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 2022
Institutional positions in Acumen Pharmaceuticals, Inc. as of Sep 30, 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
- 50
- +3 vs. Q2 2022
- Shares held
- 27.8M
- +2.13M (+8.3%) vs. Q2 2022
- Total value
- $278.4M
- +$157.9M (+131.1%) vs. Q2 2022
- New holders
- 15
- 17 more added
- Sold out
- 12
- 11 more reduced
Compare with Q2 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 | $107.8M |
| 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, Q3 2022
Shares, value and share of portfolio for each institution holding Acumen Pharmaceuticals, Inc.; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 9,770,773 | $98.0M | 2.09% | 00.0% | Unchanged |
| Deep Track Capital, LP | 3,778,818 | $37.9M | 1.87% | +678,818+21.9% | Added |
| Sands Capital Ventures, LLC | 3,417,075 | $34.3M | 9.96% | 00.0% | Unchanged |
| Laurion Capital Management LP | 1,206,548 | $12.1M | 0.34% | 00.0% | Unchanged |
| Great Point Partners LLC | 1,200,000 | $12.0M | 2.90% | −315,000−20.8% | Reduced |
| BlackRock Inc. | 1,115,027 | $11.2M | 0.00% | −1,578,284−58.6% | Reduced |
| Commodore Capital LP | 1,100,000 | $11.0M | 1.77% | +1,100,000 | New |
| Vanguard Group Inc | 651,046 | $6.53M | 0.00% | +15,267+2.4% | Added |
| Driehaus Capital Management LLC | 571,424 | $5.73M | 0.09% | +571,424 | New |
| Pathstone Family Office, LLC | 506,540 | $5.08M | 0.05% | +506,540 | New |
| Millennium Management LLC | 470,492 | $4.72M | 0.01% | −117,091−19.9% | Reduced |
| Woodline Partners LP | 432,158 | $4.33M | 0.06% | +5,988+1.4% | Added |
| Moore Capital Management, LP | 422,902 | $4.24M | 0.12% | +64,420+18.0% | Added |
| Silverarc Capital Management, LLC | 420,000 | $4.21M | 1.79% | +420,000 | New |
| Perceptive Advisors LLC | 400,000 | $4.01M | 0.12% | −108,532−21.3% | Reduced |
| Guardian Point Capital, LP | 400,000 | $4.01M | 2.93% | −100,000−20.0% | Reduced |
| Ikarian Capital, LLC | 350,000 | $3.51M | 1.75% | +350,000 | New |
| EAM Investors, LLC | 208,571 | $2.09M | 0.45% | +208,571 | New |
| WMS Partners, LLC | 180,068 | $1.81M | 0.25% | −1,000−0.6% | Reduced |
| D. E. Shaw & Co., Inc. | 164,642 | $1.65M | 0.00% | +146,065+786.3% | Added |
| Geode Capital Management, LLC | 157,645 | $1.58M | 0.00% | +48,796+44.8% | Added |
| Schonfeld Strategic Advisors LLC | 152,429 | $1.53M | 0.01% | +36,400+31.4% | Added |
| EAM Global Investors LLC | 133,161 | $1.34M | 0.36% | +133,161 | New |
| Bridgeway Capital Management, LLC | 83,600 | $839.0K | 0.02% | +2,800+3.5% | Added |
| Boothbay Fund Management, LLC | 62,580 | $628.0K | 0.02% | +49,853+391.7% | Added |
| Endurant Capital Management LP | 55,328 | $555.0K | 0.18% | +55,328 | New |
| State Street Corp | 47,378 | $475.0K | 0.00% | +12,900+37.4% | Added |
| Point72 Asset Management, L.P. | 40,936 | $411.0K | 0.00% | +40,936 | New |
| Barclays PLC | 34,161 | $342.0K | 0.00% | +27,437+408.0% | Added |
| Susquehanna International Group, LLP | 27,000 | $271.0K | 0.00% | +826+3.2% | Added |
| Northern Trust Corp | 25,742 | $259.0K | 0.00% | +4,196+19.5% | Added |
| Cubist Systematic Strategies, LLC | 22,942 | $230.0K | 0.00% | −966−4.0% | Reduced |
| Goldman Sachs Group Inc | 22,617 | $227.0K | 0.00% | −5,269−18.9% | Reduced |
| Bank of America Corp | 22,573 | $226.0K | 0.00% | −5,553−19.7% | Reduced |
| Morgan Stanley | 18,914 | $189.0K | 0.00% | −5,283−21.8% | Reduced |
| Qube Research & Technologies Ltd | 16,713 | $168.0K | 0.00% | −5,546−24.9% | Reduced |
| Group One Trading, L.P. | 12,880 | $129.0K | 0.00% | +12,880 | New |
| LMR Partners LLP | 10,092 | $101.0K | 0.00% | 00.0% | Unchanged |
| Fiduciary Group LLC | 10,000 | $100.0K | 0.01% | 00.0% | Unchanged |
| Citigroup Inc | 8,316 | $83.0K | 0.00% | +7,385+793.2% | Added |
| Tower Research Capital LLC (TRC) | 8,117 | $81.0K | 0.00% | +4,232+108.9% | Added |
| Chicago Partners Investment Group LLC | 11,085 | $72.0K | 0.01% | +11,085 | New |
| UBS Group AG | 2,687 | $27.0K | 0.00% | +2,687 | New |
| JPMorgan Chase & Co | 2,427 | $24.0K | 0.00% | +805+49.6% | Added |
| Wells Fargo & Company | 2,090 | $21.0K | 0.00% | +1,520+266.7% | Added |
| Spire Wealth Management | 2,100 | $21.0K | 0.00% | +2,100 | New |
| FMR LLC | 899 | $9.00K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 379 | $4.00K | 0.00% | +379 | New |
| Ellevest, Inc. | 257 | $3.00K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 51 | $1.00K | 0.00% | +51 | New |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −53,749−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −26,204−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −18,808−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −18,500−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −15,311−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −11,113−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −2,672−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| New York State Common Retirement Fund | 0 | $0 | 0.00% | −257−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −292−100.0% | Sold out |
| Credit Suisse AG | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Advisor Group Holdings, Inc. | 0 | $0 | 0.00% | −1−100.0% | Sold out |