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, Q2 2024
Institutional positions in Acumen Pharmaceuticals, Inc. as of Jun 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
- 81
- +1 vs. Q1 2024
- Shares held
- 43.6M
- +215.1K (+0.5%) vs. Q1 2024
- Total value
- $105.5M
- −$70.1M (−39.9%) vs. Q1 2024
- New holders
- 23
- 22 more added
- Sold out
- 22
- 19 more reduced
Compare with Q1 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, Q2 2024
Shares, value and share of portfolio for each institution holding Acumen Pharmaceuticals, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Planning Capital Management Corp | 5 | $13 | 0.00% | +5 | New |
| Redwood Wealth Management Group, LLC | 800 | $1.94K | 0.00% | +800 | New |
| Kelly Financial Services LLC | 944 | $2.29K | 0.00% | 00.0% | Unchanged |
| Sandy Spring Bank | 1,500 | $3.63K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 1,451 | $4.00K | 0.00% | +1,451 | New |
| California State Teachers Retirement System | 3,039 | $7.35K | 0.00% | +3,039 | New |
| Legal & General Group Plc | 3,635 | $8.80K | 0.00% | +3,635 | New |
| Point72 (DIFC) Ltd | 4,018 | $9.72K | 0.00% | +4,018 | New |
| Ameritas Investment Partners, Inc. | 4,110 | $9.95K | 0.00% | +4,110 | New |
| Royal Bank of Canada | 4,045 | $10.0K | 0.00% | +3,943+3,865.7% | Added |
| Cubist Systematic Strategies, LLC | 8,880 | $21.5K | 0.00% | +6,484+270.6% | Added |
| Citigroup Inc | 9,415 | $22.8K | 0.00% | −125,979−93.0% | Reduced |
| Advisor Group Holdings, Inc. | 10,400 | $25.2K | 0.00% | 00.0% | Unchanged |
| Gladius Capital Management LP | 10,939 | $26.5K | 0.03% | +10,939 | New |
| Engineers Gate Manager LP | 11,479 | $27.8K | 0.00% | +11,479 | New |
| UBS Group AG | 12,786 | $30.9K | 0.00% | +6,143+92.5% | Added |
| Stifel Financial Corp | 13,650 | $33.0K | 0.00% | −1,000−6.8% | Reduced |
| Oxford Asset Management LLP | 15,304 | $37.0K | 0.04% | +15,304 | New |
| Pinnacle Associates Ltd | 18,020 | $43.6K | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Management Advisory Group, LLC | 18,020 | $43.6K | 0.00% | 00.0% | Unchanged |
| Walleye Capital LLC | 18,801 | $45.5K | 0.00% | +18,801 | New |
| Invesco Ltd. | 18,986 | $45.9K | 0.00% | +18,986 | New |
| Wells Fargo & Company | 20,431 | $49.4K | 0.00% | +19,223+1,591.3% | Added |
| Barclays PLC | 21,446 | $51.9K | 0.00% | −25,864−54.7% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 21,903 | $53.0K | 0.00% | 00.0% | Unchanged |
| Corebridge Financial, Inc. | 22,567 | $54.8K | 0.00% | +22,567 | New |
| Virtu Financial LLC | 24,402 | $59.0K | 0.00% | +24,402 | New |
| JPMorgan Chase & Co | 17,877 | $60.1K | 0.00% | −54,013−75.1% | Reduced |
| Marathon Trading Investment Management LLC | 26,298 | $63.6K | 0.02% | −33,702−56.2% | Reduced |
| Tower Research Capital LLC (TRC) | 26,488 | $64.1K | 0.00% | +25,078+1,778.6% | Added |
| Intrepid Financial Planning Group LLC | 30,150 | $73.0K | 0.03% | 00.0% | Unchanged |
| Bank of Montreal | 30,885 | $76.6K | 0.00% | −1,015−3.2% | Reduced |
| Deutsche Bank AG | 33,649 | $81.4K | 0.00% | +33,649 | New |
| New York State Common Retirement Fund | 42,400 | $102.6K | 0.00% | +42,400 | New |
| American Century Companies Inc | 45,444 | $110.0K | 0.00% | +10,840+31.3% | Added |
| Prelude Capital Management, LLC | 46,410 | $112.3K | 0.01% | +9,410+25.4% | Added |
| Jump Financial, LLC | 49,367 | $119.5K | 0.00% | +25,416+106.1% | Added |
| Goldman Sachs Group Inc | 51,052 | $123.5K | 0.00% | −266,852−83.9% | Reduced |
| Rhumbline Advisers | 52,323 | $126.6K | 0.00% | +52,323 | New |
| Susquehanna International Group, LLP | 54,080 | $130.9K | 0.00% | −211,763−79.7% | Reduced |
| D. E. Shaw & Co., Inc. | 55,007 | $133.1K | 0.00% | +55,007 | New |
| Murchinson Ltd. | 56,250 | $136.1K | 0.03% | +56,250 | New |
| Dimensional Fund Advisors LP | 56,548 | $136.8K | 0.00% | −5,180−8.4% | Reduced |
| Nuveen Asset Management, LLC | 56,664 | $137.1K | 0.00% | +56,664 | New |
| Manufacturers Life Insurance Company, The | 59,996 | $145.2K | 0.00% | −45−0.1% | Reduced |
