Biotech News Brief

Biotech news for Wednesday, May 20, 2026, ranked by our 5-dimension investment framework — regulatory, technology, commercial, manufacturing, and narrative.

May 19, 7:01 AM EDT

Relay rises on mid-stage trial data for lead asset in vascular anomalies (update)

RLAY

Relay Therapeutics ( RLAY ) shares gained on Tuesday after initial data from a mid-stage trial for its lead asset, zovegalisib, which TD Cowen called “a home run” against vascular anomalies, a group of rare disorders caused by abnormal development of vascular…

May 18, 6:11 PM EDT

Gossamer targets September 2026 seralutinib NDA filing with potential Q3 2027 approval

GOSS

Earnings Call Insights: Gossamer Bio (GOSS) Q1 2026 Management View CEO Faheem Hasnain framed PROSERA’s topline as clinically meaningful but statistically mixed: "PROSERA showed a clinically meaningful placebo-adjusted improvement of 13.3 meters in 6-minute wa…

May 18, 2:03 PM EDT

Quant ratings on Renaissance Technologies' top holdings: UTHR, PLTR, AAPL

UTHRPLTR

Renaissance Technologies returned -4.58% in Q1 2026, slightly outperforming the broader S&P 500 index, which declined 4.63% during the quarter, according to available performance data. The quantitative hedge fund later disclosed its latest Q1 2026 holdings…

May 18, 12:37 PM EDT

HHS rescinds vaccine panel charter citing 'administrative error'

MRNAPFE

HHS said it is rescinding the charter of the CDC's Advisory Committee on Immunization Practices "due to an administrative error in meeting the revised public notification timing requirements under the revised Federal Advisory Committee Act," per a posting in t…

May 18, 11:18 AM EDT

BioMarin rare disease biologic meets only 1 of 2 endpoints in phase 3 trial

BMRN

BioMarin Pharmaceutical ( BMRN ) said that BMN 401, an enzyme therapy for the rare disease ENPP1 deficiency, only hit one of two primary endpoints in a phase 3 trial. Results showed that children treated with BMN 401 saw statistically significant increases in

May 18, 10:36 AM EDT

Quantum Cyber forms U.S. defense subsidiary for drone programs

QUCY

Quantum Cyber N.V. ( QUCY ) said on Monday it formed Quantum Drones Corporation, a wholly owned Nevada-based subsidiary focused on pursuing U.S. government opportunities in autonomous drone warfare, counter-UAS and border security technologies. Stock up +11% i…

May 18, 10:13 AM EDT

Quince announces acquisition of Orphai and up to $187M private placement to advance pulmonary pipeline

QNCX

Quince Therapeutics ( QNCX ) on Monday said it has acquired Orphai Therapeutics, a clinical-stage biotechnology company. The acquisition brings Orphai’s lead program, LAM-001, an inhaled formulation of rapamycin (mTOR inhibitor), to treat rare pulmonary diseas…

May 18, 10:09 AM EDT

Biggest stock movers Monday: NBIS, UNH, REGN, D, and more

BTMRAMP

Stock futures were mixed on Monday as market participants closely watched worsening diplomatic and military frictions between Washington and Tehran. Here are some of Monday's biggest stock movers: Biggest stock gainers LiveRamp ( RAMP ) +27% - Shares surged af…

May 18, 8:16 AM EDT

Kyverna Therapeutics appoints Greg Martini as CFO

KYTXIRWD

Kyverna Therapeutics ( KYTX ) said on Monday it appointed Greg Martini as chief financial officer as the company prepares for a potential commercial launch of its autoimmune disease cell therapy candidate miv-cel. Martini joins Kyverna from Ironwood Pharmaceut…

May 17, 11:53 PM EDT

United Therapeutics' ralinepag meets primary endpoint in PAH study

UTHR

Jacob Wackerhausen/iStock via Getty Images United Therapeutics ( UTHR ) Sunday said that its investigational drug ralinepag cut the risk of clinical worsening by 55% compared with placebo in patients with pulmonary arterial hypertension, meeting the primary en…

May 17, 9:30 AM EDT

Quant snapshot: Baozun, Sohu among top-rated names as Sol Strategies, Arqit Quantum lag

NVDANIO

Quant rankings for the upcoming earnings calendar show strength concentrated across consumer discretionary, communication services, and financials, while weakness is more pronounced in information technology and select consumer-facing segments. A total of 215…

May 16, 2:11 PM EDT

ImmunityBio acquiring U.S. rights to Tokyo strain of BCG

IBRX

Eoneren ImmunityBio ( IBRX ) on Saturday announced a licensing deal to acquire exclusive U.S. rights to a bladder cancer therapy called Bacillus Calmette-Guerin (BCG) treatment from Japan BCG Laboratory, a Japanese drug developer. Under the agreement, the San…