Acumen Pharmaceuticals, Inc.
ABOS- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001576885
No open-market purchases or sales by Acumen Pharmaceuticals, Inc. insiders were filed in the last 90 days; 96 institutions reported holding it in 13F filings for Q2 2026, worth $127.8M in total; no superinvestor holds it.
13F holders, Q4 2022
Institutional positions in Acumen Pharmaceuticals, Inc. as of Dec 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 60
- +10 vs. Q3 2022
- Shares held
- 28.7M
- +1.22M (+4.4%) vs. Q3 2022
- Total value
- $155.1M
- −$120.7M (−43.8%) vs. Q3 2022
- New holders
- 19
- 19 more added
- Sold out
- 9
- 16 more reduced
Compare with Q3 2022: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ABOS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 96 | $127.8M |
| Q1 2026 | 84 | $108.5M |
| Q4 2025 | 71 | $75.2M |
| Q3 2025 | 69 | $61.1M |
| Q2 2025 | 71 | $43.6M |
| Q1 2025 | 81 | $44.8M |
| Q4 2024 | 80 | $73.2M |
| Q3 2024 | 73 | $107.7M |
| Q2 2024 | 81 | $105.5M |
| Q1 2024 | 80 | $175.6M |
| Q4 2023 | 67 | $147.6M |
| Q3 2023 | 66 | $179.2M |
| Q2 2023 | 53 | $126.6M |
| Q1 2023 | 62 | $112.8M |
| Q4 2022 | 60 | $155.1M |
| Q3 2022 | 50 | $275.9M |
| Q2 2022 | 47 | $120.5M |
| Q1 2022 | 57 | $106.1M |
| Q4 2021 | 52 | $172.9M |
| Q3 2021 | 41 | $357.4M |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2022
Shares, value and share of portfolio for each institution holding Acumen Pharmaceuticals, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royal Bank of Canada | 5 | $0 | 0.00% | −46−90.2% | Reduced |
| Daiwa Securities Group Inc. | 165 | $1.00K | 0.00% | +165 | New |
| Ellevest, Inc. | 257 | $1.39K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 416 | $2.25K | 0.00% | +37+9.8% | Added |
| FMR LLC | 899 | $4.86K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 1,129 | $6.00K | 0.00% | −1,298−53.5% | Reduced |
| Wells Fargo & Company | 1,793 | $9.68K | 0.00% | −297−14.2% | Reduced |
| Cutler Group LP | 3,099 | $16.0K | 0.00% | +3,099 | New |
| Tower Research Capital LLC (TRC) | 3,272 | $18.0K | 0.00% | −4,845−59.7% | Reduced |
| Intrepid Financial Planning Group LLC | 10,000 | $54.0K | 0.03% | +10,000 | New |
| Jane Street Group, LLC | 10,198 | $55.1K | 0.00% | +10,198 | New |
| Dynamic Technology Lab Private Ltd | 10,525 | $57.0K | 0.01% | +10,525 | New |
| Lighthouse Investment Partners, LLC | 11,263 | $60.8K | 0.01% | +11,263 | New |
| Group One Trading, L.P. | 13,509 | $72.9K | 0.00% | +629+4.9% | Added |
| Walleye Capital LLC | 13,891 | $75.0K | 0.00% | +13,891 | New |
| Acadian Asset Management LLC | 15,741 | $85.0K | 0.00% | +15,741 | New |
| Goldman Sachs Group Inc | 16,991 | $91.8K | 0.00% | −5,626−24.9% | Reduced |
| Cubist Systematic Strategies, LLC | 17,992 | $97.2K | 0.00% | −4,950−21.6% | Reduced |
| Chicago Partners Investment Group LLC | 18,679 | $109.5K | 0.01% | +7,594+68.5% | Added |
| HRT Financial LP | 20,672 | $111.0K | 0.00% | +20,672 | New |
| Jump Financial, LLC | 21,239 | $114.7K | 0.01% | +21,239 | New |
| Man Group plc | 21,529 | $116.3K | 0.00% | +21,529 | New |
| Morgan Stanley | 25,684 | $138.7K | 0.00% | +6,770+35.8% | Added |
| Moore Capital Management, LP | 27,578 | $148.9K | 0.00% | −395,324−93.5% | Reduced |
| 683 Capital Management, LLC | 31,246 | $168.7K | 0.02% | +31,246 | New |
