Assembly Biosciences Stock Price History
NASDAQ: ASMBHealth CareBiotechnology: Pharmaceutical PreparationsUSD
23.53+0.71 (+3.11%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
ASMB price history at a glance
The price history for Assembly Biosciences (ASMB) on this page begins on December 13, 2010, when the stock closed at $378.00; it most recently closed at $23.53 on October 5, 2026. The highest price in this record is $1,260.00, reached on May 2, 2011; the latest close is 98.1% below that peak. Across the 15 complete calendar years in the table, ASMB finished higher in 6 and lower in 9. Its best year was 2017 (+272.4%) and its worst was 2012 (-70.3%).
Over roughly 16 years the share price changed -93.8%, a -16.1% compound annual price return (excluding dividends). In the last 12 months alone, ASMB has lost 12.3%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2010
- $1,260.00
- Date of high
- May 2, 2011
- Low since 2010
- $7.68
- Date of low
- Nov 13, 2023
- 52-week high
- $39.71
- 52-week low
- $21.80
- IPO year
- 2010
- Last close
- $23.53
ASMB returns
1 week
+4.39%
1 month
-28.41%
3 months
-14.12%
6 months
-17.21%
Year to date
-30.81%
1 year
-12.27%
3 years
+176.17%
5 years
-39.85%
ASMB price return, excluding dividends.
ASMB annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 23.53 | -30.28% |
| 2025 | 33.75 | +92.97% |
| 2024 | 17.49 | +77.74% |
| 2023 | 9.84 | -36.92% |
| 2022 | 15.60 | -44.21% |
| 2021 | 27.96 | -61.49% |
| 2020 | 72.60 | -69.43% |
| 2019 | 237.48 | -16.88% |
| 2018 | 285.72 | -47.38% |
| 2017 | 543.00 | +272.43% |
| 2016 | 145.80 | +61.78% |
| 2015 | 90.12 | -4.70% |
| 2014 | 94.56 | -56.58% |
| 2013 | 217.80 | +52.52% |
| 2012 | 142.80 | -70.29% |
| 2011 | 480.60 | +21.00% |
| 2010* | 397.20 | +5.08% |
* Partial year: the record begins after the start of 2010; return measured from the first available close.
2026 return is year to date.
ASMB daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 23.00 | 23.58 | 22.84 | 23.53 | +3.11% | |
| 22.78 | 23.04 | 22.08 | 22.82 | -0.57% | |
| 21.95 | 23.13 | 21.87 | 22.95 | +3.47% | |
| 22.84 | 22.92 | 21.80 | 22.18 | -2.46% | |
| 22.68 | 22.95 | 22.27 | 22.74 | +0.89% | |
| 23.30 | 23.48 | 22.01 | 22.54 | -1.91% | |
