Monolithic Power Systems shares owned by Tower Research Capital
Quarter-by-quarter ownership of Monolithic Power Systems (MPWR) shares owned by Tower Research Capital
from 13F filings
Historical chart of Tower Research Capital investment in Monolithic Power Systems
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Quarterly reported holdings in Monolithic Power Systems by Tower Research Capital
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-12-31 | $8.5M | 9.4k | 906.36 |
| 2025-09-30 | $2.4M | 2.6k | 920.64 |
| 2025-06-30 | $323k | 442 | 731.38 |
| 2025-03-31 | $379k | 654 | 579.98 |
| 2024-12-31 | $4.4M | 7.4k | 591.70 |
| 2024-09-30 | $2.1M | 2.3k | 924.50 |
| 2024-06-30 | $2.1M | 2.5k | 821.68 |
| 2024-03-31 | $1.1M | 1.7k | 677.42 |
| 2023-09-30 | $2.2M | 4.9k | 462.00 |
| 2023-06-30 | $830k | 1.5k | 540.23 |
| 2023-03-31 | $282k | 563 | 501.31 |
| 2022-12-31 | $3.3M | 9.3k | 353.55 |
| 2022-09-30 | $4.5M | 12k | 363.37 |
| 2022-06-30 | $4.5M | 12k | 384.06 |
| 2022-03-31 | $11M | 23k | 485.70 |
| 2021-12-31 | $2.2M | 4.4k | 493.37 |
| 2021-09-30 | $1.1M | 2.2k | 485.02 |
| 2021-06-30 | $380k | 1.0k | 372.48 |
| 2021-03-31 | $1.6M | 4.0k | 400.00 |
| 2020-12-31 | $670k | 1.8k | 366.12 |
| 2020-09-30 | $2.1M | 7.5k | 279.65 |
| 2020-06-30 | $1.8M | 7.7k | 236.88 |
| 2020-03-31 | $428k | 2.6k | 165.00 |
| 2019-12-31 | $9.0k | 50 | 180.00 |
| 2019-09-30 | $358k | 2.3k | 155.84 |
| 2019-06-30 | $75k | 553 | 135.62 |
| 2019-03-31 | $617k | 4.6k | 134.93 |
| 2018-09-30 | $412k | 3.4k | 122.58 |
| 2018-06-30 | $275k | 2.1k | 133.61 |
| 2018-03-31 | $172k | 1.5k | 116.06 |
| 2017-12-31 | $22k | 198 | 111.11 |
| 2017-09-30 | $395k | 3.7k | 107.14 |
| 2017-03-31 | $17k | 188 | 90.43 |
| 2016-12-31 | $16k | 194 | 82.47 |
| 2016-09-30 | $38k | 478 | 79.50 |
| 2016-06-30 | $204k | 2.2k | 90.91 |
| 2015-12-31 | $25k | 390 | 64.10 |
| 2015-09-30 | $33k | 648 | 50.93 |
| 2015-06-30 | $27k | 538 | 49.45 |
| 2015-03-31 | $61k | 1.1k | 53.82 |
| 2014-09-30 | $18k | 417 | 43.17 |
| 2014-06-30 | $999 | 30 | 33.33 |
| 2013-12-31 | $22k | 622 | 35.37 |
| 2013-09-30 | $18k | 559 | 31.45 |
| 2013-06-30 | $80k | 3.3k | 24.21 |