Funds holding Acumen Pharmaceuticals Inc
ISIN US00509G2093 · United States
- Fund holders
- 30
- Of which ETFs
- 5 25 other funds
- Value held
- ≈ 11.9M $ 11.7M $ · 179.6K €
- Share of capital
- 6.1 % of 72.3M shares on Aug 7, 2026
| Fund | Shares | Value | Weight in fund | Share of capital | |
|---|---|---|---|---|---|
| Select Health Care Portfolio Fidelity Select Portfolios | 1,140,000 | 3.6M $ | 0.06 % | 1.58 % | as of Feb 28, 2026 ↗ |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 1,118,322 | 2.6M $ | 0.00 % | 1.55 % | as of Mar 31, 2026 ↗ |
| Franklin Biotechnology Discovery Fund Franklin Strategic Series | 826,400 | 2M $ | 0.19 % | 1.14 % | as of Apr 30, 2026 ↗ |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 356,155 | 840.5K $ | 0.00 % | 0.49 % | as of Mar 31, 2026 ↗ |
| Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 175,512 | 551.1K $ | 0.00 % | 0.24 % | as of Feb 28, 2026 ↗ |
| iShares Micro-Cap ETF iShares Trust | 97,119 | 229.2K $ | 0.02 % | 0.13 % | as of Mar 31, 2026 ↗ |
| VIP Health Care Portfolio Variable Insurance Products Fund IV | 95,526 | 225.4K $ | 0.02 % | 0.13 % | as of Mar 31, 2026 ↗ |
| Ultra-Small Company Market Fund Bridgeway Funds, Inc. | 87,871 | 207.4K $ | 0.17 % | 0.12 % | as of Mar 31, 2026 ↗ |
| Dimensional U.S. Small Cap ETF Dimensional ETF Trust | 87,781 | 209.8K $ | 0.00 % | 0.12 % | as of Apr 30, 2026 ↗ |
| Fidelity Advisor Health Care Fund Fidelity Advisor Series VII | 84,427 | 201.8K $ | 0.01 % | 0.12 % | as of Apr 30, 2026 ↗ |
| Ultra-Small Company Fund Bridgeway Funds, Inc. | 75,000 | 177K $ | 0.21 % | 0.10 % | as of Mar 31, 2026 ↗ |
| Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 64,344 | 202K $ | 0.00 % | 0.09 % | as of Feb 28, 2026 ↗ |
| Fidelity Total Market Index Fund Fidelity Concord Street Trust | 59,602 | 187.2K $ | 0.00 % | 0.08 % | as of Feb 28, 2026 ↗ |
| Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 45,873 | 144K $ | 0.00 % | 0.06 % | as of Feb 28, 2026 ↗ |
| Goldman Sachs Absolute Return Tracker Fund GOLDMAN SACHS TRUST | 39,288 | 92.7K $ | 0.00 % | 0.05 % | as of Mar 31, 2026 ↗ |
| VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 26,300 | 62.1K $ | 0.00 % | 0.04 % | as of Mar 31, 2026 ↗ |
| U.S. MICRO CAP PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 10,755 | 25.7K $ | 0.00 % | 0.01 % | as of Apr 30, 2026 ↗ |
| JNL/DFA U.S. Small Cap Fund JNL Series Trust | 10,532 | 24.9K $ | 0.00 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Dimensional U.S. Core Equity 2 ETF Dimensional ETF Trust | 9,637 | 23K $ | 0.00 % | 0.01 % | as of Apr 30, 2026 ↗ |
| 1290 VT Micro Cap Portfolio EQ Advisors Trust | 6,824 | 16.1K $ | 0.01 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Blackstone Alternative Multi-Strategy Fund Blackstone Alternative Investment Funds | 5,700 | 13.5K $ | 0.00 % | 0.01 % | as of Mar 31, 2026 ↗ |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 5,500 | 13K $ | 0.01 % | as of Mar 31, 2026 ↗ | |
| Victory Extended Market Index Fund Victory Portfolios III | 5,303 | 12.7K $ | 0.00 % | 0.01 % | as of Apr 30, 2026 ↗ |
| LVIP Dimensional U.S. Core Equity 2 Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 2,758 | 6.5K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| iShares Neuroscience and Healthcare ETF iShares Trust | 2,555 | 6.1K $ | 0.12 % | 0.00 % | as of Apr 30, 2026 ↗ |
| U.S. Social Core Equity 2 Portfolio DFA INVESTMENT DIMENSIONS GROUP INC | 2,510 | 6K $ | 0.00 % | 0.00 % | as of Apr 30, 2026 ↗ |
| Avantis U.S. Small Cap Equity ETF American Century ETF Trust | 1,306 | 4.1K $ | 0.00 % | 0.00 % | as of Feb 28, 2026 ↗ |
| Small Cap Core Fund Northern Funds | 903 | 2.1K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
| Knights of Columbus U.S. ALL CAP INDEX FUND ADVISORS' INNER CIRCLE III | 198 | 473.2 $ | 0.00 % | 0.00 % | as of Apr 30, 2026 ↗ |
| VIFAG 2002, SICAV S.A. GESALCALA, S.A., S.G.I.I.C. | 179.6K € | 0.22 % | as of Dec 31, 2025 ↗ |
The funds most exposed to it
The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.