| 23.18 | 23.66 | 22.75 | 22.98 | -2.17% | |
| 23.65 | 23.87 | 23.23 | 23.49 | +0.04% | |
| 23.70 | 23.79 | 23.05 | 23.48 | -0.55% | |
| 23.35 | 23.86 | 23.05 | 23.61 | -0.25% | |
| 23.70 | 24.25 | 23.43 | 23.67 | +0.04% | |
| 23.73 | 24.02 | 23.15 | 23.66 | -1.29% | |
| 25.42 | 25.63 | 23.89 | 23.97 | -5.82% | |
| 25.69 | 25.89 | 25.12 | 25.45 | +0.04% | |
| 25.40 | 25.73 | 24.85 | 25.44 | +1.88% | |
| 25.41 | 25.78 | 24.83 | 24.97 | -1.46% | |
| 26.02 | 26.30 | 25.10 | 25.34 | -0.55% | |
| 26.11 | 26.69 | 25.13 | 25.48 | -2.41% | |
| 29.00 | 29.66 | 25.31 | 26.11 | -9.84% | |
| 30.31 | 30.48 | 28.79 | 28.96 | -2.82% | |
| 30.83 | 31.72 | 29.68 | 29.80 | -2.17% | |
| 32.56 | 32.69 | 30.34 | 30.46 | -7.33% | |
| 35.64 | 35.93 | 32.73 | 32.87 | -6.83% | |
| 36.16 | 36.68 | 35.15 | 35.28 | -3.61% | |
| 35.68 | 36.77 | 35.49 | 36.60 | +1.30% | |
| 36.80 | 36.80 | 35.54 | 36.13 | -1.61% | |
| 35.48 | 37.01 | 34.86 | 36.72 | +4.38% | |
| 34.12 | 35.33 | 33.43 | 35.18 | +4.61% | |
| 33.80 | 34.30 | 32.92 | 33.63 | -1.29% | |
| 34.58 | 34.58 | 33.29 | 34.07 | -2.10% | |
| 35.32 | 35.90 | 34.75 | 34.80 | -1.75% | |
| 35.38 | 36.13 | 35.00 | 35.42 | +0.25% | |
| 36.00 | 37.00 | 35.19 | 35.33 | +0.14% | |
| 34.38 | 36.12 | 33.75 | 35.28 | +2.62% | |
| 33.86 | 35.62 | 33.86 | 34.38 | +2.54% | |
| 33.54 | 34.00 | 32.90 | 33.53 | -0.92% | |
| 32.88 | 34.57 | 32.64 | 33.84 | +5.32% | |
| 30.00 | 33.08 | 30.00 | 32.13 | +7.06% | |
| 32.57 | 33.33 | 29.83 | 30.01 | -8.92% | |
| 30.08 | 33.17 | 29.79 | 32.95 | +10.02% | |
| 27.40 | 30.45 | 26.77 | 29.95 | +10.68% | |
| 27.12 | 27.39 | 26.74 | 27.06 | -0.77% | |
| 26.81 | 27.32 | 26.24 | 27.27 | +1.98% | |
| 26.68 | 27.10 | 26.32 | 26.74 | +0.22% | |
| 27.07 | 27.12 | 26.36 | 26.68 | +0.87% | |
| 26.78 | 26.98 | 26.18 | 26.45 | -0.34% | |
| 26.32 | 26.92 | 26.18 | 26.54 | +0.38% | |
| 25.53 | 26.49 | 25.19 | 26.44 | +4.26% | |
| 25.31 | 25.59 | 24.72 | 25.36 | +1.00% | |
| 25.88 | 26.03 | 24.66 | 25.11 | -3.65% | |
| 25.18 | 26.15 | 25.02 | 26.06 | +3.78% | |
| 25.75 | 25.87 | 24.50 | 25.11 | -1.80% | |
| 25.96 | 26.21 | 25.16 | 25.57 | -1.31% | |
| 25.80 | 26.57 | 25.80 | 25.91 | +1.41% | |
| 25.30 | 26.53 | 24.85 | 25.55 | +1.31% | |
