Acumen Pharmaceuticals, Inc.

Stage 3 · Topping · week 2

As of Oct 22, 2026, Acumen Pharmaceuticals is in Stage 3, the topping phase, now in week 2 (since Oct 9, 2026). It closed at $2.06, 38.9% below its 52-week high and below its 200-day average, which is falling.

Acumen Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, develops targeted therapies for the treatment of Alzheimer's disease. More about the company

$2.06

+1.48% today

$149M · Micro cap

Market Neutral — Building

Pro read

Pro

Our read

Topping: the uptrend is tiring

Setup score

—

Momentum

Steady

Edge

—

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Stage Cycle Timeline2023-08-16 → 2026-10-22

S1 17w

S4 16w

S4 29w

S2 17w

S2 15w

2023-08-162026-10-22

S1S2S3S4Setup score (0–10, dashed line at 5)

S2 6w → S3 3w → S4 12w → S1 17w → S4 16w → S1 3w → S4 6w → S1 4w → S4 29w → S1 11w → S2 17w → S3 3w → S2 15w → S3 13w → S4 1w → S3 1w → S2 7w → S3 2w current

Total tracked: 165 weeks across 18 stage runs.

ABOS among Biotechnology174th of 591 by relative strength

All 591 →

Stocks in Biotechnology ranked by relative strength, with stage and one-month change
#	Stock	Stage	RS	1M
1	GTBPGT Biopharma, Inc.	Stage 2 · wk 7	99	−22.3%
2	IOVAIovance Biotherapeutics, Inc.	Stage 2 · wk 18	99	+38.8%
3	SLSSELLAS Life Sciences Group, Inc.	Stage 3 · wk 4	99	−1.5%
4	MRNAModerna, Inc.	Stage 2 · wk 17	99	+11.3%
5	TWSTTwist Bioscience Corporation	Stage 2 · wk 39	99	−14.5%
6	KODKodiak Sciences Inc	Stage 2 · wk 4	99	+172.1%
7	ERASErasca, Inc.	Stage 3 · wk 5	99	+0.7%
8	CLYMClimb Bio, Inc.	Stage 3 · wk 3	99	−15.8%
…174	ABOSAcumen Pharmaceuticals, Inc.	Stage 3 · wk 2	58	−10.6%

vs 52W High

-38.9%

$1.55 lo$3.37 hi

38.9% below 52W high, weakening from peak

The stock is rolling over from its 52-week high. In Stage 3 distribution, new long positions carry high risk.

Stage Maturity

Week 2

1w13w26w

Week 2, early distribution

How long this stock has been in Stage 3 distribution. Longer tops often precede deeper Stage 4 declines.

vs 200 DMA

-17.6%

200 DMA: $2.50 · sloping down

Stock is losing its 200 DMA. Once lost, it confirms Stage 4 risk. This is a major red flag for existing holders.

Rel Volume

1.16x

vs 50-day avg

Volume spikes on down days during Stage 3 signal distribution, with institutions exiting. Stage analysis reads that as a warning against new long positions.

Trend Health

↓

Short-term trend rolling over

Two reads of momentum. The arrow shows the direction of the short-term trend: rising (↑ or ↗), flat (→) or rolling over (↓). The ⇈ mark appears when our trend model reads the move as gaining speed on top of the longer trend. Strongest when both agree.

-10.6%

-3.3%

-22.8%

YTD

+2.0%

+4.0%

Scan Membership

Breakout Watch

Latest: 2023-07-21

2 appearances in last 60 days. First seen: 2022-09-01.

A stock that keeps qualifying week after week does so because its Stage 2 structure keeps holding. Staying power in the scan says more about the trend than any single appearance.

Recent Stage Timeline

2026-10-22S3

Wk 2 · Vol 1.16x

2026-10-21S3

Wk 2 · Vol 0.78x

2026-10-20S3

Wk 2 · Vol 1.65x

2026-10-19S3

Wk 2 · Vol 0.58x

2026-10-16S3

Wk 2 · Vol 0.95x

2026-10-15S3

Wk 1 · Vol 1.30x

2026-10-14S3

Wk 1 · Vol 1.35x

2026-10-13S3

Wk 1 · Vol 1.44x

2026-10-12S3

Wk 1 · Vol 0.65x

2026-10-09S32→3

Wk 1 · Vol 0.80x

2026-10-08S2

Wk 7 · Vol 1.13x

2026-10-07S2

Wk 7 · Vol 1.38x

Moving averages & range

50 DMA

$2.52

200 DMA

$2.50

52W High

$3.37

52W Low

$1.55

5D Low

$1.69

Resistance levels (recent highs)

20d High

$2.30

60d High

$3.19

120d High

$3.19

250d High

$3.37

Next resistance

+11.7%

to 20d High

ROE

-120.5%

Profit margin 0.0%

Dividend Yield

0.00%

P/B 2.6

Acumen Pharmaceuticals: quick answers

What stage is Acumen Pharmaceuticals in?

As of Oct 22, 2026, Acumen Pharmaceuticals (ABOS) is in Stage 3, the topping phase. It entered Stage 3 on Oct 9, 2026 and is in week 2. What the four stages mean

Is Acumen Pharmaceuticals in an uptrend?

Its uptrend has stalled. Acumen Pharmaceuticals is in Stage 3, the topping phase that follows an advance. It trades 17.6% below its 200-day average, which is falling.

How far is Acumen Pharmaceuticals from its 52-week high?

Acumen Pharmaceuticals closed at $2.06 on Oct 22, 2026, 38.9% below its 52-week high of $3.37. Its 52-week low is $1.55.

How has Acumen Pharmaceuticals performed over the past year?

As of Oct 22, 2026, Acumen Pharmaceuticals is up 4.0% over the past year and up 2.0% so far in 2026.

Which sector and industry is Acumen Pharmaceuticals in?

Acumen Pharmaceuticals is in the Biotechnology industry, part of the Health Care sector.

About this companyHealth Care· Biotechnology

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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All analytics based on EOD data. Data as of 2026-10-22. Past data patterns are not indicative of future results. This page is a data analytics tool only.