Acumen Pharmaceuticals Inc (ABOS)

Q2 2026 vs Q3 2026

Comparing institutional holders between quarters

Compare Detailed Historical Funds Options 13D/13G Peers Targeting Trading Summary Profile

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Geode Capital Management, LLC

INCREASED

Shares1,154,919 from 1,141,858

Change+13,061 (+1%)

Value$2.6M (-$484.9K)

Filed 2026-11-06

Dimensional Fund Advisors LP

INCREASED

Shares323,999 from 291,559

Change+32,440 (+11%)

Value$719.4K (-$59.6K)

Filed 2026-11-04

Bank of New York Mellon Corp

DECREASED

Shares114,999 from 124,377

Change-9,378 (-8%)

Value$255.3K (-$76.8K)

Filed 2026-11-05

Catalyst Financial Partners LLC

INCREASED

Shares99,699 from 89,699

Change+10,000 (+11%)

Value$221.3K (-$18.2K)

Filed 2026-11-06

Simplex Trading, LLC

NEW

Shares62,600

Change+62,600

Value$139.0K

Filed 2026-11-04

Prospera Financial Services Inc

INCREASED

Shares52,500 from 50,000

Change+2,500 (+5%)

Value$11.0K (-$122.5K)

Filed 2026-11-04

Barclays PLC

INCREASED

Shares48,650 from 39,655

Change+8,995 (+23%)

Value$108.0K (+$2.1K)

Filed 2026-11-06

Deutsche Bank Ag\

DECREASED

Shares40,169 from 46,132

Change-5,963 (-13%)

Value$89.2K (-$34.0K)

Filed 2026-11-06

Pinnacle Wealth Management Advisory Group, LLC

INCREASED

Shares18,021 from 18,020

Change+1 (+0%)

Value$40.0K (-$8.1K)

Filed 2026-10-23

Pinnacle Associates LTD

INCREASED

Shares18,021 from 18,020

Change+1 (+0%)

Value$40.0K (-$8.1K)

Filed 2026-10-20

Factor Wealth Management LTD

UNCHANGED

Shares16,500 from 16,500

Change0 (0%)

Value$36.6K (-$7.4K)

Filed 2026-10-08

Mesirow Financial Investment Management, Inc.

UNCHANGED

Shares11,305 from 11,305

Change0 (0%)

Value$25.1K (-$5.1K)

Filed 2026-11-05

Russell Investments Group, Ltd.

UNCHANGED

Shares3,779 from 3,779

Change0 (0%)

Value$8.4K (-$1.7K)

Filed 2026-11-06

PNC Financial Services Group, Inc.

DECREASED

Shares2,750 from 3,080

Change-330 (-11%)

Value$6.1K (-$2.1K)

Filed 2026-11-06

TFC Financial Management, Inc.

UNCHANGED

Shares2,500 from 2,500

Change0 (0%)

Value$5.6K (-$1.1K)

Filed 2026-10-26

Citigroup Inc

DECREASED

Shares2,312 from 21,889

Change-19,577 (-89%)

Value$5.1K (-$53.3K)

Filed 2026-11-04

Nisa Investment Advisors, LLC

UNCHANGED

Shares1,229 from 1,229

Change0 (0%)

Value$2.7K (-$553)

Filed 2026-10-20

Parkside Financial Bank & Trust

NEW

Shares1,016

Change+1,016

Value$2.3K

Filed 2026-10-27

US Bancorp \de\

UNCHANGED

Shares1,000 from 1,000

Change0 (0%)

Value$2.2K (-$450)

Filed 2026-11-05

Sterling Capital Management LLC

DECREASED

Shares932 from 952

Change-20 (-2%)

Value$2.1K (-$473)

Filed 2026-10-22

Gamma Investing LLC

NEW

Shares877

Change+877

Value$1.9K

Filed 2026-10-08

Avion Wealth

UNCHANGED

Shares500 from 500

Change0 (0%)

Value$1 ($0)

Filed 2026-11-04

EverSource Wealth Advisors, LLC

UNCHANGED

Shares407 from 407

Change0 (0%)

Value$904 (-$183)

Filed 2026-11-04

SBI Securities Co., Ltd.