| 26.07 | 26.08 | 25.05 | 25.22 | -3.15% | |
| 26.17 | 26.20 | 25.56 | 26.04 | -1.62% | |
| 25.00 | 26.64 | 24.87 | 26.47 | +5.63% | |
| 26.81 | 27.00 | 24.98 | 25.06 | -6.53% | |
| 26.12 | 28.15 | 25.36 | 26.81 | +3.75% | |
| 26.72 | 26.78 | 25.43 | 25.84 | -3.33% | |
| 26.67 | 27.02 | 26.25 | 26.73 | -0.11% | |
| 26.99 | 27.31 | 26.73 | 26.76 | -0.74% | |
| 27.15 | 27.40 | 26.27 | 26.96 | -1.61% | |
| 27.86 | 27.99 | 26.45 | 27.40 | -1.69% | |
| 28.61 | 29.24 | 27.63 | 27.87 | -2.99% | |
| 28.30 | 29.20 | 27.90 | 28.73 | -0.83% | |
| 28.97 | 29.95 | 28.60 | 28.97 | +0.24% | |
| 27.74 | 29.00 | 27.20 | 28.90 | +4.18% | |
| 26.75 | 27.77 | 26.41 | 27.74 | +3.93% | |
| 27.44 | 27.66 | 26.06 | 26.69 | -2.87% | |
| 26.96 | 28.37 | 26.89 | 27.48 | +1.93% | |
| 26.76 | 27.13 | 25.95 | 26.96 | +0.82% | |
| 24.26 | 27.05 | 24.26 | 26.74 | +10.22% | |
| 25.58 | 25.95 | 24.01 | 24.26 | -5.31% | |
| 27.00 | 27.97 | 25.33 | 25.62 | -4.40% | |
| 24.91 | 27.13 | 24.90 | 26.80 | +6.56% | |
| 24.50 | 26.14 | 24.44 | 25.15 | +2.91% | |
| 24.60 | 25.93 | 24.22 | 24.44 | +1.20% | |
| 23.25 | 24.51 | 23.20 | 24.15 | +3.51% | |
| 23.23 | 23.42 | 22.58 | 23.33 | -0.04% | |
| 23.67 | 24.15 | 23.07 | 23.34 | +1.66% | |
| 22.60 | 23.69 | 22.35 | 22.96 | +1.91% | |
| 22.26 | 22.62 | 21.80 | 22.53 | +1.21% | |
| 22.50 | 23.99 | 22.18 | 22.26 | -2.02% | |
| 23.40 | 23.82 | 22.20 | 22.72 | +0.71% | |
| 23.47 | 23.66 | 22.24 | 22.56 | -1.48% | |
| 24.00 | 24.00 | 22.24 | 22.90 | -5.02% | |
| 24.57 | 25.05 | 23.88 | 24.11 | -1.87% | |
| 24.60 | 24.65 | 24.00 | 24.57 | +0.33% | |
| 26.91 | 27.19 | 24.40 | 24.49 | -9.03% | |
| 28.25 | 28.75 | 26.58 | 26.92 | -2.68% | |
| 27.73 | 28.52 | 27.25 | 27.66 | -0.25% | |
| 27.30 | 27.78 | 27.00 | 27.73 | +1.20% | |
| 28.61 | 28.91 | 27.08 | 27.40 | -4.70% | |
| 28.33 | 29.05 | 27.41 | 28.75 | +1.45% | |
| 28.61 | 31.89 | 27.64 | 28.34 | +6.94% | |
| 26.05 | 26.60 | 25.76 | 26.50 | +0.91% | |
| 26.70 | 27.12 | 26.06 | 26.26 | -0.98% | |
| 27.02 | 27.31 | 26.49 | 26.52 | -3.28% | |
| 28.88 | 28.89 | 26.42 | 27.42 | -4.29% | |
| 29.94 | 29.99 | 28.52 | 28.65 | -5.45% | |
| 31.60 | 32.46 | 30.04 | 30.30 | -4.48% | |
| 30.58 | 31.94 | 30.31 | 31.72 | +2.92% | |
| 30.19 | 30.99 | 30.15 | 30.82 | +1.35% | |
