Granahan Investment Management, LLC's ownership history for CERT

Granahan Investment Management, LLC currently holds 426.0K shares with a market value of $5.2M. It started holding CERT on 2024-09-30. At its peak, it held 426.0K shares on 2025-09-30. Its highest holding value was $5.2M on 2025-09-30. At its lowest, it held 235.0K shares on 2025-03-31, with a value of $2.3M on 2025-03-31. In the recent 180 days, Granahan Investment Management, LLC has increased its shares by 191.0K. In the recent year, Granahan Investment Management, LLC has increased its shares by 123.5K.