MPWR
MONOLITHIC POWER SYSTEMS, INC.
+8.19 (+0.71%)1,155.8USD167K成交股數56.8B市值70.6本益比(近四季)17.4股價營收比+47.6%營收年增(近四季)2026-10-29下次財報
內部人交易 SEC Form 4 · 董事、高階主管與持股 10% 以上股東 · 交易後兩個營業日內申報
買賣點與股價近一年
● 公開市場買進 · ● 公開市場賣出 · 空心 = 10b5-1 預設計畫(事先排程,不代表當下看法)。近一年,只畫 P / S 兩種代碼。
統計
| 近 90 天 買進筆數 · 金額 · 人數 | 0 · 0.00 · 0 |
|---|---|
| 近 90 天 賣出筆數 · 金額 · 人數 | 25 · 20.7M · 3 |
| 其中 10b5-1 計畫賣出 | 20 筆 |
| 近 180 天 買進 · 賣出金額 | 0.00 · 241M |
| 近 180 天 淨額 | −241M |
公開市場買進(P)是內部人自掏腰包,通常比賣出更有資訊含量 —— 賣出的理由很多(繳稅、分散、買房),買進的理由只有一個。
10b5-1 是事先排定的交易計畫,執行時點不反映當下看法。獲配股票(A)、繳稅扣股(F)、選擇權執行(M)是薪酬流程,不是意見。
| 交易日 | 申報日 | 申報人 | 職稱 | 代碼 | 股數 | 價格 | 金額 | 交易後持股 | 原件 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-08-31 | 09-02 | Tseng Saria | EVP & General Counsel | G 贈與 | 2.0K | – | – | 142K | SEC |
| 2026-08-31 | 09-02 | Tseng Saria | EVP & General Counsel | G 贈與 | 2.0K | – | – | 2.0K | SEC |
| 2026-08-24 | 08-26 | DEAN ROBERT W II | Interim CFO | J 其他 | 5 | – | – | 7.1K | SEC |
| 2026-08-24 | 08-26 | DEAN ROBERT W II | Interim CFO | S 公開市場賣出 | 32 | 1,297.7 | 42K | 7.1K | SEC |
| 2026-08-24 | 08-25 | CHANG KUO WEI HERBERT | Director | S 公開市場賣出 | 50 | 1,281.6 | 64K | 515 | SEC |
| 2026-08-17 | 08-19 | DEAN ROBERT W II | Interim CFO | S 公開市場賣出 | 6 | 1,413.6 | 8K | 7.1K | SEC |
| 2026-08-11 | 08-13 | CHANG KUO WEI HERBERT | Director | S 公開市場賣出 | 50 | 1,420.0 | 71K | 565 | SEC |
| 2026-08-05 | 08-06 | DEAN ROBERT W II | Interim CFO | S 公開市場賣出 | 105 | 1,344.3 | 141K | 7.1K | SEC |
| 2026-08-04 | 08-06 | Sciammas Maurice | EVP, WW Sales & Marketing | G 贈與 | 25.0K | – | – | 36.1K | SEC |
| 2026-08-04 | 08-06 | Sciammas Maurice | EVP, WW Sales & Marketing | G 贈與 | 25.0K | – | – | 127K | SEC |
| 2026-08-03 | 08-05 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 30 | 1,343.9 | 40K | 1.1K | SEC |
| 2026-07-25 | 07-28 | DEAN ROBERT W II | Interim CFO | A 獲配股票 | 1.4K | – | – | 7.2K | SEC |
| 2026-07-15 | 07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 274 | 1,318.4 | 361K | 166K | SEC |
| 2026-07-15 | 07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 1.9K | 1,344.2 | 2.5M | 161K | SEC |
| 2026-07-15 | 07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 213 | 1,396.2 | 297K | 152K | SEC |
| 2026-07-15 | 07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 1.5K | 1,348.9 | 2.0M | 159K | SEC |
| 2026-07-15 | 07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 240 | 1,369.2 | 329K | 153K | SEC |
| 2026-07-15 | 07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 117 | 1,400.5 | 164K | 152K | SEC |
