Acumen Pharmaceuticals Inc Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 02/17/2026 | 14.93 M | $31.51 M | 0.00% | 24.65% |
| SANDS CAPITAL VENTURES, LLC | 02/13/2026 | 3.42 M | $7.21 M | 0.00% | 5.64% |
| FRANKLIN RESOURCES INC | 02/11/2026 | 2.31 M | $4.86 M | 0.00% | 3.81% |
| FMR LLC | 02/17/2026 | 2.03 M | $4.28 M | -0.09% | 3.35% |
| VANGUARD GROUP INC | 01/29/2026 | 1.65 M | $3.49 M | 0.14% | 2.73% |
| KNOLLWOOD INVESTMENT ADVISORY, LLC | 02/13/2026 | 1.63 M | $3.44 M | 0.00% | 2.69% |
| ALYESKA INVESTMENT GROUP, L.P. | 02/13/2026 | 939.60 K | $1.98 M | 0.00% | 1.55% |
| ADAR1 CAPITAL MANAGEMENT, LLC | 02/18/2026 | 891.18 K | $1.88 M | 0.00% | 1.47% |
| LAURION CAPITAL MANAGEMENT LP | 02/17/2026 | 867.05 K | $1.83 M | 0.00% | 1.43% |
| PATHSTONE HOLDINGS, LLC | 02/13/2026 | 859.11 K | $1.81 M | 0.00% | 1.42% |
| HUDSON BAY CAPITAL MANAGEMENT LP | 02/13/2026 | 725.00 K | $1.53 M | 0.00% | 1.20% |
| MILLENNIUM MANAGEMENT LLC | 02/17/2026 | 584.14 K | $1.23 M | -2.92% | 0.96% |
| RENAISSANCE TECHNOLOGIES LLC | 02/12/2026 | 423.10 K | $892.74 K | -27.59% | 0.70% |
| TWO SIGMA ADVISERS, LP | 02/17/2026 | 421.80 K | $890.00 K | -0.42% | 0.70% |
| GEODE CAPITAL MANAGEMENT, LLC | 02/09/2026 | 410.21 K | $865.69 K | 2.87% | 0.68% |
| SG AMERICAS SECURITIES, LLC | 01/09/2026 | 401.05 K | $846.00 K | -0.70% | 0.66% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 02/17/2026 | 373.20 K | $787.45 K | 74.03% | 0.62% |
| CITADEL ADVISORS LLC | 02/17/2026 | 345.28 K | $728.55 K | -30.12% | 0.57% |
| IKARIAN CAPITAL, LLC | 02/18/2026 | 254.31 K | $536.60 K | -4.31% | 0.42% |
| BANK OF AMERICA CORP /DE/ | 02/17/2026 | 240.15 K | $506.72 K | 12.36% | 0.40% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 02/17/2026 | 170.17 K | $359.06 K | -10.52% | 0.28% |
| BLACKROCK, INC. | 02/12/2026 | 169.51 K | $357.66 K | -2.97% | 0.28% |
| MORGAN STANLEY | 02/13/2026 | 166.91 K | $352.17 K | 11.72% | 0.28% |
| ACADIAN ASSET MANAGEMENT LLC | 02/10/2026 | 152.78 K | $320.00 K | 96.07% | 0.25% |
| TWO SIGMA INVESTMENTS, LP | 02/17/2026 | 143.22 K | $302.20 K | -28.19% | 0.24% |
| JANE STREET GROUP, LLC | 02/12/2026 | 142.12 K | $299.88 K | -31.42% | 0.23% |
| GOLDMAN SACHS GROUP INC | 03/25/2026 | 117.85 K | $248.67 K | -19.91% | 0.19% |
| STATE STREET CORP | 02/13/2026 | 100.18 K | $211.38 K | -6.09% | 0.17% |
| CATALYST FINANCIAL PARTNERS LLC | 02/04/2026 | 89.70 K | $189.27 K | 0.00% | 0.15% |
| NORTHERN TRUST CORP | 02/17/2026 | 75.21 K | $158.70 K | 15.79% | 0.12% |
| PROSPERA FINANCIAL SERVICES INC | 02/09/2026 | 50.00 K | $105.50 K | 100.00% | 0.08% |
| XTX TOPCO LTD | 02/17/2026 | 49.56 K | $104.58 K | 100.00% | 0.08% |
| DIMENSIONAL FUND ADVISORS LP | 02/12/2026 | 49.06 K | $103.52 K | 12.72% | 0.08% |
| QUADRATURE CAPITAL LTD | 02/17/2026 | 49.05 K | $103.49 K | 100.00% | 0.08% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 02/17/2026 | 47.99 K | $101.25 K | 45.94% | 0.08% |
| BOOTHBAY FUND MANAGEMENT, LLC | 02/17/2026 | 39.59 K | $83.52 K | -22.45% | 0.07% |
| POINT72 ASSET MANAGEMENT, L.P. | 02/17/2026 | 36.37 K | $76.73 K | 100.00% | 0.06% |
| INTREPID FINANCIAL PLANNING GROUP LLC | 02/13/2026 | 30.15 K | $63.62 K | 0.00% | 0.05% |
| BARCLAYS PLC | 02/13/2026 | 29.99 K | $63.28 K | 0.00% | 0.05% |
| CATALYST FUNDS MANAGEMENT PTY LTD | 02/09/2026 | 29.60 K | $62.46 K | 0.00% | 0.05% |
| CITADEL ADVISORS LLC | 02/17/2026 | 26.80 K | $56.55 K | 131.03% | 0.04% |
| OMERS ADMINISTRATION CORP | 02/13/2026 | 22.45 K | $47.38 K | 100.00% | 0.04% |
| UBS GROUP AG | 01/29/2026 | 21.56 K | $45.50 K | -30.09% | 0.04% |
| MARSHALL WACE, LLP | 02/13/2026 | 20.91 K | $44.11 K | 100.00% | 0.03% |
| INDEPENDENT ADVISOR ALLIANCE | 02/04/2026 | 19.00 K | $40.09 K | 100.00% | 0.03% |
| PFG INVESTMENTS, LLC | 01/26/2026 | 19.00 K | $40.09 K | 65.22% | 0.03% |
| PINNACLE ASSOCIATES LTD | 02/05/2026 | 18.02 K | $38.02 K | 0.00% | 0.03% |
| PINNACLE WEALTH MANAGEMENT ADVISORY GROUP, LLC | 02/02/2026 | 18.02 K | $38.02 K | 0.00% | 0.03% |
| CLUNE & ASSOCIATES, LTD. | 02/09/2026 | 16.50 K | $34.82 K | 0.00% | 0.03% |
| VIRTU FINANCIAL LLC | 02/23/2026 | 10.92 K | $23.00 K | 100.00% | 0.02% |
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Acumen Pharmaceuticals Inc institutional Ownership - FAQ's
During the previous two years, 88 institutional investors and hedge funds held shares of Acumen Pharmaceuticals Inc. The most heavily invested institutionals were:
SG Americas Securities, LLC: 719,257
PFG Investments, LLC: 80,850
Prospera Financial Services Inc: 50,000
UBS Group AG: 37,146
Pinnacle Wealth Management Advisory Group, LLC: 18,020
PINNACLE ASSOCIATES LTD: 18,020
58.87% of Acumen Pharmaceuticals Inc stock is owned by institutional investors.
Institutional investors have bought a total of 39.00 M shares in the last 24 months. This purchase volume represents approximately $122.45 M in transactions.