Citadel Advisors (Ken Griffin) — MPWR Trade History
Quarter-by-quarter changes in the MONOLITHIC PWR SYS INC position · CUSIP 609839105
Currently held · 4.5 YearsFirst seen: 2016 Q4
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-09-02 | Add | 63,487 | 49,975 | +369.9% | $87.8M | 0.01% |
| 2026 Q1 | 2026-05-15 | Add | 13,512 | 2,283 | +20.3% | $14.8M | 0.00% |
| 2025 Q4 | 2026-02-17 | Reduce | 11,229 | -249,237 | -95.7% | $10.2M | 0.00% |
| 2025 Q3 | 2025-11-14 | Add | 260,466 | 252,816 | +3304.8% | $239.8M | 0.04% |
| 2025 Q2 | 2025-08-14 | Add | 7,650 | 6,875 | +887.1% | $5.6M | 0.00% |
| 2025 Q1 | 2025-05-15 | Reduce | 775 | -130,335 | -99.4% | $449.5K | — |
| 2024 Q4 | 2025-02-14 | Add | 131,110 | 128,756 | +5469.7% | $77.6M | 0.01% |
| 2024 Q3 | 2024-11-14 | Reduce | 2,354 | -2,399 | -50.5% | $2.2M | — |
| 2024 Q2 | 2024-08-14 | Reduce | 4,753 | -14,718 | -75.6% | $3.9M | 0.00% |
| 2024 Q1 | 2024-05-15 | Add | 19,471 | 6,070 | +45.3% | $13.2M | 0.00% |
| 2023 Q4 | 2024-02-14 | Reduce | 13,401 | -46,643 | -77.7% | $8.5M | 0.00% |
| 2023 Q3 | 2023-11-14 | Add | 60,044 | 58,374 | +3495.4% | $27.7M | 0.01% |
| 2023 Q2 | 2023-08-14 | Reduce | 1,670 | -175,677 | -99.1% | $902.2K | — |
| 2023 Q1 | 2023-05-15 | Add | 177,347 | 174,965 | +7345.3% | $88.8M | 0.02% |
| 2022 Q4 | 2023-02-14 | Reduce | 2,382 | -145,401 | -98.4% | $842.3K | — |
| 2022 Q3 | 2022-11-14 | Reduce | 147,783 | -7,903 | -5.1% | $53.7M | 0.01% |
| 2022 Q2 | 2022-08-15 | Reduce | 155,686 | -140,528 | -47.4% | $59.8M | 0.01% |
| 2022 Q1 | 2022-05-16 | New | 296,214 | 296,214 | — | $143.9M | 0.03% |
| 2021 Q3 | 2022-03-11 | Sold out | — | -34,876 | -100.0% | — | — |
| 2021 Q4 | 2022-02-14 | Reduce | 34,876 | -249,228 | -87.7% | $17.2M | 0.00% |
| 2021 Q2 | 2021-08-16 | Add | 284,104 | 223,243 | +366.8% | $106.1M | 0.02% |
| 2021 Q1 | 2021-05-21 | Reduce | 60,861 | -34,106 | -35.9% | $21.5M | 0.01% |
| 2020 Q4 | 2021-02-16 | New | 94,967 | 94,967 | — | $34.8M | 0.01% |
| 2020 Q3 | 2020-11-16 | Sold out | — | -25,824 | -100.0% | — | — |
| 2020 Q2 | 2020-08-14 | Reduce | 25,824 | -192,043 | -88.1% | $6.1M | 0.00% |
| 2020 Q1 | 2020-05-15 | Add | 217,867 | 16,034 | +7.9% | $36.5M | 0.02% |
| 2019 Q4 | 2020-02-14 | New | 201,833 | 201,833 | — | $35.9M | 0.02% |
| 2019 Q2 | 2020-02-14 | — | — | — | — | — | — |
| 2018 Q4 | 2019-11-14 | Sold out | — | -45,958 | -100.0% | — | — |
| 2019 Q3 | 2019-11-14 | New | 45,958 | 45,958 | — | $7.2M | 0.00% |
| 2018 Q2 | 2019-08-14 | — | — | — | — | — | — |
| 2018 Q3 | 2019-05-15 | Sold out | — | -25,379 | -100.0% | — | — |
| 2019 Q1 | 2019-05-15 | New | 25,379 | 25,379 | — | $3.4M | 0.00% |
| 2018 Q1 | 2019-02-14 | Sold out | — | -23,120 | -100.0% | — | — |
| 2017 Q4 | 2018-02-09 | Reduce | 23,120 | -28,129 | -54.9% | $2.6M | 0.00% |
| 2017 Q3 | 2017-11-09 | Add | 51,249 | 43,503 | +561.6% | $5.5M | 0.00% |
| 2017 Q2 | 2017-08-11 | Add | 7,746 | 3,355 | +76.4% | $747.0K | 0.00% |
| 2017 Q1 | 2017-05-12 | Reduce | 4,391 | -22,257 | -83.5% | $404.0K | — |
| 2016 Q4 | 2017-02-10 | New | 26,648 | 26,648 | — | $2.2M | 0.00% |
| 2015 Q4 | 2017-01-31 | — | — | — | — | — | — |
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.