RA CAPITAL MANAGEMENT, L.P.

Holdings History for Acumen Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share (ABOS)

Symbol: ABOS on Nasdaq
Investment type: Equity - Shares of Stock
Class: Common Stock, $0.0001 par value per share
Latest Disclosed Ownership: 15M shares
Security Ownership: 24.8%

Shares, Excluding Options vs Price

Value, Excluding Options

RA Capital Management, L.P. ownership in Acumen Pharmaceuticals, Inc. Common Stock, $0.0001 par value per share (ABOS)

2025-03-31 - RA Capital Management, L.P. has filed an SCHEDULE 13D/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 15M shares of Acumen Pharmaceuticals, Inc. Common Stock, $0.0001 par value per share (ABOS). This represents 24.8% percent ownership of the company.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
RA Capital Management, L.P.	24.8%		$19.1M	15M			$1.27	13D/A	3/27/2025	31 Mar 2025 16:57:22

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
12/31/2024	0.34%		$25.7M	14.9M			$1.72	Q4 2024
9/30/2024	0.43%		$37M	14.9M			$2.48	Q3 2024
6/30/2024	0.48%		$36.1M	14.9M			$2.42	Q2 2024
3/31/2024	0.78%		$60.5M	14.9M			$4.05^*	Q1 2024
12/31/2023	0.9%		$57.3M	14.9M			$3.84	Q4 2023
9/30/2023	1.22%	+0.43%	$62M	14.9M	+5,161,290	+52.8%	$4.15	Q3 2023
6/30/2023	0.89%		$47M	9.77M			$4.81	Q2 2023
3/31/2023	0.9%		$39.7M	9.77M			$4.06	Q1 2023
12/31/2022	1.07%		$52.8M	9.77M			$5.40	Q4 2022
9/30/2022	2.09%		$98M	9.77M			$10.03	Q3 2022
6/30/2022	1.22%		$45.9M	9.77M			$4.70	Q2 2022
3/31/2022	0.83%		$38.2M	9.77M			$3.91	Q1 2022
12/31/2021	1.16%		$66.1M	9.77M			$6.76	Q4 2021
9/30/2021	2.01%	+2.36%	$145M	9.77M	+9,770,773	NEW	$14.86	Q3 2021

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.