Acumen Pharmaceuticals, Inc.(ABOS)

$2.58▲0.10 (3.82%)

Chart

Acumen Pharmaceuticals, Inc.(ABOS)

NASDAQ

$2.58▲0.10 (3.82%)

Chart Studio

ABOS(ABOS)

ABOS

Overview Intelligence Chart History Fundmntls TTM Earnings Growth Analysts News Financials Insiders Institl.DCF Peers

Institutional Ownership

Top 101 Institutional Holders

Holder	Shares	Date	Change	% Held
RA CAPITAL MANAGEMENT, L.P.	20.99M	Mar 31, 26	+6.06M	34.66%
Sands Capital Ventures, LLC	3.72M	Mar 31, 26	+303.03K	6.14%
Alyeska Investment Group, L.P.	2.45M	Mar 31, 26	+1.52M	4.05%
FRANKLIN RESOURCES INC	2.31M	Mar 31, 26	--	3.81%
ADAR1 Capital Management, LLC	2.16M	Mar 31, 26	+1.27M	3.56%
Knollwood Investment Advisory, LLC	1.63M	Mar 31, 26	--	2.69%
FMR LLC	1.16M	Mar 31, 26	-870.15K	1.91%
Ikarian Capital, LLC	1.05M	Mar 31, 26	+799.49K	1.74%
Hudson Bay Capital Management LP	968.94K	Mar 31, 26	+243.94K	1.60%
Pathstone Holdings, LLC	859.11K	Mar 31, 26	--	1.42%
SG Americas Securities, LLC	719.26K	Mar 31, 26	+318.21K	1.19%
MILLENNIUM MANAGEMENT LLC	659.67K	Mar 31, 26	+75.53K	1.09%
SUSQUEHANNA INTERNATIONAL GROUP, LLP	601.48K	Mar 31, 26	+228.28K	0.99%
TWO SIGMA INVESTMENTS, LP	530.81K	Mar 31, 26	+387.59K	0.88%
Laurion Capital Management LP	525.44K	Mar 31, 26	-341.60K	0.87%
RENAISSANCE TECHNOLOGIES LLC	473.95K	Mar 31, 26	+50.85K	0.78%
GEODE CAPITAL MANAGEMENT, LLC	416.24K	Mar 31, 26	+6.03K	0.69%
BANK OF AMERICA CORP /DE/	320.22K	Mar 31, 26	+80.06K	0.53%
BOOTHBAY FUND MANAGEMENT, LLC	273.01K	Mar 31, 26	+233.43K	0.45%
GOLDMAN SACHS GROUP INC	206.68K	Mar 31, 26	+88.83K	0.34%
VANGUARD FIDUCIARY TRUST CO	199.23K	Mar 31, 26	+199.23K	0.33%
MARSHALL WACE, LLP	192.89K	Mar 31, 26	+171.98K	0.32%
ACADIAN ASSET MANAGEMENT LLC	185.85K	Mar 31, 26	+33.07K	0.31%
BlackRock, Inc.	178.33K	Mar 31, 26	+8.82K	0.29%
BRIDGEWAY CAPITAL MANAGEMENT, LLC	176.17K	Mar 31, 26	+6.00K	0.29%
STATE STREET CORP	151.73K	Mar 31, 26	+51.55K	0.25%
MORGAN STANLEY	144.58K	Mar 31, 26	-22.32K	0.24%
Qube Research & Technologies Ltd	120.39K	Mar 31, 26	+72.40K	0.20%
