Realta Life Sciences Inc. raised an additional $40 million in the final tranche of its series A investment, bringing the total the company has raised to more than $150 million through mission-driven investors and a family-office model.

Syneron Bio is emerging as one of the most heavily backed new entrants in the macrocyclic peptide space, raising more than $250 million in venture funding and securing a multibillion-dollar deal with Astrazeneca plc as it builds a platform spanning several of the most competitive frontiers in drug development.

Founded amid the booming next-generation antibody-drug conjugate (ADC) space, Sidewinder Therapeutics Inc. has emerged from stealth with an oversubscribed $137 million series B round and plans to advance a lead program into the clinic in 2027.

Newco Sononeu Inc. has launched to translate more than a decade of basic research in controlling cells with ultrasound into novel, non-invasive therapies for conditions including peripheral and diabetic neuropathy.

Stipple Bio Inc. raised $100 million in a series A financing to support progression of the company’s lead drug, STP-100, an antibody-drug conjugate that binds an undisclosed target, and the company’s Pointillist discovery platform.

Swedish startup One-carbon Therapeutics AB is going after solid tumors with an approach that looks similar to synthetic lethals to some people, and to chemotherapy to others. But One-carbon CEO Ana Slipicevic said that TH-9619, the company’s first-in-class inhibitor of the enzyme MTHFD1/2, is neither of those things.

Ambrosia Biosciences Inc., named after the drink of the Greek gods, secured a $100 million series B to advance its preclinical pipeline of oral obesity drugs. The startup formed after Pfizer Inc. shuttered its Boulder, Colo.-based research facility that the pharma gained through its 2019 acquisition of Array Biopharma Inc.

Newco Immutrin Ltd. has raised £65 million (US$86.9 million) in a series A to take its lead antibody program through to clinical proof of concept in transthyretin amyloid cardiomyopathy.

Oryon Cell Therapies, named after the Orion constellation used for navigation at night, emerged from stealth mode to announce a new round of funding and to present data from the phase Ib/IIa study of its neuron replacement therapy in patients with Parkinson’s disease at the 20th International Conference on Alzheimer’s and Parkinson’s Diseases.

Excalipoint Therapeutics Inc. launched with an oversubscribed $68.7 million seed financing round to advance a portfolio of T-cell engagers for solid tumors, marking one of the largest early stage financings in China biotech history.