Renaissance Technologies — WDC Trade History
Quarter-by-quarter changes in the WESTERN DIGITAL CORP position · CUSIP 958102105
Currently held · 2 YearsFirst seen: 2019 Q4split-adjusted
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-08-13 | Reduce | 537,473 | -608,660 | -53.1% | $343.3M | 0.47% |
| 2026 Q1 | 2026-05-14 | Add | 1,146,133 | 153,600 | +15.5% | $310.0M | 0.48% |
| 2025 Q4 | 2026-02-12 | Reduce | 992,533 | -156,229 | -13.6% | $171.0M | 0.27% |
| 2025 Q3 | 2025-11-13 | Add | 1,148,762 | 946,929 | +469.2% | $137.9M | 0.18% |
| 2025 Q2 | 2025-08-13 | Add | 201,833 | 131,900 | +188.6% | $12.9M | 0.02% |
| 2025 Q1 | 2025-05-14 | Reduce | 69,933 | -1,136,819 | -94.2% | $2.8M | 0.00% |
| 2024 Q4 | 2025-02-13 | Reduce | 1,206,752 | -404,970 | -25.1% | $54.4M | 0.08% |
| 2024 Q3 | 2024-11-13 | New | 1,611,722 | 1,611,722 | — | $83.2M | 0.13% |
| 2024 Q2 | 2024-08-09 | Sold out | — | -449,996 | -100.0% | — | — |
| 2024 Q1 | 2024-05-13 | Reduce | 449,996 | -194,481 | -30.2% | $23.2K | 0.04% |
| 2023 Q4 | 2024-02-13 | New | 644,477 | 644,477 | — | $25.5K | 0.04% |
| 2023 Q3 | 2023-11-14 | — | — | — | — | — | — |
| 2023 Q2 | 2023-08-11 | Sold out | — | -622,912 | -100.0% | — | — |
| 2023 Q1 | 2023-05-12 | Add | 622,912 | 484,682 | +350.6% | $17.7K | 0.02% |
| 2022 Q4 | 2023-02-13 | Reduce | 138,230 | -12,700 | -8.4% | $3.3K | 0.01% |
| 2022 Q3 | 2022-11-14 | New | 150,930 | 150,930 | — | $3.7M | 0.01% |
| 2022 Q2 | 2022-08-12 | Sold out | — | -1,919,717 | -100.0% | — | — |
| 2022 Q1 | 2022-05-13 | Add | 1,919,717 | 1,567,888 | +445.6% | $72.0M | 0.09% |
| 2021 Q4 | 2022-02-11 | New | 351,829 | 351,829 | — | $17.3M | 0.02% |
| 2021 Q3 | 2021-11-12 | — | — | — | — | — | — |
| 2021 Q2 | 2021-08-13 | — | — | — | — | — | — |
| 2021 Q1 | 2021-05-13 | Sold out | — | -1,227,655 | -100.0% | — | — |
| 2020 Q4 | 2021-02-10 | Reduce | 1,227,655 | -24,079 | -1.9% | $51.4M | 0.06% |
| 2020 Q3 | 2020-11-13 | Reduce | 1,251,734 | -431,033 | -25.6% | $34.6M | 0.04% |
| 2020 Q2 | 2020-08-13 | Add | 1,682,767 | 1,348,534 | +403.5% | $56.2M | 0.05% |
| 2020 Q1 | 2020-05-14 | Add | 334,233 | 30,164 | +9.9% | $10.5M | 0.01% |
| 2019 Q4 | 2020-02-13 | New | 304,069 | 304,069 | — | $14.6M | 0.01% |
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.