Calamos Advisors LLC's ownership history for REGN

Calamos Advisors LLC currently holds 11.8K shares with a market value of $9.1M. It started holding REGN on 2024-09-30. At its peak, it held 22.7K shares on 2024-12-31. Its highest holding value was $16.1M on 2024-12-31. At its lowest, it held 11.8K shares on 2025-12-31, with a value of $6.4M on 2025-06-30. In the recent 180 days, Calamos Advisors LLC has decreased its shares by 479. In the recent year, Calamos Advisors LLC has decreased its shares by 10.9K.