ABOS

Acumen Pharmaceuticals, Inc.

Nasdaq · Biological Products, (No Diagnostic Substances) · Inc. DE · CIK 0001576885
$2.19 +0.92% $156.7M
Vol
Market Cap$156.7M
Cap SizeMicro Cap
Analyst ConsensusStrong Buy (92%)
Inst. Holders7 funds
Inst. Value$9.8M
Inst. Activity0 buys / 2 sells
Insider Activity0B / 1S
Insider Net $-$6.8K
Reddit Sentiment60° Warm
SEC Reports3
Press Releases3
Exchange Nasdaq·Sector Biological Products, (No Diagnostic Substances)·Inc. DE·CIK 0001576885·Prev Close $2.17

Recent Activity

Jun 3, 2026 Insider
RA CAPITAL MANAGEMENT, L.P. sold 35,500 shares
Director @ $0.00 ($0.00)
Jun 3, 2026 Insider
RA CAPITAL MANAGEMENT, L.P. sold 53,250 shares
Director @ $0.00 ($0.00)
Jun 3, 2026 Insider
Drapkin Kimberlee C sold 35,500 shares
Director @ $0.00 ($0.00)
May 12, 2026 SEC
Acumen Pharmaceuticals reported Q1 2026 results with a net loss of $20.7M ($0.33/share), narrower than the $28.8M loss (
8-K — Impact 3/10
May 12, 2026 SEC
Acumen Pharmaceuticals reported Q1 2026 EPS of -$0.33 (GAAP) vs consensus of -$0.46, a 28.3% beat, with net loss narrowi
PRESS-RELEASE — Impact 5/10
May 12, 2026 earnings
Acumen Pharmaceuticals Reports First Quarter 2026 Financial Results and Business Highlights
<p>NEWTON, Mass., May 12, 2026 (GLOBE NEWSWIRE) -- <a href="https://www.globenewswire.com/Tracker?
Mar 26, 2026 SEC
Acumen Pharmaceuticals filed an S-3 shelf registration to register the resale of up to 10,833,331 shares of common stock
S-3 — Impact 5/10
Inst.
RENAISSANCE TECHNOLOGIES LLC — TRIM
423,100 shares ($892.7K)

Price Targets

$7.40 +237.9% upside Strong Buy
Current $2.19 Low $4.00 Median $8.00 High $10.00 5 analysts
$4.00 $10.00

Analyst Ratings

Strong Buy92% buy · 12 analysts
6Strong Buy
5Buy
1Hold
0Sell
0Strong Sell
Recent Analyst Actions
DateFirmActionRating
Mar 26, 2026 BTIG REITERATE Buy → Buy
Mar 16, 2026 BTIG MAINTAIN Buy → Buy
Jan 27, 2026 BTIG MAINTAIN Buy → Buy

Earnings Estimates

PeriodEPS Est.RangeGrowth#
Current Q $-0.41 ▲ +11.9% $-0.49 — $-0.32 40% YoY 3
Next Q $-0.42 ▲ +3.8% $-0.51 — $-0.33 4% YoY 3
Current FY $-1.58 ▲ +13.7% $-1.76 — $-1.32 21% YoY 3
Next FY $-1.51 ▼ -8.2% $-1.68 — $-1.35 5% YoY 3

Top Institutional Holders

FundValueMove
FMR LLC$4.3M
VANGUARD GROUP INC$3.5M
RENAISSANCE TECHNOLOGIES LLC$892.7KTRIM
BANK OF AMERICA CORP$506.7KADD
MORGAN STANLEY$352.2KTRIM

Recent Insider Trades

DateInsiderTypeValue
Jun 3, 2026RA CAPITALA$0.00
Jun 3, 2026RA CAPITALA$0.00
Jun 3, 2026Drapkin KimberleeA$0.00
Jun 3, 2026Drapkin KimberleeA$0.00
Jun 3, 2026Fountain NathanA$0.00

Reddit Sentiment

60°
Warm
Bearish Neutral Bullish
1 mentions 1 bullish 0 bearish
7 institutional holders with $9.8M total value (4,661,747 shares) as of 2025-Q4. Top holders: FMR, VANGUARD, RENAISSANCE. Net selling activity: 2 institutions trimmed/exited vs 0 added.

