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, Q1 2023
Institutional positions in Acumen Pharmaceuticals, Inc. as of Mar 31, 2023. 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
- 62
- +2 vs. Q4 2022
- Shares held
- 27.8M
- −971.8K (−3.4%) vs. Q4 2022
- Total value
- $112.8M
- −$42.4M (−27.3%) vs. Q4 2022
- New holders
- 10
- 17 more added
- Sold out
- 8
- 22 more reduced
Compare with Q4 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, Q1 2023
Shares, value and share of portfolio for each institution holding Acumen Pharmaceuticals, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Daiwa Securities Group Inc. | 165 | $1.00K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 384 | $2.00K | 0.00% | +379+7,580.0% | Added |
| China Universal Asset Management Co., Ltd. | 555 | $2.25K | 0.00% | +139+33.4% | Added |
| FMR LLC | 679 | $2.76K | 0.00% | −220−24.5% | Reduced |
| Kelly Financial Services LLC | 944 | $3.83K | 0.00% | +944 | New |
| Cutler Group LP | 1,420 | $5.00K | 0.00% | −1,679−54.2% | Reduced |
| JPMorgan Chase & Co | 1,237 | $5.00K | 0.00% | +108+9.6% | Added |
| Tower Research Capital LLC (TRC) | 3,022 | $12.0K | 0.00% | −250−7.6% | Reduced |
| Wells Fargo & Company | 3,096 | $12.6K | 0.00% | +1,303+72.7% | Added |
| UBS Group AG | 3,137 | $12.7K | 0.00% | +3,137 | New |
| Point72 Middle East FZE | 3,415 | $13.9K | 0.00% | +3,415 | New |
| Point72 Asset Management, L.P. | 3,954 | $16.1K | 0.00% | +3,954 | New |
| Group One Trading, L.P. | 4,300 | $17.5K | 0.00% | −9,209−68.2% | Reduced |
| Jump Financial, LLC | 10,183 | $41.3K | 0.00% | −11,056−52.1% | Reduced |
| Chicago Partners Investment Group LLC | 12,332 | $46.6K | 0.00% | −6,347−34.0% | Reduced |
| Citadel Advisors LLC | 14,081 | $57.2K | 0.00% | +14,081 | New |
| Cubist Systematic Strategies, LLC | 14,899 | $60.5K | 0.00% | −3,093−17.2% | Reduced |
| LMR Partners LLP | 16,892 | $68.6K | 0.00% | +16,892 | New |
| Squarepoint Ops LLC | 19,343 | $78.5K | 0.00% | +19,343 | New |
| Man Group plc | – | $104.5K | 0.00% | – | – |
| Barclays PLC | 25,952 | $105.4K | 0.00% | −8,509−24.7% | Reduced |
| Bank of America Corp | 27,845 | $113.1K | 0.00% | −10,769−27.9% | Reduced |
| Intrepid Financial Planning Group LLC | 30,150 | $122.4K | 0.06% | +20,150+201.5% | Added |
| 683 Capital Management, LLC | 31,246 | $126.9K | 0.01% | 00.0% | Unchanged |
| Northern Trust Corp | 32,158 | $130.6K | 0.00% | −2,226−6.5% | Reduced |
| Renaissance Technologies LLC | 37,445 | $152.0K | 0.00% | +5,145+15.9% | Added |
| Citigroup Inc | 41,377 | $168.0K | 0.00% | −4,197−9.2% | Reduced |
| Goldman Sachs Group Inc | 42,302 | $171.7K | 0.00% | +25,311+149.0% | Added |
| HRT Financial LP | 43,115 | $175.0K | 0.00% | +22,443+108.6% | Added |
| Qube Research & Technologies Ltd | 44,385 | $180.2K | 0.00% | −8,978−16.8% | Reduced |
| Morgan Stanley | 51,508 | $209.1K | 0.00% | +25,824+100.5% | Added |
| Two Sigma Investments, LP | 54,082 | $219.6K | 0.00% | −33,794−38.5% | Reduced |
| State Street Corp | 59,778 | $242.7K | 0.00% | 00.0% | Unchanged |
| UBS Oconnor LLC | 61,358 | $249.1K | 0.01% | +61,358 | New |
| Atom Investors LP | 62,952 | $255.6K | 0.14% | +511+0.8% | Added |
| Boothbay Fund Management, LLC | 64,526 | $262.0K | 0.01% | +1,611+2.6% | Added |
| Dimensional Fund Advisors LP | 66,779 | $271.1K | 0.00% | +66,779 | New |
| Jane Street Group, LLC | 74,541 | $302.6K | 0.00% | +64,343+630.9% | Added |
| WMS Partners, LLC | 98,301 | $399.1K | 0.03% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 117,833 | $478.4K | 0.01% | +34,233+40.9% | Added |
| Susquehanna International Group, LLP | 129,794 | $527.0K | 0.00% | +40,233+44.9% | Added |
| Guardian Point Capital, LP | 130,000 | $527.8K | 0.44% | −170,000−56.7% | Reduced |
| J. Goldman & Co LP | 135,000 | $548.1K | 0.03% | +135,000 | New |
| Silverarc Capital Management, LLC | 146,922 | $596.5K | 0.27% | −148,193−50.2% | Reduced |
| D. E. Shaw & Co., Inc. | 160,208 | $650.4K | 0.00% | −81,633−33.8% | Reduced |
| Geode Capital Management, LLC | 166,820 | $677.3K | 0.00% | 00.0% | Unchanged |
| Walleye Capital LLC | 196,539 | $797.9K | 0.02% | +182,648+1,314.9% | Added |
| Ikarian Capital, LLC | 254,945 | $1.04M | 0.43% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 357,000 | $1.45M | 0.02% | +117,000+48.8% | Added |
| Pathstone Family Office, LLC | 392,060 | $1.59M | 0.03% | −138,270−26.1% | Reduced |
| Commodore Capital LP | 400,000 | $1.62M | 0.25% | −98,315−19.7% | Reduced |
| Woodline Partners LP | 426,172 | $1.73M | 0.02% | 00.0% | Unchanged |
| Driehaus Capital Management LLC | 550,349 | $2.23M | 0.03% | −13,515−2.4% | Reduced |
| Millennium Management LLC | 645,883 | $2.62M | 0.00% | −19,833−3.0% | Reduced |
| BlackRock Inc. | 671,631 | $2.73M | 0.00% | −473,056−41.3% | Reduced |
| Vanguard Group Inc | 734,737 | $2.98M | 0.00% | +18,900+2.6% | Added |
| Great Point Partners LLC | 1,051,267 | $4.27M | 0.84% | −65,314−5.8% | Reduced |
| Laurion Capital Management LP | 1,206,548 | $4.90M | 0.22% | 00.0% | Unchanged |
| Knollwood Investment Advisory, LLC | 1,678,510 | $6.81M | 2.34% | 00.0% | Unchanged |
| Sands Capital Ventures, LLC | 3,417,075 | $13.9M | 3.43% | 00.0% | Unchanged |
| Deep Track Capital, LP | 3,952,000 | $16.0M | 0.68% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 9,770,773 | $39.7M | 0.90% | 00.0% | Unchanged |
| Perceptive Advisors LLC | 0 | $0 | 0.00% | −347,450−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −58,400−100.0% | Sold out |
| Cheyne Capital Management (UK) LLP | 0 | $0 | 0.00% | −55,829−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −27,578−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −15,741−100.0% | Sold out |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −11,263−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −10,525−100.0% | Sold out |
| Ellevest, Inc. | 0 | $0 | 0.00% | −257−100.0% | Sold out |