Funds holding Acumen Pharmaceuticals Inc
30 funds declare a position · 5 ETFs and 25 other funds · 11.7M $· 179.6K € · US00509G2093
Each line carries its report date.
| Rank | Fund | Shares | Value | Weight | |
|---|---|---|---|---|---|
| 1 | Select Health Care Portfolio Fidelity Select Portfolios | 1,140,000 | 3.6M $ | 0.06 % | as of Feb 28, 2026 · Original filing |
| 2 | VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 1,118,322 | 2.6M $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 3 | Franklin Biotechnology Discovery Fund Franklin Strategic Series | 826,400 | 2M $ | 0.19 % | as of Apr 30, 2026 · Original filing |
| 4 | VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 356,155 | 840.5K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 5 | Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 175,512 | 551.1K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 6 | iShares Micro-Cap ETF iShares Trust | 97,119 | 229.2K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 7 | VIP Health Care Portfolio Variable Insurance Products Fund IV | 95,526 | 225.4K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 8 | Ultra-Small Company Market Fund Bridgeway Funds, Inc. | 87,871 | 207.4K $ | 0.17 % | as of Mar 31, 2026 · Original filing |
| 9 | Dimensional U.S. Small Cap ETF Dimensional ETF Trust | 87,781 | 209.8K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 10 | Fidelity Advisor Health Care Fund Fidelity Advisor Series VII | 84,427 | 201.8K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 11 | Ultra-Small Company Fund Bridgeway Funds, Inc. | 75,000 | 177K $ | 0.21 % | as of Mar 31, 2026 · Original filing |
| 12 | Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 64,344 | 202K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 13 | Fidelity Total Market Index Fund Fidelity Concord Street Trust | 59,602 | 187.2K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 14 | Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 45,873 | 144K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 15 | Goldman Sachs Absolute Return Tracker Fund GOLDMAN SACHS TRUST | 39,288 | 92.7K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 16 | VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 26,300 | 62.1K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 17 | U.S. MICRO CAP PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 10,755 | 25.7K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 18 | JNL/DFA U.S. Small Cap Fund JNL Series Trust | 10,532 | 24.9K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 19 | Dimensional U.S. Core Equity 2 ETF Dimensional ETF Trust | 9,637 | 23K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 20 | 1290 VT Micro Cap Portfolio EQ Advisors Trust | 6,824 | 16.1K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 21 | Blackstone Alternative Multi-Strategy Fund Blackstone Alternative Investment Funds | 5,700 | 13.5K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 22 | VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 5,500 | 13K $ | as of Mar 31, 2026 · Original filing | |
| 23 | Victory Extended Market Index Fund Victory Portfolios III | 5,303 | 12.7K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 24 | LVIP Dimensional U.S. Core Equity 2 Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 2,758 | 6.5K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 25 | iShares Neuroscience and Healthcare ETF iShares Trust | 2,555 | 6.1K $ | 0.12 % | as of Apr 30, 2026 · Original filing |
| 26 | U.S. Social Core Equity 2 Portfolio DFA INVESTMENT DIMENSIONS GROUP INC | 2,510 | 6K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 27 | Avantis U.S. Small Cap Equity ETF American Century ETF Trust | 1,306 | 4.1K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 28 | Small Cap Core Fund Northern Funds | 903 | 2.1K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 29 | Knights of Columbus U.S. ALL CAP INDEX FUND ADVISORS' INNER CIRCLE III | 198 | 473.2 $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 30 | VIFAG 2002, SICAV S.A. GESALCALA, S.A., S.G.I.I.C. | 179.6K € | 0.22 % | as of Dec 31, 2025 · Original filing |
Institutional managers
81 managers declare this company to the SEC (Form 13F). These positions are not counted in the totals above: a manager and its own funds file separately.
| Manager | Shares | Value | |
|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 20,992,669 | 49.5M $ | as of Mar 31, 2026 |
| Sands Capital Alternatives, LLC | 3,720,105 | 8.8M $ | as of Mar 31, 2026 |
| Alyeska Investment Group, L.P. | 2,454,754 | 5.8M $ | as of Mar 31, 2026 |
| FRANKLIN RESOURCES INC | 2,305,096 | 5.4M $ | as of Mar 31, 2026 |
| ADAR1 Capital Management, LLC | 2,156,334 | 5.1M $ | as of Mar 31, 2026 |
| Knollwood Investment Advisory, LLC | 1,628,510 | 3.8M $ | as of Mar 31, 2026 |
| FMR LLC | 1,157,346 | 2.7M $ | as of Mar 31, 2026 |
| Ikarian Capital, LLC | 1,053,797 | 2.5M $ | as of Mar 31, 2026 |
| Hudson Bay Capital Management LP | 968,940 | 2.3M $ | as of Mar 31, 2026 |
| Pathstone Holdings, LLC | 859,110 | 2M $ | as of Mar 31, 2026 |
| MILLENNIUM MANAGEMENT LLC | 659,675 | 1.6M $ | as of Mar 31, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 601,476 | 1.4M $ | as of Mar 31, 2026 |
| TWO SIGMA INVESTMENTS, LP | 530,812 | 1.3M $ | as of Mar 31, 2026 |
| Laurion Capital Management LP | 525,444 | 1.2M $ | as of Mar 31, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | 473,946 | 1.1M $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 416,238 | 982.8K $ | as of Mar 31, 2026 |
| BANK OF AMERICA CORP /DE/ | 320,216 | 755.7K $ | as of Mar 31, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | 273,012 | 644.3K $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 206,683 | 487.8K $ | as of Mar 31, 2026 |
| MARSHALL WACE, LLP | 192,889 | 455.2K $ | as of Mar 31, 2026 |
| BlackRock, Inc. | 178,326 | 420.8K $ | as of Mar 31, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 176,171 | 415.8K $ | as of Mar 31, 2026 |
| STATE STREET CORP | 151,728 | 358.1K $ | as of Mar 31, 2026 |
| MORGAN STANLEY | 144,584 | 341.2K $ | as of Mar 31, 2026 |
| Qube Research & Technologies Ltd | 120,388 | 284.1K $ | as of Mar 31, 2026 |