license with Astellas for Japan. It operates an independent subsidiary, Microbia, that develops bioprocesses for pharmaceuticals and related industries. Founded in 1998, Ironwood is headquartered in Massachusetts.

Ironwood Pharmaceuticals

Series C in 2002
Ironwood Pharmaceuticals is a specialty pharmaceutical company focused on gastroenterology therapies. Its lead product is linaclotide, marketed as LINZESS in the United States and CONSTELLA elsewhere, for adults with irritable bowel syndrome with constipation and chronic idiopathic constipation. The company is advancing other GI candidates, including MD-7246, an oral non-opioid pain reliever for abdominal GI pain, and IW 3718, a gastric-retentive bile acid sequestrant in Phase III for GERD. Ironwood pursues collaborations to expand linaclotide’s reach in North America, China, Hong Kong, Macau, and Japan, with agreements involving Allergan and AstraZeneca and a license with Astellas for Japan. It operates an independent subsidiary, Microbia, that develops bioprocesses for pharmaceuticals and related industries. Founded in 1998, Ironwood is headquartered in Massachusetts.

Ironwood Pharmaceuticals

Series B in 2000
Ironwood Pharmaceuticals is a specialty pharmaceutical company focused on gastroenterology therapies. Its lead product is linaclotide, marketed as LINZESS in the United States and CONSTELLA elsewhere, for adults with irritable bowel syndrome with constipation and chronic idiopathic constipation. The company is advancing other GI candidates, including MD-7246, an oral non-opioid pain reliever for abdominal GI pain, and IW 3718, a gastric-retentive bile acid sequestrant in Phase III for GERD. Ironwood pursues collaborations to expand linaclotide’s reach in North America, China, Hong Kong, Macau, and Japan, with agreements involving Allergan and AstraZeneca and a license with Astellas for Japan. It operates an independent subsidiary, Microbia, that develops bioprocesses for pharmaceuticals and related industries. Founded in 1998, Ironwood is headquartered in Massachusetts.

Ironwood Pharmaceuticals

Series A in 1999
Ironwood Pharmaceuticals is a specialty pharmaceutical company focused on gastroenterology therapies. Its lead product is linaclotide, marketed as LINZESS in the United States and CONSTELLA elsewhere, for adults with irritable bowel syndrome with constipation and chronic idiopathic constipation. The company is advancing other GI candidates, including MD-7246, an oral non-opioid pain reliever for abdominal GI pain, and IW 3718, a gastric-retentive bile acid sequestrant in Phase III for GERD. Ironwood pursues collaborations to expand linaclotide’s reach in North America, China, Hong Kong, Macau, and Japan, with agreements involving Allergan and AstraZeneca and a license with Astellas for Japan. It operates an independent subsidiary, Microbia, that develops bioprocesses for pharmaceuticals and related industries. Founded in 1998, Ironwood is headquartered in Massachusetts.
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