Calamos Advisors LLC's ownership history for MSFT

Calamos Advisors LLC currently holds 2.2M shares with a market value of $1.1B. It started holding MSFT on 2024-09-30. At its peak, it held 2.4M shares on 2024-09-30. Its highest holding value was $1.1B on 2025-09-30. At its lowest, it held 2.2M shares on 2025-09-30, with a value of $864.0M on 2025-03-31. In the recent 180 days, Calamos Advisors LLC has decreased its shares by 104.3K. In the recent year, Calamos Advisors LLC has decreased its shares by 160.4K.

It has also owned 1.4K contracts of calls, with the market value of the underlying securities totaling $70.7M on 2024-12-31. At its peak, it held 1.4K contracts of calls on 2025-09-30 and it owned calls with the market value of the underlying securities totaling $70.7M on 2025-09-30. At its lowest, it held 6 contracts of calls on 2024-12-31 and it owned calls with the market value of the underlying securities totaling $258.2K on 2024-12-31. In the recent 180 days, Calamos Advisors LLC has increased its holdings by 1.4K contracts.

It has also owned 365 contracts of puts, with the market value of the underlying securities totaling $15.7M on 2024-12-31. At its peak, it held 365 contracts of puts on 2024-12-31 and it owned puts with the market value of the underlying securities totaling $15.7M on 2024-12-31. At its lowest, it held 365 contracts of puts on 2024-12-31 and it owned puts with the market value of the underlying securities totaling $15.7M on 2024-12-31.