Private Company Edition: Acelyrin will use its latest funding for Phase III development of izokibep in inflammatory diseases. Also, ArsenalBio raised $220m to take its programmable cell therapies into the clinic and RayzeBio’s $160m series D round will fund clinical trials for its radiopharmaceuticals. 

April had four VC rounds of $100m or more, including Allogene's $300m to develop CAR-T therapies licensed from Pfizer. Innovent Biologics raised $150m, BenevolentAI brought in $115m and Constellation garnered $100m last month.

Private Company Edition: Martin Mackay and two other former Alexion executives co-founded the rare disease start-up in January with a $37m Series A to kick things off. Also, Innovent raises $150m in venture cash, Tmunity adds $35m and Third Rock launches Cedilla.

Derived from Strategic Transactions, a fully searchable premium source for tracking life sciences deal activity, the Venture Funding column provides a comprehensive monthly review of emerging life science companies that have received venture funding, including companies within the In Vitro Diagnostics, Medical Devices, and Pharmaceuticals sectors. This month’s column covers deals announced January through February 2014.