<p>Stephens Investment Management Group LLC 在最近向证券交易委员会（SEC）提交的 13F 表格中表示，在第四季度收购了 Monolithic Power Systems, Inc.（NASDAQ:MPWR - 免费报告）的新头寸。这家机构投资者收购了 11,836 股该半导体公司的股票，价值约为 10,728,000 美元。</p>
<ul>
<li>Monolithic Power Systems：AI 股票超越，财报后上调评级</li>
</ul>
<p>其他一些大型投资者也调整了对该股票的持有。Thurston Springer Miller Herd &amp; Titak Inc. 在第四季度收购了价值约 34,000 美元的 Monolithic Power Systems 新股份。IFP Advisors Inc 在第三季度将其在 Monolithic Power Systems 的股份增加了 171.4%。IFP Advisors Inc 目前拥有 38 股该半导体公司的股票，价值 35,000 美元，此前在上个季度又购买了 24 股。Cornerstone Planning Group LLC 在第三季度将其在 Monolithic Power Systems 的股份增加了 542.9%。Cornerstone Planning Group LLC 目前拥有 45 股该半导体公司的股票，价值 41,000 美元，此前在上个季度又购买了 38 股。Root Financial Partners LLC 在第三季度收购了价值约 42,000 美元的 Monolithic Power Systems 新股份。最后，Torren Management LLC 在第四季度收购了价值 49,000 美元的 Monolithic Power Systems 新股份。机构投资者和对冲基金持有该公司 93.46% 的股票。</p>
<h2>分析师设定新目标价</h2>
<p>几位分析师最近对 MPWR 股票发布了报告。Weiss Ratings 在 5 月 7 日的报告中将 Monolithic Power Systems 的评级从 &#34;持有 (c)&#34; 上调至 &#34;持有 (c+)&#34;。Oppenheimer 在 5 月 1 日的研究报告中为 Monolithic Power Systems 的股票设定了 1,700.00 美元的目标价。William Blair 在 3 月 5 日的研究报告中重申了对 Monolithic Power Systems 股票的 &#34;跑赢大盘&#34; 评级。Needham &amp; Company LLC 在 5 月 1 日的研究报告中将 Monolithic Power Systems 的目标价从 1,300.00 美元提高到 1,750.00 美元，并给予该公司 &#34;买入&#34; 评级。最后，KeyCorp 在 5 月 1 日的报告中将 Monolithic Power Systems 的目标价从 1,500.00 美元提高到 2,000.00 美元，并给予该公司 &#34;超配&#34; 评级。十二位研究分析师对该股票给予了买入评级，三位分析师对该公司给予了持有评级。根据 MarketBeat.com 的数据，该公司目前的共识评级为 &#34;适度买入&#34;，共识目标价为 1,599.17 美元。</p>
<ul>
<li>Monolithic Power Systems 正在飙升——估值是否追上了？</li>
</ul>
<p><strong>查看我们关于 MPWR 的最新报告</strong></p>
<h2>Monolithic Power Systems 价格表现</h2>
<p>Monolithic Power Systems 股票在周一开盘价为 1,550.02 美元。该公司的 50 日简单移动平均线为 1,308.82 美元，200 日简单移动平均线为 1,123.62 美元。Monolithic Power Systems, Inc. 的 12 个月低点为 643.36 美元，12 个月高点为 1,675.42 美元。该股票的市值为 761.5 亿美元，市盈率为 111.75，市盈率/增长比率为 2.77，贝塔值为 1.74。</p>
<ul>
<li>内部人士正在出售这 3 只股票——原因在这里</li>
</ul>