| Susquehanna Fundamental Investments, LLC | 62,518 | $151.3K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 70,088 | $169.6K | 0.00% | +13,315+23.5% | Added |
| Schonfeld Strategic Advisors LLC | 73,619 | $178.2K | 0.00% | −384,865−83.9% | Reduced |
| Qube Research & Technologies Ltd | 75,869 | $183.6K | 0.00% | −91,719−54.7% | Reduced |
| Citadel Advisors LLC | 83,012 | $200.9K | 0.00% | +59,661+255.5% | Added |
| Boothbay Fund Management, LLC | 85,458 | $206.8K | 0.01% | +33,750+65.3% | Added |
| Morgan Stanley | 87,809 | $212.5K | 0.00% | +39,097+80.3% | Added |
| Catalyst Financial Partners LLC | 89,699 | $217.1K | 0.05% | 00.0% | Unchanged |
| Man Group plc | 105,777 | $256.0K | 0.00% | −81,808−43.6% | Reduced |
| Charles Schwab Investment Management Inc | 108,743 | $263.2K | 0.00% | +108,743 | New |
| Bank of America Corp | 122,725 | $297.0K | 0.00% | +42,109+52.2% | Added |
| Group One Trading, L.P. | 125,024 | $302.6K | 0.01% | +96,987+345.9% | Added |
| Bank of New York Mellon Corp | 126,422 | $305.9K | 0.00% | +126,422 | New |
| Bridgeway Capital Management, LLC | 148,400 | $359.1K | 0.01% | 00.0% | Unchanged |
| TD Asset Management Inc | 148,800 | $360.1K | 0.00% | 00.0% | Unchanged |
| Ikarian Capital, LLC | 266,435 | $644.8K | 0.20% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 310,797 | $752.1K | 0.00% | +132,896+74.7% | Added |
| Renaissance Technologies LLC | 338,100 | $818.2K | 0.00% | +338,100 | New |
| Two Sigma Advisers, LP | 392,100 | $948.9K | 0.00% | +175,100+80.7% | Added |
| Jane Street Group, LLC | 427,689 | $1.04M | 0.00% | −172,566−28.7% | Reduced |
| State Street Corp | 436,565 | $1.06M | 0.00% | +354,787+433.8% | Added |
| Pathstone Holdings, LLC | 480,223 | $1.16M | 0.01% | +420.0% | Added |
| Hudson Bay Capital Management LP | 670,000 | $1.62M | 0.01% | +110,000+19.6% | Added |
| Geode Capital Management, LLC | 812,133 | $1.97M | 0.00% | +526,994+184.8% | Added |
| Alyeska Investment Group, L.P. | 939,603 | $2.27M | 0.01% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 1,046,364 | $2.53M | 0.00% | −51,912−4.7% | Reduced |
| Laurion Capital Management LP | 1,178,338 | $2.85M | 0.09% | −716,685−37.8% | Reduced |
| Knollwood Investment Advisory, LLC | 1,628,510 | $3.94M | 0.44% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,896,949 | $4.59M | 0.00% | +231,891+13.9% | Added |
| Millennium Management LLC | 1,954,085 | $4.73M | 0.00% | −675,456−25.7% | Reduced |
| FMR LLC | 2,022,103 | $4.89M | 0.00% | −66,897−3.2% | Reduced |
| BlackRock Inc. | 2,158,661 | $5.22M | 0.00% | +1,968,964+1,038.0% | Added |
| Rock Springs Capital Management LP | 2,300,059 | $5.57M | 0.17% | 00.0% | Unchanged |
| Franklin Resources Inc | 3,367,618 | $8.15M | 0.00% | −27,800−0.8% | Reduced |
| Sands Capital Ventures, LLC | 3,417,075 | $8.27M | 2.77% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 14,932,063 | $36.1M | 0.48% | 00.0% | Unchanged |
| Parkman Healthcare Partners LLC | 0 | $0 | 0.00% | −576,657−100.0% | Sold out |
| Tang Capital Management LLC | 0 | $0 | 0.00% | −246,895−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −113,232−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −112,258−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −105,117−100.0% | Sold out |
| New York Life Investment Management LLC | 0 | $0 | 0.00% | −95,089−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −89,707−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −63,949−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −56,369−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −37,191−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −27,556−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −25,620−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −25,370−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −23,800−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −19,000−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −12,856−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −12,410−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −11,503−100.0% | Sold out |
| CTC Alternative Strategies, Ltd. | 0 | $0 | 0.00% | −11,100−100.0% | Sold out |