DECREASED

Shares270 from 291

Change-21 (-7%)

Value$599 (-$178)

Filed 2026-10-22

Farther Finance Advisors, LLC

INCREASED

Shares225 from 200

Change+25 (+13%)

Value$500 (-$34)

Filed 2026-10-08

SJS Investment Consulting Inc.

NEW

Shares183

Change+183

Value$407

Filed 2026-10-26

Caitong International Asset Management Co., Ltd

DECREASED

Shares2 from 39

Change-37 (-95%)

Value$4 (-$100)

Filed 2026-10-29

Y-Intercept (Hong Kong) Ltd

CLOSED

Shares0 from 29,540

Change-29,540 (-100%)

Value$0 (-$78.9K)

Filed 2026-10-16

RA Capital Management, L.P.

N/A

Shares— from 20,992,669

Change-20,992,669 (-100%)

Value—

Sands Capital Alternatives, LLC

N/A

Shares— from 3,720,105

Change-3,720,105 (-100%)

Value—

BlackRock, Inc.

N/A

Shares— from 2,490,115

Change-2,490,115 (-100%)

Value—

Alyeska Investment Group, L.P.

N/A

Shares— from 2,454,754

Change-2,454,754 (-100%)

Value—

Franklin Resources Inc

N/A

Shares— from 2,305,096

Change-2,305,096 (-100%)

Value—

Adar1 Capital Management, LLC

N/A

Shares— from 2,111,334

Change-2,111,334 (-100%)

Value—

Vanguard Capital Management LLC

N/A

Shares— from 1,672,072

Change-1,672,072 (-100%)

Value—

Knollwood Investment Advisory, LLC

N/A

Shares— from 1,628,510

Change-1,628,510 (-100%)

Value—

Ikarian Capital, LLC

N/A

Shares— from 1,053,797

Change-1,053,797 (-100%)

Value—

Hudson Bay Capital Management LP

N/A

Shares— from 955,000

Change-955,000 (-100%)

Value—

Pathstone Holdings, LLC

N/A

Shares— from 859,110

Change-859,110 (-100%)

Value—

Renaissance Technologies LLC

N/A

Shares— from 675,025

Change-675,025 (-100%)

Value—

Two Sigma Investments, LP

N/A

Shares— from 622,882

Change-622,882 (-100%)

Value—

State Street Corp

N/A

Shares— from 600,528

Change-600,528 (-100%)

Value—

Northern Trust Corp

N/A

Shares— from 360,744

Change-360,744 (-100%)

Value—

Vanguard Portfolio Management LLC

N/A

Shares— from 320,795

Change-320,795 (-100%)

Value—

Vanguard Fiduciary Trust Co

N/A

Shares— from 291,240

Change-291,240 (-100%)

Value—

Bank of America Corp

N/A

Shares— from 274,781

Change-274,781 (-100%)

Value—

Boothbay Fund Management, LLC

N/A

Shares— from 273,012

Change-273,012 (-100%)

Value—

Acadian Asset Management LLC

N/A

Shares— from 270,338

Change-270,338 (-100%)

Value—

Nomura Holdings Inc

N/A

Shares— from 189,712

Change-189,712 (-100%)

Value—

Goldman Sachs Group Inc

N/A

Shares— from 183,927

Change-183,927 (-100%)

Value—

Bridgeway Capital Management, LLC

N/A

Shares— from 176,171

Change-176,171 (-100%)

Value—

Morgan Stanley

N/A

Shares— from 136,763

Change-136,763 (-100%)

Value—

Susquehanna International Group, LLP

N/A

Shares— from 126,104

Change-126,104 (-100%)

Value—

Charles Schwab Investment Management Inc

N/A

Shares— from 115,099

Change-115,099 (-100%)

Value—

PFG Investments, LLC

N/A

Shares— from 94,250

Change-94,250 (-100%)

Value—

Nuveen, LLC

N/A

Shares— from 63,355

Change-63,355 (-100%)

Value—

Millennium Management LLC

N/A

Shares— from 60,598

Change-60,598 (-100%)

Value—

Squarepoint Ops LLC

N/A

Shares— from 52,351

Change-52,351 (-100%)

