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 2022?

44 institutional investors reported ABOS - Acumen Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share for Q2 2022. Use the holders table for investor-level position and value details.

CUSIP: 00509G209

Q2 2022 13F Holders as of 30 Jun 2022

Type / Class: Equity / Common Stock, $0.0001 par value per share
Shares outstanding: 72,227,200
Total 13F shares: 25,628,401
Share change: -1,423,514
Total reported value: $120,458,000
Price per share: $4.70
Number of holders: 44
Value change: -$6,031,616
Number of buys: 19
Number of sells: 36

Quarterly Holders Quick Answers

What is CUSIP 00509G209?
CUSIP 00509G209 identifies ABOS - Acumen Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q3 2022
Previous quarter: Q1 2022

Recent filing periods for CUSIP 00509G209:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders 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. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
RA CAPITAL MANAGEMENT, L.P.	13F	Company	14%	9,770,773	$38,204,000	—	31 Mar 2022	13F
BlackRock Finance, Inc.	13F	Company	5.3%	3,831,321	$14,980,000	—	31 Mar 2022	13F
Sands Capital Alternatives, LLC	13F	Company	4.7%	3,417,075	$13,361,000	—	31 Mar 2022	13F
Sands Capital Ventures Discovery Fund III, L.P.	3/4/5	10%+ Owner	— class O/S missing	3,417,075	$11,859,300	—	06 Jul 2021	3/4/5
Deep Track Capital, LP	13F	Company	3.6%	2,599,098	$10,162,000	—	31 Mar 2022	13F
VANGUARD GROUP INC	13F	Company	1.7%	1,234,771	$4,828,000	—	31 Mar 2022	13F
GREAT POINT PARTNERS LLC	13F	Company	1.3%	928,282	$3,630,000	—	31 Mar 2022	13F
Laurion Capital Management LP	13F	Company	0.91%	656,848	$2,568,000	—	31 Mar 2022	13F
PERCEPTIVE ADVISORS LLC	13F	Company	0.83%	596,942	$2,334,000	—	31 Mar 2022	13F
Paul B. Manning	3/4/5	10%+ Owner	— class O/S missing	657,985	$2,283,603	—	06 Jul 2021	3/4/5
Robert D. Hardie	3/4/5	10%+ Owner	— class O/S missing	657,985	$2,283,603	—	06 Jul 2021	3/4/5
Woodline Partners LP	13F	Company	0.69%	501,236	$1,960,000	—	31 Mar 2022	13F
GUARDIAN POINT CAPITAL, LP	13F	Company	0.69%	500,000	$1,955,000	—	31 Mar 2022	13F
MOORE CAPITAL MANAGEMENT, LP	13F	Company	0.5%	358,482	$1,402,000	—	31 Mar 2022	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.47%	342,646	$1,339,000	—	31 Mar 2022	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.46%	334,195	$1,307,000	—	31 Mar 2022	13F
BVF INC/IL	13F	Company	0.4%	289,663	$1,133,000	—	31 Mar 2022	13F
NORTHERN TRUST CORP	13F	Company	0.3%	216,168	$845,000	—	31 Mar 2022	13F
STATE STREET CORP	13F	Company	0.26%	184,858	$723,000	—	31 Mar 2022	13F
WMS Partners, LLC	13F	Company	0.25%	181,068	$708,000	—	31 Mar 2022	13F
CITADEL ADVISORS LLC	13F	Company	0.21%	153,247	$599,000	—	31 Mar 2022	13F
PURA VIDA INVESTMENTS, LLC	13F	Company	0.2%	145,195	$568,000	—	31 Mar 2022	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.18%	130,400	$510,000	—	31 Mar 2022	13F
Schonfeld Strategic Advisors LLC	13F	Company	0.12%	86,543	$338,000	—	31 Mar 2022	13F
Bank of New York Mellon Corp	13F	Company	0.1%	68,971	$270,000	—	31 Mar 2022	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.09%	63,251	$248,000	—	31 Mar 2022	13F
Nuveen Asset Management, LLC	13F	Company	0.05%	39,241	$235,000	—	31 Mar 2022	13F
LOS ANGELES CAPITAL MANAGEMENT LLC	13F	Company	0.08%	56,592	$221,000	—	31 Mar 2022	13F
Point72 Asset Management, L.P.	13F	Company	0.08%	55,054	$215,000	—	31 Mar 2022	13F
D. E. Shaw & Co., Inc.	13F	Company	0.07%	48,176	$188,000	—	31 Mar 2022	13F
STRS OHIO	13F	Company	0.06%	41,300	$161,000	—	31 Mar 2022	13F
MARSHALL WACE, LLP	13F	Company	0.05%	32,825	$129,000	—	31 Mar 2022	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.04%	26,055	$102,000	—	31 Mar 2022	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.03%	23,981	$94,000	—	31 Mar 2022	13F
RHUMBLINE ADVISERS	13F	Company	0.03%	20,273	$79,000	—	31 Mar 2022	13F
JPMORGAN CHASE & CO	13F	Company	0.02%	18,049	$71,000	—	31 Mar 2022	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.02%	15,736	$62,000	—	31 Mar 2022	13F
PRELUDE CAPITAL MANAGEMENT, LLC	13F	Company	0.02%	15,600	$61,000	—	31 Mar 2022	13F
DEUTSCHE BANK AG\	13F	Company	0.02%	15,501	$61,000	—	31 Mar 2022	13F
AMERICAN INTERNATIONAL GROUP, INC.	13F	Company	0.02%	14,047	$55,000	—	31 Mar 2022	13F
MORGAN STANLEY	13F	Company	0.02%	13,581	$53,000	—	31 Mar 2022	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.02%	12,162	$48,000	—	31 Mar 2022	13F
MANUFACTURERS LIFE INSURANCE COMPANY, THE	13F	Company	0.02%	12,200	$47,702	—	31 Mar 2022	13F
BARCLAYS PLC	13F	Company	0.02%	11,817	$46,000	—	31 Mar 2022	13F
Fiduciary Group, LLC	13F	Company	0.01%	10,000	$31,000	—	31 Mar 2022	13F
Cubist Systematic Strategies, LLC	13F	Company	0.01%	5,387	$21,000	—	31 Mar 2022	13F
UBS Group AG	13F	Company	0.01%	5,245	$21,000	—	31 Mar 2022	13F
AMALGAMATED BANK	13F	Company	0.01%	3,896	$15,000	—	31 Mar 2022	13F
Amalgamated Financial Corp.	13F	Company	0.01%	3,896	$15,000	—	31 Mar 2022	13F
CITIGROUP INC	13F	Company	0.01%	3,693	$14,000	—	31 Mar 2022	13F

Institutional Holders of Acumen Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share (ABOS) as of Q2 2022

As of 30 Jun 2022, Acumen Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share (ABOS) was held by 44 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 25,628,401 shares. The largest 10 holders included RA CAPITAL MANAGEMENT, L.P., Sands Capital Ventures, LLC, Deep Track Capital, LP, BlackRock Inc., GREAT POINT PARTNERS LLC, Laurion Capital Management LP, VANGUARD GROUP INC, MILLENNIUM MANAGEMENT LLC, PERCEPTIVE ADVISORS LLC, and GUARDIAN POINT CAPITAL, LP. This page lists 44 institutional shareholders reporting positions in this security for the Q2 2022 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q2 2022 vs Q1 2022 Across Filers

Q1 2022 holders

Q2 2022 holders

Holder diff

-9

Investor	Q1 2022 Shares	Q2 2022 Shares	Share Diff	Share Chg %	Q1 2022 Value $	Q2 2022 Value $	Value Diff $	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* 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.