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 2022
Institutional positions in Acumen Pharmaceuticals, Inc. as of Mar 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
- 57
- +5 vs. Q4 2021
- Shares held
- 27.1M
- +1.52M (+6.0%) vs. Q4 2021
- Total value
- $106.1M
- −$66.9M (−38.7%) vs. Q4 2021
- New holders
- 17
- 25 more added
- Sold out
- 12
- 7 more reduced
Compare with Q4 2021: 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 | $107.8M |
| Q2 2024 | 81 | $105.5M |
| Q1 2024 | 80 | $176.3M |
| Q4 2023 | 67 | $147.8M |
| Q3 2023 | 66 | $181.4M |
| Q2 2023 | 53 | $126.6M |
| Q1 2023 | 62 | $114.0M |
| Q4 2022 | 60 | $158.0M |
| Q3 2022 | 50 | $278.4M |
| 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 2022
Shares, value and share of portfolio for each institution holding Acumen Pharmaceuticals, Inc.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 9,770,773 | $38.2M | 0.83% | 00.0% | Unchanged |
| BlackRock Inc. | 3,831,321 | $15.0M | 0.00% | +721,651+23.2% | Added |
| Sands Capital Ventures, LLC | 3,417,075 | $13.4M | 2.79% | 00.0% | Unchanged |
| Deep Track Capital, LP | 2,599,098 | $10.2M | 0.66% | +666,058+34.5% | Added |
| Vanguard Group Inc | 1,234,771 | $4.83M | 0.00% | +679,798+122.5% | Added |
| Great Point Partners LLC | 928,282 | $3.63M | 0.88% | +928,282 | New |
| Laurion Capital Management LP | 656,848 | $2.57M | 0.06% | 00.0% | Unchanged |
| Perceptive Advisors LLC | 596,942 | $2.33M | 0.05% | +596,942 | New |
| Woodline Partners LP | 501,236 | $1.96M | 0.03% | +20,555+4.3% | Added |
| Guardian Point Capital, LP | 500,000 | $1.96M | 0.71% | 00.0% | Unchanged |
| Moore Capital Management, LP | 358,482 | $1.40M | 0.05% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 342,646 | $1.34M | 0.00% | +170,767+99.4% | Added |
| Goldman Sachs Group Inc | 334,195 | $1.31M | 0.00% | +10,931+3.4% | Added |
| BVF Inc | 289,663 | $1.13M | 0.05% | 00.0% | Unchanged |
| Northern Trust Corp | 216,168 | $845.0K | 0.00% | +121,184+127.6% | Added |
| State Street Corp | 184,858 | $723.0K | 0.00% | +73,495+66.0% | Added |
| WMS Partners, LLC | 181,068 | $708.0K | 0.10% | +181,068 | New |
| Citadel Advisors LLC | 153,247 | $599.0K | 0.00% | +78,724+105.6% | Added |
| Pura Vida Investments, LLC | 145,195 | $568.0K | 0.07% | +19,135+15.2% | Added |
| Bridgeway Capital Management, LLC | 130,400 | $510.0K | 0.01% | +130,400 | New |
| Schonfeld Strategic Advisors LLC | 86,543 | $338.0K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 68,971 | $270.0K | 0.00% | +49,791+259.6% | Added |
| Charles Schwab Investment Management Inc | 63,251 | $248.0K | 0.00% | +39,214+163.1% | Added |
| Nuveen Asset Management, LLC | 39,241 | $235.0K | 0.00% | +26,319+203.7% | Added |
| Los Angeles Capital Management LLC | 56,592 | $221.0K | 0.00% | +56,592 | New |
| Point72 Asset Management, L.P. | 55,054 | $215.0K | 0.00% | +55,054 | New |
| D. E. Shaw & Co., Inc. | 48,176 | $188.0K | 0.00% | +21,009+77.3% | Added |
| STRS Ohio | 41,300 | $161.0K | 0.00% | +8,000+24.0% | Added |
