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, Q3 2024
Institutional positions in Acumen Pharmaceuticals, Inc. as of Sep 30, 2024. 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
- 73
- −6 vs. Q2 2024
- Shares held
- 43.6M
- +2.25M (+5.4%) vs. Q2 2024
- Total value
- $107.7M
- +$7.57M (+7.6%) vs. Q2 2024
- New holders
- 11
- 24 more added
- Sold out
- 17
- 21 more reduced
2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2024: 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, Q3 2024
Shares, value and share of portfolio for each institution holding Acumen Pharmaceuticals, Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CWM, LLC | 168 | $0 | 0.00% | +168 | New |
| Planning Capital Management Corp | 5 | $13 | 0.00% | 00.0% | Unchanged |
| Capital Performance Advisors LLP | 52 | $129 | 0.00% | +52 | New |
| Nisa Investment Advisors, LLC | 100 | $248 | 0.00% | +100 | New |
| Sterling Capital Management LLC | 133 | $330 | 0.00% | +133 | New |
| Federation des caisses Desjardins du Quebec | 1,500 | $3.72K | 0.00% | +1,500 | New |
| Amalgamated Bank | 1,451 | $4.00K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 3,039 | $7.54K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 3,635 | $9.02K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 3,910 | $9.70K | 0.00% | −22,578−85.2% | Reduced |
| Ameritas Investment Partners, Inc. | 4,110 | $10.2K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 5,941 | $15.0K | 0.00% | +1,896+46.9% | Added |
| New York State Common Retirement Fund | 9,800 | $24.3K | 0.00% | −32,600−76.9% | Reduced |
| Advisor Group Holdings, Inc. | 10,400 | $25.8K | 0.00% | 00.0% | Unchanged |
| Fortitude Advisory Group L.L.C. | 13,300 | $33.0K | 0.02% | +13,300 | New |
| Citadel Advisors LLC | 16,912 | $41.9K | 0.00% | −66,100−79.6% | Reduced |
| Deutsche Bank AG | 17,055 | $42.3K | 0.00% | −16,594−49.3% | Reduced |
| SG Americas Securities, LLC | 17,772 | $44.0K | 0.00% | +17,772 | New |
| Pinnacle Wealth Management Advisory Group, LLC | 18,020 | $44.7K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 18,189 | $45.1K | 0.00% | −797−4.2% | Reduced |
| Acadian Asset Management LLC | 18,643 | $46.0K | 0.00% | +18,643 | New |
| Jump Financial, LLC | 21,200 | $52.6K | 0.00% | −28,167−57.1% | Reduced |
| Wells Fargo & Company | 21,258 | $52.7K | 0.00% | +827+4.0% | Added |
| SEI Investments Co | 21,782 | $54.0K | 0.00% | +21,782 | New |
| Susquehanna Portfolio Strategies, LLC | 21,903 | $54.3K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 22,255 | $55.0K | 0.00% | −2,147−8.8% | Reduced |
| Corebridge Financial, Inc. | 22,429 | $55.6K | 0.00% | −138−0.6% | Reduced |
| UBS Group AG | 22,751 | $56.4K | 0.00% | +9,965+77.9% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 23,015 | $57.1K | 0.00% | +23,015 | New |
| Intrepid Financial Planning Group LLC | 30,150 | $74.8K | 0.03% | 00.0% | Unchanged |
| Citigroup Inc | 30,592 | $75.9K | 0.00% | +21,177+224.9% | Added |
| Boothbay Fund Management, LLC | 51,708 | $128.2K | 0.00% | −33,750−39.5% | Reduced |
| Manufacturers Life Insurance Company, The | 52,333 | $129.8K | 0.00% | −7,663−12.8% | Reduced |
| Prelude Capital Management, LLC | 52,417 | $130.0K | 0.01% | +6,007+12.9% | Added |
| Susquehanna International Group, LLP | 54,019 | $134.0K | 0.00% | −61−0.1% | Reduced |
| American Century Companies Inc | 54,543 | $135.3K | 0.00% | +9,099+20.0% | Added |
| Dimensional Fund Advisors LP | 56,556 | $140.3K | 0.00% | +80.0% | Added |
| Barclays PLC | 61,997 | $153.8K | 0.00% | +40,551+189.1% | Added |
| JPMorgan Chase & Co | 63,066 | $156.4K | 0.00% | +45,189+252.8% | Added |
| Nuveen Asset Management, LLC | 78,446 | $194.5K | 0.00% | +21,782+38.4% | Added |
| Qube Research & Technologies Ltd | 82,702 | $205.1K | 0.00% | +6,833+9.0% | Added |
