D.E. Shaw & Co — REGN Trade History
Quarter-by-quarter changes in the REGENERON PHARMACEUTICALS position · CUSIP 75886F107
Currently held · 2 YearsFirst seen: 2016 Q3
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-08-14 | Add | 38,477 | 15,747 | +69.3% | $24.0M | 0.01% |
| 2026 Q1 | 2026-05-15 | Reduce | 22,730 | -132,745 | -85.4% | $17.6M | 0.01% |
| 2025 Q4 | 2026-02-17 | Reduce | 155,475 | -706,118 | -82.0% | $120.0M | 0.07% |
| 2025 Q3 | 2025-11-14 | Add | 861,593 | 84,124 | +10.8% | $484.4M | 0.27% |
| 2025 Q2 | 2025-08-14 | Add | 777,469 | 198,580 | +34.3% | $408.2M | 0.29% |
| 2025 Q1 | 2025-05-15 | Add | 578,889 | 78,659 | +15.7% | $367.1M | 0.33% |
| 2024 Q4 | 2025-02-14 | Add | 500,230 | 233,994 | +87.9% | $356.3M | 0.26% |
| 2024 Q3 | 2024-11-14 | New | 266,236 | 266,236 | — | $279.9M | 0.24% |
| 2024 Q1 | 2024-11-14 | — | — | — | — | — | — |
| 2023 Q4 | 2024-11-14 | Sold out | — | -254,415 | -100.0% | — | — |
| 2024 Q2 | 2024-08-14 | Reduce | 254,415 | -116,006 | -31.3% | $267.4M | 0.25% |
| 2023 Q3 | 2023-11-14 | Add | 370,421 | 82,642 | +28.7% | $304.8M | 0.32% |
| 2023 Q2 | 2023-08-14 | Add | 287,779 | 136,446 | +90.2% | $206.8M | 0.21% |
| 2023 Q1 | 2023-05-15 | Add | 151,333 | 135,038 | +828.7% | $124.3M | 0.13% |
| 2022 Q4 | 2023-02-14 | Reduce | 16,295 | -21,130 | -56.5% | $11.8M | 0.01% |
| 2022 Q3 | 2022-11-14 | Reduce | 37,425 | -26,903 | -41.8% | $25.8M | 0.03% |
| 2022 Q2 | 2022-08-15 | Reduce | 64,328 | -135,375 | -67.8% | $38.0M | 0.04% |
| 2022 Q1 | 2022-05-16 | Reduce | 199,703 | -93,168 | -31.8% | $139.5M | 0.13% |
| 2021 Q4 | 2022-02-14 | Add | 292,871 | 120,736 | +70.1% | $185.0M | 0.15% |
| 2021 Q3 | 2021-11-15 | Add | 172,135 | 119,119 | +224.7% | $104.2M | 0.09% |
| 2021 Q2 | 2021-08-16 | Add | 53,016 | 32,316 | +156.1% | $29.6M | 0.03% |
| 2021 Q1 | 2021-05-17 | Reduce | 20,700 | -34,958 | -62.8% | $9.8M | 0.01% |
| 2020 Q4 | 2021-02-16 | Add | 55,658 | 7,495 | +15.6% | $26.9M | 0.02% |
| 2020 Q3 | 2020-11-16 | Add | 48,163 | 14,060 | +41.2% | $27.0M | 0.03% |
| 2020 Q2 | 2020-08-14 | Reduce | 34,103 | -4,485 | -11.6% | $21.3M | 0.03% |
| 2020 Q1 | 2020-05-15 | Reduce | 38,588 | -41,893 | -52.1% | $18.8M | 0.03% |
| 2019 Q4 | 2020-02-14 | Reduce | 80,481 | -56,341 | -41.2% | $30.2M | 0.04% |
| 2019 Q3 | 2019-11-14 | Reduce | 136,822 | -114,237 | -45.5% | $38.0M | 0.05% |
| 2019 Q2 | 2019-08-14 | Add | 251,059 | 62,639 | +33.2% | $78.6M | 0.10% |
| 2019 Q1 | 2019-05-15 | Reduce | 188,420 | -170,246 | -47.5% | $77.4M | 0.10% |
| 2018 Q4 | 2019-02-14 | Add | 358,666 | 156,989 | +77.8% | $134.0M | 0.18% |
| 2018 Q3 | 2018-11-14 | Reduce | 201,677 | -122,963 | -37.9% | $81.5M | 0.10% |
| 2018 Q2 | 2018-08-14 | Reduce | 324,640 | -333,070 | -50.6% | $112.0M | 0.15% |
| 2018 Q1 | 2018-05-15 | Add | 657,710 | 122,000 | +22.8% | $226.5M | 0.31% |
| 2017 Q4 | 2018-02-14 | Add | 535,710 | 446,025 | +497.3% | $201.4M | 0.28% |
| 2017 Q3 | 2017-11-14 | Add | 89,685 | 29,937 | +50.1% | $40.1M | 0.06% |
| 2017 Q2 | 2017-08-14 | Add | 59,748 | 52,645 | +741.2% | $29.3M | 0.05% |
| 2017 Q1 | 2017-05-15 | Reduce | 7,103 | -1,696 | -19.3% | $2.8M | 0.01% |
| 2016 Q4 | 2017-02-14 | Add | 8,799 | 2,529 | +40.3% | $3.2M | 0.01% |
| 2016 Q3 | 2016-11-14 | New | 6,270 | 6,270 | — | $2.5M | 0.00% |
Share counts are split-adjusted. Time held counts consecutive quarters ending with the latest filing; more than ten years shows as ">10 Years".
13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.