| MONOLITHIC POWER SYSTEMS INC (MPWR) | |||||||||||||||||||||||||||||||||||||||||||||||||
| Q1-CY2026 | Q4-CY2025 | Q3-CY2025 | Q2-CY2025 | Q1-CY2025 | Q4-CY2024 | Q3-CY2024 | Q2-CY2024 | Q1-CY2024 | Q4-CY2023 | Q3-CY2023 | Q2-CY2023 | Q1-CY2023 | Q4-CY2022 | Q3-CY2022 | Q2-CY2022 | Q1-CY2022 | Q4-CY2021 | Q3-CY2021 | Q2-CY2021 | Q1-CY2021 | Q4-CY2020 | Q3-CY2020 | Q2-CY2020 | Q1-CY2020 | Q4-CY2019 | Q3-CY2019 | Q2-CY2019 | Q1-CY2019 | Q4-CY2018 | Q3-CY2018 | Q2-CY2018 | Q1-CY2018 | Q4-CY2017 | Q3-CY2017 | Q2-CY2017 | Q1-CY2017 | Q4-CY2016 | Q3-CY2016 | Q2-CY2016 | Q1-CY2016 | Q4-CY2015 | Q3-CY2015 | Q2-CY2015 | Q1-CY2015 | Q4-CY2014 | Q3-CY2014 | Q2-CY2014 | Q1-CY2014 | |
| Balance Sheet Date | 2025-Dec-31 | 2025-Sep-30 | 2025-Jun-30 | 2025-Mar-31 | 2024-Dec-31 | 2024-Sep-30 | 2024-Jun-30 | 2024-Mar-31 | 2023-Dec-31 | 2023-Sep-30 | 2023-Jun-30 | 2023-Mar-31 | 2022-Dec-31 | 2022-Sep-30 | 2022-Jun-30 | 2022-Mar-31 | 2021-Dec-31 | 2021-Sep-30 | 2021-Jun-30 | 2021-Mar-31 | 2020-Dec-31 | 2020-Sep-30 | 2020-Jun-30 | 2020-Mar-31 | 2019-Dec-31 | 2019-Sep-30 | 2019-Jun-30 | 2019-Mar-31 | 2018-Dec-31 | 2018-Sep-30 | 2018-Jun-30 | 2018-Mar-31 | 2017-Dec-31 | 2017-Sep-30 | 2017-Jun-30 | 2017-Mar-31 | 2016-Dec-31 | 2016-Sep-30 | 2016-Jun-30 | 2016-Mar-31 | 2015-Dec-31 | 2015-Sep-30 | 2015-Jun-30 | 2015-Mar-31 | 2014-Dec-31 | 2014-Sep-30 | 2014-Jun-30 | 2014-Mar-31 | |
| Fiscal Period | Q4-FY2025 | Q3-FY2025 | Q2-FY2025 | Q1-FY2025 | Q4-FY2024 | Q3-FY2024 | Q2-FY2024 | Q1-FY2024 | Q4-FY2023 | Q3-FY2023 | Q2-FY2023 | Q1-FY2023 | Q4-FY2022 | Q3-FY2022 | Q2-FY2022 | Q1-FY2022 | Q4-FY2021 | Q3-FY2021 | Q2-FY2021 | Q1-FY2021 | Q4-FY2020 | Q3-FY2020 | Q2-FY2020 | Q1-FY2020 | Q4-FY2019 | Q3-FY2019 | Q2-FY2019 | Q1-FY2019 | Q4-FY2018 | Q3-FY2018 | Q2-FY2018 | Q1-FY2018 | Q4-FY2017 | Q3-FY2017 | Q2-FY2017 | Q1-FY2017 | Q4-FY2016 | Q3-FY2016 | Q2-FY2016 | Q1-FY2016 | Q4-FY2015 | Q3-FY2015 | Q2-FY2015 | Q1-FY2015 | Q4-FY2014 | Q3-FY2014 | Q2-FY2014 | Q1-FY2014 | |
| Operating Cash Flow | 104,910,000$ | 239,268,000$ | 237,637,000$ | 256,387,000$ | 167,681,000$ | 231,703,000$ | 140,975,000$ | 248,051,000$ | 153,313,000$ | 175,908,000$ | 90,185,000$ | 218,807,000$ | 52,203,000$ | (18,185,000$) | 105,237,000$ | 107,419,000$ | 28,206,000$ | 117,801,000$ | 96,946,000$ | 77,057,000$ | 79,648,000$ | 77,406,000$ | 59,330,000$ | 51,419,000$ | 60,986,000$ | 72,424,000$ | 44,057,000$ | 38,836,000$ | 47,590,000$ | 52,151,000$ | 25,418,000$ | 16,292,000$ | 53,373,000$ | 24,878,000$ | 21,892,000$ | 30,999,000$ | |||||||||||||
| Investing Cash Flow | (11,551,000$) | 127,565,000$ | (15,798,000$) | (257,485,000$) | 519,175,000$ | (26,762,000$) | (3,351,000$) | (266,015,000$) | 33,969,000$ | (212,958,000$) | (12,051,000$) | 12,314,000$ | (50,179,000$) | 31,000,000$ | 18,282,000$ | (11,613,000$) | (39,748,000$) | (86,930,000$) | (69,342,000$) | (182,866,000$) | 94,260,000$ | (37,316,000$) | (31,663,000$) | (64,458,000$) | (79,003,000$) | (46,039,000$) | (11,289,000$) | (30,781,000$) | 7,055,000$ | 8,057,000$ | (4,650,000$) | (25,202,000$) | (66,232,000$) | (22,468,000$) | (51,243,000$) | (18,054,000$) | |||||||||||||