| 29.44 | 30.83 | 28.90 | 30.41 | +2.25% | |
| 30.54 | 31.50 | 29.16 | 29.74 | -3.85% | |
| 31.22 | 31.89 | 30.72 | 30.93 | -1.37% | |
| 29.55 | 31.62 | 29.49 | 31.36 | +6.13% | |
| 27.83 | 29.78 | 27.83 | 29.55 | +6.22% | |
| 27.32 | 29.00 | 27.32 | 27.82 | +1.64% | |
| 26.83 | 27.90 | 26.55 | 27.37 | +1.56% | |
| 26.63 | 26.95 | 26.15 | 26.95 | +2.35% | |
| 26.95 | 28.21 | 25.97 | 26.33 | -2.48% | |
| 27.52 | 28.25 | 26.83 | 27.00 | -1.89% | |
| 27.88 | 28.57 | 27.39 | 27.52 | -1.26% | |
| 28.23 | 28.31 | 27.69 | 27.87 | -1.62% | |
| 28.33 | 28.60 | 27.70 | 28.33 | +0.11% | |
| 27.40 | 28.89 | 27.25 | 28.30 | +5.01% | |
| 28.20 | 28.88 | 26.62 | 26.95 | -4.19% | |
| 29.23 | 29.25 | 27.62 | 28.13 | -3.80% | |
| 29.91 | 30.19 | 28.79 | 29.24 | -0.27% | |
| 29.74 | 30.05 | 29.09 | 29.32 | -1.64% | |
| 29.42 | 30.06 | 29.28 | 29.81 | +1.26% | |
| 29.52 | 30.05 | 29.20 | 29.44 | +0.68% | |
| 28.32 | 30.14 | 28.32 | 29.24 | +2.89% | |
| 29.99 | 30.72 | 28.26 | 28.42 | -4.79% | |
| 29.10 | 30.18 | 29.00 | 29.85 | +1.70% | |
| 29.72 | 29.83 | 28.82 | 29.35 | +2.87% | |
| 28.96 | 29.37 | 28.10 | 28.53 | -2.36% | |
| 29.94 | 30.18 | 29.00 | 29.22 | +0.72% | |
| 28.63 | 29.75 | 28.40 | 29.01 | -1.43% | |
| 28.05 | 30.02 | 28.05 | 29.43 | +6.05% | |
| 27.01 | 28.14 | 26.66 | 27.75 | +4.17% | |
| 27.84 | 28.12 | 26.32 | 26.64 | -3.83% | |
| 28.57 | 28.89 | 27.25 | 27.70 | -4.05% | |
| 28.65 | 29.53 | 28.49 | 28.87 | +0.70% | |
| 28.45 | 29.50 | 28.40 | 28.67 | +1.56% | |
| 28.10 | 28.45 | 27.50 | 28.23 | -1.22% | |
| 29.10 | 30.18 | 27.53 | 28.58 | +0.42% | |
| 30.13 | 30.13 | 27.65 | 28.46 | +3.45% | |
| 27.52 | 28.31 | 27.12 | 27.51 | -0.04% | |
| 28.05 | 28.31 | 27.51 | 27.52 | -3.54% | |
| 28.80 | 28.90 | 28.01 | 28.53 | -0.73% | |
| 28.56 | 29.14 | 28.20 | 28.74 | +2.20% | |
| 28.52 | 29.10 | 27.75 | 28.12 | -0.64% | |
| 29.01 | 29.01 | 27.63 | 28.30 | -3.12% | |
| 29.05 | 29.53 | 28.65 | 29.21 | -1.32% | |
| 29.17 | 29.91 | 29.00 | 29.60 | +1.61% | |
| 28.01 | 29.72 | 28.01 | 29.13 | +3.04% | |
| 27.19 | 29.00 | 27.00 | 28.27 | +2.21% | |
| 29.29 | 29.54 | 27.00 | 27.66 | -7.15% | |
| 28.92 | 30.08 | 28.34 | 29.79 | +3.44% | |
| 28.70 | 29.00 | 27.87 | 28.80 | -2.96% | |
| 29.33 | 30.25 | 29.00 | 29.68 | -0.54% | |