| 2026-07-15 | 07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 50 | 1,359.4 | 68K | 154K | SEC |
| 2026-07-15 | 07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 5.6K | 1,353.0 | 7.6M | 154K | SEC |
| 2026-07-15 | 07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 1.5K | 1,339.6 | 2.0M | 163K | SEC |
| 2026-07-15 | 07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 464 | 1,329.3 | 617K | 165K | SEC |
| 2026-07-15 | 07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 409 | 1,323.9 | 541K | 165K | SEC |
| 2026-07-15 | 07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 776 | 1,334.6 | 1.0M | 164K | SEC |
| 2026-07-15 | 07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 50 | 1,388.2 | 69K | 152K | SEC |
| 2026-07-15 | 07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 472 | 1,375.5 | 649K | 153K | SEC |
| 2026-07-15 | 07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 527 | 1,314.0 | 692K | 166K | SEC |
| 2026-07-15 | 07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 110 | 1,405.7 | 155K | 152K | SEC |
| 2026-07-15 | 07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 410 | 1,384.1 | 567K | 152K | SEC |
| 2026-07-15 | 07-17 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 418 | 1,378.7 | 576K | 153K | SEC |
| 2026-07-01 | 07-06 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 30 | 1,351.6 | 41K | 1.1K | SEC |
| 2026-06-01 | 06-03 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 30 | 1,534.0 | 46K | 1.2K | SEC |
| 2026-05-29 | 06-02 | Sciammas Maurice | EVP, WW Sales & Marketing | G 贈與 | 12.5K | – | – | 12.6K | SEC |
| 2026-05-27 | 05-29 | Tseng Saria | EVP & General Counsel | S 公開市場賣出 | 7.6K | 1,700.0 | 12.9M | 144K | SEC |
| 2026-05-26 | 05-28 | DEAN ROBERT W II | Interim CFO | S 公開市場賣出 | 22 | 1,649.6 | 36K | 5.9K | SEC |
| 2026-05-26 | 05-27 | Zhou Jeff | Director | S 公開市場賣出 | 486 | 1,680.0 | 816K | 3.8K | SEC |
| 2026-05-22 | 05-27 | Tseng Saria | EVP & General Counsel | S 公開市場賣出 | 5.0K | 1,586.4 | 7.9M | 152K | SEC |
| 2026-05-22 | 05-27 | Tseng Saria | EVP & General Counsel | G 贈與 | 200 | – | – | 157K | SEC |
| 2026-05-18 | 05-20 | Hsing Michael | CEO | S 公開市場賣出 | 3.4K | 1,462.6 | 5.0M | 885K | SEC |
| 2026-05-18 | 05-20 | Hsing Michael | CEO | S 公開市場賣出 | 862 | 1,491.5 | 1.3M | 857K | SEC |
| 2026-05-18 | 05-20 | Hsing Michael | CEO | S 公開市場賣出 | 3.8K | 1,507.7 | 5.7M | 849K | SEC |