| Marshall Wace, LLP | 32,825 | $129.0K | 0.00% | −123,425−79.0% | Reduced |
| Bank of America Corp | 26,055 | $102.0K | 0.00% | +4,960+23.5% | Added |
| New York State Common Retirement Fund | 23,981 | $94.0K | 0.00% | +18,500+337.5% | Added |
| Rhumbline Advisers | 20,273 | $79.0K | 0.00% | +20,273 | New |
| JPMorgan Chase & Co | 18,049 | $71.0K | 0.00% | +10,809+149.3% | Added |
| Parametric Portfolio Associates LLC | 15,736 | $62.0K | 0.00% | +15,736 | New |
| Deutsche Bank AG | 15,501 | $61.0K | 0.00% | +9,677+166.2% | Added |
| Prelude Capital Management, LLC | 15,600 | $61.0K | 0.00% | +15,600 | New |
| American International Group, Inc. | 14,047 | $55.0K | 0.00% | +8,712+163.3% | Added |
| Morgan Stanley | 13,687 | $53.0K | 0.00% | −6,946−33.7% | Reduced |
| California State Teachers Retirement System | 12,162 | $48.0K | 0.00% | +6,503+114.9% | Added |
| Manufacturers Life Insurance Company, The | 12,200 | $47.7K | 0.00% | +12,200 | New |
| Barclays PLC | 11,817 | $46.0K | 0.00% | +11,817 | New |
| Fiduciary Group LLC | 10,000 | $31.0K | 0.00% | +10,000 | New |
| Cubist Systematic Strategies, LLC | 5,387 | $21.0K | 0.00% | −6,158−53.3% | Reduced |
| UBS Group AG | 5,245 | $21.0K | 0.00% | +4,388+512.0% | Added |
| Amalgamated Bank | 3,896 | $15.0K | 0.00% | +3,896 | New |
| Amalgamated Financial Corp. | 3,896 | $15.0K | 0.00% | +3,896 | New |
| Citigroup Inc | 3,693 | $14.0K | 0.00% | −198−5.1% | Reduced |
| Wells Fargo & Company | 2,773 | $11.0K | 0.00% | +698+33.6% | Added |
| Legal & General Group Plc | 2,762 | $11.0K | 0.00% | +1,874+211.0% | Added |
| Tower Research Capital LLC (TRC) | 2,555 | $10.0K | 0.00% | −3,968−60.8% | Reduced |
| Ameritas Investment Partners, Inc. | 2,205 | $9.00K | 0.00% | +1,470+200.0% | Added |
| FMR LLC | 1,838 | $7.00K | 0.00% | −11,462−86.2% | Reduced |
| Royal Bank of Canada | 1,739 | $7.00K | 0.00% | −631−26.6% | Reduced |
| Captrust Financial Advisors | 1,576 | $6.00K | 0.00% | +1,576 | New |
| Point72 Hong Kong Ltd | 881 | $3.00K | 0.00% | +881 | New |
| FinTrust Capital Advisors, LLC | 20 | $0 | 0.00% | 00.0% | Unchanged |
| Ellevest, Inc. | 42 | $0 | 0.00% | +42 | New |
| Rock Springs Capital Management LP | 0 | $0 | 0.00% | −1,571,918−100.0% | Sold out |
| Janus Henderson Group PLC | 0 | $0 | 0.00% | −627,263−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −602,266−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −81,917−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −77,152−100.0% | Sold out |
| Rex Capital Advisors, LLC | 0 | $0 | 0.00% | −65,336−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −37,163−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −21,609−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −20,097−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −18,818−100.0% | Sold out |
| Chicago Partners Investment Group LLC | 0 | $0 | 0.00% | −17,960−100.0% | Sold out |
| Bedel Financial Consulting, Inc. | 0 | $0 | 0.00% | −240−100.0% | Sold out |