| 29.07 | 30.62 | 28.64 | 29.84 | +0.84% | |
| 29.56 | 29.77 | 28.49 | 29.59 | +0.85% | |
| 29.69 | 30.40 | 29.16 | 29.34 | -1.01% | |
| 30.16 | 30.20 | 29.30 | 29.64 | -1.04% | |
| 28.40 | 30.10 | 28.22 | 29.95 | +4.17% | |
| 26.03 | 29.01 | 26.02 | 28.75 | +10.70% | |
| 29.26 | 29.46 | 25.72 | 25.97 | -10.11% | |
| 27.76 | 28.93 | 27.76 | 28.89 | +3.85% | |
| 26.69 | 27.86 | 26.00 | 27.82 | +4.35% | |
| 26.09 | 27.32 | 25.92 | 26.66 | +2.18% | |
| 27.40 | 27.40 | 25.47 | 26.09 | -4.64% | |
| 27.39 | 27.50 | 26.08 | 27.36 | -0.44% | |
| 26.91 | 27.48 | 26.32 | 27.48 | +2.16% | |
| 26.75 | 27.48 | 26.00 | 26.90 | +2.59% | |
| 25.62 | 26.80 | 25.58 | 26.22 | +3.27% | |
| 27.22 | 27.84 | 25.14 | 25.39 | -6.14% | |
| 29.80 | 30.34 | 26.60 | 27.05 | -4.21% | |
| 26.37 | 28.35 | 26.15 | 28.24 | +7.09% | |
| 25.50 | 26.59 | 25.25 | 26.37 | +2.29% | |
| 25.66 | 26.05 | 24.68 | 25.78 | +0.27% | |
| 26.24 | 26.45 | 25.01 | 25.71 | -2.69% | |
| 27.60 | 27.77 | 26.30 | 26.42 | -4.00% | |
| 27.40 | 28.64 | 26.95 | 27.52 | +0.66% | |
| 28.05 | 28.59 | 26.93 | 27.34 | -2.39% | |
| 27.61 | 28.35 | 27.36 | 28.01 | +1.41% | |
| 26.33 | 27.93 | 26.33 | 27.62 | +4.82% | |
| 26.80 | 27.75 | 25.93 | 26.35 | -1.68% | |
| 28.72 | 29.00 | 26.77 | 26.80 | -8.75% | |
| 30.06 | 30.34 | 29.16 | 29.37 | -1.81% | |
| 32.31 | 32.31 | 29.78 | 29.91 | -6.65% | |
| 31.29 | 32.05 | 31.10 | 32.04 | +1.39% | |
| 30.96 | 31.62 | 30.36 | 31.60 | +2.17% | |
| 31.56 | 31.90 | 30.18 | 30.93 | -2.55% | |
| 31.66 | 33.71 | 31.26 | 31.74 | +0.57% | |
| 31.07 | 31.58 | 29.31 | 31.56 | +0.54% | |
| 30.66 | 31.55 | 30.19 | 31.39 | +2.65% | |
| 32.24 | 32.95 | 30.40 | 30.58 | -5.35% | |
| 33.71 | 33.71 | 32.23 | 32.31 | -4.27% | |
| 34.15 | 34.69 | 32.72 | 33.75 | -0.76% | |
| 32.27 | 34.13 | 32.00 | 34.01 | +5.85% | |
| 33.33 | 33.41 | 31.73 | 32.13 | -3.57% | |
| 33.33 | 33.97 | 32.67 | 33.32 | -0.89% | |
| 33.75 | 33.78 | 32.67 | 33.62 | -1.12% | |
| 32.94 | 34.03 | 32.36 | 34.00 | +3.88% | |
| 36.00 | 36.50 | 31.51 | 32.73 | -9.54% | |
| 35.65 | 38.99 | 35.03 | 36.18 | +2.61% | |
| 32.50 | 35.26 | 32.35 | 35.26 | +9.00% | |
| 32.81 | 33.00 | 32.25 | 32.35 | -0.71% | |
| 33.60 | 33.80 | 32.26 | 32.58 | -2.75% | |