<p>Monolithic Power Systems（NASDAQ:MPWR - 获取免费报告）在 4 月 30 日星期四发布了其财报。该半导体公司报告本季度每股收益为 5.10 美元，超出市场共识预期的 4.90 美元，超出 0.20 美元。Monolithic Power Systems 的股本回报率为 19.58%，净利润率为 22.84%。该公司本季度的收入为 8.0419 亿美元，而分析师预期为 7.8193 亿美元。在去年同期，该公司每股收益为 4.04 美元。与去年同期相比，该公司的收入增长了 26.1%。平均而言，股票研究分析师预计 Monolithic Power Systems, Inc. 在当前财政年度将发布 20.13 美元的每股收益。</p>
<h2>Monolithic Power Systems 的内部买卖</h2>
<p>在相关消息中，执行副总裁 Maurice Sciammas 于 5 月 5 日星期二出售了 380 股 Monolithic Power Systems 股票。该股票以平均价格 1,583.81 美元出售，总价值为 601,847.80 美元。交易后，该执行副总裁在公司中持有 919 股，价值 1,455,521.39 美元。此交易代表其持股减少了 29.25%。该出售在向 SEC 的法律文件中披露，文件可通过此链接获取。此外，执行副总裁 Saria Tseng 于 3 月 30 日星期一出售了 25,674 股 Monolithic Power Systems 股票。该股票以平均价格 1,010.50 美元出售，总价值为 25,943,577.00 美元。交易完成后，该执行副总裁在公司中持有 174,982 股，价值 176,819,311 美元。该交易使其持股减少了 12.80%。有关此次出售的更多细节可在官方 SEC 披露中找到。内部人士在过去 90 天内共出售了价值 120,484,010 美元的 87,992 股公司股票。公司内部人士持有该公司 3.40% 的股票。</p>
<h2>Monolithic Power Systems 公司简介</h2>
<p>（免费报告）</p>
<p>Monolithic Power Systems NASDAQ: MPWR 是一家无晶圆半导体公司，设计并提供高性能电源管理解决方案，适用于广泛的电子系统。公司成立于 1997 年，总部位于华盛顿州柯克兰，专注于模拟和混合信号集成电路，这些电路用于转换、调节和监控电力，强调效率、集成和功率密度。</p>
<p>MPS 的产品组合包括 DC-DC 开关稳压器、电源模块、电源管理 IC（PMIC）、LED 驱动器、电池管理 IC、电机驱动器和 AC-DC 电源解决方案。</p>
<h2>进一步阅读</h2>
<ul>
<li>我们更看好的五只股票，而不是单片电源系统</li>
<li>Robinhood、SoFi 和 Webull 讲述了截然不同的故事</li>
<li>当博通市值超过 2 万亿美元时，私人信贷巨头想要参与</li>
<li>通过这些 ETF 关注火热的分拆和并购领域</li>
<li>随着 AI 存储需求激增，三星加入了 1 万亿美元俱乐部</li>
</ul>
<p><strong>想看看其他对 MPWR 感兴趣的对冲基金持有哪些股票吗？</strong> 访问 HoldingsChannel.com 获取 Monolithic Power Systems, Inc. (NASDAQ:MPWR - 免费报告) 的最新 13F 文件和内部交易信息。</p>
<p><img src="https://imageproxy.pbkrs.com/https://www.marketbeat.com/scripts/SECFilingChart.ashx/query-UHJlZml4PU5BU0RBUSZTeW1ib2w9TVBXUg?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" alt="" original-src="https://imageproxy.pbkrs.com/https://www.marketbeat.com/scripts/SECFilingChart.ashx/query-UHJlZml4PU5BU0RBUSZTeW1ib2w9TVBXUg"/></p>
<p><em>此即时新闻提醒由叙事科学技术和 MarketBeat 的金融数据生成，以便为读者提供最快的报道和公正的覆盖。请将任何问题或意见发送至 contact@marketbeat.com。</em></p>
<h2>你现在应该投资 1,000 美元在单片电源系统吗？</h2>
<p>在考虑单片电源系统之前，你需要听听这个。</p>
<p>MarketBeat 每天跟踪华尔街顶级评级和表现最佳的研究分析师及其推荐给客户的股票。MarketBeat 已识别出五只顶级分析师悄悄建议客户现在购买的股票，以便在更广泛的市场注意到之前... 而单片电源系统并不在名单上。</p>
<p>虽然单片电源系统目前在分析师中获得了中等买入评级，但顶级分析师认为这五只股票更值得购买。</p>
<p>在这里查看这五只股票</p>

