Assembly Biosciences, Inc. (ASMB)

NASDAQ: ASMB · Real-Time Price · USD
33.62
-0.38 (-1.12%)
At close: Dec 26, 2025, 4:00 PM EST
32.97
-0.65 (-1.93%)
After-hours: Dec 26, 2025, 7:01 PM EST
-1.12%
Market Cap531.77M
Revenue (ttm)37.19M
Net Income (ttm)-38.55M
Shares Out 15.82M
EPS (ttm)-4.48
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volume87,594
Open33.75
Previous Close34.00
Day's Range32.67 - 33.78
52-Week Range7.75 - 39.71
Beta1.15
AnalystsStrong Buy
Price Target43.40 (+29.09%)
Earnings DateNov 10, 2025

About ASMB

Assembly Biosciences, Inc., a biotechnology company, develops therapeutic candidates for the treatment of viral diseases worldwide. Its pipeline includes long-acting helicase-primase inhibitors candidates, including ABI-5336 and ABI-1179, which are in Phase 1a/1b clinical studies for recurrent genital herpes; ABI-4334, a capsid assembly modulator designed to disrupt the replication cycle of hepatitis B virus that is in Phase 1b clinical study; and ABI-6250, an orally bioavailable hepatitis delta virus entry inhibitor that is in Phase 1a clinica... [Read more]

Industry Biotechnology
Sector Healthcare
IPO Date Dec 17, 2010
Employees 73
Stock Exchange NASDAQ
Ticker Symbol ASMB
Full Company Profile

Financial Performance

In 2024, Assembly Biosciences's revenue was $28.52 million, an increase of 298.16% compared to the previous year's $7.16 million. Losses were -$40.18 million, -34.38% less than in 2023.

Financial Statements

Analyst Summary

According to 6 analysts, the average rating for ASMB stock is "Strong Buy." The 12-month stock price target is $43.4, which is an increase of 29.09% from the latest price.

Price Target
$43.4
(29.09% upside)
Analyst Consensus: Strong Buy
Stock Forecasts

News

Gilead Sciences Exercises Option to License Assembly Biosciences' Helicase-Primase Inhibitor Programs for Recurrent Genital Herpes

FOSTER CITY, Calif. & SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)--Gilead Sciences, Inc. (Nasdaq: GILD) and Assembly Biosciences, Inc. (Nasdaq: ASMB), today announced Gilead has exercised its combine...

Other symbols: GILD
6 days ago - Business Wire

Assembly Biosciences, Inc. (ASMB) Discusses Positive Interim Results for ABI-1179 and ABI-5366 in Recurrent Genital Herpes Phase 1b Studies Transcript

Assembly Biosciences, Inc. (ASMB) Discusses Positive Interim Results for ABI-1179 and ABI-5366 in Recurrent Genital Herpes Phase 1b Studies Transcript

19 days ago - Seeking Alpha

Assembly Biosciences Reports Positive Interim Results from Phase 1b Clinical Studies of Long-Acting Helicase-Primase Inhibitor Candidates ABI-1179 and ABI-5366 Showing Reductions in Viral Shedding Rate and Virologically Confirmed Genital Lesion Rate in Recurrent Genital Herpes

– 98% reduction in HSV-2 shedding rate, >99% reduction in high viral load shedding rate and 91% reduction in virologically confirmed genital lesion rate observed in 50 mg weekly oral dose of ABI-1179,...

20 days ago - GlobeNewsWire

Assembly Biosciences Reports Third Quarter 2025 Financial Results and Recent Updates

– Released positive Phase 1b interim results for long-acting helicase-primase inhibitor candidate ABI-5366 showing significant reductions in viral shedding rate and genital lesion rate in recurrent ge...

6 weeks ago - GlobeNewsWire

Assembly Biosciences Presents Positive Phase 1b Data for Next-Generation Capsid Assembly Modulator ABI-4334 at AASLD The Liver Meeting®

– Phase 1b data demonstrating favorable safety and tolerability profile and potent reductions in viral nucleic acids highlighted in late-breaking poster presentation – SOUTH SAN FRANCISCO, Calif., Nov...