| 34.25 | 34.89 | 33.50 | 33.50 | -3.18% | |
| 36.43 | 36.43 | 34.22 | 34.60 | -4.16% | |
| 35.82 | 36.92 | 35.25 | 36.10 | +0.61% | |
| 35.84 | 36.50 | 35.05 | 35.88 | +0.03% | |
| 36.11 | 37.50 | 35.67 | 35.87 | +0.56% | |
| 36.19 | 38.82 | 35.58 | 35.67 | +0.82% | |
| 35.64 | 35.98 | 34.42 | 35.38 | +1.06% | |
| 35.56 | 36.00 | 34.92 | 35.01 | -0.74% | |
| 35.19 | 35.82 | 34.52 | 35.27 | +0.77% | |
| 34.41 | 35.61 | 34.41 | 35.00 | +2.97% | |
| 33.84 | 34.96 | 33.39 | 33.99 | +0.30% | |
| 37.72 | 39.47 | 33.28 | 33.89 | -10.32% | |
| 37.49 | 37.80 | 36.96 | 37.79 | +1.61% | |
| 37.78 | 37.93 | 36.70 | 37.19 | -0.61% | |
| 38.02 | 38.14 | 36.85 | 37.42 | -1.34% | |
| 38.45 | 39.65 | 37.32 | 37.93 | -1.48% | |
| 36.33 | 38.70 | 35.50 | 38.50 | +4.82% | |
| 38.77 | 39.71 | 36.63 | 36.73 | -3.34% | |
| 36.07 | 38.37 | 35.19 | 38.00 | +5.88% | |
| 36.03 | 36.36 | 35.00 | 35.89 | -1.21% | |
| 36.32 | 37.67 | 35.67 | 36.33 | -1.04% | |
| 34.60 | 37.71 | 34.00 | 36.71 | +3.35% | |
| 35.53 | 35.70 | 34.25 | 35.52 | -0.92% | |
| 33.31 | 36.23 | 32.97 | 35.85 | +8.21% | |
| 32.11 | 33.26 | 31.02 | 33.13 | +3.31% | |
| 31.70 | 32.40 | 31.50 | 32.07 | +2.79% | |
| 30.89 | 31.77 | 30.60 | 31.20 | -0.03% | |
| 32.11 | 32.68 | 30.92 | 31.21 | -2.80% | |
| 31.77 | 32.36 | 31.23 | 32.11 | +2.16% | |
| 30.80 | 32.37 | 30.80 | 31.43 | +0.83% | |
| 31.06 | 31.60 | 30.00 | 31.17 | +0.39% | |
| 30.32 | 31.80 | 30.30 | 31.05 | +3.09% | |
| 30.68 | 31.76 | 30.12 | 30.12 | -2.81% | |
| 30.89 | 32.44 | 30.49 | 30.99 | +0.32% | |
| 29.90 | 31.33 | 29.53 | 30.89 | +3.66% | |
| 29.24 | 30.24 | 28.82 | 29.80 | +1.92% | |
| 27.60 | 29.73 | 27.60 | 29.24 | +6.33% | |
| 28.27 | 28.75 | 27.39 | 27.50 | -2.31% | |
| 28.20 | 28.67 | 27.07 | 28.15 | -0.92% | |
| 30.50 | 30.78 | 28.25 | 28.41 | -7.73% | |
| 29.84 | 31.12 | 29.42 | 30.79 | +4.55% | |
| 28.92 | 30.20 | 28.82 | 29.45 | +1.27% | |
| 28.83 | 29.40 | 28.34 | 29.08 | +2.25% | |
| 28.11 | 28.54 | 27.50 | 28.44 | +0.18% | |
| 27.67 | 29.20 | 26.72 | 28.39 | +2.64% | |
| 26.51 | 28.00 | 25.75 | 27.66 | +4.34% | |
| 26.96 | 27.10 | 25.72 | 26.51 | -1.16% | |
| 25.71 | 27.17 | 23.84 | 26.82 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the ASMB chart for longer ranges.