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Recent biotech IPO debuts have split sharply: Parabilis Medicines popped 66.75% and BillionToOne jumped 66.67% on debut, while Electra Therapeutics closed down nearly 12% this week -- a mixed signal inside one reopened window.
Caris Life Sciences jumped 21.6% on a beat-and-raise quarter while BillionToOne fell 29.8% despite beating estimates, the sharpest split in the Renaissance IPO Index in weeks.
BillionToOne beat Q2 estimates by a wide margin and still fell nearly 30% because it reiterated rather than raised guidance -- a signal about how little room newly public companies have left to disappoint.
BillionToOne was founded in 2016, according to SEC S-1/A (BillionToOne, Inc.).