DIMENSIONAL FUND ADVISORS LP	119.76K	Mar 31, 26	+70.69K	0.20%
CATALYST FINANCIAL PARTNERS LLC	89.70K	Mar 31, 26	--	0.15%
JANE STREET GROUP, LLC	89.66K	Mar 31, 26	-52.46K	0.15%
PFG Investments, LLC	80.85K	Mar 31, 26	+61.85K	0.13%
NORTHERN TRUST CORP	75.21K	Mar 31, 26	--	0.12%
Point72 Asset Management, L.P.	67.38K	Mar 31, 26	+31.01K	0.11%
Prospera Financial Services Inc	50.00K	Mar 31, 26	--	0.08%
Catalyst Funds Management Pty Ltd	45.60K	Mar 31, 26	+16.00K	0.08%
Verdad Advisers, LP	37.28K	Mar 31, 26	+37.28K	0.06%
UBS Group AG	37.15K	Mar 31, 26	+15.58K	0.06%
Rangeley Capital, LLC	35.00K	Mar 31, 26	+35.00K	0.06%
BARCLAYS PLC	30.68K	Mar 31, 26	+688	0.05%
Intrepid Financial Planning Group LLC	30.15K	Mar 31, 26	--	0.05%
OMERS ADMINISTRATION Corp	28.60K	Mar 31, 26	+6.15K	0.05%
AXQ CAPITAL, LP	28.49K	Mar 31, 26	+28.49K	0.05%
Independent Advisor Alliance	19.00K	Mar 31, 26	--	0.03%
PINNACLE ASSOCIATES LTD	18.02K	Mar 31, 26	--	0.03%
Pinnacle Wealth Management Advisory Group, LLC	18.02K	Mar 31, 26	--	0.03%
AMERICAN CENTURY COMPANIES INC	17.93K	Mar 31, 26	+17.93K	0.03%
SIMPLEX TRADING, LLC	17.41K	Mar 31, 26	+17.41K	0.03%
CLUNE & ASSOCIATES, LTD.	16.50K	Mar 31, 26	--	0.03%
CAPTRUST FINANCIAL ADVISORS	15.76K	Mar 31, 26	+15.76K	0.03%
Brevan Howard Capital Management LP	15.38K	Mar 31, 26	+15.38K	0.03%
Squarepoint Ops LLC	15.02K	Mar 31, 26	+15.02K	0.02%
HRT FINANCIAL LP	13.16K	Mar 31, 26	+13.16K	0.02%
JACOBS LEVY EQUITY MANAGEMENT, INC	13.01K	Mar 31, 26	+13.01K	0.02%
SEI INVESTMENTS CO	11.56K	Mar 31, 26	+11.56K	0.02%
Mesirow Financial Investment Management, Inc.	11.30K	Mar 31, 26	+11.30K	0.02%
Schonfeld Strategic Advisors LLC	11.30K	Mar 31, 26	+11.30K	0.02%
Integrated Wealth Concepts LLC	10.18K	Mar 31, 26	+10.18K	0.02%
WELLS FARGO & COMPANY/MN	10.11K	Mar 31, 26	+3.01K	0.02%
ROYAL BANK OF CANADA	7.09K	Mar 31, 26	+4.81K	0.01%
Vanguard Global Advisers, LLC	6.68K	Mar 31, 26	+6.68K	0.01%
ADVISOR GROUP HOLDINGS, INC.	5.35K	Mar 31, 26	-1.50K	0.01%
CITIGROUP INC	4.49K	Mar 31, 26	+4.49K	0.01%
