Power Integrations (POWI) Institutional Ownership $69.13 +0.85 (+1.24%) Closing price 04:00 PM EasternExtended Trading$69.00 -0.13 (-0.19%) As of 07:59 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Power Integrations (NASDAQ:POWI)Number ofInstitutional Buyers(last 12 months)197TotalInstitutional Inflows(last 12 months)$496.23MNumber ofInstitutional Sellers(last 12 months)134TotalInstitutional Outflows(last 12 months)$216.54M Get POWI Insider Trade Alerts Want to know when executives and insiders are buying or selling Power Integrations stock? 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Skip Chart & View Institutional Buying and Selling Data POWI Institutional Buying and Selling by Quarter Power Integrations Major Shareholders & Ownership History ExportReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/19/2026 Cim Investment Management Inc.4,811$246K0.1%N/A0.009% 5/19/2026 Bank of America Corp DE601,468$30.80M0.0%+1.1%1.079% 5/18/2026 Amundi11,485$588K0.0%+10.1%0.021% 5/18/2026 EverSource Wealth Advisors LLC814$42K0.0%+125.5%0.001% 5/18/2026 California State Teachers Retirement System65,641$3.36M0.0%+25.2%0.118% 5/18/2026 Royal Bank of Canada82,597$4.23M0.0%+9.6%0.148% 5/18/2026 Empowered Funds LLC6,180$316K0.0%N/A0.011% 5/16/2026 The Manufacturers Life Insurance Company 61,827$3.16M0.0%-4.5%0.111% 5/16/2026 Quantinno Capital Management LP13,645$699K0.0%+21.4%0.024% 5/15/2026 Van Diest Capital LLC9,290$476K0.4%N/A0.017% Get the Latest News and Ratings for POWI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Power Integrations and its competitors with MarketBeat's FREE daily newsletter. 5/15/2026 Cannell & Spears LLC63,278$3.03M0.1%+98.8%0.114% 5/14/2026 Bollard Group LLC1,709$88K0.0%-23.8%0.003% 5/14/2026 Sei Investments Co.218,429$11.18M0.0%+36.2%0.392% 5/13/2026 Cetera Investment Advisers15,843$811K0.0%+22.1%0.028% 5/13/2026 First Trust Advisors LP193,917$9.93M0.0%-14.9%0.348% 5/8/2026 PNC Financial Services Group Inc.4,530$232K0.0%+42.0%0.008% 5/8/2026 Madison Asset Management LLC102,882$5.27M0.1%-0.9%0.185% 5/7/2026 WCM Investment Management LLC156,928$7.51M0.0%N/A0.282% 5/7/2026 Dimensional Fund Advisors LP1,057,155$54.11M0.0%+7.3%1.898% 5/7/2026 Swiss National Bank109,500$5.61M0.0%-1.0%0.197% 5/6/2026 Copeland Capital Management LLC1,321,789$67.68M1.5%+12.6%2.373% 5/6/2026 Bessemer Group Inc.108,288$5.54M0.0%+1.2%0.194% 5/5/2026 Bank of New York Mellon Corp455,065$23.30M0.0%-4.7%0.817% 5/5/2026 Illinois Municipal Retirement Fund28,739$1.47M0.0%N/A0.052% 5/5/2026 Three Seasons Wealth LLC4,523$232K0.1%N/A0.008% 5/5/2026 Sanctuary Advisors LLC5,799$297K0.0%-10.7%0.010% 5/4/2026 Calamos Advisors LLC23,076$1.18M0.0%N/A0.041% 5/4/2026 Emerald Mutual Fund Advisers Trust61,294$3.14M0.2%N/A0.110% 5/4/2026 Emerald Advisers LLC116,044$5.94M0.2%N/A0.208% 5/4/2026 Principal Financial Group Inc.271,385$13.90M0.0%+2.5%0.487% 5/4/2026 Teachers Retirement System of The State of Kentucky37,011$1.90M0.0%+180.9%0.066% 5/1/2026 Fifth Third Bancorp26,123$1.34M0.0%+232.4%0.047% 4/30/2026 Hsbc Holdings PLC4,884$250K0.0%-18.1%0.009% 4/30/2026 Azzad Asset Management Inc. ADV20,787$1.06M0.1%-8.8%0.037% 