Value—

Citadel Advisors LLC

N/A

Shares— from 51,049

Change-51,049 (-100%)

Value—

Wells Fargo & Company

N/A

Shares— from 49,686

Change-49,686 (-100%)

Value—

Marshall Wace, LLP

N/A

Shares— from 48,114

Change-48,114 (-100%)

Value—

Verdad Advisers, LP

N/A

Shares— from 44,478

Change-44,478 (-100%)

Value—

Price T Rowe Associates Inc

N/A

Shares— from 39,327

Change-39,327 (-100%)

Value—

Qube Research & Technologies Ltd

N/A

Shares— from 38,614

Change-38,614 (-100%)

Value—

New York State Common Retirement Fund

N/A

Shares— from 36,200

Change-36,200 (-100%)

Value—

Rhumbline Advisers

N/A

Shares— from 35,034

Change-35,034 (-100%)

Value—

Rangeley Capital, LLC

N/A

Shares— from 35,000

Change-35,000 (-100%)

Value—

XTX Topco Ltd

N/A

Shares— from 32,134

Change-32,134 (-100%)

Value—

Intrepid Financial Planning Group LLC

N/A

Shares— from 30,150

Change-30,150 (-100%)

Value—

Quantinno Capital Management LP

N/A

Shares— from 26,769

Change-26,769 (-100%)

Value—

UBS Group AG

N/A

Shares— from 25,765

Change-25,765 (-100%)

Value—

Invesco Ltd.

N/A

Shares— from 24,588

Change-24,588 (-100%)

Value—

AXQ Capital, LP

N/A

Shares— from 24,426

Change-24,426 (-100%)

Value—

American Century Companies Inc

N/A

Shares— from 24,136

Change-24,136 (-100%)

Value—

Mirae Asset Global Etfs Holdings Ltd.

N/A

Shares— from 21,761

Change-21,761 (-100%)

Value—

JPMorgan Chase & Co

N/A

Shares— from 20,161

Change-20,161 (-100%)

Value—

Police & Firemen's Retirement System of New Jersey

N/A

Shares— from 19,393

Change-19,393 (-100%)

Value—

Independent Advisor Alliance

N/A

Shares— from 19,000

Change-19,000 (-100%)

Value—

Spark Investment Management LLC

N/A

Shares— from 14,700

Change-14,700 (-100%)

Value—

Stifel Financial Corp

N/A

Shares— from 12,900

Change-12,900 (-100%)

Value—

Virtu Financial LLC

N/A

Shares— from 11,940

Change-11,940 (-100%)

Value—

Two Sigma Securities, LLC

N/A

Shares— from 11,892

Change-11,892 (-100%)

Value—

Balyasny Asset Management L.P.

N/A

Shares— from 11,872

Change-11,872 (-100%)

Value—

SEI Investments Co

N/A

Shares— from 11,564

Change-11,564 (-100%)

Value—

BNP Paribas Financial Markets

N/A

Shares— from 11,329

Change-11,329 (-100%)

Value—

Bronte Capital Management Pty Ltd.

N/A

Shares— from 10,716

Change-10,716 (-100%)

Value—

Intech Investment Management LLC

N/A

Shares— from 10,446

Change-10,446 (-100%)

Value—

Integrated Wealth Concepts LLC

N/A

Shares— from 10,179

Change-10,179 (-100%)

Value—

Steward Partners Investment Advisory, LLC

N/A

Shares— from 10,000

Change-10,000 (-100%)

Value—

FMR LLC

N/A

Shares— from 7,530

Change-7,530 (-100%)

Value—

Osaic Holdings, Inc.

N/A

Shares— from 7,350

Change-7,350 (-100%)

Value—

Vanguard Global Advisers, LLC

N/A

Shares— from 6,684

Change-6,684 (-100%)

Value—

Legal & General Group Plc

N/A

Shares— from 4,610

Change-4,610 (-100%)

Value—

Ameritas Investment Partners, Inc.

N/A

Shares— from 4,289

Change-4,289 (-100%)

Value—

Rockefeller Capital Management L.P.