芯源系统

纳斯达克半导体 ETF - First Trust

动态半导体 ETF - Invesco

标普半导体 ETF - SPDR

费城交易所 半导体 ETF - iShares

半导体 3 倍做多 - Direxion

<p>斯蒂芬斯投资管理集团有限公司已投资 1073 万美元于单片电源系统，收购了 11,836 股。其他投资者也增加了他们的持股。分析师设定了新的价格目标，普遍评级为 “适度买入”，目标价格为 1,599.17 美元。单片电源系统报告了强劲的收益，超出预期，每股收益为 5.10 美元，收入为 8.0419 亿美元，同比增长 26.1%</p>

<p>Stephens Investment Management Group LLC acquired a new position in Monolithic Power Systems, Inc. (NASDAQ:MPWR - Free Report) in the 4th quarter, according to the company in its most recent Form 13F filing with the Securities and Exchange Commission (SEC). The institutional investor acquired 11,836 shares of the semiconductor company's stock, valued at approximately $10,728,000.</p>
<div class="lb-trans"><p>Stephens Investment Management Group LLC 在最近向证券交易委员会（SEC）提交的 13F 表格中表示，在第四季度收购了 Monolithic Power Systems, Inc.（NASDAQ:MPWR - 免费报告）的新头寸。这家机构投资者收购了 11,836 股该半导体公司的股票，价值约为 10,728,000 美元。</p>
</div><ul>
<li>Monolithic Power Systems: AI Stock Beat, Raised and Upgraded Post-Earnings</li>
</ul>
<div class="lb-trans"><ul>
<li>Monolithic Power Systems：AI 股票超越，财报后上调评级</li>
</ul>
</div><p>A number of other large investors have also modified their holdings of the stock. Thurston Springer Miller Herd &amp; Titak Inc. acquired a new stake in Monolithic Power Systems in the fourth quarter valued at approximately $34,000. IFP Advisors Inc increased its position in shares of Monolithic Power Systems by 171.4% in the 3rd quarter. IFP Advisors Inc now owns 38 shares of the semiconductor company's stock worth $35,000 after purchasing an additional 24 shares during the last quarter. Cornerstone Planning Group LLC raised its stake in Monolithic Power Systems by 542.9% during the third quarter. Cornerstone Planning Group LLC now owns 45 shares of the semiconductor company's stock valued at $41,000 after buying an additional 38 shares in the last quarter. Root Financial Partners LLC acquired a new stake in shares of Monolithic Power Systems during the 3rd quarter valued at approximately $42,000. Finally, Torren Management LLC acquired a new stake in shares of Monolithic Power Systems during the fourth quarter worth $49,000. Institutional investors and hedge funds own 93.46% of the company's stock.</p>
<div class="lb-trans"><p>其他一些大型投资者也调整了对该股票的持有。Thurston Springer Miller Herd &amp; Titak Inc. 在第四季度收购了价值约 34,000 美元的 Monolithic Power Systems 新股份。IFP Advisors Inc 在第三季度将其在 Monolithic Power Systems 的股份增加了 171.4%。IFP Advisors Inc 目前拥有 38 股该半导体公司的股票，价值 35,000 美元，此前在上个季度又购买了 24 股。Cornerstone Planning Group LLC 在第三季度将其在 Monolithic Power Systems 的股份增加了 542.9%。Cornerstone Planning Group LLC 目前拥有 45 股该半导体公司的股票，价值 41,000 美元，此前在上个季度又购买了 38 股。Root Financial Partners LLC 在第三季度收购了价值约 42,000 美元的 Monolithic Power Systems 新股份。最后，Torren Management LLC 在第四季度收购了价值 49,000 美元的 Monolithic Power Systems 新股份。机构投资者和对冲基金持有该公司 93.46% 的股票。</p>
</div><h2>Analysts Set New Price Targets</h2>
<div class="lb-trans"><h2>分析师设定新目标价</h2>
