Acumen Pharmaceuticals, Inc. - Common stock, par value $0.0001 per share (ABOS)

Historical Holders from Q3 2021 to Q3 2025

Symbol
ABOS on Nasdaq
CUSIP
00509G209
Type / Class
Equity / Common stock, par value $0.0001 per share
Shares outstanding
60.7M
All holders as of September 30, 2025
Q3 2025
Total 13F shares, excl. options
35.7M
Holdings value
$61.1M
% of all portfolios
0%
Grand Portfolio weight change
0%
Number of holders
68
Number of buys
22
Number of sells
-40
Average Value change %
0%
Average buys %
+0%
Average sells %
0%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Acumen Pharmaceuticals, Inc. - Common stock, par value $0.0001 per share (ABOS)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
RA CAPITAL MANAGEMENT, L.P. 24.8% $16.5M 15M RA Capital Management, L.P. Mar 27, 2025
Sands Capital Alternatives, LLC 5.6% $4.85M 3.42M Sands Capital Alternatives, LLC Jun 30, 2025
FRANKLIN RESOURCES INC 3.8% $3.94M 2.31M Franklin Resources, Inc. Sep 30, 2025

Institutional Holders of Acumen Pharmaceuticals, Inc. - Common stock, par value $0.0001 per share (ABOS)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 35.7M $61.1M -$2.88M $1.71 68
2025 Q2 37.6M $43.6M -$2.1M $1.16 70
2025 Q1 39.4M $43.3M -$3.63M $1.10 79
2024 Q4 42.5M $73.1M -$2.31M $1.72 77
2024 Q3 43.6M $108M -$212K $2.48 72
2024 Q2 43.6M $105M +$1.21M $2.42 82
2024 Q1 1.31M $5.26M -$1.65M $4.05 13
2023 Q4 103K $396K +$265K $3.84 1
2023 Q3 43.2M $179M +$71.1M $4.15 63
2023 Q2 26.3M $127M -$5.31M $4.81 49
2023 Q1 27.8M $113M -$4.65M $4.06 60
2022 Q4 28.7M $155M -$5.55M $5.40 59
2022 Q3 27.5M $276M +$19.5M $10.03 48
2022 Q2 25.6M $120M -$6.03M $4.70 44
2022 Q1 27.1M $106M -$3.03M $3.91 53
2021 Q4 25.5M $173M -$1.79M $6.76 48
2021 Q3 24.1M $357M +$307M $14.86 41