Millennium Management — WDC Trade History
Quarter-by-quarter changes in the WESTERN DIGITAL CORP position · CUSIP 958102105
Currently held · 7 YearsFirst seen: 2016 Q3split-adjusted
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-08-14 | Add | 351,962 | 74,309 | +26.8% | $224.8M | 0.08% |
| 2026 Q1 | 2026-05-15 | Reduce | 277,653 | -39,552 | -12.5% | $75.1M | 0.03% |
| 2025 Q4 | 2026-02-17 | Reduce | 317,205 | -914,620 | -74.2% | $54.6M | 0.02% |
| 2025 Q3 | 2025-11-14 | Add | 1,231,825 | 857,489 | +229.1% | $147.9M | 0.06% |
| 2025 Q2 | 2025-08-14 | Add | 374,336 | 288,786 | +337.6% | $24.0M | 0.01% |
| 2025 Q1 | 2025-05-15 | Reduce | 85,550 | -1,412,168 | -94.3% | $3.5M | 0.00% |
| 2024 Q4 | 2025-02-14 | Reduce | 1,497,718 | -1,970,495 | -56.8% | $67.5M | 0.03% |
| 2024 Q3 | 2024-11-14 | Reduce | 3,468,213 | -3,161,754 | -47.7% | $179.0M | 0.09% |
| 2024 Q2 | 2024-08-14 | Add | 6,629,967 | 316,340 | +5.0% | $379.7M | 0.18% |
| 2024 Q1 | 2024-05-15 | Reduce | 6,313,627 | -7,556,071 | -54.5% | $325.7M | 0.14% |
| 2023 Q4 | 2024-02-14 | Add | 13,869,698 | 5,182,352 | +59.7% | $549.0M | 0.24% |
| 2023 Q3 | 2023-11-14 | Reduce | 8,687,346 | -56,286 | -0.6% | $299.6M | 0.15% |
| 2023 Q2 | 2023-08-14 | Reduce | 8,743,632 | -1,973,250 | -18.4% | $250.7M | 0.12% |
| 2023 Q1 | 2023-05-15 | Add | 10,716,882 | 6,605,226 | +160.6% | $305.1K | 0.17% |
| 2022 Q4 | 2023-02-14 | Add | 4,111,656 | 1,809,676 | +78.6% | $98.1K | 0.05% |
| 2022 Q3 | 2022-11-14 | Reduce | 2,301,980 | -979,863 | -29.9% | $56.6M | 0.03% |
| 2022 Q2 | 2022-08-15 | Add | 3,281,843 | 1,271,787 | +63.3% | $111.2M | 0.07% |
| 2022 Q1 | 2022-05-16 | Add | 2,010,056 | 560,156 | +38.6% | $75.4M | 0.04% |
| 2021 Q4 | 2022-02-14 | Add | 1,449,900 | 315,794 | +27.8% | $71.5M | 0.04% |
| 2021 Q3 | 2021-11-15 | Reduce | 1,134,106 | -3,106,382 | -73.3% | $48.4M | 0.03% |
| 2021 Q2 | 2021-08-16 | Add | 4,240,488 | 1,069,168 | +33.7% | $228.1M | 0.14% |
| 2021 Q1 | 2021-05-17 | Add | 3,171,320 | 2,757,558 | +666.5% | $160.0M | 0.11% |
| 2020 Q4 | 2021-02-16 | Reduce | 413,762 | -749,732 | -64.4% | $17.3M | 0.01% |
| 2020 Q3 | 2020-11-16 | Add | 1,163,494 | 759,884 | +188.3% | $32.1M | 0.04% |
| 2020 Q2 | 2020-08-14 | Reduce | 403,610 | -282,703 | -41.2% | $13.5M | 0.02% |
| 2020 Q1 | 2020-05-14 | Add | 686,313 | 646,693 | +1632.2% | $21.6M | 0.05% |
| 2019 Q4 | 2020-02-14 | Reduce | 39,620 | -365,827 | -90.2% | $1.9M | 0.00% |
| 2019 Q3 | 2019-11-14 | New | 405,447 | 405,447 | — | $18.3M | 0.03% |
| 2019 Q2 | 2019-08-15 | Sold out | — | -44,047 | -100.0% | — | — |
| 2019 Q1 | 2019-05-14 | New | 44,047 | 44,047 | — | $1.6M | 0.00% |
| 2018 Q4 | 2019-02-15 | Sold out | — | -36,515 | -100.0% | — | — |
| 2018 Q3 | 2018-11-14 | Reduce | 36,515 | -321,093 | -89.8% | $1.6M | 0.00% |
| 2018 Q2 | 2018-08-14 | Reduce | 357,608 | -1,495,556 | -80.7% | $20.9M | 0.03% |
| 2018 Q1 | 2018-05-15 | Reduce | 1,853,164 | -477,225 | -20.5% | $129.2M | 0.17% |
| 2017 Q4 | 2018-02-14 | Add | 2,330,389 | 1,130,969 | +94.3% | $140.1M | 0.19% |
| 2017 Q3 | 2017-11-14 | Add | 1,199,420 | 1,195,178 | +28174.9% | $78.3M | 0.12% |
| 2017 Q2 | 2017-08-14 | Reduce | 4,242 | -606,279 | -99.3% | $284.0K | 0.00% |
| 2017 Q1 | 2017-05-15 | Reduce | 610,521 | -31,831 | -5.0% | $38.1M | 0.07% |
| 2016 Q4 | 2017-02-14 | Add | 642,352 | 78,116 | +13.8% | $33.0M | 0.07% |
| 2016 Q3 | 2016-11-14 | New | 564,236 | 564,236 | — | $24.9M | 0.04% |
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.