| 2026-05-18 | 05-20 | Hsing Michael | CEO | S 公開市場賣出 | 6.7K | 1,486.8 | 9.9M | 857K | SEC |
| 2026-05-18 | 05-20 | Hsing Michael | CEO | S 公開市場賣出 | 2.9K | 1,503.1 | 4.4M | 853K | SEC |
| 2026-05-18 | 05-20 | Hsing Michael | CEO | S 公開市場賣出 | 352 | 1,518.2 | 534K | 848K | SEC |
| 2026-05-18 | 05-20 | Hsing Michael | CEO | S 公開市場賣出 | 130 | 1,521.4 | 198K | 848K | SEC |
| 2026-05-18 | 05-20 | Hsing Michael | CEO | S 公開市場賣出 | 5.8K | 1,467.6 | 8.5M | 879K | SEC |
| 2026-05-18 | 05-20 | Hsing Michael | CEO | S 公開市場賣出 | 5.0K | 1,472.8 | 7.4M | 874K | SEC |
| 2026-05-18 | 05-20 | Hsing Michael | CEO | S 公開市場賣出 | 4.1K | 1,477.0 | 6.0M | 870K | SEC |
| 2026-05-18 | 05-20 | Hsing Michael | CEO | S 公開市場賣出 | 5.7K | 1,482.5 | 8.5M | 864K | SEC |
| 2026-05-18 | 05-20 | Hsing Michael | CEO | S 公開市場賣出 | 608 | 1,499.5 | 912K | 856K | SEC |
| 2026-05-18 | 05-20 | Hsing Michael | CEO | S 公開市場賣出 | 551 | 1,513.1 | 834K | 849K | SEC |
| 2026-05-18 | 05-20 | DEAN ROBERT W II | Interim CFO | S 公開市場賣出 | 4 | 1,563.3 | 6K | 5.9K | SEC |
| 2026-05-15 | 05-19 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 447 | 1,582.2 | 707K | 167K | SEC |
| 2026-05-15 | 05-19 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 3.7K | 1,550.4 | 5.8M | 175K | SEC |
| 2026-05-15 | 05-19 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 2.0K | 1,567.2 | 3.2M | 169K | SEC |
| 2026-05-15 | 05-19 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 50 | 1,585.5 | 79K | 167K | SEC |
| 2026-05-15 | 05-19 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 2.0K | 1,562.0 | 3.1M | 171K | SEC |
| 2026-05-15 | 05-19 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 1.7K | 1,557.5 | 2.7M | 173K | SEC |
| 2026-05-15 | 05-19 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 1.3K | 1,571.5 | 2.1M | 168K | SEC |
| 2026-05-15 | 05-19 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出(10b5-1) | 703 | 1,577.8 | 1.1M | 167K | SEC |
| 2026-05-13 | 05-15 | Sciammas Maurice | EVP, WW Sales & Marketing | G 贈與 | 1.6K | – | – | 25.1K | SEC |
| 2026-05-13 | 05-15 | DEAN ROBERT W II | Interim CFO | J 其他 | 2.2K | – | – | 5.9K | SEC |
| 2026-05-13 | 05-15 | Sciammas Maurice | EVP, WW Sales & Marketing | G 贈與 | 1.6K | – | – | 51.0K | SEC |
| 2026-05-06 | 05-08 | Elmiger Eugen J | Director | S 公開市場賣出 | 814 | 1,566.4 | 1.3M | 16.3K | SEC |
| 2026-05-06 | 05-08 | Wynne Eileen | Director | S 公開市場賣出 | 335 | 1,582.7 | 530K | 1.0K | SEC |
| 2026-05-06 | 05-08 | Elmiger Eugen J | Director | S 公開市場賣出 | 1.9K | 1,581.8 | 3.0M | 12.5K | SEC |
