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.
Q3 2025 vs. Q2 2025
How the institutions holding Acumen Pharmaceuticals, Inc. changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Q3 2025 | Change |
|---|---|---|---|
| Holders | 71 | 69 | −2 |
| Shares | 37.6M | 35.7M | −1.88M (−5.0%) |
| Value | $43.6M | $61.1M | +$17.5M (+40.0%) |
New holders (13)
Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q3 2025 but not at the end of Q2 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Citadel Advisors LLC | 494,108 | $844.9K | 0.00% |
| SG Americas Securities, LLC | 403,878 | $691.0K | 0.00% |
| Acadian Asset Management LLC | 77,920 | $131.0K | 0.00% |
| Cubist Systematic Strategies, LLC | 23,904 | $40.9K | 0.00% |
| Jacobs Levy Equity Management, Inc | 16,001 | $27.4K | 0.00% |
| PFG Investments, LLC | 11,500 | $19.7K | 0.00% |
| Larson Financial Group LLC | 4,000 | $6.84K | 0.00% |
| Rockefeller Capital Management L.P. | 3,000 | $5.13K | 0.00% |
| TFC Financial Management | 2,500 | $4.28K | 0.00% |
| Advisory Services Network, LLC | 1,111 | $1.90K | 0.00% |
| Bell Investment Advisors, Inc | 362 | $620 | 0.00% |
| SRS Capital Advisors, Inc. | 26 | $44 | 0.00% |
| Optiver Holding B.V. | 6 | $10 | 0.00% |
Sold out (15)
Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| Y-Intercept (Hong Kong) Ltd | 250,848 | $291.0K |
| Marshall Wace, LLP | 137,943 | $160.0K |
| AQR Capital Management LLC | 46,292 | $53.7K |
| Jain Global LLC | 39,990 | $46.4K |
| Marex Group plc | 33,300 | $38.6K |
| Two Sigma Securities, LLC | 20,066 | $23.3K |
| Schonfeld Strategic Advisors LLC | 15,929 | $18.5K |
| DRW Securities, LLC | 11,018 | $12.8K |
| Ethic Inc. | 11,377 | $12.7K |
| Tower Research Capital LLC (TRC) | 3,631 | $4.21K |
| Federation des caisses Desjardins du Quebec | 1,500 | $1.74K |
| Skopos Labs, Inc. | 619 | $719 |
| Raymond James Financial Inc | 495 | $574 |
| Clearstead Advisors, LLC | 63 | $74 |
| True Wealth Design, LLC | 35 | $41 |