| Renaissance Technologies LLC | 32,300 | $174.0K | 0.00% | +32,300 | New |
| Northern Trust Corp | 34,384 | $185.7K | 0.00% | +8,642+33.6% | Added |
| Barclays PLC | 34,461 | $186.1K | 0.00% | +300+0.9% | Added |
| Bank of America Corp | 38,614 | $208.5K | 0.00% | +16,041+71.1% | Added |
| Citigroup Inc | 45,574 | $246.1K | 0.00% | +37,258+448.0% | Added |
| Qube Research & Technologies Ltd | 53,363 | $288.2K | 0.00% | +36,650+219.3% | Added |
| Cheyne Capital Management (UK) LLP | 55,829 | $301.5K | 0.53% | +55,829 | New |
| State Street Corp | 59,778 | $322.8K | 0.00% | +12,400+26.2% | Added |
| Bank of Montreal | 58,400 | $325.9K | 0.00% | +58,400 | New |
| Atom Investors LP | 62,441 | $337.2K | 0.17% | +62,441 | New |
| Boothbay Fund Management, LLC | 62,915 | $339.7K | 0.01% | +335+0.5% | Added |
| Bridgeway Capital Management, LLC | 83,600 | $451.4K | 0.01% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 87,876 | $474.5K | 0.00% | +87,876 | New |
| Susquehanna International Group, LLP | 89,561 | $483.6K | 0.00% | +62,561+231.7% | Added |
| WMS Partners, LLC | 98,301 | $530.8K | 0.05% | −81,767−45.4% | Reduced |
| Geode Capital Management, LLC | 166,820 | $900.0K | 0.00% | +9,175+5.8% | Added |
| Hudson Bay Capital Management LP | 240,000 | $1.30M | 0.02% | +240,000 | New |
| D. E. Shaw & Co., Inc. | 241,841 | $1.31M | 0.00% | +77,199+46.9% | Added |
| Ikarian Capital, LLC | 254,945 | $1.38M | 0.57% | −95,055−27.2% | Reduced |
| Silverarc Capital Management, LLC | 295,115 | $1.59M | 0.55% | −124,885−29.7% | Reduced |
| Guardian Point Capital, LP | 300,000 | $1.62M | 1.28% | −100,000−25.0% | Reduced |
| Perceptive Advisors LLC | 347,450 | $1.88M | 0.05% | −52,550−13.1% | Reduced |
| Woodline Partners LP | 426,172 | $2.30M | 0.03% | −5,986−1.4% | Reduced |
| Commodore Capital LP | 498,315 | $2.69M | 0.41% | −601,685−54.7% | Reduced |
| Pathstone Family Office, LLC | 530,330 | $2.86M | 0.06% | +277,060+109.4% | Added |
| Driehaus Capital Management LLC | 563,864 | $3.04M | 0.05% | −7,560−1.3% | Reduced |
| Millennium Management LLC | 665,716 | $3.60M | 0.00% | +195,224+41.5% | Added |
| Vanguard Group Inc | 715,837 | $3.87M | 0.00% | +64,791+10.0% | Added |
| Great Point Partners LLC | 1,116,581 | $6.03M | 1.25% | −83,419−7.0% | Reduced |
| BlackRock Inc. | 1,144,687 | $6.18M | 0.00% | +29,660+2.7% | Added |
| Laurion Capital Management LP | 1,206,548 | $6.52M | 0.18% | 00.0% | Unchanged |
| Knollwood Investment Advisory, LLC | 1,678,510 | $9.06M | 3.55% | +1,678,510 | New |
| Sands Capital Ventures, LLC | 3,417,075 | $18.5M | 5.05% | 00.0% | Unchanged |
| Deep Track Capital, LP | 3,952,000 | $21.3M | 0.93% | +173,182+4.6% | Added |
| Ra Capital Management, L.P. | 9,770,773 | $52.8M | 1.07% | 00.0% | Unchanged |
| EAM Investors, LLC | 0 | $0 | 0.00% | −208,571−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −152,429−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −133,161−100.0% | Sold out |
| Endurant Capital Management LP | 0 | $0 | 0.00% | −55,328−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −40,936−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −10,092−100.0% | Sold out |
| Fiduciary Group LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −2,687−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −2,100−100.0% | Sold out |