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NASDAQ:ASMB Assembly Biosciences, Inc. Stock
Home listing (NASDAQ) of Assembly Biosciences, Inc.
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Share price · NASDAQ:ASMB
$20.13 USD -0.73 (-3.5%)
Close on Oct 30, 2026
- Day range
- $19.98 – $21.00 USDOct 30, 2026
- Volume
- 136,867 sharesOct 30, 2026
- Market cap
- $409.9M USDAt the close on Oct 30, 2026 · price × 20.36M shares outstanding
- 52-week range
- $19.30 – $39.71 USDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- $7.85M USDMedian day 223,900 shares · last 3 months, Jul 30, 2026 – Oct 30, 2026

Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| NASDAQ:ASMB · Home | $20.13 USD | -0.73 (-3.5%) | 136,867 | $20.86 | $21.00 | $19.98 | $20.86 | Close on Oct 30, 2026 |
| Frankfurt:V7B | €18.50 EUR | +1.00 (+5.7%) | — | €18.50 | €18.50 | €18.50 | €17.50 | Close on Oct 30, 2026 |
Daily closes
Last 3 months, Jul 30, 2026 – Oct 30, 2026 · NASDAQ:ASMB · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $20.13 | -0.73 | -3.5% | $20.86 | $21.00 | $19.98 | 136,867 | |
| $20.86 | +0.29 | +1.4% | $20.75 | $21.36 | $20.71 | 198,747 | |
| $20.57 | +0.27 | +1.3% | $20.21 | $20.66 | $19.95 | 142,684 | |
| $20.30 | +0.63 | +3.2% | $19.56 | $20.60 | $19.56 | 185,733 | |
| $19.67 | -0.17 | -0.9% | $19.97 | $20.09 | $19.59 | 152,175 | |
| $19.84 | -0.44 | -2.2% | $20.34 | $20.34 | $19.30 | 206,013 | |
| $20.28 | -0.18 | -0.9% | $20.29 | $20.85 | $19.98 | 137,800 | |
| $20.46 | -0.73 | -3.4% | $21.42 | $21.93 | $20.38 | 234,800 | |
| $21.19 | +1.03 | +5.1% | $20.23 | $21.48 | $20.07 | 222,800 | |
| $20.16 | +0.07 | +0.3% | $20.22 | $20.49 | $19.95 | 199,200 | |
| $20.09 | -0.48 | -2.3% | $20.63 | $20.63 | $19.94 | 167,700 | |
| $20.57 | +0.04 | +0.2% | $20.73 | $21.04 | $20.41 | 204,200 | |
| $20.53 | +0.19 | +0.9% | $20.19 | $20.99 | $19.98 | 241,300 | |
| $20.34 | -2.43 | -10.7% | $22.64 | $22.64 | $20.28 | 305,600 | |
| $22.77 | -0.76 | -3.2% | $23.43 | $23.83 | $22.44 | 207,800 | |
| $23.53 | +0.71 | +3.1% | $23.00 | $23.58 | $22.72 | 170,500 | |
| $22.82 | -0.13 | -0.6% | $22.78 | $23.05 | $22.08 | 288,400 | |
| $22.95 | +0.77 | +3.5% | $21.95 | $23.13 | $21.80 | 190,800 | |
| $22.18 | -0.56 | -2.5% | $22.84 | $22.92 | $21.80 | 349,200 | |
| $22.74 | +0.20 | +0.9% | $22.68 | $22.95 | $22.27 | 241,700 | |
| $22.54 | -0.44 | -1.9% | $23.30 | $23.48 | $22.01 | 368,000 | |
| $22.98 | -0.51 | -2.2% | $23.18 | $23.66 | $22.75 | 350,800 | |
| $23.49 | +0.01 | 0.0% | $23.65 | $23.87 | $23.23 | 221,100 | |
| $23.48 | -0.13 | -0.6% | $23.70 | $23.79 | $23.05 | 229,700 | |
| $23.61 | -0.06 | -0.3% | $23.35 | $23.86 | $23.05 | 117,500 | |
| $23.67 | +0.01 | 0.0% | $23.70 | $24.25 | $23.43 | 143,500 | |
| $23.66 | -0.31 | -1.3% | $23.73 | $24.02 | $23.15 | 179,000 | |
| $23.97 | -1.48 | -5.8% | $25.42 | $25.63 | $23.89 | 275,200 | |
| $25.45 | +0.01 | 0.0% | $25.69 | $25.89 | $25.12 | 1,070,100 | |