7 weeks ago - GlobeNewsWire

Assembly Biosciences Announces Upcoming Investor Conference Participation

SOUTH SAN FRANCISCO, Calif., Oct. 14, 2025 (GLOBE NEWSWIRE) -- Assembly Biosciences, Inc. (Nasdaq: ASMB), a biotechnology company developing innovative therapeutics targeting serious viral diseases, t...

2 months ago - GlobeNewsWire

Assembly Biosciences Presents Interim Phase 1b Data for HSV Helicase-Primase Inhibitor Candidate ABI-5366 at the 38th Congress of the International Union Against Sexually Transmitted Infections (IUSTI)- Europe

– Late-breaking oral presentation highlights interim Phase 1b data reported earlier this year for two cohorts in participants with recurrent genital herpes –  – Statistically significant reductions in...

2 months ago - GlobeNewsWire

4 Biotechnology Stocks That Outshine In Momentum Amid Strong Technicals

Four biotechnology stocks have surged into the top 10th percentile for momentum ranking, demonstrating remarkable week-on-week technical strength and strong price action.

Other symbols: ARWRATRACORT
3 months ago - Benzinga

Assembly Biosciences: Positive Data Of ABI-5366 Brings 2 Fall Program Catalysts

Assembly Biosciences, Inc.'s ABI-5366 showed strong interim phase 1b results in HSV-2 recurrent genital herpes patients, with a 94% reduction in HSV-2  shedding and genital lesion rates. Upcoming cata...

5 months ago - Seeking Alpha

Assembly Biosciences Announces Pricing of $175 Million in Equity Financings

SOUTH SAN FRANCISCO, Calif., Aug. 08, 2025 (GLOBE NEWSWIRE) -- Assembly Biosciences, Inc. (“Assembly Bio”) (Nasdaq: ASMB), a biotechnology company developing innovative therapeutics targeting serious ...

5 months ago - GlobeNewsWire

Assembly Biosciences Reports Positive Interim Results from Phase 1b Clinical Study of Long-Acting Helicase-Primase Inhibitor Candidate ABI-5366 Showing Reductions in Viral Shedding Rate and Genital Lesion Rate in Recurrent Genital Herpes

– 94% reduction in HSV-2 shedding rate and 98% reduction in high viral load shedding rate, both statistically significant, observed in cohort evaluating 350 mg weekly oral dose compared to placebo ove...

5 months ago - GlobeNewsWire

Assembly Biosciences Reports Second Quarter 2025 Financial Results and Recent Updates

– On track for proof-of-concept Phase 1b data no later than this fall in participants with recurrent genital herpes for long-acting herpes simplex virus (HSV) helicase-primase inhibitor candidates, AB...

5 months ago - GlobeNewsWire

Assembly Biosciences Reports Interim Phase 1a Data from Clinical Study of Oral Entry Inhibitor Candidate ABI-6250 for Hepatitis Delta Virus

– Data to date in single- and multiple-ascending dose cohorts of healthy participants demonstrate a four-day half-life for ABI-6250, supporting target daily oral dosing profile and dose-dependent elev...

5 months ago - GlobeNewsWire

Assembly Biosciences Presents Data Highlighting Recurrent Genital Herpes Program at STI & HIV 2025 World Congress and International Herpesvirus Workshop

– Phase 1a clinical data in healthy participants presented for both ABI-5366 and ABI-1179, novel long-acting herpes simplex virus helicase-primase inhibitor candidates –

5 months ago - GlobeNewsWire

Assembly Biosciences Doses First Participant in Phase 1b Portion of Phase 1a/b Clinical Trial of Investigational Long-Acting Herpes Simplex Virus Helicase-Primase Inhibitor ABI-1179

– Study will evaluate safety and antiviral activity of ABI-1179 in participants with recurrent genital herpes – – ABI-1179 IND cleared to support study expansion to sites in United States – – Phase 1b...

