MetaCap

Acumen Pharmaceuticals Stock Price History

NASDAQ: ABOSHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD

2.14+0.04 (+1.90%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

ABOS price history at a glance

The price history for Acumen Pharmaceuticals (ABOS) on this page begins on June 28, 2021, when the stock closed at $20.28; it most recently closed at $2.14 on October 5, 2026. The highest price in this record is $26.98, reached on June 28, 2021; the latest close is 92.1% below that peak. Across the 4 complete calendar years in the table, ABOS finished higher in 1 and lower in 3. Its best year was 2025 (+6.3%) and its worst was 2024 (-50.5%).

Over roughly 5 years the share price changed -89.4%, a -34.7% compound annual price return (excluding dividends). In the last 12 months alone, ABOS has lost 4.9%. 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 2021
$26.98
Date of high
Jun 28, 2021
Low since 2021
$0.855
Date of low
Apr 21, 2025
IPO year
2021
Last close
$2.14

ABOS returns

1 week

+4.90%

1 month

-24.91%

3 months

-18.63%

6 months

-13.36%

Year to date

+1.42%

1 year

-4.89%

3 years

-42.78%

5 years

-84.21%

ABOS price return, excluding dividends.

ABOS annual returns

Calendar-year price returns
YearYear-end closeReturn
20262.14+5.94%
20252.02+6.32%
20241.90-50.52%
20233.84-28.89%
20225.40-20.12%
2021*6.76-66.67%

* Partial year: the record begins after the start of 2021; return measured from the first available close.

2026 return is year to date.

ABOS daily prices (past year)

