Guinness Atkinson Asset Management Inc's ownership history for AMT

Guinness Atkinson Asset Management Inc currently holds 59 shares with a market value of $10.2K. It started holding AMT on 2026-03-31. At its peak, it held 59 shares on 2026-03-31. Its highest holding value was $10.2K on 2026-03-31. At its lowest, it held 59 shares on 2026-03-31, with a value of $10.2K on 2026-03-31.