</div><p>Several analysts recently issued reports on MPWR shares. Weiss Ratings raised Monolithic Power Systems from a &#34;hold (c)&#34; rating to a &#34;hold (c+)&#34; rating in a report on Thursday, May 7th. Oppenheimer set a $1,700.00 price target on shares of Monolithic Power Systems in a research report on Friday, May 1st. William Blair reissued an &#34;outperform&#34; rating on shares of Monolithic Power Systems in a research note on Thursday, March 5th. Needham &amp; Company LLC increased their target price on shares of Monolithic Power Systems from $1,300.00 to $1,750.00 and gave the company a &#34;buy&#34; rating in a research note on Friday, May 1st. Finally, KeyCorp upped their target price on Monolithic Power Systems from $1,500.00 to $2,000.00 and gave the company an &#34;overweight&#34; rating in a report on Friday, May 1st. Twelve research analysts have rated the stock with a Buy rating and three have issued a Hold rating to the company. According to MarketBeat.com, the company presently has a consensus rating of &#34;Moderate Buy&#34; and a consensus price target of $1,599.17.</p>
<div class="lb-trans"><p>几位分析师最近对 MPWR 股票发布了报告。Weiss Ratings 在 5 月 7 日的报告中将 Monolithic Power Systems 的评级从 &#34;持有 (c)&#34; 上调至 &#34;持有 (c+)&#34;。Oppenheimer 在 5 月 1 日的研究报告中为 Monolithic Power Systems 的股票设定了 1,700.00 美元的目标价。William Blair 在 3 月 5 日的研究报告中重申了对 Monolithic Power Systems 股票的 &#34;跑赢大盘&#34; 评级。Needham &amp; Company LLC 在 5 月 1 日的研究报告中将 Monolithic Power Systems 的目标价从 1,300.00 美元提高到 1,750.00 美元，并给予该公司 &#34;买入&#34; 评级。最后，KeyCorp 在 5 月 1 日的报告中将 Monolithic Power Systems 的目标价从 1,500.00 美元提高到 2,000.00 美元，并给予该公司 &#34;超配&#34; 评级。十二位研究分析师对该股票给予了买入评级，三位分析师对该公司给予了持有评级。根据 MarketBeat.com 的数据，该公司目前的共识评级为 &#34;适度买入&#34;，共识目标价为 1,599.17 美元。</p>
</div><ul>
<li>Monolithic Power Systems Is Surging—Has Valuation Caught Up?</li>
</ul>
<div class="lb-trans"><ul>
<li>Monolithic Power Systems 正在飙升——估值是否追上了？</li>
</ul>
</div><p><strong>Check Out Our Latest Report on MPWR</strong></p>
<div class="lb-trans"><p><strong>查看我们关于 MPWR 的最新报告</strong></p>
</div><h2>Monolithic Power Systems Price Performance</h2>
<div class="lb-trans"><h2>Monolithic Power Systems 价格表现</h2>
</div><p>Monolithic Power Systems stock opened at $1,550.02 on Monday. The company's fifty day simple moving average is $1,308.82 and its 200-day simple moving average is $1,123.62. Monolithic Power Systems, Inc. has a 12 month low of $643.36 and a 12 month high of $1,675.42. The stock has a market cap of $76.15 billion, a P/E ratio of 111.75, a P/E/G ratio of 2.77 and a beta of 1.74.</p>
<div class="lb-trans"><p>Monolithic Power Systems 股票在周一开盘价为 1,550.02 美元。该公司的 50 日简单移动平均线为 1,308.82 美元，200 日简单移动平均线为 1,123.62 美元。Monolithic Power Systems, Inc. 的 12 个月低点为 643.36 美元，12 个月高点为 1,675.42 美元。该股票的市值为 761.5 亿美元，市盈率为 111.75，市盈率/增长比率为 2.77，贝塔值为 1.74。</p>
</div><ul>
<li>Insiders Are Selling These 3 Stocks—Here’s Why</li>
</ul>
<div class="lb-trans"><ul>
<li>内部人士正在出售这 3 只股票——原因在这里</li>
</ul>
</div><p>Monolithic Power Systems (NASDAQ:MPWR - Get Free Report) last issued its earnings results on Thursday, April 30th. The semiconductor company reported $5.10 earnings per share for the quarter, topping the consensus estimate of $4.90 by $0.20. Monolithic Power Systems had a return on equity of 19.58% and a net margin of 22.84%.The company had revenue of $804.19 million for the quarter, compared to analyst estimates of $781.93 million. During the same period in the prior year, the firm posted $4.04 EPS. The business's revenue was up 26.1% compared to the same quarter last year. On average, equities research analysts expect that Monolithic Power Systems, Inc. will post 20.13 earnings per share for the current fiscal year.</p>