N/A

Shares— from 3,000

Change-3,000 (-100%)

Value—

Tower Research Capital LLC (TRC)

N/A

Shares— from 2,899

Change-2,899 (-100%)

Value—

Jones Financial Companies Lllp

N/A

Shares— from 2,000

Change-2,000 (-100%)

Value—

Royal Bank of Canada

N/A

Shares— from 1,561

Change-1,561 (-100%)

Value—

Group One Trading LLC

N/A

Shares— from 722

Change-722 (-100%)

Value—

Arax Advisory Partners

N/A

Shares— from 26

Change-26 (-100%)

Value—

	Status
Geode Capital Management, LLC	INCREASED	1,154,919	1,141,858	+13,061	+1%	$3.0M	$2.6M	-$484.9K	2026-11-06
Dimensional Fund Advisors LP	INCREASED	323,999	291,559	+32,440	+11%	$779.0K	$719.4K	-$59.6K	2026-11-04
Bank of New York Mellon Corp	DECREASED	114,999	124,377	-9,378	-8%	$332.1K	$255.3K	-$76.8K	2026-11-05
Catalyst Financial Partners LLC	INCREASED	99,699	89,699	+10,000	+11%	$239.5K	$221.3K	-$18.2K	2026-11-06
Simplex Trading, LLC	NEW	62,600	—	+62,600	—	—	$139.0K	—	2026-11-04
Prospera Financial Services Inc	INCREASED	52,500	50,000	+2,500	+5%	$133.5K	$11.0K	-$122.5K	2026-11-04
Barclays PLC	INCREASED	48,650	39,655	+8,995	+23%	$105.9K	$108.0K	+$2.1K	2026-11-06
Deutsche Bank Ag\	DECREASED	40,169	46,132	-5,963	-13%	$123.2K	$89.2K	-$34.0K	2026-11-06
Pinnacle Wealth Management Advisory Group, LLC	INCREASED	18,021	18,020	+1	+0%	$48.1K	$40.0K	-$8.1K	2026-10-23
Pinnacle Associates LTD	INCREASED	18,021	18,020	+1	+0%	$48.1K	$40.0K	-$8.1K	2026-10-20
Factor Wealth Management LTD	UNCHANGED	16,500	16,500	0	0%	$44.1K	$36.6K	-$7.4K	2026-10-08
Mesirow Financial Investment Management, Inc.	UNCHANGED	11,305	11,305	0	0%	$30.2K	$25.1K	-$5.1K	2026-11-05
Russell Investments Group, Ltd.	UNCHANGED	3,779	3,779	0	0%	$10.1K	$8.4K	-$1.7K	2026-11-06
PNC Financial Services Group, Inc.	DECREASED	2,750	3,080	-330	-11%	$8.2K	$6.1K	-$2.1K	2026-11-06
TFC Financial Management, Inc.	UNCHANGED	2,500	2,500	0	0%	$6.7K	$5.6K	-$1.1K	2026-10-26
Citigroup Inc	DECREASED	2,312	21,889	-19,577	-89%	$58.4K	$5.1K	-$53.3K	2026-11-04
Nisa Investment Advisors, LLC	UNCHANGED	1,229	1,229	0	0%	$3.3K	$2.7K	-$553	2026-10-20
Parkside Financial Bank & Trust	NEW	1,016	—	+1,016	—	—	$2.3K	—	2026-10-27
US Bancorp \de\	UNCHANGED	1,000	1,000	0	0%	$2.7K	$2.2K	-$450	2026-11-05
Sterling Capital Management LLC	DECREASED	932	952	-20	-2%	$2.5K	$2.1K	-$473	2026-10-22
Gamma Investing LLC	NEW	877	—	+877	—	—	$1.9K	—	2026-10-08
Avion Wealth	UNCHANGED	500	500	0	0%	$1	$1	$0	2026-11-04
EverSource Wealth Advisors, LLC	UNCHANGED	407	407	0	0%	$1.1K	$904	-$183	2026-11-04
SBI Securities Co., Ltd.	DECREASED	270	291	-21	-7%	$777	$599	-$178	2026-10-22
