ABOS · Company research
Acumen Pharmaceuticals, Inc. Common Stock (ABOS): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
80records availableHealthcare
Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| Invesco Ltd. | 914208 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5742 | 15331 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Knollwood Investment Advisory, LLC | 1999346 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1628510 | 4348122 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| DEUTSCHE BANK AG\ | 948046 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 46132 | 123172 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Pathstone Holdings, LLC | 2011612 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 859110 | 2293824 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| ROYAL BANK OF CANADA | 1000275 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1561 | 4000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| CITIGROUP INC | 831001 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19162 | 51163 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| US BANCORP \DE\ | 36104 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1000 | 2670 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Qube Research & Technologies Ltd | 1729829 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 38614 | 103099 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Mesirow Financial Investment Management, Inc. | 1469475 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11305 | 30184 | — | — | — | Jul 22, 2026 | SEC_13F_DATASET |
| Squarepoint Ops LLC | 1642575 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 52351 | 139777 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Sixth Street Partners Management Company, L.P. | 1812095 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 115099 | 307314 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| INTECH INVESTMENT MANAGEMENT LLC | 1086318 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10446 | 27891 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Vanguard Global Advisers, LLC | 1811242 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6684 | 17846 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Spark Investment Management LLC | 1554871 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14700 | 39249 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1672072 | 4464432 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 320795 | 856523 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 884546 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 115099 | 307314 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Russell Investments Group, Ltd. | 1692234 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3779 | 10089 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Ameritas Investment Partners, Inc. | 1055980 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4289 | 11452 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| OSAIC HOLDINGS, INC. | 1677044 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7350 | 19624 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Tower Research Capital LLC (TRC) | 1533421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2899 | 7740 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 126104 | 336698 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Rangeley Capital, LLC | 1517796 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 35000 | 93450 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| ACADIAN ASSET MANAGEMENT LLC | 916542 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 270338 | 718 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Caitong International Asset Management Co., Ltd | 1963355 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 39 | 104 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| GROUP ONE TRADING LLC | 932540 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 83400 | 222678 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Sterling Capital Management LLC | 1329883 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 952 | 2542 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| RENAISSANCE TECHNOLOGIES LLC | 1037389 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 675025 | 1802317 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Bank of New York Mellon Corp | 1390777 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 75756 | 202269 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Pinnacle Wealth Management Advisory Group, LLC | 1631864 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18020 | 48113 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| BANK OF AMERICA CORP /DE/ | 70858 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 165090 | 440790 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| TWO SIGMA INVESTMENTS, LP | 1179392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 622882 | 1663095 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Legal & General Group Plc | 764068 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4610 | 12309 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| NISA INVESTMENT ADVISORS, LLC | 937615 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1229 | 3281 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Balyasny Asset Management L.P. | 1218710 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11872 | 31698 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| EverSource Wealth Advisors, LLC | 1710537 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 407 | 1087 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16874 | 45054 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| WELLS FARGO & COMPANY/MN | 72971 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 39578 | 105673 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BlackRock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1631478 | 4356046 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Virtu Financial LLC | 1533964 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11940 | 32 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| JONES FINANCIAL COMPANIES LLLP | 815917 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2000 | 4720 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PNC Financial Services Group, Inc. | 713676 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3080 | 8224 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Alyeska Investment Group, L.P. | 1453072 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2454754 | 6554193 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| STIFEL FINANCIAL CORP | 720672 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12400 | 33108 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Integrated Wealth Concepts LLC | 1737109 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10179 | 27178 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| TWO SIGMA SECURITIES, LLC | 1450144 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11892 | 31752 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| XTX Topco Ltd | 1828301 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 32134 | 85798 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Police & Firemen's Retirement System of New Jersey | 2040686 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19393 | 51779 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| AXQ CAPITAL, LP | 1916908 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24426 | 65217 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| BARCLAYS PLC | 312069 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 37221 | 99379 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 39327 | 106 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Verdad Advisers, LP | 1812822 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 44478 | 118756 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| NOMURA HOLDINGS INC | 1163653 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 189712 | 506531 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| NORTHERN TRUST CORP | 73124 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 353373 | 943506 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Prospera Financial Services Inc | 1541625 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 50000 | 133500 | — | — | — | Jul 15, 2026 | SEC_13F_DATASET |
| Farther Finance Advisors, LLC | 1992825 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 200 | 534 | — | — | — | Jul 17, 2026 | SEC_13F_DATASET |
| Avion Wealth | 1792704 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 500 | 1 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| Rockefeller Capital Management L.P. | 1739439 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3000 | 8010 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Bronte Capital Management Pty Ltd. | 1471085 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10716 | 28612 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| Factor Wealth Management LTD | 2055816 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16500 | 44055 | — | — | — | Jul 8, 2026 | SEC_13F_DATASET |
| SEI INVESTMENTS CO | 350894 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11564 | 30876 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| GEODE CAPITAL MANAGEMENT, LLC | 1214717 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 986917 | 2635594 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Steward Partners Investment Advisory, LLC | 1723397 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10000 | 26700 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Hudson Bay Capital Management LP | 1393825 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 955000 | 2549850 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PINNACLE ASSOCIATES LTD | 743127 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18020 | 48113 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| CATALYST FINANCIAL PARTNERS LLC | 1927537 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 89699 | 239496 | — | — | — | Jul 30, 2026 | SEC_13F_DATASET |
| VANGUARD FIDUCIARY TRUST CO | 933478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 291240 | 777611 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MARSHALL WACE, LLP | 1318757 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 35006 | 93466 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Arax Advisory Partners | 1586767 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 26 | 69 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| STATE STREET CORP | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 600528 | 1603410 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1107261 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 176171 | 470377 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PFG Investments, LLC | 1973224 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 94250 | 251648 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| Y-Intercept (Hong Kong) Ltd | 1772875 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 29540 | 78872 | — | — | — | Jul 14, 2026 | SEC_13F_DATASET |
| Intrepid Financial Planning Group LLC | 1641296 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 30150 | 80501 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| SBI Securities Co., Ltd. | 1851815 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 291 | 777 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| Quantinno Capital Management LP | 1759654 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 26769 | 71473 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| GOLDMAN SACHS GROUP INC | 886982 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 108119 | 288678 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| AMERICAN CENTURY COMPANIES INC | 748054 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24136 | 64443 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| State Street Corporation | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 600528 | 1603410000 | — | — | — | Sep 22, 2026 | SEC_13F_HR |
| Goldman Sachs Group Inc. | 886982 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 75808 | 202407000 | — | — | — | Aug 14, 2026 | SEC_13F_HR |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.