<div class="lb-trans"><p>Monolithic Power Systems（NASDAQ:MPWR - 获取免费报告）在 4 月 30 日星期四发布了其财报。该半导体公司报告本季度每股收益为 5.10 美元，超出市场共识预期的 4.90 美元，超出 0.20 美元。Monolithic Power Systems 的股本回报率为 19.58%，净利润率为 22.84%。该公司本季度的收入为 8.0419 亿美元，而分析师预期为 7.8193 亿美元。在去年同期，该公司每股收益为 4.04 美元。与去年同期相比，该公司的收入增长了 26.1%。平均而言，股票研究分析师预计 Monolithic Power Systems, Inc. 在当前财政年度将发布 20.13 美元的每股收益。</p>
</div><h2>Insider Buying and Selling at Monolithic Power Systems</h2>
<div class="lb-trans"><h2>Monolithic Power Systems 的内部买卖</h2>
</div><p>In related news, EVP Maurice Sciammas sold 380 shares of Monolithic Power Systems stock in a transaction on Tuesday, May 5th. The shares were sold at an average price of $1,583.81, for a total value of $601,847.80. Following the transaction, the executive vice president owned 919 shares in the company, valued at $1,455,521.39. This trade represents a 29.25% decrease in their position. The sale was disclosed in a legal filing with the SEC, which is available through this link. Also, EVP Saria Tseng sold 25,674 shares of Monolithic Power Systems stock in a transaction dated Monday, March 30th. The stock was sold at an average price of $1,010.50, for a total value of $25,943,577.00. Following the completion of the transaction, the executive vice president owned 174,982 shares in the company, valued at $176,819,311. The trade was a 12.80% decrease in their ownership of the stock. Additional details regarding this sale are available in the official SEC disclosure. Insiders have sold a total of 87,992 shares of company stock worth $120,484,010 in the last 90 days. Company insiders own 3.40% of the company's stock.</p>
<div class="lb-trans"><p>在相关消息中，执行副总裁 Maurice Sciammas 于 5 月 5 日星期二出售了 380 股 Monolithic Power Systems 股票。该股票以平均价格 1,583.81 美元出售，总价值为 601,847.80 美元。交易后，该执行副总裁在公司中持有 919 股，价值 1,455,521.39 美元。此交易代表其持股减少了 29.25%。该出售在向 SEC 的法律文件中披露，文件可通过此链接获取。此外，执行副总裁 Saria Tseng 于 3 月 30 日星期一出售了 25,674 股 Monolithic Power Systems 股票。该股票以平均价格 1,010.50 美元出售，总价值为 25,943,577.00 美元。交易完成后，该执行副总裁在公司中持有 174,982 股，价值 176,819,311 美元。该交易使其持股减少了 12.80%。有关此次出售的更多细节可在官方 SEC 披露中找到。内部人士在过去 90 天内共出售了价值 120,484,010 美元的 87,992 股公司股票。公司内部人士持有该公司 3.40% 的股票。</p>
</div><h2>Monolithic Power Systems Company Profile</h2>
<div class="lb-trans"><h2>Monolithic Power Systems 公司简介</h2>
</div><p>(Free Report)</p>
<div class="lb-trans"><p>（免费报告）</p>
</div><p>Monolithic Power Systems NASDAQ: MPWR is a fabless semiconductor company that designs and supplies high-performance power management solutions for a broad range of electronic systems. Founded in 1997 and headquartered in Kirkland, Washington, the company focuses on analog and mixed-signal integrated circuits that convert, regulate and monitor electrical power with an emphasis on efficiency, integration and power density.</p>
<div class="lb-trans"><p>Monolithic Power Systems NASDAQ: MPWR 是一家无晶圆半导体公司，设计并提供高性能电源管理解决方案，适用于广泛的电子系统。公司成立于 1997 年，总部位于华盛顿州柯克兰，专注于模拟和混合信号集成电路，这些电路用于转换、调节和监控电力，强调效率、集成和功率密度。</p>
</div><p>MPS's product portfolio includes DC‑DC switching regulators, power modules, power management ICs (PMICs), LED drivers, battery-management ICs, motor drivers, and AC‑DC power solutions.</p>
<div class="lb-trans"><p>MPS 的产品组合包括 DC-DC 开关稳压器、电源模块、电源管理 IC（PMIC）、LED 驱动器、电池管理 IC、电机驱动器和 AC-DC 电源解决方案。</p>
