D. E. Shaw & Co., Inc.'s ownership history for QDEL

D. E. Shaw & Co., Inc. currently holds 538.4K shares with a market value of $15.9M. It started holding QDEL on 2024-12-31. At its peak, it held 2.0M shares on 2025-06-30. Its highest holding value was $77.0M on 2024-12-31. At its lowest, it held 538.4K shares on 2025-09-30, with a value of $15.9M on 2025-09-30. In the recent 180 days, D. E. Shaw & Co., Inc. has decreased its shares by 804.6K.

It has also owned 529 contracts of calls, with the market value of the underlying securities totaling $1.6M on 2025-09-30. At its peak, it held 529 contracts of calls on 2025-09-30 and it owned calls with the market value of the underlying securities totaling $1.6M on 2025-09-30. At its lowest, it held 529 contracts of calls on 2025-09-30 and it owned calls with the market value of the underlying securities totaling $1.6M on 2025-09-30.

It has also owned 747 contracts of puts, with the market value of the underlying securities totaling $2.2M on 2024-12-31. At its peak, it held 747 contracts of puts on 2025-09-30 and it owned puts with the market value of the underlying securities totaling $2.2M on 2025-09-30. At its lowest, it held 66 contracts of puts on 2024-12-31 and it owned puts with the market value of the underlying securities totaling $294.0K on 2024-12-31.