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. | 08/14/2026 | 20.99 M | $56.05 M | 0.00% | 29.06% |
| SANDS CAPITAL VENTURES, LLC | 08/13/2026 | 3.72 M | $9.93 M | 0.00% | 5.15% |
| BLACKROCK, INC. | 08/07/2026 | 2.49 M | $6.65 M | 1,296.38% | 3.45% |
| ALYESKA INVESTMENT GROUP, L.P. | 08/14/2026 | 2.45 M | $6.55 M | 0.00% | 3.40% |
| FRANKLIN RESOURCES INC | 08/13/2026 | 2.31 M | $6.15 M | 0.00% | 3.19% |
| ADAR1 CAPITAL MANAGEMENT, LLC | 08/14/2026 | 2.11 M | $5.64 M | -2.09% | 2.92% |
| VANGUARD CAPITAL MANAGEMENT LLC | 08/13/2026 | 1.67 M | $4.46 M | 11.01% | 2.31% |
| KNOLLWOOD INVESTMENT ADVISORY, LLC | 08/13/2026 | 1.63 M | $4.35 M | 0.00% | 2.25% |
| GEODE CAPITAL MANAGEMENT, LLC | 08/12/2026 | 1.14 M | $3.05 M | 174.33% | 1.58% |
| IKARIAN CAPITAL, LLC | 08/14/2026 | 1.05 M | $2.81 M | 0.00% | 1.46% |
| HUDSON BAY CAPITAL MANAGEMENT LP | 08/14/2026 | 955.00 K | $2.55 M | -1.44% | 1.32% |
| PATHSTONE HOLDINGS, LLC | 08/13/2026 | 859.11 K | $2.29 M | 0.00% | 1.19% |
| RENAISSANCE TECHNOLOGIES LLC | 08/13/2026 | 675.03 K | $1.80 M | 42.43% | 0.93% |
| TWO SIGMA INVESTMENTS, LP | 08/14/2026 | 622.88 K | $1.66 M | 17.35% | 0.86% |
| STATE STREET CORP | 08/07/2026 | 600.53 K | $1.60 M | 295.79% | 0.83% |
| NORTHERN TRUST CORP | 08/13/2026 | 360.74 K | $963.19 K | 379.64% | 0.50% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 08/13/2026 | 320.80 K | $856.52 K | 100.00% | 0.44% |
| DIMENSIONAL FUND ADVISORS LP | 08/11/2026 | 291.56 K | $778.97 K | 143.46% | 0.40% |
| VANGUARD FIDUCIARY TRUST CO | 08/13/2026 | 291.24 K | $777.61 K | 46.19% | 0.40% |
| BANK OF AMERICA CORP /DE/ | 08/14/2026 | 274.78 K | $733.67 K | -14.19% | 0.38% |
| BOOTHBAY FUND MANAGEMENT, LLC | 08/14/2026 | 273.01 K | $728.94 K | 0.00% | 0.38% |
| ACADIAN ASSET MANAGEMENT LLC | 08/13/2026 | 270.34 K | $718.00 K | 45.46% | 0.37% |
| NOMURA HOLDINGS INC | 08/14/2026 | 189.71 K | $506.53 K | 100.00% | 0.26% |
| GOLDMAN SACHS GROUP INC | 08/14/2026 | 183.93 K | $491.09 K | -11.01% | 0.25% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 08/14/2026 | 176.17 K | $470.38 K | 0.00% | 0.24% |
| MORGAN STANLEY | 08/13/2026 | 136.76 K | $365.16 K | -5.41% | 0.19% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 08/14/2026 | 126.10 K | $336.70 K | -79.03% | 0.17% |
| BANK OF NEW YORK MELLON CORP | 08/06/2026 | 124.38 K | $332.09 K | 100.00% | 0.17% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 08/14/2026 | 115.10 K | $307.31 K | 100.00% | 0.16% |
| SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. | 08/14/2026 | 115.10 K | $307.31 K | 100.00% | 0.16% |
| PFG INVESTMENTS, LLC | 07/23/2026 | 94.25 K | $251.65 K | 16.57% | 0.13% |
| CATALYST FINANCIAL PARTNERS LLC | 07/30/2026 | 89.70 K | $239.50 K | 0.00% | 0.12% |
| NUVEEN, LLC | 08/11/2026 | 63.36 K | $169.16 K | 100.00% | 0.09% |
| MILLENNIUM MANAGEMENT LLC | 08/14/2026 | 60.60 K | $161.80 K | -90.81% | 0.08% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 08/14/2026 | 59.40 K | $158.60 K | 6.07% | 0.08% |
| SQUAREPOINT OPS LLC | 08/14/2026 | 52.35 K | $139.78 K | 248.66% | 0.07% |
| CITADEL ADVISORS LLC | 09/02/2026 | 51.05 K | $136.30 K | 100.00% | 0.07% |
| PROSPERA FINANCIAL SERVICES INC | 07/15/2026 | 50.00 K | $133.50 K | 0.00% | 0.07% |
| WELLS FARGO & COMPANY/MN | 08/14/2026 | 49.69 K | $132.66 K | 391.55% | 0.07% |
| MARSHALL WACE, LLP | 08/13/2026 | 48.11 K | $128.47 K | -75.06% | 0.07% |
| DEUTSCHE BANK AG\ | 08/07/2026 | 46.13 K | $123.17 K | 100.00% | 0.06% |
| VERDAD ADVISERS, LP | 08/14/2026 | 44.48 K | $118.76 K | 19.31% | 0.06% |
| BARCLAYS PLC | 08/14/2026 | 39.66 K | $105.88 K | 29.26% | 0.05% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 08/14/2026 | 39.33 K | $106.00 K | 100.00% | 0.05% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 08/14/2026 | 38.61 K | $103.10 K | -67.93% | 0.05% |
| NEW YORK STATE COMMON RETIREMENT FUND | 07/29/2026 | 36.20 K | $96.65 K | 100.00% | 0.05% |
| RHUMBLINE ADVISERS | 08/12/2026 | 35.03 K | $93.54 K | 100.00% | 0.05% |
| RANGELEY CAPITAL, LLC | 08/14/2026 | 35.00 K | $93.45 K | 0.00% | 0.05% |
| XTX TOPCO LTD | 08/14/2026 | 32.13 K | $85.80 K | 100.00% | 0.04% |
| INTREPID FINANCIAL PLANNING GROUP LLC | 08/12/2026 | 30.15 K | $80.50 K | 0.00% | 0.04% |
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Acumen Pharmaceuticals Inc institutional Ownership - FAQ's
During the previous two years, 128 institutional investors and hedge funds held shares of Acumen Pharmaceuticals Inc. The most heavily invested institutionals were:
RA CAPITAL MANAGEMENT, L.P.: 20.99 M
Sands Capital Ventures, LLC: 3.72 M
BlackRock, Inc.: 2.49 M
Alyeska Investment Group, L.P.: 2.45 M
FRANKLIN RESOURCES INC: 2.31 M
ADAR1 Capital Management, LLC: 2.11 M
66.40% of Acumen Pharmaceuticals Inc stock is owned by institutional investors.
Institutional investors have bought a total of 52.98 M shares in the last 24 months. This purchase volume represents approximately $166.35 M in transactions.