Two Sigma Investments — WDC Trade History
Quarter-by-quarter changes in the WESTERN DIGITAL CORP position · CUSIP 958102105
Currently held · 3.8 YearsFirst seen: 2016 Q3split-adjusted
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-08-14 | Add | 48,556 | 46,586 | +2364.8% | $31.0M | 0.02% |
| 2026 Q1 | 2026-05-15 | Reduce | 1,970 | -308,287 | -99.4% | $532.9K | — |
| 2025 Q4 | 2026-02-17 | Reduce | 310,257 | -971,646 | -75.8% | $53.4M | 0.07% |
| 2025 Q3 | 2025-11-14 | Add | 1,281,903 | 795,387 | +163.5% | $153.9M | 0.23% |
| 2025 Q2 | 2025-08-14 | Reduce | 486,516 | -105,402 | -17.8% | $31.1M | 0.06% |
| 2025 Q1 | 2025-05-15 | Reduce | 591,918 | -453,096 | -43.4% | $23.9M | 0.05% |
| 2024 Q4 | 2025-02-14 | Reduce | 1,045,014 | -761,265 | -42.1% | $47.1M | 0.10% |
| 2024 Q3 | 2024-11-14 | Reduce | 1,806,279 | -550,464 | -23.4% | $93.2M | 0.20% |
| 2024 Q2 | 2024-08-14 | Reduce | 2,356,743 | -142,252 | -5.7% | $135.0M | 0.31% |
| 2024 Q1 | 2024-05-15 | Reduce | 2,498,995 | -271,130 | -9.8% | $128.9M | 0.30% |
| 2023 Q4 | 2024-02-14 | Add | 2,770,125 | 2,708,605 | +4402.8% | $109.7M | 0.25% |
| 2023 Q3 | 2023-11-14 | Reduce | 61,520 | -22,125 | -26.5% | $2.1M | 0.01% |
| 2023 Q2 | 2023-08-14 | Reduce | 83,645 | -331,540 | -79.9% | $2.4M | 0.01% |
| 2023 Q1 | 2023-05-15 | Add | 415,185 | 353,665 | +574.9% | $11.8M | 0.03% |
| 2022 Q4 | 2023-02-14 | New | 61,520 | 61,520 | — | $1.5M | 0.01% |
| 2022 Q3 | 2022-11-14 | — | — | — | — | — | — |
| 2022 Q2 | 2022-08-15 | — | — | — | — | — | — |
| 2022 Q1 | 2022-05-16 | Sold out | — | -459,828 | -100.0% | — | — |
| 2021 Q4 | 2022-02-14 | New | 459,828 | 459,828 | — | $22.7M | 0.05% |
| 2021 Q3 | 2021-11-15 | Sold out | — | -22,285 | -100.0% | — | — |
| 2021 Q2 | 2021-08-16 | Add | 22,285 | 8,997 | +67.7% | $1.2M | 0.00% |
| 2021 Q1 | 2021-05-17 | Reduce | 13,288 | -447,099 | -97.1% | $670.0K | 0.00% |
| 2020 Q4 | 2021-02-16 | New | 460,387 | 460,387 | — | $19.3M | 0.06% |
| 2020 Q3 | 2020-11-16 | — | — | — | — | — | — |
| 2020 Q2 | 2020-08-14 | — | — | — | — | — | — |
| 2020 Q1 | 2020-05-15 | Sold out | — | -160,508 | -100.0% | — | — |
| 2019 Q4 | 2020-02-14 | Reduce | 160,508 | -36,565 | -18.6% | $7.7M | 0.02% |
| 2019 Q3 | 2019-11-14 | Reduce | 197,073 | -821,601 | -80.7% | $8.9M | 0.03% |
| 2019 Q2 | 2019-08-14 | Add | 1,018,674 | 1,005,173 | +7445.2% | $36.6M | 0.12% |
| 2019 Q1 | 2019-05-15 | Reduce | 13,501 | -1,142,876 | -98.8% | $490.0K | 0.00% |
| 2018 Q4 | 2019-02-14 | New | 1,156,377 | 1,156,377 | — | $32.3M | 0.13% |
| 2018 Q3 | 2018-11-14 | — | — | — | — | — | — |
| 2018 Q2 | 2018-08-14 | Sold out | — | -1,630,714 | -100.0% | — | — |
| 2018 Q1 | 2018-05-15 | Reduce | 1,630,714 | -462,955 | -22.1% | $113.7M | 0.38% |
| 2017 Q4 | 2018-02-14 | Add | 2,093,669 | 2,086,785 | +30313.6% | $125.9M | 0.41% |
| 2017 Q3 | 2017-11-14 | Reduce | 6,884 | -13,933 | -66.9% | $450.0K | 0.00% |
| 2017 Q2 | 2017-08-14 | Reduce | 20,817 | -25,536 | -55.1% | $1.4M | 0.01% |
| 2017 Q1 | 2017-05-15 | Reduce | 46,353 | -138,110 | -74.9% | $2.9M | 0.01% |
| 2016 Q4 | 2017-02-14 | Reduce | 184,463 | -436,802 | -70.3% | $9.5M | 0.04% |
| 2016 Q3 | 2016-11-14 | New | 621,265 | 621,265 | — | $27.5M | 0.10% |
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.