| 2026-05-06 | 05-08 | Elmiger Eugen J | Director | S 公開市場賣出 | 1.4K | 1,591.4 | 2.2M | 8.5K | SEC |
| 2026-05-06 | 05-08 | Elmiger Eugen J | Director | S 公開市場賣出 | 1.1K | 1,571.6 | 1.7M | 15.2K | SEC |
| 2026-05-06 | 05-08 | Xiao Deming | EVP, Global Operations | S 公開市場賣出 | 907 | 1,661.4 | 1.5M | 206K | SEC |
| 2026-05-06 | 05-08 | Elmiger Eugen J | Director | S 公開市場賣出 | 2.6K | 1,586.8 | 4.1M | 9.9K | SEC |
| 2026-05-06 | 05-08 | Elmiger Eugen J | Director | S 公開市場賣出 | 2.6K | 1,596.4 | 4.2M | 5.9K | SEC |
| 2026-05-06 | 05-08 | Elmiger Eugen J | Director | S 公開市場賣出 | 320 | 1,559.9 | 499K | 17.1K | SEC |
| 2026-05-06 | 05-08 | Elmiger Eugen J | Director | S 公開市場賣出 | 514 | 1,600.1 | 822K | 5.4K | SEC |
| 2026-05-06 | 05-08 | Xiao Deming | EVP, Global Operations | S 公開市場賣出 | 14.2K | 1,652.8 | 23.4M | 218K | SEC |
| 2026-05-06 | 05-08 | Xiao Deming | EVP, Global Operations | S 公開市場賣出 | 11.6K | 1,657.9 | 19.2M | 207K | SEC |
| 2026-05-06 | 05-08 | Elmiger Eugen J | Director | S 公開市場賣出 | 834 | 1,575.6 | 1.3M | 14.4K | SEC |
| 2026-05-06 | 05-08 | Xiao Deming | EVP, Global Operations | S 公開市場賣出 | 3.3K | 1,648.4 | 5.5M | 233K | SEC |
| 2026-05-06 | 05-06 | Zhou Jeff | Director | S 公開市場賣出 | 500 | 1,650.0 | 825K | 4.3K | SEC |
| 2026-05-05 | 05-06 | Zhou Jeff | Director | S 公開市場賣出 | 500 | 1,600.0 | 800K | 4.8K | SEC |
| 2026-05-05 | 05-06 | Sciammas Maurice | EVP, WW Sales & Marketing | S 公開市場賣出 | 380 | 1,583.8 | 602K | 919 | SEC |
機構持股(13F) 管理規模 1 億美元以上的機構,每季末後 45 天內申報 · 最新 2026-06-30
前 25 大持有機構季末市值 · 與前一季股數比較
| 機構 | 持股 | 季末市值 | 股數季變化 | 動作 |
|---|---|---|---|---|
| BlackRock, Inc. | 5.6M | 7.7B | 新進 | 新進 |
| FMR LLC | 5.2M | 7.2B | 新進 | 新進 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.1M | 4.3B | 新進 | 新進 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.5M | 3.5B | 新進 | 新進 |
| Invesco Ltd. | 2.3M | 3.2B | 新進 | 新進 |
| STATE STREET CORP | 2.3M | 3.2B | 新進 | 新進 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.2M | 1.6B | 新進 | 新進 |
| FRANKLIN RESOURCES INC | 812K | 1.1B | 新進 | 新進 |
| GOLDMAN SACHS GROUP INC | 781K | 1.1B | 新進 | 新進 |
| 挪威主權基金 NORGES BANK | 751K | 1.0B | 新進 | 新進 |
| VAN ECK ASSOCIATES CORP | 746K | 1.0B | 新進 | 新進 |
| MORGAN STANLEY | 728K | 1.0B | 新進 | 新進 |
| BANK OF AMERICA CORP /DE/ | 536K | 741M | 新進 | 新進 |
| ROYAL BANK OF CANADA | 487K | 674M | 新進 | 新進 |
| FIRST TRUST ADVISORS LP | 483K | 667M | 新進 | 新進 |
| NORTHERN TRUST CORP | 479K | 663M | 新進 | 新進 |
| BARCLAYS PLC | 474K | 655M | 新進 | 新進 |