PNC FINANCIAL SERVICES GROUP, INC.	3.08K	Mar 31, 26	--	0.01%
Rockefeller Capital Management L.P.	3.00K	Mar 31, 26	--	0.00%
TFC Financial Management, Inc.	2.50K	Mar 31, 26	--	0.00%
JONES FINANCIAL COMPANIES LLLP	2.00K	Mar 31, 26	+2.00K	0.00%
GROUP ONE TRADING, L.P.	1.48K	Mar 31, 26	-3.28K	0.00%
JPMORGAN CHASE & CO	1.44K	Mar 31, 26	-965	0.00%
NISA INVESTMENT ADVISORS, LLC	1.23K	Mar 31, 26	--	0.00%
BNP PARIBAS ARBITRAGE, SNC	1.21K	Mar 31, 26	-16	0.00%
Advisory Services Network, LLC	1.11K	Mar 31, 26	+1.11K	0.00%
US BANCORP \DE\	1.00K	Mar 31, 26	+1.00K	0.00%
EverSource Wealth Advisors, LLC	407	Mar 31, 26	--	0.00%
SBI Securities Co., Ltd.	303	Mar 31, 26	-20	0.00%
NBT BANK N A /NY	200	Mar 31, 26	+198	0.00%
Farther Finance Advisors, LLC	200	Mar 31, 26	--	0.00%
Tower Research Capital LLC (TRC)	118	Mar 31, 26	-4.34K	0.00%
CWM, LLC	87	Mar 31, 26	+87	0.00%
Clearstead Advisors, LLC	60	Mar 31, 26	--	0.00%
SRS Capital Advisors, Inc.	26	Mar 31, 26	--	0.00%
Larson Financial Group LLC	20	Mar 31, 26	-4.33K	0.00%
Optiver Holding B.V.	5	Mar 31, 26	--	0.00%
NINE MASTS CAPITAL Ltd	--	Mar 31, 26	-10.64K	--
CITADEL ADVISORS LLC	--	Mar 31, 26	-345.28K	--
Virtu Financial LLC	--	Mar 31, 26	-10.92K	--
XTX Topco Ltd	--	Mar 31, 26	-49.56K	--
Quadrature Capital Ltd	--	Mar 31, 26	-49.05K	--
FLAGSHIP HARBOR ADVISORS, LLC	--	Mar 31, 26	-350	--
VANGUARD GROUP INC	1.65M	Dec 31, 25	+2.30K	2.73%
TWO SIGMA ADVISERS, LP	421.80K	Dec 31, 25	-1.80K	0.70%
Cubist Systematic Strategies, LLC	23.90K	Sep 30, 25	+23.90K	0.04%
Point72 Asia (Singapore) Pte. Ltd.	16.04K	Sep 30, 25	-5.30K	0.03%
Nuveen Asset Management, LLC	78.45K	Dec 31, 24	--	0.13%
Planning Capital Management Corp	5	Sep 30, 24	--	0.00%
BlackRock Inc.	2.16M	Jun 30, 24	+1.97M	3.56%
Cutler Group LLC / CA	--	Mar 31, 24	-1.20K	--
PATHSTONE FAMILY OFFICE, LLC	478.79K	Sep 30, 23	+11.73K	0.79%
PARAMETRIC PORTFOLIO ASSOCIATES LLC	15.74K	Mar 31, 22	+15.74K	0.03%
Amalgamated Financial Corp.	3.90K	Mar 31, 22	+3.90K	0.01%
Marshall Wace North America L.P.	153.91K	Sep 30, 21	+153.91K	0.25%

