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

Q: What does CUSIP 00509G209 represent in this 13F holders report?

CUSIP 00509G209 is the security identifier for ABOS - Acumen Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share used to aggregate holder disclosures.

Q: How many institutions held ABOS - Acumen Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share in Q2 2024?

81 institutional investors reported ABOS - Acumen Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share for Q2 2024. Use the holders table for investor-level position and value details.

CUSIP: 00509G209

Q2 2024 13F Holders as of 30 Jun 2024

Security type / class: Equity / Common Stock, $0.0001 par value per share
Total 13F shares: 43,581,156
Total 13F value: $105,487,337
Share change: +193,760
Put/Call ratio: 28%
SEC-reported price per share: $2.42
Number of holders: 81
Value change: -$2,322,503
Number of buys: 44
Number of sells: 40
Shares outstanding: 72,227,200

Security key

00509G209

Report period

Q2 2024

Institutions

Top holders

ABOS full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 Acumen Pharmaceuticals, Inc. SEC filings Acumen Pharmaceuticals, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 00509G209

Newer quarter: Q3 2026

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of ABOS - Acumen Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Sands Capital Ventures Di...

Disclosed value leader

RA CAPITAL MANAGEMENT, L.P.

Comparable rows

0/15

Latest evidence

31 Mar 2024

3/4/5 13F Highest disclosed value: $60,474,855 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

RA CAPITAL MANAGEMENT, L.P. has the largest disclosed position value at $60.47M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens RA CAPITAL MANAGEMENT, L.P.'s linked filing trail.

Disclosed position value Top 5

Sands Capital Ventures Discovery ... $11.86M

Paul B. Manning $2.28M

Robert D. Hardie $2.28M

RA CAPITAL MANAGEMENT, L.P. $60.47M

Sands Capital Alternatives, LLC $13.84M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Sands Capital Ventures Discovery Fund III, L.P.	3/4/5 10%+ Owner 3/4/5	— denominator unverified	$11,859,300 3,417,075 shares	—	06 Jul 2021
Paul B. Manning	3/4/5 10%+ Owner 3/4/5	— denominator unverified	$2,283,603 657,985 shares	—	06 Jul 2021
Robert D. Hardie	3/4/5 10%+ Owner 3/4/5	— denominator unverified	$2,283,603 657,985 shares	—	06 Jul 2021
RA CAPITAL MANAGEMENT, L.P.	13F Company 13F	— denominator unverified	$60,474,855 14,932,063 shares	—	31 Mar 2024
Sands Capital Alternatives, LLC	13F Company 13F	— denominator unverified	$13,839,154 3,417,075 shares	—	31 Mar 2024
FRANKLIN TEMPLETON INC	13F Company 13F	— denominator unverified	$13,751,443 3,395,418 shares	—	31 Mar 2024

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2024

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

43,581,156

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2024 vs Q1 2024 Across Filers

Q1 2024 holders

Q2 2024 holders

Holder diff

Investor	Q1 2024 Shares	Q2 2024 Shares	Share Diff	Share Chg %	Q1 2024 value	Q2 2024 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend