Parallax Volatility Advisers, L.P.'s ownership history for BKH

Parallax Volatility Advisers, L.P. currently holds 11.9K shares with a market value of $828.7K. It started holding BKH on 2025-12-31. At its peak, it held 11.9K shares on 2025-12-31. Its highest holding value was $828.7K on 2025-12-31. At its lowest, it held 11.9K shares on 2025-12-31, with a value of $828.7K on 2025-12-31.