Rallybio Corporation (RLYB)

NASDAQ: RLYB · Real-Time Price · USD
7.54
+0.74 (10.88%)
At close: Feb 27, 2026, 4:00 PM EST
7.41
-0.13 (-1.76%)
After-hours: Feb 27, 2026, 7:33 PM EST
Market Cap39.81M +32.4%
Revenue (ttm)674,000 +12.7%
Net Income-14.17M
EPS-2.53
Shares Out 5.28M
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volume103,757
Open6.78
Previous Close6.80
Day's Range6.66 - 7.78
52-Week Range1.76 - 7.78
Beta-1.05
AnalystsHold
Price Targetn/a
Earnings DateMar 10, 2026

About RLYB

Rallybio Corporation, a clinical-stage biotechnology company, engages in development and commercialization of life-transforming therapies for patients suffering from severe and rare diseases. Its lead product candidate is RLYB212, a monoclonal anti-HPA-1a antibody which is in Phase II clinical trial for the prevention of fetal and neonatal alloimmune thrombocytopenia (FNAIT); and RLYB211 for the prevention of FNAIT. The company is also developing RLYB114, a pegylated complement factor 5 (C5)-targeted Affibody molecule in preclinical development... [Read more]

Industry Biotechnology
Sector Healthcare
IPO Date Jul 29, 2021
Employees 15
Stock Exchange NASDAQ
Ticker Symbol RLYB
Full Company Profile

Financial Performance

Financial Statements

News

Rallybio Shares Successful Early-Stage Results for Rare Disease Drug; New Trial Set for Late 2026

Complement-mediated diseases arise from overactivation or dysfunction of the complement system, a part of the innate immune system.

10 days ago - Benzinga

Rallybio Announces Positive Data for RLYB116 Phase 1 Study Demonstrating Complete and Sustained Inhibition of Terminal Complement

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

10 days ago - Business Wire

Rallybio Announces Reverse Stock Split of Common Stock

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB) will effect a one-for-eight reverse stock split of its issued and outstanding common stock. Stockholders of Rallybio approved an ...

24 days ago - Business Wire

Rallybio Reports Third Quarter 2025 Financial Results and Provides Business Updates

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

4 months ago - Business Wire

Rallybio Completes Dosing of First Cohort in RLYB116 Phase 1 Confirmatory Pharmacokinetic/Pharmacodynamic Study

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

5 months ago - Business Wire

Rallybio Receives $12.5 Million Equity Milestone Payment from Recursion for Advancement of REV102 Program

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

6 months ago - Business Wire

Rallybio Reports Second Quarter 2025 Financial Results and Provides Business Updates

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

7 months ago - Business Wire

Why Is Microcap Rallybio Stock Trading Higher On Tuesday?

Rallybio Corporation RLYB agreed on Tuesday to sell its interest in REV102, an ENPP1 inhibitor in preclinical development for hypophosphatasia (HPP), to joint venture partner Recursion Pharmaceuticals...

8 months ago - Benzinga

Rallybio Sells Interest in REV102 Program to Recursion Pharmaceuticals

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

8 months ago - Business Wire

Rallybio Initiates Dosing in RLYB116 Phase 1 Confirmatory Pharmacokinetic/Pharmacodynamic Study

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

9 months ago - Business Wire

Rallybio Reports First Quarter 2025 Financial Results and Provides Business Updates

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

10 months ago - Business Wire

Rallybio to Present at the 2025 Citizens JMP Life Sciences Conference

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

10 months ago - Business Wire

Rallybio Stock Plunges After Program For Pediatric Bleeding Disorder Disappoints

Rallybio Corporation  RLYB on Tuesday discontinued the RLYB212 program to prevent fetal and neonatal alloimmune thrombocytopenia (FNAIT).

11 months ago - Benzinga

Rallybio to Discontinue Development of RLYB212 for Prevention of FNAIT

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

11 months ago - Business Wire

Rallybio Reports Fourth Quarter and Full Year 2024 Financial Results and Provides Business Updates

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

1 year ago - Business Wire

Rallybio to Present at the TD Cowen 45th Annual Health Care Conference

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

1 year ago - Business Wire

Rallybio Announces Initiation of Dosing in RLYB212 Phase 2 Clinical Trial

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

1 year ago - Business Wire

Rallybio Highlights 2024 Accomplishments and Anticipated Milestones for 2025

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

1 year ago - Business Wire

Rallybio Announces Promising RLYB212 and RLYB332 Preclinical Data at the 66th American Society of Hematology Annual Meeting

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

1 year ago - Business Wire

Rallybio to Initiate RLYB116 Confirmatory Clinical PK/PD Study in Second Quarter 2025

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

1 year ago - Business Wire

Rallybio Announces Publication of Target-Mediated Drug Disposition Modeling and Simulations Informing the RLYB212 Dosing Regimen in Pregnant Women

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

1 year ago - Business Wire

Rallybio to Present at the 2024 Evercore ISI HealthCONx Conference

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

1 year ago - Business Wire

Rallybio to Provide Update on RLYB116 Program, an Innovative Subcutaneously Injected C5 Inhibitor

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

1 year ago - Business Wire

Rallybio Announces Initiation of Phase 2 Clinical Trial of RLYB212

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

1 year ago - Business Wire

Rallybio Reports Third Quarter 2024 Financial Results and Provides Business Updates

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB), a clinical-stage biotechnology company translating scientific advances into transformative therapies for patients with devastati...

1 year ago - Business Wire