M&A Deal Summary

Viracta Therapeutics Acquires Sunesis

On November 30, 2020, Viracta Therapeutics acquired life science company Sunesis from Alta Partners, Nexus Life Science Partners and Bay City Capital

Acquisition Highlights
  • This is Viracta Therapeutics’ 1st transaction in the Life Science sector.
  • This is Viracta Therapeutics’ 1st transaction in the United States.
  • This is Viracta Therapeutics’ 1st transaction in California.

M&A Deal Summary

Date 2020-11-30
Target Sunesis
Sector Life Science
Buyer(s) Viracta Therapeutics
Sellers(s) Alta Partners
Nexus Life Science Partners
Bay City Capital
Deal Type Merger
Advisor(s) MTS Health Partners (Financial)
Cooley (Legal)

Target

Sunesis

South San Francisco, California, United States
Sunesis is a clinical-stage biopharmaceutical company focused on the discovery, development, and commercialization of novel small molecule therapeutics for oncology and other serious diseases. Sunesis was founded in 1998 and is based in South San Francisco, California.

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Buyer(S) 1

Buyer

Viracta Therapeutics

Cardiff, California, United States

Category Company
Founded 2007
Sector Life Science
Employees40
Revenue 51M USD (2023)
DESCRIPTION

Viracta Therapeutics is a precision oncology company targeting virus-associated malignancies. Viracta’s proprietary investigational drug, nanatinostat, is currently being evaluated in combination with the antiviral agent valganciclovir as an oral combination therapy in Phase 2 clinical trial for EBV-positive lymphomas. Viracta Therapeutics was founded in 2007 and is headquartered in Cardiff, California.


DEAL STATS #
Overall 1 of 1
Sector (Life Science) 1 of 1
Type (Merger) 1 of 1
State (California) 1 of 1
Country (United States) 1 of 1
Year (2020) 1 of 1

Seller(S) 3

SELLER

Alta Partners

Jackson, Wyoming, United States

Investor Investor Investor Investor


Category Venture Capital Firm
Founded 1996
PE ASSETS 2.6B USD
Size Large
Type Sector Focused
DESCRIPTION

Alta Partners is a venture capital firm that targets investments in early and later stage life science companies, including biopharmaceuticals, medical technology, and information technology businesses. Alta was formed as an early stage investor but has since expanded its investment range to provide later stage growth capital to private and young public companies. Alta was established in 1996 and is headquartered in San Francisco, California.


DEAL STATS #
Overall 84 of 85
Sector (Life Science) 65 of 65
Type (Merger) 2 of 2
State (California) 41 of 41
Country (United States) 74 of 75
Year (2020) 2 of 2
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2020-11-01 Intarcia Therapeutics

Boston, Massachusetts, United States

Intarcia Therapeutics is a biopharmaceutical company applying a targeted approach to the acquisition, development and commercialization of novel therapeutic products for the treatment of cancer and infectious diseases. Intarcia Therapeutics is based in Boston, Massachusetts.

Sell -
FOLLOWING DEAL
DATE TARGET DEAL TYPE VALUE
2021-02-04 Bioventus

Durham, North Carolina, United States

Bioventus provides clinical and cost-effective therapies and diagnostics to help patients regain active lifestyles. The company's innovative products include bone stimulation devices and osteoarthritis joint fluid therapies. Bioventus was incorporated in 2011 and is based in Durham, North Carolina.

Sell -
SELLER

Nexus Life Science Partners

New York, New York, United States

Category Growth Capital Firm
Founded 2001
Size Small
Type Sector Focused
DESCRIPTION

Nexus Life Science Partners is a private equity firm that targets private and public healthcare companies located within the United States and around the world. The Firm's focus is on the growth segments of the healthcare industry. In particular, Nexus looks for product-driven life sciences companies developing breakthrough therapeutics for clinical needs, positively altering disease course and associated costs. The firm seeks for each private investment a potential for liquidity within 24 months after initial investment, as well as a 2-3 times return on invested capital. Nexus Life Science Partners was formed in 2001, and is based in New York, New York.


DEAL STATS #
Overall 22 of 22
Sector (Life Science) 18 of 18
Type (Merger) 1 of 1
State (California) 6 of 6
Country (United States) 19 of 19
Year (2020) 1 of 1
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2013-12-20 Gentium

Villa Guardia, Italy

Gentium S.p.A. (GENT) specializes in potential therapeutic agents, the active ingredients of which are derived from natural sources. They are developing Defibrotide for severe Hepatic Veno-Occlusive Disease (VOD), a potential complication of stem cell transplantation. Their other products include heparin calcium and urokinase.

Sell $1.0B
SELLER

Bay City Capital

San Rafael, California, United States

Investor Investor Investor Investor Investor


Category Venture Capital Firm
Founded 1997
PE ASSETS 1.3B USD
Size Large
Type Sector Focused
DESCRIPTION

Bay City Capital LLC was established in 1997 as an equal partnership between The Craves Group and certain Pritzker family business interests for the purpose of managing investment funds in the life sciences industry. Bay City looks for opportunities at all stages of development in biopharmaceuticals, drug discovery, medical devices and diagnostics. Bay City Capital is based in San Francisco, California.


DEAL STATS #
Overall 62 of 63
Sector (Life Science) 45 of 46
Type (Merger) 4 of 4
State (California) 33 of 33
Country (United States) 59 of 60
Year (2020) 4 of 4
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2020-11-01 Intarcia Therapeutics

Boston, Massachusetts, United States

Intarcia Therapeutics is a biopharmaceutical company applying a targeted approach to the acquisition, development and commercialization of novel therapeutic products for the treatment of cancer and infectious diseases. Intarcia Therapeutics is based in Boston, Massachusetts.

Sell -
FOLLOWING DEAL
DATE TARGET DEAL TYPE VALUE
2022-06-27 Epizyme

Cambridge, Massachusetts, United States

Epizyme is a clinical stage biopharmaceutical company creating personalized therapeutics for patients with genetically defined cancers. Epizyme was founded in 2007 and is based in Cambridge, Massachusetts.

Sell $247M