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

D. E. Shaw & Co., Inc. currently holds 274.7K shares with a market value of $4.5M. 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 274.7K shares on 2026-03-31, with a value of $4.5M on 2026-03-31. In the recent 180 days, D. E. Shaw & Co., Inc. has decreased its shares by 263.7K. In the recent year, D. E. Shaw & Co., Inc. has decreased its shares by 1.1M.

It has also owned 120 contracts of calls, with the market value of the underlying securities totaling $197.2K 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 101 contracts of calls on 2025-12-31 and it owned calls with the market value of the underlying securities totaling $197.2K on 2026-03-31. In the recent 180 days, D. E. Shaw & Co., Inc. has decreased its holdings by 409 contracts.

It has also owned 1.6K contracts of puts, with the market value of the underlying securities totaling $2.7M on 2024-12-31. At its peak, it held 1.6K contracts of puts on 2026-03-31 and it owned puts with the market value of the underlying securities totaling $2.7M on 2026-03-31. 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. In the recent 180 days, D. E. Shaw & Co., Inc. has increased its holdings by 887 contracts.