Top Institutional Holders — 2025-Q4

#FundSharesValue% of TrackedLast Move
1FMR LLC2,027,497$4.3M43.5%
2VANGUARD GROUP INC1,653,772$3.5M35.5%
3RENAISSANCE TECHNOLOGIES LLC423,100$892.7K9.1%TRIM -27.6%
4BANK OF AMERICA CORP /DE/240,152$506.7K5.2%ADD +45.4%
5MORGAN STANLEY166,905$352.2K3.6%TRIM -42.7%
6TWO SIGMA INVESTMENTS, LP143,221$302.2K3.1%TRIM -28.2%
7WELLS FARGO & COMPANY/MN7,100$15.0K0.2%NEAR_EXIT -75.3%

Recent Position Changes

FundActionPrev SharesCurr SharesChange %ValueQuarter
RENAISSANCE TECHNOLOGIES LLCTRIM584,292423,100-27.6%$892.7K2025-Q4
TWO SIGMA INVESTMENTS, LPTRIM199,446143,221-28.2%$302.2K2025-Q4
RENAISSANCE TECHNOLOGIES LLCDOUBLED246,588584,292+137.0%$999.1K2025-Q3
BANK OF AMERICA CORP /DE/ADD147,009213,729+45.4%$365.5K2025-Q3
UBS Group AGTRIM94,42230,841-67.3%$52.7K2025-Q3
WELLS FARGO & COMPANY/MNNEAR_EXIT27,6786,825-75.3%$7.9K2025-Q2
CHARLES SCHWAB INVESTMENT MANAGEMENT INCEXIT116,9020-100.0%$0.002025-Q2
MORGAN STANLEYTRIM266,216152,636-42.7%$167.9K2025-Q1
UBS Group AGDOUBLED22,751141,492+521.9%$243.4K2024-Q4
MORGAN STANLEYDOUBLED87,809239,200+172.4%$593.2K2024-Q3
CHARLES SCHWAB INVESTMENT MANAGEMENT INCNEW108,743$269.7K2024-Q3
9 unique insiders with 1 transactions. Net insider value: -$6.8K ($0.00 bought, $6.8K sold).

Insider Transactions

DateInsiderTitleTypeSharesPriceValue
Jun 3, 2026RA CAPITAL MANAGEMENT, L.P.DirectorA35,500$0.00$0.00
Jun 3, 2026RA CAPITAL MANAGEMENT, L.P.DirectorA53,250$0.00$0.00
Jun 3, 2026Drapkin Kimberlee CDirectorA35,500$0.00$0.00
Jun 3, 2026Drapkin Kimberlee CDirectorA53,250$0.00$0.00
Jun 3, 2026Fountain Nathan BDirectorA35,500$0.00$0.00
Jun 3, 2026Fountain Nathan BDirectorA53,250$0.00$0.00
Jun 3, 2026Stalfort John A IIIDirectorA35,500$0.00$0.00
Jun 3, 2026Porter DerrellDirectorA53,250$0.00$0.00
Jun 3, 2026Porter DerrellDirectorA35,500$0.00$0.00
Jun 3, 2026Stoppel LauraDirectorA35,500$0.00$0.00
Jun 3, 2026Ives Jeffrey L.DirectorA35,500$0.00$0.00
Jun 3, 2026Stalfort John A IIIDirectorA53,250$0.00$0.00
Jun 3, 2026Golumbeski GeorgeDirectorA53,250$0.00$0.00
Jun 3, 2026Golumbeski GeorgeDirectorA35,500$0.00$0.00
Jun 3, 2026Ives Jeffrey L.DirectorA53,250$0.00$0.00
Jun 3, 2026Stoppel LauraDirectorA53,250$0.00$0.00
Mar 16, 2026RA CAPITAL MANAGEMENT, L.P.DirectorA6,060,606$3.30$20.0M
Mar 6, 2026Meisner Derek MChief Legal Officer & Corp SecM2,090$1.85$3.9K
Mar 6, 2026Meisner Derek MChief Legal Officer & Corp SecSELL2,090$3.26$6.8K
Mar 6, 2026Meisner Derek MChief Legal Officer & Corp SecM2,090$0.00$0.00
Feb 27, 2026Meisner Derek MChief Legal Officer & Corp SecM9,406$1.85$17.4K
Feb 27, 2026Meisner Derek MChief Legal Officer & Corp SecM9,406$0.00$0.00
Current analyst consensus: Strong Buy (92% buy). Based on 12 analysts: 6 strong buy, 5 buy, 1 hold, 0 sell, 0 strong sell.

Analyst Price Targets

$7.40 mean target +237.9% upside Strong Buy (1.00)
$4.00 Low $10.00 High
MetricValue
Current Price$2.19
Target Low$4.00
Target Mean$7.40
Target Median$8.00
Target High$10.00
# Analysts5
RecommendationStrong Buy (1.00)

Earnings Estimates & Revisions

PeriodEPS AvgEPS LowEPS HighEPS Growth30d Rev.Up/DownRev. AvgRev. GrowthAnalysts
Current Q
2026-06-30
$-0.41 $-0.49 $-0.32 40.4% +11.9% $0.0B 0.0% 3
Next Q
2026-09-30
$-0.42 $-0.51 $-0.33 3.8% +3.8% $0.0B 0.0% 3
Current FY
2026-12-31
$-1.58 $-1.76 $-1.32 20.8% +13.7% 1↑ 0↓ $0.0B 0.0% 3
Next FY
2027-12-31
$-1.51 $-1.68 $-1.35 4.9% -8.2% 1↑ 0↓ $0.0B 0.0% 3

Current Quarter EPS Revision History

TimepointEPS EstimateChange
Current$-0.405
7d ago$-0.422+0.017
30d ago$-0.460+0.055
60d ago$-0.460+0.055
90d ago$-0.460+0.055
1 analyst firms have rated this stock: 0 upgrades, 0 downgrades, 0 initiations.