| $25.44 | +0.47 | +1.9% | $25.40 | $25.73 | $24.85 | 211,900 | |
| $24.97 | -0.37 | -1.5% | $25.41 | $25.78 | $24.83 | 1,413,900 | |
| $25.34 | -0.14 | -0.5% | $26.02 | $26.30 | $25.10 | 364,800 | |
| $25.48 | -0.63 | -2.4% | $26.11 | $26.69 | $25.13 | 348,800 | |
| $26.11 | -2.85 | -9.8% | $29.00 | $29.66 | $25.31 | 588,800 | |
| $28.96 | -0.84 | -2.8% | $30.31 | $30.48 | $28.79 | 290,100 | |
| $29.80 | -0.66 | -2.2% | $30.83 | $31.72 | $29.68 | 258,900 | |
| $30.46 | -2.41 | -7.3% | $32.56 | $32.69 | $30.34 | 348,600 | |
| $32.87 | -2.41 | -6.8% | $35.64 | $35.93 | $32.73 | 724,800 | |
| $35.28 | -1.32 | -3.6% | $36.16 | $36.68 | $35.15 | 227,700 | |
| $36.60 | +0.47 | +1.3% | $35.68 | $36.77 | $35.49 | 156,500 | |
| $36.13 | -0.59 | -1.6% | $36.80 | $36.80 | $35.54 | 225,000 | |
| $36.72 | +1.54 | +4.4% | $35.48 | $37.01 | $34.86 | 267,500 | |
| $35.18 | +1.55 | +4.6% | $34.12 | $35.33 | $33.43 | 301,100 | |
| $33.63 | -0.44 | -1.3% | $33.80 | $34.30 | $32.92 | 236,000 | |
| $34.07 | -0.73 | -2.1% | $34.58 | $34.58 | $33.29 | 250,000 | |
| $34.80 | -0.62 | -1.8% | $35.32 | $35.90 | $34.75 | 192,100 | |
| $35.42 | +0.09 | +0.3% | $35.38 | $36.13 | $35.00 | 171,500 | |
| $35.33 | +0.05 | +0.1% | $36.00 | $37.00 | $35.19 | 553,800 | |
| $35.28 | +0.90 | +2.6% | $34.38 | $36.12 | $33.75 | 383,900 | |
| $34.38 | +0.85 | +2.5% | $33.86 | $35.62 | $33.86 | 341,500 | |
| $33.53 | -0.31 | -0.9% | $33.54 | $34.00 | $32.90 | 215,000 | |
| $33.84 | +1.71 | +5.3% | $32.88 | $34.57 | $32.64 | 384,500 | |
| $32.13 | +2.12 | +7.1% | $30.00 | $33.08 | $30.00 | 484,800 | |
| $30.01 | -2.94 | -8.9% | $32.57 | $33.33 | $29.83 | 304,500 | |
| $32.95 | +3.00 | +10.0% | $30.08 | $33.17 | $29.79 | 559,100 | |
| $29.95 | +2.89 | +10.7% | $27.40 | $30.45 | $26.77 | 729,200 | |
| $27.06 | -0.21 | -0.8% | $27.12 | $27.39 | $26.74 | 113,100 | |
| $27.27 | +0.53 | +2.0% | $26.81 | $27.32 | $26.24 | 213,400 | |
| $26.74 | +0.06 | +0.2% | $26.68 | $27.10 | $26.32 | 105,700 | |
| $26.68 | +0.23 | +0.9% | $27.07 | $27.12 | $26.36 | 119,800 | |
| $26.45 | -0.09 | -0.3% | $26.78 | $26.98 | $26.18 | 100,100 | |
| $26.54 | +0.10 | +0.4% | $26.32 | $26.92 | $26.18 | 113,300 | |
| $26.44 | +1.08 | +4.3% | $25.53 | $26.49 | $25.19 | 90,800 | |
| $25.36 | +0.25 | +1.0% | $25.31 | $25.59 | $24.72 | 193,300 | |
| $25.11 | -0.95 | -3.6% | $25.88 | $26.03 | $24.66 | 101,400 | |
| $26.06 | +0.95 | +3.8% | $25.18 | $26.15 | $25.02 | 55,700 |
- Ticker
- NASDAQ:ASMB
- Asset type
- Stock
- Sector
- Health care
- Industry
- Biotechnology
- Exchange
- NASDAQ
- Currency
- USD
What changed lately
Latest news release · Oct 29, 2026
Assembly Biosciences Doses First Two Participants in Phase 2 Study of Oral NTCP Inhibitor ABI-6250 for Chronic Hepatitis Delta Virus
Latest deck · September 2026
Investor Presentation (September 2026)
Investor deck · 37 slides
Calls
Replays
Assembly Biosciences (NASDAQ:ASMB) Q3 2020 Earnings Call
Thu, Nov 05, 2020 · 5:00 PM ET
Watch Transcript
