Acumen PharmaceuticalsABOS
13F holders, Q2 2024 (June 30)81holders +1
22new positions
22sold out
4famous investors
$2.42avg. 13F price*
At the end of Q2 2024, 81 institutions reported holding Acumen Pharmaceuticals Inc. (ABOS) in their 13F filings, up 1 from Q1 2024. 22 opened new positions and 22 sold out. The largest holders were Ra Capital Management, L.P. ($36.1M), Sands Capital Alternatives, LLC ($8.3M) and Franklin Resources Inc. ($8.1M). 4 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Acumen Pharmaceuticals Inc.
- CUSIP
- 00509G209
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 22 | $2.4M |
| Exits | 22 | $6.8M |
All 13F filers, Q1 2024 → Q2 2024: 4,878,657 shares bought and 4,686,105 shares sold, net +192,552 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 81 holders
| Ra Capital Management, L.P. | 0.48% | No change | 14,932,063 | $36.1M |
| Sands Capital Alternatives, LLC | 2.77% | No change | 3,417,075 | $8.3M |
| Franklin Resources Inc. | 0.00% | Reduce -0.8% | 3,367,618 | $8.1M |
| Rock Springs Capital Management LP | 0.17% | No change | 2,300,059 | $5.6M |
| BlackRock Inc. | 0.00% | Add +1038.0% | 2,158,661 | $5.2M |
| FMR LLC | 0.00% | Reduce -3.2% | 2,022,103 | $4.9M |
| Millennium Management | 0.00% | Reduce -25.7% | 1,954,085 | $4.7M |
| Vanguard Group Inc. | 0.00% | Add +13.9% | 1,896,949 | $4.6M |
| Knollwood Investment Advisory, LLC | 0.44% | No change | 1,628,510 | $3.9M |
| Laurion Capital Management LP | 0.09% | Reduce -37.8% | 1,178,338 | $2.9M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -4.7% | 1,046,364 | $2.5M |
| Alyeska Investment Group, L.P. | 0.01% | No change | 939,603 | $2.3M |
| Geode Capital Management, LLC | 0.00% | Add +184.8% | 812,133 | $2.0M |
| Hudson Bay Capital Management LP | 0.01% | Add +19.6% | 670,000 | $1.6M |
| Pathstone Holdings, LLC | 0.01% | Add +0.0% | 480,223 | $1.2M |
| State Street Corp. | 0.00% | Add +433.8% | 436,565 | $1.1M |
| Jane Street Group, LLC | 0.00% | Reduce -28.8% | 427,689 | $1.0M |
| Two Sigma Advisers, LP | 0.00% | Add +80.7% | 392,100 | $949K |
| Renaissance Technologies | 0.00% | New | 338,100 | $818K |
| Two Sigma Investments, LP | 0.00% | Add +74.7% | 310,797 | $752K |
| Ikarian Capital, LLC | 0.20% | No change | 266,435 | $645K |
| TD Asset Management Inc | 0.00% | No change | 148,800 | $360K |
| Bridgeway Capital Management, LLC | 0.01% | No change | 148,400 | $359K |
| Bank of New York Mellon Corp | 0.00% | New | 126,422 | $306K |
| Group One Trading LLC | 0.01% | Add +345.9% | 125,024 | $303K |
| Bank of America Corp. | 0.00% | Add +52.2% | 122,725 | $297K |
| Charles Schwab Investment Management Inc. | 0.00% | New | 108,743 | $263K |
| Man Group plc | 0.00% | Reduce -43.6% | 105,777 | $256K |
| Catalyst Financial Partners LLC | 0.05% | No change | 89,699 | $217K |
| Morgan Stanley | 0.00% | Add +80.3% | 87,809 | $212K |
| Boothbay Fund Management, LLC | 0.01% | Add +65.3% | 85,458 | $207K |
| Citadel Advisors | 0.00% | Add +255.5% | 83,012 | $201K |
| Qube Research & Technologies Ltd | 0.00% | Reduce -54.7% | 75,869 | $184K |
| Schonfeld Strategic Advisors LLC | 0.00% | Reduce -83.9% | 73,619 | $178K |
