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 2023
Institutional positions in Acumen Pharmaceuticals, Inc. as of Jun 30, 2023. 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
- 53
- −9 vs. Q1 2023
- Shares held
- 26.3M
- −1.43M (−5.1%) vs. Q1 2023
- Total value
- $126.6M
- +$13.9M (+12.3%) vs. Q1 2023
- New holders
- 9
- 14 more added
- Sold out
- 18
- 19 more reduced
Compare with Q1 2023: 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 2023
Shares, value and share of portfolio for each institution holding Acumen Pharmaceuticals, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royal Bank of Canada | 296 | $1.00K | 0.00% | −88−22.9% | Reduced |
| Daiwa Securities Group Inc. | 165 | $1.00K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 477 | $2.29K | 0.00% | −202−29.7% | Reduced |
| China Universal Asset Management Co., Ltd. | 538 | $2.59K | 0.00% | −17−3.1% | Reduced |
| Citigroup Inc | 697 | $3.35K | 0.00% | −40,680−98.3% | Reduced |
| Federation des caisses Desjardins du Quebec | 892 | $4.29K | 0.00% | +892 | New |
| Kelly Financial Services LLC | 944 | $4.54K | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 1,420 | $6.00K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 1,275 | $6.13K | 0.00% | +38+3.1% | Added |
| Wells Fargo & Company | 2,101 | $10.1K | 0.00% | −995−32.1% | Reduced |
| Tower Research Capital LLC (TRC) | 3,575 | $17.2K | 0.00% | +553+18.3% | Added |
| Simplex Trading, LLC | 4,546 | $21.0K | 0.00% | +4,546 | New |
| Squarepoint Ops LLC | 10,445 | $50.2K | 0.00% | −8,898−46.0% | Reduced |
| BIT Capital GmbH | 11,618 | $55.9K | 0.01% | +11,618 | New |
| Belvedere Trading LLC | 12,931 | $62.2K | 0.02% | +12,931 | New |
| Cubist Systematic Strategies, LLC | 13,116 | $63.1K | 0.00% | −1,783−12.0% | Reduced |
| Goldman Sachs Group Inc | 13,572 | $65.3K | 0.00% | −28,730−67.9% | Reduced |
| LMR Partners LLP | 14,663 | $70.5K | 0.00% | −2,229−13.2% | Reduced |
| Morgan Stanley | 15,324 | $73.7K | 0.00% | −36,184−70.2% | Reduced |
| Bank of America Corp | 15,743 | $75.7K | 0.00% | −12,102−43.5% | Reduced |
| Pinnacle Associates Ltd | 18,020 | $86.7K | 0.00% | +18,020 | New |
| Pinnacle Wealth Management Advisory Group, LLC | 18,020 | $86.7K | 0.01% | +18,020 | New |
| Intrepid Financial Planning Group LLC | 20,150 | $96.9K | 0.05% | −10,000−33.2% | Reduced |
| Barclays PLC | 25,394 | $122.1K | 0.00% | −558−2.2% | Reduced |
| Two Sigma Investments, LP | 26,635 | $128.1K | 0.00% | −27,447−50.8% | Reduced |
| Balyasny Asset Management LLC | 30,222 | $145.4K | 0.00% | +30,222 | New |
| Prelude Capital Management, LLC | 31,100 | $149.6K | 0.01% | +31,100 | New |
| Northern Trust Corp | 32,094 | $154.4K | 0.00% | −64−0.2% | Reduced |
| Group One Trading, L.P. | 32,800 | $157.8K | 0.01% | +28,500+662.8% | Added |
| Renaissance Technologies LLC | 44,800 | $215.0K | 0.00% | +7,355+19.6% | Added |
| Citadel Advisors LLC | 47,394 | $228.0K | 0.00% | +33,313+236.6% | Added |
| State Street Corp | 59,778 | $287.5K | 0.00% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 60,504 | $291.0K | 0.00% | −99,704−62.2% | Reduced |
| J. Goldman & Co LP | 62,986 | $303.0K | 0.02% | −72,014−53.3% | Reduced |
| Dimensional Fund Advisors LP | 68,979 | $331.8K | 0.00% | +2,200+3.3% | Added |
| UBS Oconnor LLC | 79,538 | $382.6K | 0.01% | +18,180+29.6% | Added |
| Catalyst Financial Partners LLC | 89,699 | $431.5K | 0.15% | +89,699 | New |
| WMS Partners, LLC | 98,301 | $472.8K | 0.04% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 127,106 | $611.4K | 0.02% | +62,580+97.0% | Added |
| Bridgeway Capital Management, LLC | 142,833 | $687.0K | 0.02% | +25,000+21.2% | Added |
| Geode Capital Management, LLC | 166,820 | $802.4K | 0.00% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 395,000 | $1.90M | 0.02% | +38,000+10.6% | Added |
| Pathstone Family Office, LLC | 467,060 | $2.25M | 0.03% | +75,000+19.1% | Added |
| BlackRock Inc. | 483,324 | $2.32M | 0.00% | −188,307−28.0% | Reduced |
| Ikarian Capital, LLC | 654,945 | $3.15M | 1.11% | +400,000+156.9% | Added |
| Vanguard Group Inc | 734,852 | $3.53M | 0.00% | +1150.0% | Added |
| Great Point Partners LLC | 1,051,267 | $5.06M | 1.01% | 00.0% | Unchanged |
| Millennium Management LLC | 1,146,018 | $5.51M | 0.01% | +500,135+77.4% | Added |
| Laurion Capital Management LP | 1,206,548 | $5.80M | 0.25% | 00.0% | Unchanged |
| Knollwood Investment Advisory, LLC | 1,678,510 | $8.07M | 2.72% | 00.0% | Unchanged |
| Sands Capital Ventures, LLC | 3,417,075 | $16.4M | 4.86% | 00.0% | Unchanged |
| Deep Track Capital, LP | 3,916,361 | $18.8M | 0.88% | −35,639−0.9% | Reduced |
| Ra Capital Management, L.P. | 9,770,773 | $47.0M | 0.89% | 00.0% | Unchanged |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −550,349−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −426,172−100.0% | Sold out |
| Commodore Capital LP | 0 | $0 | 0.00% | −400,000−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −196,539−100.0% | Sold out |
| Silverarc Capital Management, LLC | 0 | $0 | 0.00% | −146,922−100.0% | Sold out |
| Guardian Point Capital, LP | 0 | $0 | 0.00% | −130,000−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −129,794−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −74,541−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −62,952−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −44,385−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −43,115−100.0% | Sold out |
| 683 Capital Management, LLC | 0 | $0 | 0.00% | −31,246−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | – | Sold out |
| Chicago Partners Investment Group LLC | 0 | $0 | 0.00% | −12,332−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −10,183−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −3,954−100.0% | Sold out |
| Point72 Middle East FZE | 0 | $0 | 0.00% | −3,415−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −3,137−100.0% | Sold out |