Explore More

S&P 500 Screener

Filter and sort all 500 stocks

Market Movers

Today's biggest gainers and losers

Market Heatmap

Visual sector performance

Holder

Date

Change

% Held

RA CAPITAL MANAGEMENT, L.P.

20.99M

Mar 31, 26

+6.06M

34.66%

Sands Capital Ventures, LLC

3.72M

Mar 31, 26

+303.03K

6.14%

Alyeska Investment Group, L.P.

2.45M

Mar 31, 26

+1.52M

4.05%

FRANKLIN RESOURCES INC

2.31M

Mar 31, 26

3.81%

ADAR1 Capital Management, LLC

2.16M

Mar 31, 26

+1.27M

3.56%

Knollwood Investment Advisory, LLC

1.63M

Mar 31, 26

2.69%

FMR LLC

1.16M

Mar 31, 26

-870.15K

1.91%

Ikarian Capital, LLC

1.05M

Mar 31, 26

+799.49K

1.74%

Hudson Bay Capital Management LP

968.94K

Mar 31, 26

+243.94K

1.60%

Pathstone Holdings, LLC

859.11K

Mar 31, 26

1.42%

SG Americas Securities, LLC

719.26K

Mar 31, 26

+318.21K

1.19%

MILLENNIUM MANAGEMENT LLC

659.67K

Mar 31, 26

+75.53K

1.09%

SUSQUEHANNA INTERNATIONAL GROUP, LLP

601.48K

Mar 31, 26

+228.28K

0.99%

TWO SIGMA INVESTMENTS, LP

530.81K

Mar 31, 26

+387.59K

0.88%

Laurion Capital Management LP

525.44K

Mar 31, 26

-341.60K

0.87%

RENAISSANCE TECHNOLOGIES LLC

473.95K

Mar 31, 26

+50.85K

0.78%

GEODE CAPITAL MANAGEMENT, LLC

416.24K

Mar 31, 26

+6.03K

0.69%

BANK OF AMERICA CORP /DE/

320.22K

Mar 31, 26

+80.06K

0.53%

BOOTHBAY FUND MANAGEMENT, LLC

273.01K

Mar 31, 26

+233.43K

0.45%

GOLDMAN SACHS GROUP INC

206.68K

Mar 31, 26

+88.83K

0.34%

VANGUARD FIDUCIARY TRUST CO

199.23K

Mar 31, 26

+199.23K

0.33%

MARSHALL WACE, LLP

192.89K

Mar 31, 26

+171.98K

0.32%

ACADIAN ASSET MANAGEMENT LLC

185.85K

Mar 31, 26

+33.07K

0.31%

BlackRock, Inc.

178.33K

Mar 31, 26

+8.82K

0.29%

BRIDGEWAY CAPITAL MANAGEMENT, LLC

176.17K

Mar 31, 26

+6.00K

0.29%

STATE STREET CORP

151.73K

Mar 31, 26

+51.55K

0.25%

MORGAN STANLEY

144.58K

Mar 31, 26

-22.32K

0.24%

Qube Research & Technologies Ltd

120.39K

Mar 31, 26

+72.40K

0.20%

DIMENSIONAL FUND ADVISORS LP

119.76K

Mar 31, 26

+70.69K

0.20%

CATALYST FINANCIAL PARTNERS LLC

89.70K

Mar 31, 26

0.15%

JANE STREET GROUP, LLC

89.66K

Mar 31, 26

-52.46K

0.15%

PFG Investments, LLC

80.85K

Mar 31, 26

+61.85K

0.13%

NORTHERN TRUST CORP

75.21K

Mar 31, 26

0.12%

Point72 Asset Management, L.P.

67.38K

Mar 31, 26

+31.01K

0.11%

Prospera Financial Services Inc

50.00K

Mar 31, 26

0.08%

Catalyst Funds Management Pty Ltd

45.60K

Mar 31, 26

+16.00K

0.08%

Verdad Advisers, LP

37.28K

Mar 31, 26

+37.28K

0.06%

UBS Group AG

37.15K

Mar 31, 26

+15.58K

0.06%

Rangeley Capital, LLC

35.00K

Mar 31, 26

+35.00K

0.06%

BARCLAYS PLC

30.68K

Mar 31, 26

+688

0.05%

Intrepid Financial Planning Group LLC

30.15K

Mar 31, 26

0.05%

OMERS ADMINISTRATION Corp

28.60K

Mar 31, 26

+6.15K

0.05%

AXQ CAPITAL, LP

28.49K

Mar 31, 26

+28.49K

0.05%

Independent Advisor Alliance

19.00K

Mar 31, 26

0.03%

PINNACLE ASSOCIATES LTD

18.02K

Mar 31, 26

0.03%

Pinnacle Wealth Management Advisory Group, LLC

18.02K

Mar 31, 26

0.03%

AMERICAN CENTURY COMPANIES INC

17.93K

Mar 31, 26

+17.93K

0.03%

SIMPLEX TRADING, LLC

17.41K

Mar 31, 26

+17.41K

0.03%

CLUNE & ASSOCIATES, LTD.

16.50K

Mar 31, 26

0.03%

CAPTRUST FINANCIAL ADVISORS

15.76K

Mar 31, 26

+15.76K

0.03%

Brevan Howard Capital Management LP

15.38K

Mar 31, 26

+15.38K

0.03%

Squarepoint Ops LLC

15.02K

Mar 31, 26

+15.02K

0.02%

HRT FINANCIAL LP

13.16K

Mar 31, 26

+13.16K

0.02%

JACOBS LEVY EQUITY MANAGEMENT, INC

13.01K

Mar 31, 26

+13.01K

0.02%

SEI INVESTMENTS CO

11.56K

Mar 31, 26

+11.56K

0.02%

Mesirow Financial Investment Management, Inc.