Latest news
Assembly Biosciences Doses First Two Participants in Phase 2 Study of Oral NTCP Inhibitor ABI-6250 for Chronic Hepatitis Delta Virus
Oct 29, 2026
Closed $20.13 (-3.5%) on Oct 30, 2026
Assembly Biosciences to Present Positive Phase 1a Safety, Tolerability and Target Engagement Data for ABI-6250 at AASLD The Liver Meeting® 2026
Oct 5, 2026
Closed $22.74 (+0.9%) on Oct 5, 2026
Assembly Biosciences to Present at the H.C. Wainwright & Co. 28th Annual Global Investment Conference
Sep 10, 2026
Closed $29.80 (-2.2%) on Sep 11, 2026
Assembly Biosciences Exercises U.S. Profit-Share Option with Gilead for HSV Helicase-Primase Inhibitor Program
Sep 8, 2026
Closed $32.87 (-6.8%) on Sep 9, 2026
Assembly Biosciences Reports Second Quarter 2026 Financial Results and Recent Updates
Aug 13, 2026
Closed $32.95 (+10.0%) on Aug 14, 2026
Assembly Biosciences Announces Upcoming Investor Conference Presentations
May 28, 2026
Closed $27.66 (-0.3%) on May 29, 2026
Assembly Biosciences Announces the Closing of its Offering of Common Stock and Pre-Funded Warrants and Full Exercise of the Underwriters’ Option to Purchase Additional Shares
May 26, 2026
Closed $27.40 (-4.7%) on May 27, 2026
Assembly Biosciences Announces Pricing of $100 Million Offering of Common Stock and Pre-Funded Warrants
May 22, 2026
Closed $28.34 (+6.9%) on May 22, 2026
Assembly Biosciences Announces Expansion of ABI-6250 Clinical Development Into Cholestatic Liver Diseases
May 22, 2026
Closed $28.34 (+6.9%) on May 22, 2026
Assembly Biosciences to Present Topline Phase 1a Data on Hepatitis Delta Virus Entry Inhibitor ABI-6250 at the EASL Congress 2026
May 13, 2026
Closed $31.72 (+2.9%) on May 13, 2026
Decks
Investor Presentation (September 2026)
Investor deck · 37 slides · September 2026
Technical Presentation (October 2025)
Technical · 15 slides · October 2025
Technical Presentation (August 2022)
Technical · 43 slides · Aug 31, 2022
Technical Presentation (July 2022)
Technical · 55 slides · Jul 26, 2022
Assembly Biosciences, Inc. on 6ix
- Sector
- Health care
- Industry
- Biotechnology
- News releases
- 19 in the last 12 months · 132 in all · newest Oct 29, 2026 · oldest 2019
- Calls
- 1 call with a replay · 1 with a transcript · latest Nov 5, 2020
- Decks
- 16 decks · latest September 2026
Where Assembly Biosciences, Inc. is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| NASDAQ:ASMB · Home listing · This page | NASDAQ | United States | USD |
| Tradegate:V7B | Tradegate | Germany | EUR |
| LS Exchange:A402CB | LS Exchange | Germany | EUR |
| gettex:V7B | gettex | Germany | EUR |
| Lang & Schwarz:A402CB | Lang & Schwarz | Germany | EUR |
| BOATS:ASMB | BOATS | United States | USD |
| Frankfurt:V7B | Frankfurt | Germany | EUR |
| Dusseldorf:V7B | Dusseldorf | Germany | EUR |
| Hamburg:V7B | Hamburg | Germany | EUR |
| Munich:V7B | Munich | Germany | EUR |
| Stuttgart:V7B | Stuttgart | Germany | EUR |
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