The institutional landscape for Acumen Pharmaceuticals, Inc. (NASDAQ:ABOS) includes 48 filers as of the latest reporting cycle ending December 2025.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| Sands Capital Alternatives, LLC | 31 Dec, 2025 | 3,417,075 | 0 | 0.00% | $7,210,028.00 |
| FRANKLIN RESOURCES INC | 31 Dec, 2025 | 2,305,096 | 0 | 0.00% | $4,863,753.00 |
| VANGUARD GROUP INC | 31 Dec, 2025 | 1,653,772 | 2,300 | 0.14% | $3,489,459.00 |
| Knollwood Investment Advisory, LLC | 31 Dec, 2025 | 1,628,510 | 0 | 0.00% | $3,436,156.00 |
| Alyeska Investment Group, L.P. | 31 Dec, 2025 | 939,603 | 0 | 0.00% | $1,982,562.00 |
| Laurion Capital Management LP | 31 Dec, 2025 | 867,046 | 0 | 0.00% | $1,829,467.00 |
| Pathstone Holdings, LLC | 31 Dec, 2025 | 859,110 | 0 | 0.00% | $1,812,722.00 |
| Hudson Bay Capital Management LP | 31 Dec, 2025 | 725,000 | -4 | 0.00% | $1,529,750.00 |
| RENAISSANCE TECHNOLOGIES LLC | 31 Dec, 2025 | 423,100 | -161,192 | -27.59% | $892,741.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Dec, 2025 | 410,206 | 11,428 | 2.87% | $865,686.00 |
| SG Americas Securities, LLC | 31 Dec, 2025 | 401,047 | -2,831 | -0.70% | $846.00 |
| BlackRock, Inc. | 31 Dec, 2025 | 169,505 | -5,185 | -2.97% | $357,655.00 |
| MORGAN STANLEY | 31 Dec, 2025 | 166,905 | 17,504 | 11.72% | $352,169.00 |
| ACADIAN ASSET MANAGEMENT LLC | 31 Dec, 2025 | 152,780 | 74,860 | 96.07% | $320.00 |
| JANE STREET GROUP, LLC | 31 Dec, 2025 | 142,123 | -65,116 | -31.42% | $299,879.00 |
| GOLDMAN SACHS GROUP INC | 31 Dec, 2025 | 117,851 | -29,297 | -19.91% | $248,666.00 |
| STATE STREET CORP | 31 Dec, 2025 | 100,178 | -6,500 | -6.09% | $211,376.00 |
| CATALYST FINANCIAL PARTNERS LLC | 31 Dec, 2025 | 89,699 | 0 | 0.00% | $189,265.00 |
| Prospera Financial Services Inc | 31 Dec, 2025 | 50,000 | 50,000 | 0.00% | $105,500.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Dec, 2025 | 49,062 | 5,538 | 12.72% | $103,520.00 |