| Fund | Weight in fund | |
|---|---|---|
| VIFAG 2002, SICAV S.A. GESALCALA, S.A., S.G.I.I.C. | 0.22 % | as of Dec 31, 2025 ↗ |
| Ultra-Small Company Fund Bridgeway Funds, Inc. | 0.21 % | as of Mar 31, 2026 ↗ |
| Franklin Biotechnology Discovery Fund Franklin Strategic Series | 0.19 % | as of Apr 30, 2026 ↗ |
| Ultra-Small Company Market Fund Bridgeway Funds, Inc. | 0.17 % | as of Mar 31, 2026 ↗ |
| iShares Neuroscience and Healthcare ETF iShares Trust | 0.12 % | as of Apr 30, 2026 ↗ |
| Select Health Care Portfolio Fidelity Select Portfolios | 0.06 % | as of Feb 28, 2026 ↗ |
| VIP Health Care Portfolio Variable Insurance Products Fund IV | 0.02 % | as of Mar 31, 2026 ↗ |
| iShares Micro-Cap ETF iShares Trust | 0.02 % | as of Mar 31, 2026 ↗ |
| 1290 VT Micro Cap Portfolio EQ Advisors Trust | 0.01 % | as of Mar 31, 2026 ↗ |
| Fidelity Advisor Health Care Fund Fidelity Advisor Series VII | 0.01 % | as of Apr 30, 2026 ↗ |
Quarter after quarter
Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.
| Quarter | Holders | Change | Shares | Change |
|---|---|---|---|---|
| 2026Q2 | 29 | +5 | 4,444,001 | -10.5 % |
| 2026Q1 | 24 | +2 | 4,966,691 | -0.7 % |
| 2025Q4 | 22 | -21 | 5,004,117 | -8.8 % |
| 2025Q3 | 43 | -36 | 5,487,731 | -35.5 % |
| 2025Q2 | 79 | -5 | 8,504,553 | -3.3 % |
| 2025Q1 | 84 | -5 | 8,794,514 | +1.2 % |
| 2024Q4 | 89 | +35 | 8,686,600 | +23.8 % |
| 2024Q3 | 54 | +14 | 7,015,113 | +10.3 % |
| 2024Q2 | 40 | +8 | 6,360,612 | +34.3 % |
| 2024Q1 | 32 | -3 | 4,736,728 | +9.4 % |
| 2023Q4 | 35 | 4,329,811 |
Institutional managers
81 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.
| 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 |
| SG Americas Securities, LLC | 719,257 | 1.7K $ | 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 |
| ACADIAN ASSET MANAGEMENT LLC | 185,850 | 435 $ | 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 |
Declared shareholders of Acumen Pharmaceuticals Inc
There is 1 beneficial ownership filing. These stakes do not add up. An asset manager that files includes its own funds, which already appear among the funds on this page.
| Shareholder | Declared stake | Shares | |
|---|---|---|---|
| James B. Murray Jr. | 5.00 % | 3,611,360 | as of Apr 4, 2025 · SCHEDULE 13G |
Cite this page
Titelia. "Funds holding Acumen Pharmaceuticals Inc". https://titelia.com/en/stocks/acumen-pharmaceuticals-inc-US00509G2093