AltruBio Inc. took a big step up from its $63m series A venture capital round in 2021 when it announced a series B round totaling up to $225m on 21 May, which will fund ongoing and planned Phase IIa and IIb clinical trials of its immune checkpoint enhancer ALTB-268 in ulcerative colitis. The financing is second only to Uniquity Bio’s recent launch with $300m in initial funding in terms of recent VC mega-rounds of $100m or more.
Finance Watch: AltruBio, Pheon Raise Venture Capital Mega-Rounds
Immunology, ADC Start-Ups Garner Big Bucks
Private Company Edition: AltruBio raised up to $225m and Pheon garnered $120m in series B financings, while Lycia brought in $106.6m in series C cash. Also, Sands Capital closed its third life science fund, totaling $555m, and NewVale Capital debuted with $167m for life science services.

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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.
Kyoto-based venture moves HQ to California to expand R&D and business outreach for its regulatory T-cell technology, as it raises around $46m in public and private funding.
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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.
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