| Rhumbline Advisers | 88,484 | $219.4K | 0.00% | +36,161+69.1% | Added |
| Catalyst Financial Partners LLC | 89,699 | $222.5K | 0.04% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 92,983 | $230.6K | 0.00% | −33,439−26.5% | Reduced |
| Charles Schwab Investment Management Inc | 108,743 | $269.7K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 122,589 | $304.0K | 0.01% | −2,435−1.9% | Reduced |
| Bridgeway Capital Management, LLC | 137,400 | $340.8K | 0.01% | −11,000−7.4% | Reduced |
| Bank of America Corp | 138,724 | $344.0K | 0.00% | +15,999+13.0% | Added |
| TD Asset Management Inc | 139,206 | $345.2K | 0.00% | −9,594−6.4% | Reduced |
| Goldman Sachs Group Inc | 145,861 | $361.7K | 0.00% | +94,809+185.7% | Added |
| Morgan Stanley | 239,200 | $593.2K | 0.00% | +151,391+172.4% | Added |
| Ikarian Capital, LLC | 266,435 | $660.8K | 0.21% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 306,100 | $759.1K | 0.00% | −32,000−9.5% | Reduced |
| Northern Trust Corp | 308,850 | $765.9K | 0.00% | +238,762+340.7% | Added |
| Two Sigma Investments, LP | 309,507 | $767.6K | 0.00% | −1,290−0.4% | Reduced |
| Two Sigma Advisers, LP | 469,100 | $1.16M | 0.00% | +77,000+19.6% | Added |
| Jane Street Group, LLC | 487,596 | $1.21M | 0.00% | +59,907+14.0% | Added |
| State Street Corp | 516,406 | $1.28M | 0.00% | +79,841+18.3% | Added |
| Pathstone Holdings, LLC | 517,283 | $1.28M | 0.01% | +37,060+7.7% | Added |
| Hudson Bay Capital Management LP | 636,000 | $1.58M | 0.01% | −34,000−5.1% | Reduced |
| Price T Rowe Associates Inc | 849,619 | $2.11M | 0.00% | −196,745−18.8% | Reduced |
| Geode Capital Management, LLC | 864,528 | $2.14M | 0.00% | +52,395+6.5% | Added |
| Laurion Capital Management LP | 867,046 | $2.15M | 0.14% | −311,292−26.4% | Reduced |
| Alyeska Investment Group, L.P. | 939,603 | $2.33M | 0.01% | 00.0% | Unchanged |
| Knollwood Investment Advisory, LLC | 1,628,510 | $4.04M | 0.43% | 00.0% | Unchanged |
| Millennium Management LLC | 1,834,753 | $4.55M | 0.00% | −119,332−6.1% | Reduced |
| Vanguard Group Inc | 1,934,039 | $4.80M | 0.00% | +37,090+2.0% | Added |
| FMR LLC | 2,028,117 | $5.03M | 0.00% | +6,014+0.3% | Added |
| Rock Springs Capital Management LP | 2,300,059 | $5.70M | 0.19% | 00.0% | Unchanged |
| BlackRock, Inc. | 2,331,530 | $5.78M | 0.00% | +2,331,530 | New |
| Franklin Resources Inc | 3,549,069 | $8.34M | 0.00% | +181,451+5.4% | Added |
| Sands Capital Ventures, LLC | 3,417,075 | $8.47M | 2.38% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 14,932,063 | $37.0M | 0.43% | 00.0% | Unchanged |
| Man Group plc | 0 | $0 | 0.00% | −105,777−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −73,619−100.0% | Sold out |
| Murchinson Ltd. | 0 | $0 | 0.00% | −56,250−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −55,007−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −30,885−100.0% | Sold out |
| Marathon Trading Investment Management LLC | 0 | $0 | 0.00% | −26,298−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −18,801−100.0% | Sold out |
| Pinnacle Associates Ltd | 0 | $0 | 0.00% | −18,020−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −15,304−100.0% | Sold out |
| Stifel Financial Corp | 0 | $0 | 0.00% | −13,650−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −11,479−100.0% | Sold out |
| Gladius Capital Management LP | 0 | $0 | 0.00% | −10,939−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −8,880−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −4,018−100.0% | Sold out |
| Sandy Spring Bank | 0 | $0 | 0.00% | −1,500−100.0% | Sold out |
| Kelly Financial Services LLC | 0 | $0 | 0.00% | −944−100.0% | Sold out |
| Redwood Wealth Management Group, LLC | 0 | $0 | 0.00% | −800−100.0% | Sold out |
| BlackRock Inc. | – | – | – | – | Not filed |
| Susquehanna Fundamental Investments, LLC | – | – | – | – | Not filed |