Individual Analyst Actions

DateAnalyst FirmActionPrevious RatingNew Rating
Mar 26, 2026 BTIG REITERATE Buy Buy
Mar 16, 2026 BTIG MAINTAIN Buy Buy
Jan 27, 2026 BTIG MAINTAIN Buy Buy

Monthly Consensus History

PeriodStrong BuyBuyHoldSellStrong SellBuy %Distribution
Jun 1, 20266510092%
May 1, 20266510092%
Apr 1, 20266510092%
Mar 1, 20266510092%
Feb 1, 20266510092%
Jan 1, 20266510092%
Strong BuyBuyHoldSellStrong Sell

No congressional trading data available for this ticker. Data is sourced from Senate and House financial disclosure filings.

60°
Warm
Bearish Neutral Bullish
1 mentions 1 bullish 0 bearish 1 time period

Reddit Sentiment History

DateMentionsSentimentBullishBearishThreads
Feb 12, 2026160° Warm101

Recent Reddit Threads

r/pennystocks Bullish 3mo ago
$ABOS - up to 300% spike prediction. What`s your thought about this ticker.
▲ 8 💬 7 ⚡ 0.1
May 12, 2026
earnings
Acumen Pharmaceuticals Reports First Quarter 2026 Financial Results and Business Highlights
<p>NEWTON, Mass., May 12, 2026 (GLOBE NEWSWIRE) -- <a href="https://www.globenewswire.com/Tracker?data=3zunWdg53cpXYGJOymmNegYsexqjb5FdCrmk5Czf7zaFc
May 12, 2026
earnings_calendar
ABOS Q1 2026 Earnings Scheduled — 2026-05-12
May 11, 2026
earnings_calendar
ABOS Q1 2026 Earnings Scheduled — 2026-05-11
May 7, 2026
other
Acumen Pharmaceuticals to Participate in the Bank of America Securities 2026 Health Care Conference
<p align="left">NEWTON, Mass., May 07, 2026 (GLOBE NEWSWIRE) -- <a href="https://www.globenewswire.com/Tracker?data=BHonimD9qP4wrg7AG5_ifTx2JSDqsy92
May 5, 2026
earnings
Acumen Pharmaceuticals to Report First Quarter Financial Results on May 12, 2026
<p>NEWTON, Mass., May 05, 2026 (GLOBE NEWSWIRE) -- <a href="https://www.globenewswire.com/Tracker?data=wWeyqc9r5OEatBpFhZ1VtUZJyrRBpFS8XGzntVfkMvUgV
Mar 26, 2026
earnings
Acumen Pharmaceuticals Reports Financial Results for the Year Ended December 31, 2025 and Business Highlights
<p>NEWTON, Mass., March 26, 2026 (GLOBE NEWSWIRE) --  <a href="https://www.globenewswire.com/Tracker?data=FfNp0mqT1Cqp0dSmsZb6xAiEgOXHXEofxnY_aoDHbI
Mar 26, 2026
earnings_calendar
ABOS Q4 2025 Earnings After Market Close — 2026-03-26
Mar 19, 2026
earnings
Acumen Pharmaceuticals to Report Fourth Quarter and Year-End 2025 Financial Results on March 26, 2026
<p>NEWTON, Mass., March 19, 2026 (GLOBE NEWSWIRE) -- <a href="https://www.globenewswire.com/Tracker?data=QY6bOSvufPuHQcHM7jPVjF6XaA3MS7AyrLMbEB7MCJw
Mar 16, 2026
offering
Acumen Pharmaceuticals Announces $35.75 Million Private Placement to Advance Potential Best-in-Class Molecules from Amyloid Beta Oligomer-Selective Enhanced Brain Delivery Portfolio
<p>NEWTON, Mass., March 16, 2026 (GLOBE NEWSWIRE) --  <a href="https://www.globenewswire.com/Tracker?data=B43QySpFz4N8XMLyVUtTXsRSjG58xnCJBQN04wZcWL
Mar 10, 2026
other
Acumen Pharmaceuticals to Participate in the Stifel 2026 Virtual CNS Forum
<p>NEWTON, Mass., March 10, 2026 (GLOBE NEWSWIRE) -- <a href="https://www.globenewswire.com/Tracker?data=miSn7hFmX2ega561eKdQK2XZ2_4AXkf35nv8tNKbXvP