6 months ago - GlobeNewsWire

Assembly Biosciences Reports Positive Topline Results from Phase 1b Clinical Trial of Next-Generation Investigational Capsid Assembly Modulator ABI-4334 in Chronic Hepatitis B

– Favorable safety and tolerability profile, as well as pharmacokinetics supporting once-daily oral dosing, continued to be observed in final 400 mg cohort –

6 months ago - GlobeNewsWire

Assembly Biosciences to Present During the Jefferies 2025 Global Healthcare Conference

SOUTH SAN FRANCISCO, Calif., May 27, 2025 (GLOBE NEWSWIRE) -- Assembly Biosciences, Inc. (Nasdaq: ASMB), a biotechnology company developing innovative therapeutics targeting serious viral diseases, to...

7 months ago - GlobeNewsWire

Assembly Biosciences Reports First Quarter 2025 Financial Results and Recent Updates

– Ongoing clinical studies for four candidates on track with data expected in 2025, including interim Phase 1b data for long-acting helicase-primase inhibitors ABI-5366 and ABI-1179 anticipated in fal...

8 months ago - GlobeNewsWire

New Preclinical Data for Assembly Biosciences' Oral Hepatitis D Virus Entry Inhibitor ABI-6250 and Next-Generation Hepatitis B Virus Capsid Assembly Modulator ABI-4334 Presented at the EASL Congress 2025

– Late-breaker poster highlights preclinical profile of ABI-6250, currently in Phase 1a with data anticipated in Q3 2025 – – Second poster describes in vitro studies of effects on viral infection mark...

8 months ago - GlobeNewsWire

Assembly Biosciences Presents New Data Highlighting Long-Acting Herpes Simplex Virus Candidate ABI-5366 and Genital Herpes Prevalence and Treatment Patterns at the 2025 ESCMID Congress

– Clinical and preclinical data supporting dosing profile and tolerability for ABI-5366, a novel long-acting helicase-primase inhibitor candidate, featured in two poster presentations –

9 months ago - GlobeNewsWire

Assembly Biosciences Reports Year End 2024 Financial Results and Recent Highlights

– Four development candidates in clinical studies with data anticipated this year, continuing rapid progress of antiviral pipeline –

10 months ago - GlobeNewsWire

Assembly Biosciences Doses First Participant in Phase 1a Clinical Study of Oral Entry Inhibitor Candidate ABI-6250 for Hepatitis Delta Virus

– Phase 1a study will evaluate single and multiple ascending doses of ABI-6250 in healthy participants with data expected in Q3 2025 – – Biomarker of ABI-6250 target engagement, serum bile acids, will...

10 months ago - GlobeNewsWire

Assembly Biosciences Reports Positive Interim Phase 1a Results from Clinical Trial Evaluating Long-Acting Helicase-Primase Inhibitor ABI-1179 in Development for Recurrent Genital Herpes

– ABI-1179 was well-tolerated, with a half-life of approximately four days and high exposure across the dose range evaluated supporting the potential for once-weekly oral administration at a low dose ...

11 months ago - GlobeNewsWire

Assembly Biosciences Reports Interim Phase 1b Results from Clinical Trial Evaluating Next-Generation Capsid Assembly Modulator Candidate ABI-4334 in Chronic Hepatitis B

– ABI-4334 was well-tolerated with a favorable safety profile and half-life supporting once-daily oral dosing observed –

1 year ago - GlobeNewsWire

Assembly Biosciences Presents New Preclinical Data Highlighting Investigational Helicase-Primase Inhibitors at International Herpesvirus Workshop

– Data from both ABI-5366 and ABI-1179, novel long-acting helicase-primase inhibitor candidates for recurrent genital herpes, to be presented –

1 year ago - GlobeNewsWire