As of 31 Dec 2025, 1 institutional investors reported holding 1 shares of ACM - COMMON STOCK.
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 1 | $1 | $1.00 | 1 | |
| 2025 Q3 | 1 | $1 | $1.00 | 1 | |
| 2025 Q2 | 1 | $1 | $1.00 | 1 | |
| 2025 Q1 | 1 | $1 | $1.00 | 1 | |
| 2024 Q4 | 1 | $1 | $1.00 | 1 | |
| 2024 Q3 | 1 | $1 | $1.00 | 1 | |
| 2024 Q2 | 1 | $1 | $1.00 | 1 | |
| 2024 Q1 | 1 | $1 | $1.00 | 1 | |
| 2023 Q4 | 1 | $1 | $1.00 | 1 | |
| 2023 Q3 | 1 | $1 | $1.00 | 1 | |
| 2023 Q2 | 1 | $1 | $1.00 | 1 | |
| 2023 Q1 | 1 | $1 | $1.00 | 1 | |
| 2022 Q4 | 1 | $1 | +$1 | $1.00 | 1 |
| 2016 Q1 | 0 | $0 | -$1,595,000 | $1.00 | 0 |
| 2015 Q4 | 207,964 | $1,595,000 | -$49,208 | $7.67 | 1 |
| 2015 Q3 | 214,380 | $1,685,000 | -$108,938 | $7.86 | 1 |
| 2015 Q2 | 228,240 | $1,698,000 | -$5,230 | $7.44 | 1 |
| 2015 Q1 | 228,943 | $1,767,000 | -$24,212 | $7.72 | 1 |
| 2014 Q4 | 232,080 | $1,734,000 | -$102,495 | $7.47 | 1 |
| 2014 Q3 | 245,798 | $1,843,000 | -$2,887 | $7.50 | 1 |
| 2014 Q2 | 246,183 | $1,851,000 | +$257,835 | $7.52 | 1 |
| 2014 Q1 | 211,891 | $1,555,000 | +$31,769 | $7.34 | 1 |