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NASDAQ · Biotechnology · USD

Acumen Pharmaceuticals, Inc. (ABOS) Stock Analysis

Acumen Pharmaceuticals, Inc. (ABOS) is a Biotechnology stock listed on NASDAQ and quoted in US Dollar.

Last Updated: October 21, 2026

ABOS

$2.03

+$0.01 (+0.74%)

Oct 21, 2026 · Market close

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Price History

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ABOS Key Statistics

As of Oct 21, 2026
Trading
Open
$2.00
Previous Close
$2.02
Day's Range
1.99–2.08
52-Week Range
1.50–3.60
Volume
397.63K
BetaHow much the share price moves relative to the wider market. 1.0 moves in line with it; above 1.0 swings more, below 1.0 less.
0.33
Valuation
Market Cap
$146.80M
P/E Ratio
unprofitable
EPS (ttm)Profit attributable to each share over the last twelve months.
−1.64
Financials (FY)
Revenue (FY)
$0.00
Net Income (FY)
−$121.34M
Shares OutstandingThe total number of shares held by all investors. Market value is this figure multiplied by the share price.
72.32M
1-Year Return
+2.53%
Dividend and dates
Earnings Date
October 26, 2026
Avg Volume
449.33K

Only metrics the company reports are shown. Data provided by Yahoo Finance via yfinance. Updated daily.

Key facts

As of October 21, 2026, ABOS closed at $2.03, +2.53% over 1 year.

Acumen Pharmaceuticals, Inc. (ABOS) has a market capitalization of $146.80M.

In fiscal 2025, ABOS reported revenue of $0.00.

ABOS Stock Return by Calendar Year

Acumen Pharmaceuticals, Inc. (ABOS) return since Jul 2021: what $10,000 became

1 year
$10,000 $10,253
+2.53%
5 years
$10,000 $1,394
−86.06%
Since Jul 2021
$10,000 $1,010
−89.90%

If you had invested $10,000 in Acumen Pharmaceuticals, Inc. (ABOS) at the close on July 1, 2021, the earliest close on record here, it would have been worth $1,010 at the close on October 21, 2026: −89.90% in total, −35.09% a year, over a partial period shorter than 10 years. A historical calculation from closing prices adjusted for splits and dividends, before fees and taxes.

Calendar-year returns computed from daily closing prices. Partial years are shown muted and marked with an asterisk.

YearReturn
2026 (partial year)−3.79%
2025+22.67%
2024−55.21%
2023−28.89%
2022−20.12%
2021 (partial year)−66.37%

As of October 21, 2026.

ABOS Revenue and Earnings by Fiscal Year

FY ends December
Fiscal yearRevenueNet incomeNet margin
2025$0.00−$121.34M—
2024$0.00−$102.33M—
2023$0.00−$52.37M—
2022$0.00−$42.86M—
Fiscal yearRevenueGross profitOperating incomeNet incomeNet margin
2025$0.00—−$123.83M−$121.34M—
2024$0.00—−$114.02M−$102.33M—
2023$0.00—−$61.14M−$52.37M—
2022$0.00—−$45.24M−$42.86M—

Annual figures as reported, in the company's reporting currency. As of December 31, 2025.

Recent News

All 9 articles ↓

News provided by third-party sources. Not financial advice.

Analysis

Data-derived

Company Overview

The market values Acumen Pharmaceuticals, Inc. (ABOS) at $146.80M. It is classified in the Biotechnology industry, within the Healthcare sector. The company reports 60 employees.

The 52-week range on file runs from $1.50 to $3.60. The most recent close on file for ABOS is $2.03, dated October 21, 2026. That is +$0.01 (+0.74%) against the previous close. The latest close sits 35.33% above that 52-week low.

Financial Health

In fiscal 2025, Acumen Pharmaceuticals, Inc. reported revenue of $0.00. The same year closed with a net loss of $121.34M. Earnings per share on a trailing basis come to −1.64.

Across the 4 fiscal years on file, revenue moves from $0.00 in 2022 to $0.00 in 2025. Of those 4 years, 0 report positive net income.

Valuation Assessment

The record shows negative trailing earnings, so no price-to-earnings ratio is published.

The trailing one-year total return is +2.53%. Across 5 years the annualized return works out at −32.57%. Beta against the wider market is reported at 0.33. Daily returns over the trailing 5 years annualize to a volatility of 97.25%.

Growth & Income

The record shows no dividend for ABOS.

2026 is still running; the total return is −3.79% year to date. Across the complete calendar years on file, 2025 returned +22.67% and 2024 returned −55.21%. Of the 4 complete calendar years on file, 1 finished higher.

Peer Comparison

Acumen Pharmaceuticals, Inc. (ABOS) operates in the Biotechnology industry. Here is how it compares to its closest peers by market capitalization:

Company Ticker Market Cap P/E Ratio
Acumen Pharmaceuticals, Inc. ABOS $146.80M —
Vertex Pharmaceuticals Incorporated VRTX $132.95B 30.4
Moderna, Inc. MRNA $98.14B —
Regeneron Pharmaceuticals, Inc. REGN $82.95B 19.9

The Biotechnology industry average P/E ratio is 16.6x. Acumen Pharmaceuticals, Inc. has no P/E ratio because it is not currently profitable.

Every figure above is read from this page's own data on each daily rebuild. Informational only, not financial advice. As of October 21, 2026.

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About Acumen Pharmaceuticals, Inc.

Acumen Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, develops targeted therapies for the treatment of Alzheimer's disease. It focuses on advancing a targeted immunotherapy drug candidate, sabirnetug (ACU193), which is in its Phase 2 ALTITUDE-AD clinical trial to target toxic soluble amyloid beta oligomers. Acumen Pharmaceuticals, Inc. has a collaboration and license agreement with Halozyme, Inc. for the development of a subcutaneous formulation of Sabirnetug, as well as with JCR Pharmaceuticals Co. Ltd for the development of Aß oligomer-targeted enhanced brain delivery therapy for the treatment of Alzheimer's disease. The company was incorporated in 1996 and is headquartered in Newton, Massachusetts.

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