ARK Investment Management (Cathie Wood) — PACB Trade History
Quarter-by-quarter changes in the Pacific Biosciences of California, Inc. position · CUSIP 69404D108
Currently held · 7.3 YearsFirst seen: 2017 Q3
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-08-14 | Reduce | 29,781,416 | -6,491,872 | -17.9% | $50.0M | 0.33% |
| 2026 Q1 | 2026-05-12 | Reduce | 36,273,288 | -990,940 | -2.7% | $47.9M | 0.37% |
| 2025 Q4 | 2026-02-11 | Add | 37,264,228 | 6,340,125 | +20.5% | $69.7M | 0.46% |
| 2025 Q3 | 2025-11-12 | Reduce | 30,924,103 | -5,374,060 | -14.8% | $39.6M | 0.24% |
| 2025 Q2 | 2025-07-30 | Reduce | 36,298,163 | -180,278 | -0.5% | $45.0M | 0.33% |
| 2025 Q1 | 2025-05-07 | Add | 36,478,441 | 434,079 | +1.2% | $43.0M | 0.43% |
| 2024 Q4 | 2025-02-04 | Add | 36,044,362 | 2,637,961 | +7.9% | $66.0M | 0.55% |
| 2024 Q3 | 2024-10-31 | Add | 33,406,401 | 193,947 | +0.6% | $56.8M | 0.52% |
| 2024 Q2 | 2024-07-26 | Reduce | 33,212,454 | -77,683 | -0.2% | $45.5M | 0.40% |
| 2024 Q1 | 2024-04-18 | Reduce | 33,290,137 | -1,214,136 | -3.5% | $124.8M | 0.86% |
| 2023 Q4 | 2024-01-17 | Add | 34,504,273 | 4,681,833 | +15.7% | $338.5M | 2.00% |
| 2023 Q3 | 2023-10-18 | Add | 29,822,440 | 3,187,820 | +12.0% | $249.0M | 1.91% |
| 2023 Q2 | 2023-07-10 | Reduce | 26,634,620 | -1,119,059 | -4.0% | $354.2M | 2.35% |
| 2023 Q1 | 2023-04-17 | Add | 27,753,679 | 2,061,998 | +8.0% | $321.4M | 2.21% |
| 2022 Q4 | 2023-01-24 | Reduce | 25,691,681 | -3,000,813 | -10.5% | $210.2M | 1.82% |
| 2022 Q3 | 2022-10-17 | Add | 28,692,494 | 646,964 | +2.3% | $166.6M | 1.16% |
| 2022 Q2 | 2022-07-11 | Add | 28,045,530 | 786,009 | +2.9% | $157.9M | 0.93% |
| 2022 Q1 | 2022-04-19 | Add | 27,259,521 | 876,418 | +3.3% | $248.1M | 1.03% |
| 2021 Q4 | 2022-01-28 | Add | 26,383,103 | 3,660,028 | +16.1% | $539.8M | 1.63% |
| 2021 Q3 | 2021-11-12 | Add | 22,723,075 | 2,241,589 | +10.9% | $580.6M | 1.39% |
| 2021 Q2 | 2021-08-05 | Reduce | 20,481,486 | -819,705 | -3.8% | $716.2M | 1.33% |
| 2021 Q1 | 2021-05-13 | Reduce | 21,301,191 | -7,203,438 | -25.3% | $709.5M | 1.41% |
| 2020 Q4 | 2021-02-12 | Add | 28,504,629 | 8,659,849 | +43.6% | $739.4M | 1.97% |
| 2020 Q3 | 2020-10-30 | Add | 19,844,780 | 11,613,288 | +141.1% | $195.9M | 1.16% |
| 2020 Q2 | 2020-08-11 | Add | 8,231,492 | 4,038,433 | +96.3% | $28.4M | 0.30% |
| 2020 Q1 | 2020-05-14 | Add | 4,193,059 | 2,683,645 | +177.8% | $12.8M | 0.32% |
| 2019 Q4 | 2020-01-31 | Add | 1,509,414 | 752,617 | +99.4% | $7.8M | 0.20% |
| 2019 Q3 | 2019-11-12 | New | 756,797 | 756,797 | — | $3.9M | 0.09% |
| 2019 Q2 | 2019-07-30 | New | — | — | — | — | — |
| 2019 Q1 | 2019-05-13 | Sold out | — | -590 | -100.0% | — | — |
| 2018 Q4 | 2019-02-11 | Reduce | 590 | -7,785,895 | -100.0% | $4.0K | — |
| 2018 Q3 | 2018-11-07 | Add | 7,786,485 | 1,465,192 | +23.2% | $42.1M | 1.27% |
| 2018 Q2 | 2018-08-07 | Add | 6,321,293 | 2,036,596 | +47.5% | $22.4M | 0.82% |
| 2018 Q1 | 2018-05-14 | Add | 4,284,697 | 4,070,780 | +1903.0% | $8.8M | 0.44% |
| 2017 Q4 | 2018-02-12 | Add | 213,917 | 179,192 | +516.0% | $565.0K | 0.04% |
| 2017 Q3 | 2017-11-09 | New | 34,725 | 34,725 | — | $182.0K | 0.02% |
| 2017 Q2 | 2017-08-11 | — | — | — | — | — | — |
| 2017 Q1 | 2017-05-15 | — | — | — | — | — | — |
| 2016 Q4 | 2017-02-13 | — | — | — | — | — | — |
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.