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.
Q4 2025 vs. Q3 2025
How the institutions holding Acumen Pharmaceuticals, Inc. changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Of which not filed for Q4 2025 | Q4 2025 | Change |
|---|---|---|---|---|
| Holders | 69 | 2 | 71 | +4 |
| Shares | 35.7M | 39.9K | 35.7M | −32.9K (−0.1%) |
| Value | $61.1M | $68.3K | $75.2M | +$14.2M (+23.3%) |
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (12)
Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q4 2025 but not at the end of Q3 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Prospera Financial Services Inc | 50,000 | $105.5K | 0.00% |
| XTX Topco Ltd | 49,563 | $104.6K | 0.00% |
| Quadrature Capital Ltd | 49,046 | $103.5K | 0.00% |
| Point72 Asset Management, L.P. | 36,365 | $76.7K | 0.00% |
| Omers Administration Corp | 22,454 | $47.4K | 0.00% |
| Marshall Wace, LLP | 20,907 | $44.1K | 0.00% |
| Independent Advisor Alliance | 19,000 | $40.1K | 0.00% |
| Virtu Financial LLC | 10,922 | $23.0K | 0.00% |
| Nine Masts Capital Ltd | 10,637 | $22.4K | 0.00% |
| Tower Research Capital LLC (TRC) | 4,457 | $9.40K | 0.00% |
| Flagship Harbor Advisors, LLC | 350 | $739 | 0.00% |
| Clearstead Advisors, LLC | 60 | $127 | 0.00% |
Sold out (8)
Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Gsa Capital Partners LLP | 32,103 | $55.0K |
| Jacobs Levy Equity Management, Inc | 16,001 | $27.4K |
| HRT Financial LP | 14,014 | $23.0K |
| Savant Capital, LLC | 11,045 | $18.9K |
| Integrated Wealth Concepts LLC | 10,179 | $17.4K |
| Advisory Services Network, LLC | 1,111 | $1.90K |
| Bell Investment Advisors, Inc | 362 | $620 |
| Citigroup Inc | 151 | $258 |
Not filed for Q4 2025 yet (2)
Institutions that held Acumen Pharmaceuticals, Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Cubist Systematic Strategies, LLC | 23,904 | $40.9K |
| Point72 Asia (Singapore) Pte. Ltd. | 16,044 | $27.4K |