Farther Finance Advisors, LLC	INCREASED	225	200	+25	+13%	$534	$500	-$34	2026-10-08
SJS Investment Consulting Inc.	NEW	183	—	+183	—	—	$407	—	2026-10-26
Caitong International Asset Management Co., Ltd	DECREASED	2	39	-37	-95%	$104	$4	-$100	2026-10-29
Y-Intercept (Hong Kong) Ltd	CLOSED	0	29,540	-29,540	-100%	$78.9K	$0	-$78.9K	2026-10-16
RA Capital Management, L.P.	N/A	—	20,992,669	-20,992,669	-100%	$56.1M	—	—	—
Sands Capital Alternatives, LLC	N/A	—	3,720,105	-3,720,105	-100%	$9.9M	—	—	—
BlackRock, Inc.	N/A	—	2,490,115	-2,490,115	-100%	$6.6M	—	—	—
Alyeska Investment Group, L.P.	N/A	—	2,454,754	-2,454,754	-100%	$6.6M	—	—	—
Franklin Resources Inc	N/A	—	2,305,096	-2,305,096	-100%	$6.2M	—	—	—
Adar1 Capital Management, LLC	N/A	—	2,111,334	-2,111,334	-100%	$5.6M	—	—	—
Vanguard Capital Management LLC	N/A	—	1,672,072	-1,672,072	-100%	$4.5M	—	—	—
Knollwood Investment Advisory, LLC	N/A	—	1,628,510	-1,628,510	-100%	$4.3M	—	—	—
Ikarian Capital, LLC	N/A	—	1,053,797	-1,053,797	-100%	$2.8M	—	—	—
Hudson Bay Capital Management LP	N/A	—	955,000	-955,000	-100%	$2.5M	—	—	—
Pathstone Holdings, LLC	N/A	—	859,110	-859,110	-100%	$2.3M	—	—	—
Renaissance Technologies LLC	N/A	—	675,025	-675,025	-100%	$1.8M	—	—	—
Two Sigma Investments, LP	N/A	—	622,882	-622,882	-100%	$1.7M	—	—	—
State Street Corp	N/A	—	600,528	-600,528	-100%	$1.6M	—	—	—
Northern Trust Corp	N/A	—	360,744	-360,744	-100%	$963.2K	—	—	—
Vanguard Portfolio Management LLC	N/A	—	320,795	-320,795	-100%	$856.5K	—	—	—
Vanguard Fiduciary Trust Co	N/A	—	291,240	-291,240	-100%	$777.6K	—	—	—
Bank of America Corp	N/A	—	274,781	-274,781	-100%	$733.7K	—	—	—
Boothbay Fund Management, LLC	N/A	—	273,012	-273,012	-100%	$728.9K	—	—	—
Acadian Asset Management LLC	N/A	—	270,338	-270,338	-100%	$718.0K	—	—	—
Nomura Holdings Inc	N/A	—	189,712	-189,712	-100%	$506.5K	—	—	—
Goldman Sachs Group Inc	N/A	—	183,927	-183,927	-100%	$491.1K	—	—	—
Bridgeway Capital Management, LLC	N/A	—	176,171	-176,171	-100%	$470.4K	—	—	—
Morgan Stanley	N/A	—	136,763	-136,763	-100%	$365.2K	—	—	—
Susquehanna International Group, LLP	N/A	—	126,104	-126,104	-100%	$336.7K	—	—	—
Charles Schwab Investment Management Inc	N/A	—	115,099	-115,099	-100%	$307.3K	—	—	—
PFG Investments, LLC	N/A	—	94,250	-94,250	-100%	$251.6K	—	—	—
Nuveen, LLC	N/A	—	63,355	-63,355	-100%	$169.2K	—	—	—
Millennium Management LLC	N/A	—	60,598	-60,598	-100%	$161.8K	—	—	—
Squarepoint Ops LLC	N/A	—	52,351	-52,351	-100%	$139.8K	—	—	—
Citadel Advisors LLC	N/A	—	51,049	-51,049	-100%	$136.3K	—	—	—
Wells Fargo & Company	N/A	—	49,686	-49,686	-100%	$132.7K	—	—	—
Marshall Wace, LLP	N/A	—	48,114	-48,114	-100%	$128.5K	—	—	—