| Purchases of Property and Equipment | 41,013,000$ | 42,515,000$ | 48,143,000$ | 40,342,000$ | 64,802,000$ | 33,818,000$ | 31,507,000$ | 15,991,000$ | 13,806,000$ | 27,091,000$ | 7,827,000$ | 8,854,000$ | 12,841,000$ | 7,281,000$ | 11,844,000$ | 26,877,000$ | 17,571,000$ | 18,581,000$ | 39,298,000$ | 18,970,000$ | 11,481,000$ | 19,594,000$ | 14,584,000$ | 9,951,000$ | 8,677,000$ | 9,491,000$ | 19,262,000$ | 58,376,000$ | 4,469,000$ | 5,059,000$ | 5,598,000$ | 7,400,000$ | 40,662,000$ | 4,580,000$ | 17,104,000$ | 3,424,000$ | 8,076,000$ | 10,358,000$ | 13,332,000$ | 5,346,000$ | 7,614,000$ | 1,755,000$ | 1,952,000$ | 4,703,000$ | 1,781,000$ | 1,772,000$ | 1,442,000$ | 4,516,000$ | |
| Financing Cash Flow | (77,296,000$) | (73,240,000$) | (79,411,000$) | (55,916,000$) | (685,374,000$) | (63,215,000$) | (73,637,000$) | (50,001,000$) | (54,414,000$) | (47,107,000$) | (49,952,000$) | (32,252,000$) | (35,856,000$) | (32,562,000$) | (36,118,000$) | (24,249,000$) | (27,249,000$) | (24,808,000$) | (27,156,000$) | (10,993,000$) | (21,919,000$) | (19,312,000$) | (26,270,000$) | (4,056,000$) | (17,043,000$) | (14,318,000$) | (15,928,000$) | (761,000$) | (12,890,000$) | (10,532,000$) | (12,170,000$) | 1,033,000$ | (8,641,000$) | (8,568,000$) | (6,986,000$) | (8,075,000$) | |||||||||||||
| End Cash Position | 1,099,302,000$ | 1,081,251,000$ | 787,382,000$ | 637,354,000$ | 691,816,000$ | 700,347,000$ | 550,475,000$ | 488,273,000$ | 527,843,000$ | 421,178,000$ | 506,959,000$ | 488,972,000$ | 288,607,000$ | 316,210,000$ | 342,867,000$ | 260,604,000$ | 189,265,000$ | 226,091,000$ | 220,210,000$ | 218,368,000$ | 334,944,000$ | 179,466,000$ | 156,483,000$ | 154,880,000$ | 172,960,000$ | 205,229,000$ | 197,012,000$ | 181,769,000$ | 172,704,000$ | 131,094,000$ | 83,075,000$ | 76,016,000$ | 82,759,000$ | 104,424,000$ | 71,110,000$ | 76,826,000$ | 112,703,000$ | 109,479,000$ | 82,046,000$ | 77,808,000$ | 90,860,000$ | 76,616,000$ | 80,868,000$ | 95,966,000$ | 126,266,000$ | 101,812,000$ | 107,863,000$ | 88,885,000$ | |
| Exchange Rate Effect | 2,065,000$ | 276,000$ | 7,614,000$ | 2,555,000$ | (10,022,000$) | 8,155,000$ | (1,785,000$) | (4,818,000$) | 7,013,000$ | (1,627,000$) | (10,193,000$) | 1,497,000$ | 6,236,000$ | (6,913,000$) | (5,142,000$) | (220,000$) | 1,969,000$ | (184,000$) | 1,397,000$ | 218,000$ | 3,494,000$ | 2,209,000$ | 208,000$ | (985,000$) | 1,633,000$ | (2,691,000$) | (1,595,000$) | 1,770,000$ | (146,000$) | (1,655,000$) | (1,544,000$) | 1,137,000$ | (165,000$) | 881,000$ | 449,000$ | 460,000$ | |||||||||||||
| Dividends Paid | 74,819,000$ | 74,905,000$ | 75,065,000$ | 60,008,000$ | 61,857,000$ | 61,158,000$ | 68,055,000$ | 49,553,000$ | 50,579,000$ | 49,402,000$ | 49,138,000$ | 36,725,000$ | 36,401,000$ | 36,270,000$ | 36,469,000$ | 28,825,000$ | 28,639,000$ | 28,503,000$ | 28,755,000$ | 23,467,000$ | 23,309,000$ | 23,210,000$ | 24,840,000$ | 17,427,000$ | 18,653,000$ | 17,857,000$ | 12,761,000$ | 13,094,000$ | 12,914,000$ | ||||||||||||||||||||
| Unlevered Free Cash Flow | 63,897,000$ | 196,753,000$ | 189,494,000$ | 216,045,000$ | 102,879,000$ | 197,885,000$ | 109,468,000$ | 232,060,000$ | 139,507,000$ | 148,817,000$ | 82,358,000$ | 209,953,000$ | 39,362,000$ | (25,466,000$) | 93,393,000$ | 80,542,000$ | 10,635,000$ | 99,220,000$ | 57,648,000$ | 58,087,000$ | 68,167,000$ | 57,812,000$ | 44,746,000$ | 41,468,000$ | 52,309,000$ | 62,933,000$ | 24,795,000$ | (19,540,000$) | 43,121,000$ | 47,092,000$ | 19,820,000$ | 8,892,000$ | 12,711,000$ | 7,774,000$ | 18,468,000$ | 22,923,000$ | |||||||||||||