Daily open, high, low, close and volume
DateOpenHighLowCloseChange
2.122.172.082.14+1.90%
2.092.142.022.100.00%
2.022.172.012.10+3.45%
2.132.142.002.03-4.69%
2.042.162.022.13+4.41%
2.102.102.022.04-1.45%
2.222.292.072.07-6.76%
2.252.452.102.22-1.11%
2.302.422.222.25-2.39%
2.222.382.192.30+2.68%
2.252.302.222.24+0.22%
2.302.342.222.24-3.04%
2.632.632.302.31-13.02%
2.612.712.602.65+2.32%
2.632.652.562.59-2.26%
2.552.672.522.65+3.11%
2.692.762.542.57-1.53%
2.922.952.592.61-9.69%
2.772.902.692.89+3.58%
2.913.022.782.79-4.45%
2.932.992.842.92+2.10%
2.792.902.732.86+0.35%
3.143.162.842.85-9.81%
3.143.293.083.16-0.63%
3.073.233.033.18+2.91%
3.133.173.053.09-0.32%
2.933.132.933.10+6.16%
2.802.952.802.92+2.46%
2.902.922.762.85-2.40%
3.023.022.892.92-3.63%
2.983.172.983.03+1.34%
3.093.092.922.99-3.55%
3.093.173.043.10+0.81%
3.173.173.043.08-2.69%
3.213.343.143.16-0.94%
3.123.253.013.19+1.27%
2.793.172.793.15+14.96%
2.662.792.642.74+3.01%
2.662.742.622.66-0.37%
2.512.702.452.67+4.71%
2.502.552.392.55+1.59%
2.412.592.402.51+1.62%
2.442.502.422.47+1.65%
2.412.452.372.43-0.41%
2.292.442.292.44+7.02%
2.242.342.232.28+1.79%
2.262.302.222.240.00%
2.182.272.182.24+2.75%
2.172.212.112.18+1.40%
2.212.352.122.15-0.92%
2.122.192.102.17+2.84%
2.292.312.102.11-7.46%
2.202.392.132.28+3.64%
2.192.252.182.20+3.29%
2.202.202.122.13-1.84%
2.172.222.122.17-1.81%
2.192.242.182.21-0.90%
2.222.262.212.23+0.90%
2.252.302.162.21-1.78%
2.122.262.092.25+3.69%
2.232.232.122.17-2.25%
2.542.552.202.22-12.25%
2.672.752.512.53-4.17%
2.592.722.572.64+0.38%
2.732.732.542.63-2.59%
2.742.832.692.70-1.10%
2.542.752.542.73+6.23%
2.702.702.472.57-3.75%
2.742.782.662.67-2.55%
2.622.762.622.74+5.79%
2.652.702.502.59-3.00%
2.772.832.652.67-3.61%
2.382.792.382.77+17.37%
2.202.382.202.36+6.79%
2.322.352.202.21-4.33%
2.402.462.302.31-4.15%
2.352.512.352.41+0.42%
2.292.422.292.40+6.19%
2.322.382.242.26+0.44%
2.322.432.212.25-1.75%
2.352.422.292.29-2.14%
2.372.442.342.34-1.27%
2.362.492.362.370.00%
2.242.382.202.37+5.80%
2.192.342.192.24+2.28%
2.202.292.192.19+0.92%
2.172.272.152.17+0.93%
2.292.302.122.15-6.11%
2.302.432.272.290.00%
2.362.402.292.29-3.38%
2.512.512.372.37-5.58%
2.602.662.512.51-3.46%
2.542.632.522.60+2.36%
2.532.592.482.540.00%
2.462.602.452.54+4.96%
2.532.572.382.42-3.59%
2.502.602.492.51+0.80%
2.322.492.302.49+5.96%
2.182.382.182.35+8.29%
2.152.202.082.17-0.46%
2.282.302.142.18-4.39%
2.352.402.262.28-4.60%
2.512.522.382.39-4.02%
2.482.542.472.49+0.40%
2.582.622.442.48-3.50%
2.542.742.542.57+0.39%
2.502.572.412.56+3.64%
2.542.592.402.47-3.89%
2.542.622.522.57+1.98%
2.502.552.472.52+1.61%
2.392.532.352.48+4.20%
2.362.442.352.38-0.42%
2.352.442.342.39+2.14%
2.432.442.332.34-4.88%
2.512.542.452.46-2.38%
2.572.692.502.52-1.95%
2.662.672.542.57-3.75%
2.792.882.672.67-4.98%
2.762.862.762.81+2.93%
2.882.882.722.73-3.87%
2.832.992.822.84+0.71%
2.782.902.782.82+4.83%
2.682.742.662.69-1.10%
2.682.742.642.72+1.49%
2.562.722.552.68+6.77%
2.452.632.452.51+1.62%
2.522.552.452.47-1.59%
2.572.672.502.51-2.71%
2.762.782.542.58-1.90%
2.712.722.482.63-4.71%
2.742.812.672.76+2.22%
2.492.752.492.70+5.88%
2.382.632.382.55+8.05%
2.192.422.192.36+7.76%
2.282.322.172.19-3.10%
2.482.552.252.26-11.37%
2.562.752.362.55-3.04%
2.662.782.602.63+1.54%
2.682.682.522.59-4.43%
2.732.812.632.71+1.50%
2.882.942.662.67-8.56%
2.873.042.802.920.00%
3.083.082.882.92-5.50%
3.393.463.043.09-7.49%
3.503.603.213.34+2.14%
3.273.352.983.27-0.91%
3.333.363.093.30-2.08%
3.373.463.183.37+0.30%
3.153.503.153.36+7.01%
3.243.303.053.14-5.14%
3.263.403.233.31-0.90%
3.293.353.113.34+0.91%
3.363.373.133.310.00%
3.203.413.013.31+0.30%
3.143.322.973.30+5.10%
2.803.252.803.14+10.95%
2.802.892.752.83+1.80%
2.802.812.682.78+0.72%
2.572.802.482.76+6.98%
2.572.632.502.58+0.39%
2.682.752.562.57-5.51%
2.562.732.512.72+4.21%
2.462.652.412.61+6.53%
2.502.512.372.45-2.39%
2.392.652.392.51+5.02%
2.572.572.342.39-6.64%
2.482.582.332.56+3.64%
2.462.582.362.47-0.40%
2.402.512.252.48+3.33%
2.302.472.272.40+6.67%
2.402.432.212.25-8.16%
2.552.602.382.45-4.67%
2.612.652.392.57-0.77%
2.552.692.452.59-0.38%
2.782.792.452.60-6.81%
2.863.002.692.79-0.71%
2.963.052.632.81+3.31%
2.242.732.232.72+30.77%
2.413.012.012.08+5.05%
1.981.981.881.98-0.50%
1.812.031.811.99+9.94%
1.871.921.761.81-2.69%
1.841.921.821.86-1.59%
1.881.991.831.89+1.61%
1.801.881.731.86+3.91%
1.741.841.731.79+3.47%
1.721.761.681.73+0.58%
1.841.841.671.72-4.97%
1.851.851.701.81-2.69%
1.951.951.721.86-6.53%
1.982.041.951.99+1.53%
1.982.051.941.96-1.01%
2.082.131.901.98-1.98%
2.132.141.972.02-4.27%
2.002.142.002.11+5.76%
1.992.001.902.00-0.25%
2.092.111.982.00-5.21%
2.172.182.092.11-2.31%
2.162.182.122.16-0.46%
2.282.322.122.17-4.82%
2.172.392.142.28+6.05%
2.112.282.112.15+1.42%
2.082.122.012.12+3.41%
2.132.152.022.05-2.38%
2.022.112.002.10+1.94%
2.142.151.972.06-3.74%
2.002.192.002.14+9.18%
1.891.991.871.96+3.16%
1.921.961.881.90-2.56%
1.901.951.871.95+0.52%
1.861.951.851.94+4.30%
2.022.021.861.86-6.06%
1.932.001.901.98+2.59%
1.761.941.761.93+10.29%
1.891.891.751.75-7.89%
1.881.941.841.90+1.06%
1.962.021.881.88-3.59%
1.942.031.911.95+0.52%
1.711.961.651.94+14.12%
1.611.731.611.70+8.28%
1.551.611.531.57+0.64%
1.581.721.521.56+0.65%
1.661.701.511.55-6.63%
1.601.701.561.66+5.06%
1.731.741.501.58-8.67%
1.761.801.721.73-4.42%
1.902.001.781.81-7.18%
1.982.041.881.95-1.02%
1.891.981.871.97+4.23%
1.891.911.801.89+0.53%
1.861.921.741.88-1.05%
2.002.051.901.90-6.40%
1.952.091.952.03+4.64%
2.142.161.941.94-11.01%
2.212.242.112.18-1.36%
2.222.302.152.21-0.45%
2.272.332.192.22-1.77%
2.312.372.222.26-1.31%
2.212.462.122.29+4.09%
2.242.242.122.20-0.45%
2.122.352.112.21+4.74%
1.902.151.902.11+14.05%
1.962.031.851.85-6.57%
2.132.171.901.98-6.60%
2.072.202.042.12+4.43%
2.132.172.002.03-4.69%
2.282.322.112.13-6.58%
2.352.402.192.28-2.15%
2.082.352.012.33+9.91%
2.142.202.072.12-0.93%
2.292.352.112.14-4.89%
1.902.331.902.25—

Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the ABOS chart for longer ranges.