</div><h2>Further Reading</h2>
<div class="lb-trans"><h2>进一步阅读</h2>
</div><ul>
<li>Five stocks we like better than Monolithic Power Systems</li>
<li>Robinhood, SoFi, and Webull Are Telling Very Different Stories</li>
<li>As Broadcom Eclipses $2 Trillion, Private Credit Giants Wants In</li>
<li>Target the Red-Hot Spin-Off and Merger Space With These ETFs</li>
<li>Samsung Joins the $1 Trillion Club as AI Memory Demand Explodes</li>
</ul>
<div class="lb-trans"><ul>
<li>我们更看好的五只股票，而不是单片电源系统</li>
<li>Robinhood、SoFi 和 Webull 讲述了截然不同的故事</li>
<li>当博通市值超过 2 万亿美元时，私人信贷巨头想要参与</li>
<li>通过这些 ETF 关注火热的分拆和并购领域</li>
<li>随着 AI 存储需求激增，三星加入了 1 万亿美元俱乐部</li>
</ul>
</div><p><strong>Want to see what other hedge funds are holding MPWR?</strong> Visit HoldingsChannel.com to get the latest 13F filings and insider trades for Monolithic Power Systems, Inc. (NASDAQ:MPWR - Free Report).</p>
<div class="lb-trans"><p><strong>想看看其他对 MPWR 感兴趣的对冲基金持有哪些股票吗？</strong> 访问 HoldingsChannel.com 获取 Monolithic Power Systems, Inc. (NASDAQ:MPWR - 免费报告) 的最新 13F 文件和内部交易信息。</p>
</div><p><img src="https://imageproxy.pbkrs.com/https://www.marketbeat.com/scripts/SECFilingChart.ashx/query-UHJlZml4PU5BU0RBUSZTeW1ib2w9TVBXUg" alt="" original-src="https://www.marketbeat.com/scripts/SECFilingChart.ashx?Prefix=NASDAQ&amp;Symbol=MPWR"/></p>
<p><em>This instant news alert was generated by narrative science technology and financial data from MarketBeat in order to provide readers with the fastest reporting and unbiased coverage. Please send any questions or comments about this story to contact@marketbeat.com.</em></p>
<div class="lb-trans"><p><em>此即时新闻提醒由叙事科学技术和 MarketBeat 的金融数据生成，以便为读者提供最快的报道和公正的覆盖。请将任何问题或意见发送至 contact@marketbeat.com。</em></p>
</div><h2>Should You Invest $1,000 in Monolithic Power Systems Right Now?</h2>
<div class="lb-trans"><h2>你现在应该投资 1,000 美元在单片电源系统吗？</h2>
</div><p>Before you consider Monolithic Power Systems, you'll want to hear this.</p>
<div class="lb-trans"><p>在考虑单片电源系统之前，你需要听听这个。</p>
</div><p>MarketBeat keeps track of Wall Street's top-rated and best performing research analysts and the stocks they recommend to their clients on a daily basis. MarketBeat has identified the five stocks that top analysts are quietly whispering to their clients to buy now before the broader market catches on... and Monolithic Power Systems wasn't on the list.</p>
<div class="lb-trans"><p>MarketBeat 每天跟踪华尔街顶级评级和表现最佳的研究分析师及其推荐给客户的股票。MarketBeat 已识别出五只顶级分析师悄悄建议客户现在购买的股票，以便在更广泛的市场注意到之前... 而单片电源系统并不在名单上。</p>
</div><p>While Monolithic Power Systems currently has a Moderate Buy rating among analysts, top-rated analysts believe these five stocks are better buys.</p>
<div class="lb-trans"><p>虽然单片电源系统目前在分析师中获得了中等买入评级，但顶级分析师认为这五只股票更值得购买。</p>
</div><p>View The Five Stocks Here</p>
<div class="lb-trans"><p>在这里查看这五只股票</p>
</div>

Stephens Investment Management Group LLC Invests $10.73 Million in Monolithic Power Systems, Inc. $MPWR

Market Beat

奥本海默控股

科凯国际

KEYCORP DEP SHS REP 1/40TH NON CUM PER PFD SER G

KEYCORP DEP SHS REPSTG 1/40TH INT PERP NON CUM H

KEYCORP DEP SHS REP 1/40TH PERP PFD SER F USD25

KEYCORP DEP SHS REP 1/40TH NON CUM PFD SER E

Stephens Investment Management Group LLC 投资 1073 万美元于 Monolithic Power Systems 公司$MPWR