Verdad Advisers, LP	N/A	—	44,478	-44,478	-100%	$118.8K	—	—	—
Price T Rowe Associates Inc	N/A	—	39,327	-39,327	-100%	$106.0K	—	—	—
Qube Research & Technologies Ltd	N/A	—	38,614	-38,614	-100%	$103.1K	—	—	—
New York State Common Retirement Fund	N/A	—	36,200	-36,200	-100%	$96.7K	—	—	—
Rhumbline Advisers	N/A	—	35,034	-35,034	-100%	$93.5K	—	—	—
Rangeley Capital, LLC	N/A	—	35,000	-35,000	-100%	$93.5K	—	—	—
XTX Topco Ltd	N/A	—	32,134	-32,134	-100%	$85.8K	—	—	—
Intrepid Financial Planning Group LLC	N/A	—	30,150	-30,150	-100%	$80.5K	—	—	—
Quantinno Capital Management LP	N/A	—	26,769	-26,769	-100%	$71.5K	—	—	—
UBS Group AG	N/A	—	25,765	-25,765	-100%	$68.8K	—	—	—
Invesco Ltd.	N/A	—	24,588	-24,588	-100%	$65.7K	—	—	—
AXQ Capital, LP	N/A	—	24,426	-24,426	-100%	$65.2K	—	—	—
American Century Companies Inc	N/A	—	24,136	-24,136	-100%	$64.4K	—	—	—
Mirae Asset Global Etfs Holdings Ltd.	N/A	—	21,761	-21,761	-100%	$58.1K	—	—	—
JPMorgan Chase & Co	N/A	—	20,161	-20,161	-100%	$55.8K	—	—	—
Police & Firemen's Retirement System of New Jersey	N/A	—	19,393	-19,393	-100%	$51.8K	—	—	—
Independent Advisor Alliance	N/A	—	19,000	-19,000	-100%	$50.7K	—	—	—
Spark Investment Management LLC	N/A	—	14,700	-14,700	-100%	$39.2K	—	—	—
Stifel Financial Corp	N/A	—	12,900	-12,900	-100%	$34.4K	—	—	—
Virtu Financial LLC	N/A	—	11,940	-11,940	-100%	$32.0K	—	—	—
Two Sigma Securities, LLC	N/A	—	11,892	-11,892	-100%	$31.8K	—	—	—
Balyasny Asset Management L.P.	N/A	—	11,872	-11,872	-100%	$31.7K	—	—	—
SEI Investments Co	N/A	—	11,564	-11,564	-100%	$30.9K	—	—	—
BNP Paribas Financial Markets	N/A	—	11,329	-11,329	-100%	$30.2K	—	—	—
Bronte Capital Management Pty Ltd.	N/A	—	10,716	-10,716	-100%	$28.6K	—	—	—
Intech Investment Management LLC	N/A	—	10,446	-10,446	-100%	$27.9K	—	—	—
Integrated Wealth Concepts LLC	N/A	—	10,179	-10,179	-100%	$27.2K	—	—	—
Steward Partners Investment Advisory, LLC	N/A	—	10,000	-10,000	-100%	$26.7K	—	—	—
FMR LLC	N/A	—	7,530	-7,530	-100%	$20.1K	—	—	—
Osaic Holdings, Inc.	N/A	—	7,350	-7,350	-100%	$19.6K	—	—	—
Vanguard Global Advisers, LLC	N/A	—	6,684	-6,684	-100%	$17.8K	—	—	—
Legal & General Group Plc	N/A	—	4,610	-4,610	-100%	$12.3K	—	—	—
Ameritas Investment Partners, Inc.	N/A	—	4,289	-4,289	-100%	$11.5K	—	—	—
Rockefeller Capital Management L.P.	N/A	—	3,000	-3,000	-100%	$8.0K	—	—	—
Tower Research Capital LLC (TRC)	N/A	—	2,899	-2,899	-100%	$7.7K	—	—	—
Jones Financial Companies Lllp	N/A	—	2,000	-2,000	-100%	$4.7K	—	—	—
Royal Bank of Canada	N/A	—	1,561	-1,561	-100%	$4.0K	—	—	—
Group One Trading LLC	N/A	—	722	-722	-100%	$1.9K	—	—	—
Arax Advisory Partners	N/A	—	26	-26	-100%	$69	—	—	—

Showing 100 of 100 institutions