| Rafferty Asset Management, LLC | 459K | 635M | 新進 | 新進 |
| UBS Group AG | 449K | 621M | 新進 | 新進 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 442K | 611M | 新進 | 新進 |
| JPMORGAN CHASE & CO | 435K | 571M | 新進 | 新進 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 389K | 538M | 新進 | 新進 |
| Legal & General Group Plc | 360K | 498M | 新進 | 新進 |
| VOYA INVESTMENT MANAGEMENT LLC | 340K | 470M | 新進 | 新進 |
| CITIGROUP INC | 325K | 450M | 新進 | 新進 |
持有機構數近 12 季
每季 13F 申報中持有本股的機構家數;綠柱 = 比上季少。機構數是「有多少人在船上」,不是「買了多少」。
| 持有機構 · 季變化 | 1,244 +122 |
|---|---|
| 新進 / 出清 / 加碼 / 減碼 | 1244 / 0 / 0 / 0 |
| 機構合計持股 · 佔流通股 | 47.6M · 96.9% |
| 合計季末市值 | 62.8B |
13F 只申報多頭部位(含可轉債與選擇權,選擇權這裡已排除),不申報放空,也不申報 1 億美元以下的機構。同一集團多個申報主體會各算一家。
放空餘額 FINRA 每月兩次(15 日與月底結算)· 最新 2026-08-31
空單佔流通股近 13 個月
FINRA 每月兩次結算的空單餘額佔流通股數的比例,近 13 個月。滑到柱子看股數與回補天數。
最新一期
| 空單股數 | 2.0M |
|---|---|
| 與上期比 | +8.6% |
| 佔流通股數 | 4.07% |
| 日均成交量 | 603K |
| 回補天數 | 3.3 天 |
空單佔比 10% 以上算高、20% 以上算很高(這是通行的說法,不是本站的判斷)。回補天數 = 空單 ÷ 日均量,天數愈長,空方要出場時愈容易推升股價。
放空餘額是「有人借股票賣掉還沒還」的存量,不代表看空的人正在加碼;避險基金做多空配對時也會產生空單。
| 結算日 | 空單股數 | 與上期比 | 佔流通股 | 日均量 | 回補天數 |
|---|---|---|---|---|---|
| 2026-08-31 | 2.0M | +8.6% | 4.07% | 603K | 3.3 |
| 2026-08-14 | 1.8M | -13.3% | 3.74% | 673K | 2.7 |
| 2026-07-31 | 2.1M | -13.6% | 4.32% | 998K | 2.1 |
| 2026-07-15 | 2.5M | +11.0% | 5.00% | 919K | 2.7 |
| 2026-06-30 | 2.2M | -5.7% | 4.51% | 1.5M | 1.5 |
| 2026-06-15 | 2.3M | +1.2% | 4.78% | 772K | 3.0 |
| 2026-05-29 | 2.3M | +17.4% | 4.72% | 710K | 3.3 |
| 2026-05-15 | 2.0M | +14.8% | 4.02% | 644K | 3.1 |
| 2026-04-30 | 1.7M | -5.7% | 3.50% | 623K | 2.8 |
| 2026-04-15 | 1.8M | -8.1% | 3.71% | 539K | 3.4 |
| 2026-03-31 | 2.0M | -0.1% | 4.04% | 536K | 3.7 |
| 2026-03-13 | 2.0M | -3.2% | 4.05% | 564K | 3.5 |
| 2026-02-27 | 2.1M | -2.2% | 4.18% | 452K | 4.5 |
| 2026-02-13 | 2.1M | -8.9% | 4.27% | 844K | 2.5 |
| 2026-01-30 | 2.3M | -0.4% | 4.69% | 616K | 3.7 |
| 2026-01-15 | 2.3M | -19.0% | 4.71% | 522K | 4.4 |
| 2025-12-31 | 2.9M | +65.0% | 5.81% | 918K | 3.1 |
| 2025-12-15 | 1.7M | -6.5% | 3.52% | 523K | 3.3 |
| 2025-11-28 | 1.9M | +3.0% | 3.77% | 733K | 2.5 |
| 2025-11-14 | 1.8M | +7.7% | 3.66% | 664K | 2.7 |
| 2025-10-31 | 1.7M | -11.4% | 3.39% | 685K | 2.4 |
| 2025-10-15 | 1.9M | -8.3% | 3.83% | 568K | 3.3 |
| 2025-09-30 | 2.1M | +26.7% | 4.17% | 502K | 4.1 |
| 2025-09-15 | 1.6M | -15.7% | 3.29% | 464K | 3.5 |
| 2025-08-29 | 1.9M | -17.2% | 3.91% | 483K | 4.0 |
| 2025-08-15 | 2.3M | -3.4% | 4.72% | 747K | 3.1 |