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

D. E. Shaw & Co., Inc. currently holds 37.3K shares with a market value of $6.6M. It started holding DUOL on 2024-12-31. At its peak, it held 169.3K shares on 2024-12-31. Its highest holding value was $57.1M on 2025-06-30. At its lowest, it held 2.4K shares on 2025-03-31, with a value of $747.5K on 2025-03-31. In the recent 180 days, D. E. Shaw & Co., Inc. has decreased its shares by 102.0K. In the recent year, D. E. Shaw & Co., Inc. has decreased its shares by 132.0K.

It has also owned 546 contracts of calls, with the market value of the underlying securities totaling $9.6M on 2024-12-31. At its peak, it held 1.0K contracts of calls on 2025-09-30 and it owned calls with the market value of the underlying securities totaling $32.2M on 2025-09-30. At its lowest, it held 316 contracts of calls on 2024-12-31 and it owned calls with the market value of the underlying securities totaling $9.6M on 2025-12-31. In the recent 180 days, D. E. Shaw & Co., Inc. has decreased its holdings by 113 contracts. In the recent year, D. E. Shaw & Co., Inc. has increased its holdings by 230 contracts.

It has also owned 2.3K contracts of puts, with the market value of the underlying securities totaling $39.8M on 2024-12-31. At its peak, it held 2.3K contracts of puts on 2025-12-31 and it owned puts with the market value of the underlying securities totaling $39.8M on 2025-12-31. At its lowest, it held 71 contracts of puts on 2024-12-31 and it owned puts with the market value of the underlying securities totaling $2.3M on 2024-12-31. In the recent 180 days, D. E. Shaw & Co., Inc. has increased its holdings by 2.1K contracts. In the recent year, D. E. Shaw & Co., Inc. has increased its holdings by 37.3K contracts.