11.30K

Mar 31, 26

+11.30K

0.02%

Schonfeld Strategic Advisors LLC

11.30K

Mar 31, 26

+11.30K

0.02%

Integrated Wealth Concepts LLC

10.18K

Mar 31, 26

+10.18K

0.02%

WELLS FARGO & COMPANY/MN

10.11K

Mar 31, 26

+3.01K

0.02%

ROYAL BANK OF CANADA

7.09K

Mar 31, 26

+4.81K

0.01%

Vanguard Global Advisers, LLC

6.68K

Mar 31, 26

+6.68K

0.01%

ADVISOR GROUP HOLDINGS, INC.

5.35K

Mar 31, 26

-1.50K

0.01%

CITIGROUP INC

4.49K

Mar 31, 26

+4.49K

0.01%

PNC FINANCIAL SERVICES GROUP, INC.

3.08K

Mar 31, 26

0.01%

Rockefeller Capital Management L.P.

3.00K

Mar 31, 26

0.00%

TFC Financial Management, Inc.

2.50K

Mar 31, 26

0.00%

JONES FINANCIAL COMPANIES LLLP

2.00K

Mar 31, 26

+2.00K

0.00%

GROUP ONE TRADING, L.P.

1.48K

Mar 31, 26

-3.28K

0.00%

JPMORGAN CHASE & CO

1.44K

Mar 31, 26

-965

0.00%

NISA INVESTMENT ADVISORS, LLC

1.23K

Mar 31, 26

0.00%

BNP PARIBAS ARBITRAGE, SNC

1.21K

Mar 31, 26

-16

0.00%

Advisory Services Network, LLC

1.11K

Mar 31, 26

+1.11K

0.00%

US BANCORP \DE\

1.00K

Mar 31, 26

+1.00K

0.00%

EverSource Wealth Advisors, LLC

407

Mar 31, 26

0.00%

SBI Securities Co., Ltd.

303

Mar 31, 26

-20

0.00%

NBT BANK N A /NY

200

Mar 31, 26

+198

0.00%

Farther Finance Advisors, LLC

200

Mar 31, 26

0.00%

Tower Research Capital LLC (TRC)

118

Mar 31, 26

-4.34K

0.00%

CWM, LLC

Mar 31, 26

+87

0.00%

Clearstead Advisors, LLC

Mar 31, 26

0.00%

SRS Capital Advisors, Inc.

Mar 31, 26

0.00%

Larson Financial Group LLC

Mar 31, 26

-4.33K

0.00%

Optiver Holding B.V.

Mar 31, 26

0.00%

NINE MASTS CAPITAL Ltd

Mar 31, 26

-10.64K

CITADEL ADVISORS LLC

Mar 31, 26

-345.28K

Virtu Financial LLC

Mar 31, 26

-10.92K

XTX Topco Ltd

Mar 31, 26

-49.56K

Quadrature Capital Ltd

Mar 31, 26

-49.05K

FLAGSHIP HARBOR ADVISORS, LLC

Mar 31, 26

-350

VANGUARD GROUP INC

1.65M

Dec 31, 25

+2.30K

2.73%

TWO SIGMA ADVISERS, LP

421.80K

Dec 31, 25

-1.80K

0.70%

Cubist Systematic Strategies, LLC

23.90K

Sep 30, 25

+23.90K

0.04%

Point72 Asia (Singapore) Pte. Ltd.

16.04K

Sep 30, 25

-5.30K

0.03%

Nuveen Asset Management, LLC

78.45K

Dec 31, 24

0.13%

Planning Capital Management Corp

Sep 30, 24

0.00%

BlackRock Inc.

2.16M

Jun 30, 24

+1.97M

3.56%

Cutler Group LLC / CA

Mar 31, 24

-1.20K

PATHSTONE FAMILY OFFICE, LLC

478.79K

Sep 30, 23

+11.73K

0.79%

PARAMETRIC PORTFOLIO ASSOCIATES LLC

15.74K

Mar 31, 22

+15.74K

0.03%

Amalgamated Financial Corp.

3.90K

Mar 31, 22

+3.90K

0.01%

Marshall Wace North America L.P.

153.91K

Sep 30, 21

+153.91K

0.25%