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ASMB

Assembly Biosciencesdistress 8/10 · high distress / dilution risk
$25.31-3%today-34% from 52w high
assemblybio.com73 employeesFounded 2005South San Francisco, CABiotechnology
Infectious Disease 2
Lead: recurrent genital herpes
Revenue
$72M
Liquidity
$31M
Runway
0.8 yrs
Shares 1y
+107%

Price & events

-8.4% over 6M
$22.26$26.99$31.72Jan 26Apr 26Jul 261.6Mdilution: 424B5 offering (2026-05-26)dilution: 424B5 offering (2026-05-22)dilution: EFFECT shelf_effective (2026-03-27)dilution: S-3 shelf_registration (2026-03-19)financing: 8-K material_agreement (2026-05-26)catalyst: PHASE2 ABI-5366 (2026-06-30) — click to opencatalyst: PHASE1 ABI-5366 (2026-02-03) — click to openrating: Mizuho: Outperform (2026-06-15)rating: Guggenheim: Buy (2026-05-28)rating: HC Wainwright & Co.: Buy (2026-05-04)rating: Guggenheim: Buy (2026-04-06)rating: HC Wainwright & Co.: Buy (2026-03-26)
CatalystRating changeDilutionFinancingdashed = today
-2.8%
1D
-2.1%
1W
-5.6%
1M
-10.7%
3M
-9.6%
6M
+38.1%
1Y
+66.5%
2Y
-39.7%
5Y
-65.1%
All

Overview

Market Cap
$402.24M
Volume
4.94K
52 Week Range
$17.90 – $38.50
Total Shares
15.89M
Float Shares
8.80M
Short %
16.32%
% Held by Insiders
28.42%
% Held by Institutions
48.46%
RVOL
0.02x
Beta
1.08

Pipeline stages · 1 programs

ABI-5366
Preclin
Ph1
Ph2
Ph3
Filed
PDUFA
Approved

Pipeline · 4 trials · 0 upcoming

ReadoutPhaseDrugIndicationEnrollStatus
2026-02-03
Phase 1ABI-5366Recurrent Genital Herpes Simplex Type 2115completed
2026-01-19
Phase 1ABI-1179Recurrent Genital Herpes Simplex Type 2103completed
2025-07-08
Phase 1ABI-6250Hepatitis Delta Virus, Hepatitis D40completed
2025-04-15
Phase 1ABI-4334Chronic Hepatitis B20completed

Catalyst news & presentations · 8

Approved drugs (0)

  • none — clinical-stage

Capital structure — dilution & financing

Shares out: 15,892,608 · 5 offerings/1y · 1 PIPEs
  • 2026-05-268-Kmaterial_agreement
  • 2026-05-26424B5offering
  • 2026-05-22424B5offering
  • 2026-03-27EFFECTshelf_effective
  • 2026-03-19S-3shelf_registration
  • 2025-11-21424B3offering
  • 2025-11-21EFFECTshelf_effective
🔒 Positioning — Pro
Short interest / days-to-cover, insider buys & sells.
Upgrade to Pro
🔒 Top holders — Pro
Institutional ownership + quarter-over-quarter accumulation/trimming.
Upgrade to Pro

Wall St ratings

no consensus
  • 2026-06-15MizuhoOutperform
  • 2026-05-28GuggenheimBuy
  • 2026-05-04HC Wainwright & Co.Buy
  • 2026-04-06GuggenheimBuy
  • 2026-03-26HC Wainwright & Co.Buy
  • 2025-12-22HC Wainwright & Co.Buy

Competitors — recurrent genital herpes

  • none identified

Not financial advice. Data: ClinicalTrials.gov, SEC EDGAR, FINRA, Nasdaq, Yahoo.