Portolan Capital Management, LLC's ownership history for KOS

Portolan Capital Management, LLC currently holds 602.5K shares with a market value of $1.7M. It started holding KOS on 2024-12-31. At its peak, it held 2.0M shares on 2025-03-31. Its highest holding value was $5.5M on 2024-12-31. At its lowest, it held 602.5K shares on 2026-03-31, with a value of $1.7M on 2026-03-31. In the recent 180 days, Portolan Capital Management, LLC has decreased its shares by 1.0M.