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 2025
Institutional positions in Acumen Pharmaceuticals, Inc. as of Jun 30, 2025. 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
- 71
- −10 vs. Q1 2025
- Shares held
- 37.6M
- −2.66M (−6.6%) vs. Q1 2025
- Total value
- $43.6M
- −$1.20M (−2.7%) vs. Q1 2025
- New holders
- 17
- 15 more added
- Sold out
- 27
- 22 more reduced
Compare with Q1 2025: 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 2025
Shares, value and share of portfolio for each institution holding Acumen Pharmaceuticals, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| True Wealth Design, LLC | 35 | $41 | 0.00% | +6+20.7% | Added |
| Clearstead Advisors, LLC | 63 | $74 | 0.00% | +63 | New |
| NBT Bank N A | 200 | $232 | 0.00% | +200 | New |
| Farther Finance Advisors, LLC | 200 | $232 | 0.00% | +200 | New |
| EverSource Wealth Advisors, LLC | 415 | $481 | 0.00% | −71−14.6% | Reduced |
| Raymond James Financial Inc | 495 | $574 | 0.00% | +495 | New |
| SBI Securities Co., Ltd. | 513 | $595 | 0.00% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 619 | $719 | 0.00% | +619 | New |
| Royal Bank of Canada | 969 | $1.00K | 0.00% | −7,571−88.7% | Reduced |
| Nisa Investment Advisors, LLC | 1,229 | $1.43K | 0.00% | +1,229 | New |
| Federation des caisses Desjardins du Quebec | 1,500 | $1.74K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 2,034 | $2.36K | 0.00% | −1,133−35.8% | Reduced |
| Citigroup Inc | 3,115 | $3.61K | 0.00% | −26,721−89.6% | Reduced |
| Tower Research Capital LLC (TRC) | 3,631 | $4.21K | 0.00% | −4,810−57.0% | Reduced |
| CWM, LLC | 4,136 | $5.00K | 0.00% | −10.0% | Reduced |
| The PNC Financial Services Group, Inc. | 4,948 | $5.74K | 0.00% | +502+11.3% | Added |
| Wells Fargo & Company | 6,825 | $7.92K | 0.00% | −20,853−75.3% | Reduced |
| Advisor Group Holdings, Inc. | 7,251 | $8.41K | 0.00% | +2,251+45.0% | Added |
| Group One Trading, L.P. | 8,524 | $9.89K | 0.00% | +6,113+253.5% | Added |
| Integrated Wealth Concepts LLC | 10,426 | $12.1K | 0.00% | −4,793−31.5% | Reduced |
| Ethic Inc. | 11,377 | $12.7K | 0.00% | +11,377 | New |
| DRW Securities, LLC | 11,018 | $12.8K | 0.00% | +11,018 | New |
| Savant Capital, LLC | 11,045 | $12.8K | 0.00% | +11,045 | New |
| Schonfeld Strategic Advisors LLC | 15,929 | $18.5K | 0.00% | +15,929 | New |
| Clune & Associates, Ltd. | 16,500 | $19.1K | 0.01% | 00.0% | Unchanged |
| Pinnacle Associates Ltd | 18,020 | $20.9K | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Management Advisory Group, LLC | 18,020 | $20.9K | 0.00% | 00.0% | Unchanged |
| Catalyst Funds Management Pty Ltd | 19,700 | $22.9K | 0.01% | +19,700 | New |
| Two Sigma Securities, LLC | 20,066 | $23.3K | 0.00% | +8,187+68.9% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 21,340 | $24.8K | 0.00% | +21,340 | New |
| JPMorgan Chase & Co | 16,675 | $29.2K | 0.00% | −815,592−98.0% | Reduced |
| Barclays PLC | 29,991 | $34.8K | 0.00% | −42,274−58.5% | Reduced |
| Intrepid Financial Planning Group LLC | 30,150 | $35.0K | 0.01% | 00.0% | Unchanged |
| HRT Financial LP | 31,427 | $36.0K | 0.00% | +31,427 | New |
| Gsa Capital Partners LLP | 32,103 | $37.0K | 0.00% | +32,103 | New |
| Marex Group plc | 33,300 | $38.6K | 0.00% | 00.0% | Unchanged |
| Jain Global LLC | 39,990 | $46.4K | 0.00% | +39,990 | New |
| Dimensional Fund Advisors LP | 43,524 | $50.5K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 46,292 | $53.7K | 0.00% | +4,557+10.9% | Added |
| Boothbay Fund Management, LLC | 51,042 | $59.2K | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 57,559 | $66.8K | 0.00% | +35,424+160.0% | Added |
| Northern Trust Corp | 65,162 | $75.6K | 0.00% | −224,674−77.5% | Reduced |
| Catalyst Financial Partners LLC | 89,699 | $104.1K | 0.01% | 00.0% | Unchanged |
| UBS Group AG | 94,422 | $109.5K | 0.00% | −28,593−23.2% | Reduced |
| State Street Corp | 106,678 | $123.7K | 0.00% | −414,528−79.5% | Reduced |
