# ACUMEN PHARMACEUTICALS INC (ABOS)

> Institutional ownership reported to the SEC as of Q3 2026, from Form 13F filings. Source: https://holderbook.com/stocks/ABOS/

- Reporting holders: 3
- Reported value: $39.1K
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Factor Wealth Management LTD](https://holderbook.com/funds/2055816-factor-wealth-management-ltd/) | $36.6K | 16,500 | 0.0% | 8 |
| [GAMMA Investing LLC](https://holderbook.com/funds/2010235-gamma-investing-llc/) | $1.9K | 877 | 0.0% | 1 |
| [Farther Finance Advisors, LLC](https://holderbook.com/funds/1992825-farther-finance-advisors-llc/) | $500 | 225 | 0.0% | 6 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 3 | $39.1K |
| Q2 2026 | 99 | $130.3M |
| Q1 2026 | 85 | $109.2M |
| Q4 2025 | 70 | $75.3M |
| Q3 2025 | 69 | $61.2M |
| Q2 2025 | 73 | $43.7M |
| Q1 2025 | 82 | $44.9M |
| Q4 2024 | 79 | $73.4M |
| Q3 2024 | 73 | $110.3M |
| Q2 2024 | 83 | $108.4M |
| Q1 2024 | 80 | $182.0M |
| Q4 2023 | 67 | $153.2M |