| Northern Trust Corp. | 0.00% | Add +23.4% | 70,088 | $170K |
| Susquehanna Fundamental Investments, LLC | 0.00% | No change | 62,518 | $151K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -0.1% | 59,996 | $145K |
| Nuveen Asset Management, LLC | 0.00% | New | 56,664 | $137K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -8.4% | 56,548 | $137K |
| Murchinson Ltd. | 0.03% | New | 56,250 | $136K |
| D. E. Shaw & Co. | 0.00% | New | 55,007 | $133K |
| Susquehanna International Group, LLP | 0.00% | Reduce -79.7% | 54,080 | $131K |
| Rhumbline Advisers | 0.00% | New | 52,323 | $127K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -83.9% | 51,052 | $124K |
| Jump Financial, LLC | 0.00% | Add +106.1% | 49,367 | $119K |
| Prelude Capital Management, LLC | 0.01% | Add +25.4% | 46,410 | $112K |
| American Century Companies Inc. | 0.00% | Add +31.3% | 45,444 | $110K |
| New York State Common Retirement Fund | 0.00% | New | 42,400 | $103K |
| Deutsche Bank AG | 0.00% | New | 33,649 | $81K |
| Bank of Montreal | 0.00% | Reduce -3.2% | 30,885 | $77K |
| Intrepid Financial Planning Group LLC | 0.03% | No change | 30,150 | $73K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +1778.6% | 26,488 | $64K |
| Marathon Trading Investment Management LLC | 0.02% | Reduce -56.2% | 26,298 | $64K |
| JPMorgan Chase & Co. | 0.00% | Reduce -75.1% | 17,877 | $60K |
| Virtu Financial LLC | 0.00% | New | 24,402 | $59K |
| Corebridge Financial, Inc. | 0.00% | — | 22,567 | $55K |
| Susquehanna Portfolio Strategies, LLC | 0.00% | No change | 21,903 | $53K |
| Barclays PLC | 0.00% | Reduce -54.7% | 21,446 | $52K |
| Wells Fargo & Company | 0.00% | Add +1591.3% | 20,431 | $49K |
| Invesco Ltd. | 0.00% | New | 18,986 | $46K |
| Walleye Capital LLC | 0.00% | New | 18,801 | $45K |
| Pinnacle Wealth Management Advisory Group, LLC | 0.00% | No change | 18,020 | $44K |
| Pinnacle Associates Ltd. | 0.00% | No change | 18,020 | $44K |
| Oxford Asset Management LLP | 0.04% | New | 15,304 | $37K |
| Stifel Financial Corp. | 0.00% | Reduce -6.8% | 13,650 | $33K |
| UBS Group AG | 0.00% | Add +92.5% | 12,786 | $31K |
| Engineers Gate Manager LP | 0.00% | New | 11,479 | $28K |
| Gladius Capital Management LP | 0.03% | New | 10,939 | $26K |
| Osaic Holdings, Inc. | 0.00% | No change | 10,400 | $25K |
| Citigroup Inc. | 0.00% | Reduce -93.0% | 9,415 | $23K |
| Cubist Systematic Strategies, LLC | 0.00% | Add +270.6% | 8,880 | $21K |
| Royal Bank of Canada | 0.00% | Add +3865.7% | 4,045 | $10K |
| Ameritas Investment Partners, Inc. | 0.00% | New | 4,110 | $10K |
| Point72 (DIFC) Ltd | 0.00% | New | 4,018 | $10K |
| Legal & General Group Plc | 0.00% | New | 3,635 | $9K |
| California State Teachers Retirement System | 0.00% | New | 3,039 | $7K |
| Amalgamated Bank | 0.00% | New | 1,451 | $4K |
| Sandy Spring Bank | 0.00% | No change | 1,500 | $4K |
| Kelly Financial Services LLC | 0.00% | No change | 944 | $2K |
| Redwood Wealth Management Group, LLC | 0.00% | New | 800 | $2K |
| Planning Capital Management Corp | 0.00% | New | 5 | $13 |
"% of holder's portfolio" is ABOS's weight in each manager's 13F, not the share of Acumen Pharmaceuticals Inc. the manager owns.