Launching a company based on knowledge that “the fundamental principle that most people hold to be true is off by a trillion” is a rare opportunity, said Jake Rubens, co-founder and president of Quotient Therapeutics Inc., a company that emerged from stealth this week, backed by two years of platform development and a $50 million investment from Flagship Pioneering.

Medicovestor Inc. has successfully completed an oversubscribed seed financing round with the aim of advancing its antibody-drug conjugate (ADC) platforms and drug candidates.

Newco T-Therapeutics Ltd. has raised £48 million (US$59 million) in a series A to advance development of T-cell receptors generated by its transgenic mouse platform for the treatment of solid tumors, autoimmune diseases and infections. In cancer, the specificity of T-Therapeutics’ molecules will overcome shortcomings of immuno-oncology drugs such as checkpoint inhibitors that stimulate a response to some cancer neo-antigens but are unable to recognize cancer-specific self-antigens.

Vectory Therapeutics BV has closed a €129 million ($138 million) series A financing to advance its vectorized antibody programs in neurodegenerative diseases.

Glox Therapeutics Ltd. has raised £4.3 million (US$5.37 million) in seed funding to develop targeted therapeutics against antibiotic-resistant gram-negative bacteria. The company was founded earlier this year as a spin-out from the Universities of Glasgow and Oxford.

Kynexis BV has launched with €57 million in series A financing with the aim of using its experience in psychiatry, neurology, and drug discovery and development to advance therapeutics for brain diseases.

Gate Bioscience Inc., a new(ish) company with a new class of drugs in the works, emerged from stealth mode and disclosed a $60 million series A financing led by Versant Ventures and A16z Bio + Health. Arch Venture Partners and GV took part in the financing as well.