Who Holds Acumen Pharmaceuticals, Inc. (ABOS)? 96 Institutional Holders, Q2 2026
Managers with more than $100 million in US equities report their holdings on Form 13F within 45 days of each quarter end. Quarter ended 30 Jun 2026: 96 holders, $127 million in total.
Largest holders
The 96 largest by value. Change in shares against Q1 2026.
| Manager | Shares | Value | Change | |
|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 20,992,669 | $56 million | +0% | 13F |
| Sands Capital Alternatives, LLC | 3,720,105 | $10 million | +0% | 13F |
| BlackRock, Inc. | 2,490,115 | $7 million | +1296% | 13F |
| Alyeska Investment Group, L.P. | 2,454,754 | $7 million | +0% | 13F |
| FRANKLIN RESOURCES INC | 2,305,096 | $6 million | +0% | 13F |
| ADAR1 Capital Management, LLC | 2,111,334 | $6 million | -2% | 13F |
| VANGUARD CAPITAL MANAGEMENT LLC | 1,672,072 | $4 million | +11% | 13F |
| Knollwood Investment Advisory, LLC | 1,628,510 | $4 million | +0% | 13F |
| GEODE CAPITAL MANAGEMENT, LLC | 1,141,858 | $3 million | +174% | 13F |
| Ikarian Capital, LLC | 1,053,797 | $3 million | +0% | 13F |
| Hudson Bay Capital Management LP | 955,000 | $3 million | -1% | 13F |
| Pathstone Holdings, LLC | 859,110 | $2 million | +0% | 13F |
| RENAISSANCE TECHNOLOGIES LLC | 675,025 | $2 million | +42% | 13F |
| TWO SIGMA INVESTMENTS, LP | 622,882 | $2 million | +17% | 13F |
| STATE STREET CORP | 600,528 | $2 million | +296% | 13F |
| NORTHERN TRUST CORP | 360,744 | $963,187 | +380% | 13F |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 320,795 | $856,523 | New | 13F |
| DIMENSIONAL FUND ADVISORS LP | 291,559 | $778,969 | +143% | 13F |
| VANGUARD FIDUCIARY TRUST CO | 291,240 | $777,611 | +46% | 13F |
| BANK OF AMERICA CORP /DE/ | 274,781 | $733,665 | -14% | 13F |
| BOOTHBAY FUND MANAGEMENT, LLC | 273,012 | $728,942 | +0% | 13F |
| NOMURA HOLDINGS INC | 189,712 | $506,531 | New | 13F |
| GOLDMAN SACHS GROUP INC | 183,927 | $491,085 | -11% | 13F |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 176,171 | $470,377 | +0% | 13F |
| MORGAN STANLEY | 136,763 | $365,157 | -5% | 13F |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 126,104 | $336,698 | -79% | 13F |
| Bank of New York Mellon Corp | 124,377 | $332,086 | New | 13F |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 115,099 | $307,314 | New | 13F |
| PFG Investments, LLC | 94,250 | $251,648 | +17% | 13F |
| CATALYST FINANCIAL PARTNERS LLC | 89,699 | $239,496 | +0% | 13F |
| Nuveen, LLC | 63,355 | $169,158 | New | 13F |
| MILLENNIUM MANAGEMENT LLC | 60,598 | $161,797 | -91% | 13F |
| Squarepoint Ops LLC | 52,351 | $139,777 | +249% | 13F |
| CITADEL ADVISORS LLC | 51,049 | $136,301 | New | 13F |
| Prospera Financial Services Inc | 50,000 | $133,500 | +0% | 13F |
| WELLS FARGO & COMPANY/MN | 49,686 | $132,661 | +392% | 13F |
| MARSHALL WACE, LLP | 48,114 | $128,465 | -75% | 13F |
| DEUTSCHE BANK AG\ | 46,132 | $123,172 | New | 13F |
| Verdad Advisers, LP | 44,478 | $118,756 | +19% | 13F |
| BARCLAYS PLC | 39,655 | $105,878 | +29% | 13F |
| Qube Research & Technologies Ltd | 38,614 | $103,099 | -68% | 13F |
| NEW YORK STATE COMMON RETIREMENT FUND | 36,200 | $96,654 | New | 13F |
| RHUMBLINE ADVISERS | 35,034 | $93,535 | New | 13F |
| Rangeley Capital, LLC | 35,000 | $93,450 | +0% | 13F |
| XTX Topco Ltd | 32,134 | $85,798 | New | 13F |
| Intrepid Financial Planning Group LLC | 30,150 | $80,501 | +0% | 13F |
| Y-Intercept (Hong Kong) Ltd | 29,540 | $78,872 | New | 13F |
| Quantinno Capital Management LP | 26,769 | $71,473 | New | 13F |
| UBS Group AG | 25,765 | $68,793 | -31% | 13F |
| Invesco Ltd. | 24,588 | $65,650 | New | 13F |
| AXQ CAPITAL, LP | 24,426 | $65,217 | -14% | 13F |