| Bridgeway Capital Management, LLC | 115,171 | $133.6K | 0.00% | 00.0% | Unchanged |
| Marshall Wace, LLP | 137,943 | $160.0K | 0.00% | +137,943 | New |
| Bank of America Corp | 147,009 | $170.5K | 0.00% | −11,925−7.5% | Reduced |
| Susquehanna International Group, LLP | 152,338 | $176.7K | 0.00% | +41,362+37.3% | Added |
| Morgan Stanley | 153,748 | $178.3K | 0.00% | +1,112+0.7% | Added |
| Jane Street Group, LLC | 175,670 | $203.8K | 0.00% | +164,866+1,526.0% | Added |
| Two Sigma Investments, LP | 200,785 | $232.9K | 0.00% | −31,508−13.6% | Reduced |
| Renaissance Technologies LLC | 246,588 | $286.0K | 0.00% | −10,112−3.9% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 250,848 | $291.0K | 0.01% | +250,848 | New |
| Ikarian Capital, LLC | 265,769 | $308.3K | 0.10% | 00.0% | Unchanged |
| BlackRock, Inc. | 291,957 | $338.7K | 0.00% | −2,039,092−87.5% | Reduced |
| Goldman Sachs Group Inc | 334,683 | $388.2K | 0.00% | +138,476+70.6% | Added |
| Geode Capital Management, LLC | 396,626 | $460.2K | 0.00% | −465,273−54.0% | Reduced |
| Two Sigma Advisers, LP | 426,300 | $494.5K | 0.00% | −37,400−8.1% | Reduced |
| Hudson Bay Capital Management LP | 825,004 | $957.0K | 0.01% | +55,004+7.1% | Added |
| Laurion Capital Management LP | 867,046 | $1.01M | 0.12% | 00.0% | Unchanged |
| ADAR1 Capital Management, LLC | 916,183 | $1.06M | 0.17% | +770,000+526.7% | Added |
| Alyeska Investment Group, L.P. | 939,603 | $1.09M | 0.00% | 00.0% | Unchanged |
| Pathstone Holdings, LLC | 1,058,531 | $1.23M | 0.00% | −28,000−2.6% | Reduced |
| Knollwood Investment Advisory, LLC | 1,628,510 | $1.89M | 0.18% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,689,351 | $1.96M | 0.00% | −247,640−12.8% | Reduced |
| Millennium Management LLC | 1,950,120 | $2.26M | 0.00% | +814,898+71.8% | Added |
| FMR LLC | 2,029,736 | $2.35M | 0.00% | +4,113+0.2% | Added |
| Franklin Resources Inc | 3,077,039 | $3.57M | 0.00% | −64,900−2.1% | Reduced |
| Sands Capital Ventures, LLC | 3,417,075 | $3.96M | 0.78% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 14,932,063 | $17.3M | 0.29% | 00.0% | Unchanged |
| Invesco Ltd. | 0 | $0 | 0.00% | −127,798−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −116,902−100.0% | Sold out |
| Deutsche Bank AG | 0 | $0 | 0.00% | −96,995−100.0% | Sold out |
| Bank of New York Mellon Corp | 0 | $0 | 0.00% | −90,258−100.0% | Sold out |
| Nuveen, LLC | 0 | $0 | 0.00% | −78,446−100.0% | Sold out |
| Rhumbline Advisers | 0 | $0 | 0.00% | −45,516−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −28,540−100.0% | Sold out |
| Mirae Asset Global ETFs Holdings Ltd. | 0 | $0 | 0.00% | −25,171−100.0% | Sold out |
| JustInvest LLC | 0 | $0 | 0.00% | −22,006−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −21,782−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −20,550−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −18,007−100.0% | Sold out |
| Thoroughbred Financial Services, LLC | 0 | $0 | 0.00% | −15,500−100.0% | Sold out |
| Price T Rowe Associates Inc | 0 | $0 | 0.00% | −13,616−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −11,189−100.0% | Sold out |
| New York State Common Retirement Fund | 0 | $0 | 0.00% | −9,800−100.0% | Sold out |
| Ameritas Investment Partners, Inc. | 0 | $0 | 0.00% | −4,110−100.0% | Sold out |
| Legal & General Group Plc | 0 | $0 | 0.00% | −3,635−100.0% | Sold out |
| California State Teachers Retirement System | 0 | $0 | 0.00% | −3,039−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −1,451−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −2,343−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −1,584−100.0% | Sold out |
| Sterling Capital Management LLC | 0 | $0 | 0.00% | −685−100.0% | Sold out |
| N.E.W. Advisory Services LLC | 0 | $0 | 0.00% | −598−100.0% | Sold out |
| Rise Advisors, LLC | 0 | $0 | 0.00% | −373−100.0% | Sold out |
| Coldstream Capital Management Inc | 0 | $0 | 0.00% | −311−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −278−100.0% | Sold out |