MONOLITHIC POWER SYSTEMS INC (MPWR) Institutional Ownership Changes & 13F Activity

MONOLITHIC POWER SYSTEMS INC (MPWR). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include State Street Corp, Citadel Advisors Llc, Corient Private Wealth Llc, Liontrust Investment Partners Llp, and Allianz Asset Management Gmbh.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Envestnet Asset Management IncSell-17,282-13.7%108,573$150.09MQ2 2026Sep 23, 2026
Qrg Capital Management, Inc.Sell-1,903-29.3%4,590$6.35MQ2 2026Sep 23, 2026
Envestnet Portfolio Solutions, Inc.Sell-619-20.7%2,368$3.27MQ2 2026Sep 23, 2026
State Street CorpBuy+93,732+4.3%2,282,186$3.16BQ2 2026Sep 22, 2026
Andra Ap-FondenBuy+450+134.3%785$1.09MQ2 2026Sep 22, 2026
Anchor Investment Management, LlcBuy+40+160.0%65$89.85KQ2 2026Sep 15, 2026
Talon Private Wealth, LlcSell-73-12.5%512$707.78KQ2 2026Sep 11, 2026
Integrated Wealth Concepts LlcSell-420-11.4%3,266$4.51MQ2 2026Sep 09, 2026
Manufacturers Life Insurance Company, TheBuy+233+0.5%49,887$68.96MQ2 2026Sep 09, 2026
Parkside Financial Bank & TrustSell-113-13.7%712$984.24KQ2 2026Sep 04, 2026
Citadel Advisors LlcBuy+49,975+369.9%63,487$87.76MQ2 2026Sep 02, 2026
Allianz Asset Management GmbhBuy+19,807+20.5%116,281$160.74MQ2 2026Sep 02, 2026
Brown, Lisle/Cummings, Inc.Sell-2-28.6%5$6.36KQ2 2026Sep 02, 2026
Cornerstone Financial Management LlcBuy+6+120.0%11$15.21KQ2 2026Aug 28, 2026
Corient Private Wealth LlcBuy+28,402+181.1%44,086$60.94MQ2 2026Aug 27, 2026
Wellington Grp LlcBuy+665—665$919.27KQ2 2026Aug 26, 2026
Groupe La FrancaiseBuy+2,692—2,692$3.72MQ2 2026Aug 25, 2026
California State Teachers Retirement SystemSell-2,943-4.1%69,420$95.96MQ2 2026Aug 24, 2026
Vancity Investment Management LtdSell-31-6.2%470$650.00KQ2 2026Aug 24, 2026
Cyber Hornet Etfs LlcBuy+2+1.5%132$182.47KQ2 2026Aug 24, 2026
Assenagon Asset Management S.A.Sell-166-10.1%1,485$2.05MQ2 2026Aug 21, 2026
Harvest Fund Management Co., LtdBuy+14,371+105.0%28,056$38.74MQ2 2026Aug 20, 2026
Mercer Global Advisors IncSell-271-2.7%9,772$13.51MQ2 2026Aug 19, 2026
Sustainable Insight Capital Management, LlcSell-70-31.5%152$210.12KQ2 2026Aug 19, 2026
Kingsview Wealth Management, LlcBuy+11+1.0%1,075$1.49MQ2 2026Aug 19, 2026
Liontrust Investment Partners LlpBuy+20,853+38.0%75,786$104.76MQ2 2026Aug 18, 2026
Rakuten Investment Management, Inc.Buy+3,108+20.8%18,041$23.68MQ2 2026Aug 18, 2026
Beacon Pointe Advisors, LlcSell-299-22.0%1,061$1.47MQ2 2026Aug 18, 2026
Livforsakringsbolaget Skandia, OmsesidigtSell-70-19.2%295$407.81KQ2 2026Aug 18, 2026
Fulcrum Asset Management LlpBuy+18—18$23.63KQ2 2026Aug 18, 2026
Showing 30 of 1,172

Frequently asked questions about MPWR activity

  • Which institutional owners are buying MPWR?

    Institutional owners buying MPWR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in MPWR activity?

    "Buy" means an investor increased their reported position in MPWR compared to the prior reporting period. This reflects growing exposure to MONOLITHIC POWER SYSTEMS INC (MPWR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MPWR increasing?

    Institutional interest in MPWR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.