| AMERICAN CENTURY COMPANIES INC | 24,136 | $64,443 | +35% | 13F |
| CITIGROUP INC | 21,889 | $58,444 | +388% | 13F |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 21,761 | $58,102 | New | 13F |
| JPMORGAN CHASE & CO | 20,161 | $55,846 | +1296% | 13F |
| Police & Firemen's Retirement System of New Jersey | 19,393 | $51,779 | New | 13F |
| Independent Advisor Alliance | 19,000 | $50,730 | +0% | 13F |
| PINNACLE ASSOCIATES LTD | 18,020 | $48,113 | +0% | 13F |
| Pinnacle Wealth Management Advisory Group, LLC | 18,020 | $48,113 | +0% | 13F |
| Factor Wealth Management LTD | 16,500 | $44,055 | +0% | 13F |
| Spark Investment Management LLC | 14,700 | $39,249 | New | 13F |
| STIFEL FINANCIAL CORP | 12,900 | $34,443 | New | 13F |
| TWO SIGMA SECURITIES, LLC | 11,892 | $31,752 | New | 13F |
| Balyasny Asset Management L.P. | 11,872 | $31,698 | New | 13F |
| SEI INVESTMENTS CO | 11,564 | $30,876 | +0% | 13F |
| BNP PARIBAS FINANCIAL MARKETS | 11,329 | $30,248 | +838% | 13F |
| Mesirow Financial Investment Management, Inc. | 11,305 | $30,184 | +0% | 13F |
| Bronte Capital Management Pty Ltd. | 10,716 | $28,612 | New | 13F |
| INTECH INVESTMENT MANAGEMENT LLC | 10,446 | $27,891 | New | 13F |
| Integrated Wealth Concepts LLC | 10,179 | $27,178 | +0% | 13F |
| Steward Partners Investment Advisory, LLC | 10,000 | $26,700 | New | 13F |
| FMR LLC | 7,530 | $20,106 | -99% | 13F |
| OSAIC HOLDINGS, INC. | 7,350 | $19,624 | +37% | 13F |
| Vanguard Global Advisers, LLC | 6,684 | $17,846 | +0% | 13F |
| Legal & General Group Plc | 4,610 | $12,309 | New | 13F |
| Ameritas Investment Partners, Inc. | 4,289 | $11,452 | New | 13F |
| Russell Investments Group, Ltd. | 3,779 | $10,089 | New | 13F |
| PNC Financial Services Group, Inc. | 3,080 | $8,224 | +0% | 13F |
| Rockefeller Capital Management L.P. | 3,000 | $8,010 | +0% | 13F |
| Tower Research Capital LLC (TRC) | 2,899 | $7,740 | +2357% | 13F |
| TFC Financial Management, Inc. | 2,500 | $6,675 | +0% | 13F |
| JONES FINANCIAL COMPANIES LLLP | 2,000 | $4,720 | +0% | 13F |
| ROYAL BANK OF CANADA | 1,561 | $4,000 | -78% | 13F |
| NISA INVESTMENT ADVISORS, LLC | 1,229 | $3,281 | +0% | 13F |
| US BANCORP \DE\ | 1,000 | $2,670 | +0% | 13F |
| Sterling Capital Management LLC | 952 | $2,542 | New | 13F |
| GROUP ONE TRADING LLC | 722 | $1,928 | -51% | 13F |
| EverSource Wealth Advisors, LLC | 407 | $1,087 | +0% | 13F |
| SBI Securities Co., Ltd. | 291 | $777 | -4% | 13F |
| ACADIAN ASSET MANAGEMENT LLC | 270,338 | $718 | +45% | 13F |
| Farther Finance Advisors, LLC | 200 | $534 | +0% | 13F |
| PRICE T ROWE ASSOCIATES INC /MD/ | 39,327 | $106 | New | 13F |
| Caitong International Asset Management Co., Ltd | 39 | $104 | New | 13F |
| Arax Advisory Partners | 26 | $69 | +0% | 13F |
| Virtu Financial LLC | 11,940 | $32 | New | 13F |
| Avion Wealth | 500 | $1 | New | 13F |
Questions and answers
- How many institutions hold Acumen Pharmaceuticals, Inc.?
- 96 managers reported Acumen Pharmaceuticals, Inc. on Form 13F for the quarter ended 30 June 2026, against 84 the quarter before.
- Who is the largest institutional holder of Acumen Pharmaceuticals, Inc.?
- RA CAPITAL MANAGEMENT, L.P., with 20,992,669 shares worth $56 million on its 13F for Q2 2026.
- How many institutions bought or sold out of Acumen Pharmaceuticals, Inc. in Q2 2026?
- 30 managers reported a new position and 18 reported none after holding it the quarter before.
Source: SEC EDGAR, Form 13F (public domain). Counts and values as filed. Cite this page: Tamarly Intelligence, "Who holds Acumen Pharmaceuticals, Inc., Q2 2026", https://app.tamarly.ai/holders/acumen-pharmaceuticals, built from SEC EDGAR.
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