Market turmoil and declining valuations in biotech are not deterring Third Rock Ventures from doing what it has done since 2007: raising funds of increasing size to back new biotechs that it incubates internally. Partner Abbie Celniker explained to Scrip that the venture capital firm’s long-term planning, and having long-term investors, makes it less susceptible to market conditions.
Third Rock Thinks Its Model Reassures Investors In Difficult Times
Venture Firm Raised $1.1bn Fund VI, Its Largest Yet
New fund will include some later-stage investments in portfolio companies, in recognition of the currently tough environment for privately held biotechs.

More from Financing
Public Company Edition: Stock valuations are falling due to political, economic and regulatory uncertainty, resulting in fewer large public offerings, more alternative financings and cost cuts. Carisma, Tenaya, BioAtla, Arbutus, Nkarta, Alector and Adaptimmune announced layoffs.
CEO Kris Elverum told Scrip about the start-up’s platform for editing RNA to correct genetic variants that cause harm and to reproduce healthy variants as a means of treating disease.
The four-year-old firm said it plans to advance programs toward the clinic from the funding round, which comes just over a year after signing two major pharma partnerships.
Private Company Edition: The latest group of drug developers to announce venture capital financings is remarkable for its geographic diversity, from Character Biosciences’ $93m series B round in the US to Augustine’s $85m series B in Belgium to a $29.2m series C for Aculys in Japan.
More from Business
The German firm’s chairman, Hubertus von Baumbach, is adopting a ‘wait-and-see’ approach to the threat of pharma tariffs.
Trump announced a 26% reciprocal tariff on India but a country-agnostic exemption of pharmaceuticals implies that the interests of Indian firms and the US consumer are protected for now. What is Indian pharma’s business exposure and what is domestic industry saying?
Industry lobbied for pharmaceuticals to be exempt from Trump’s sweeping US tariffs and the effort appears to have paid off. J&J, Lilly and Merck & Co. even got shout outs.