4/30/2026 Granite Investment Partners LLC324,926$16.64M1.0%-8.5%0.583% 4/30/2026 Personal CFO Solutions LLC5,527$283K0.0%N/A0.010% 4/28/2026 Stephens Inc. AR6,800$348K0.0%-5.0%0.012% 4/28/2026 Stephens Investment Management Group LLC745,169$38.15M0.5%-0.4%1.338% 4/27/2026 New York State Teachers Retirement System23,919$1.23M0.0%-5.8%0.043% 4/25/2026 Boston Trust Walden Corp577,605$29.57M0.2%-10.7%1.037% Hey, it's Jon Najarian. The SpaceX IPO is right around the corner. But I discovered Elon may have something BIGGER planned. Check this out before June 9th... (Ad)After being invited to the SpaceX launch headquarters in Cape Canaveral from one of Elon's top lobbyists… Hall of Fame Trader Jon Najarian now says EVERYONE is missing an even bigger story about the SpaceX IPO… That it's just the start of an Elon Musk $44 trillion "Superconvergence…" An event that could kick off as soon as June 12th.Click here now to watch hall of fame trader Jon Najarian's full prediction.4/23/2026 Inspire Investing LLC10,117$518K0.0%-23.0%0.018% 4/22/2026 Janney Montgomery Scott LLC5,770$295K0.0%N/A0.010% 4/22/2026 Pictet Asset Management Holding SA8,735$447K0.0%-12.4%0.016% 4/22/2026 Sterling Capital Management LLC11,532$590K0.0%-44.7%0.021% 4/21/2026 Louisiana State Employees Retirement System24,600$1.26M0.0%N/A0.044% 4/18/2026 Riverbridge Partners LLC336,068$17.21M0.4%-6.0%0.606% 4/16/2026 SG Americas Securities LLC17,831$913K0.0%-59.8%0.032% 4/16/2026 Tactive Advisors LLC7,680$393K0.1%N/A0.014% 3/20/2026 Hsbc Holdings PLC5,960$212K0.0%-8.3%0.011% 2/24/2026 Pacer Advisors Inc.1,970$70K0.0%-73.6%0.004% 2/19/2026 Invesco Ltd.242,853$8.63M0.0%+80.9%0.438% 2/18/2026 Vident Advisory LLC11,697$416K0.0%+13.0%0.021% 2/18/2026 State of Tennessee Department of Treasury12,400$441K0.0%+6.4%0.022% 2/18/2026 Fuller & Thaler Asset Management Inc.26,362$937K0.0%+20.7%0.047% 2/18/2026 XTX Topco Ltd13,596$483K0.0%N/A0.024% 2/18/2026 Voloridge Investment Management LLC441,559$15.69M0.1%+7.5%0.796% 2/18/2026 Wellington Management Group LLP2,423,972$86.15M0.0%+7.2%4.367% 2/18/2026 Sora Investors LLC56,326$2.00M0.2%N/A0.101% 2/18/2026 Numerai GP LLC75,079$2.67M0.3%+201.7%0.135% 2/18/2026 Odyssean LLC6,624$235K0.2%N/A0.012% 2/18/2026 Old West Investment Management LLC8,985$319K0.1%N/A0.016% 2/18/2026 Millennium Management LLC106,559$3.79M0.0%-28.1%0.192% 2/18/2026 Inspire Investing LLC13,138$467K0.0%+14.7%0.024% 2/18/2026 Engineers Gate Manager LP67,800$2.41M0.0%-38.8%0.122% 2/17/2026 Guggenheim Capital LLC16,524$587K0.0%+38.9%0.030% 2/17/2026 AQR Capital Management LLC284,360$10.11M0.0%-13.6%0.512% 2/17/2026 Cetera Investment Advisers12,972$461K0.0%+2.7%0.023% 2/17/2026 Trexquant Investment LP82,782$2.94M0.0%+83.2%0.149% 2/17/2026 Price T Rowe Associates Inc. MD943,365$33.53M0.0%+1,885.7%1.700% 2/17/2026 Public Employees Retirement System of Ohio70,990$2.52M0.0%+105.5%0.128% 2/17/2026 Arosa Capital Management LP40,000$1.42M0.2%N/A0.072% 2/17/2026 Russell Investments Group Ltd.80,125$2.85M0.0%+15.4%0.144% 2/17/2026 Maryland State Retirement & Pension System8,137$289K0.0%N/A0.015% 2/17/2026 Crawford Investment Counsel Inc.220,803$7.85M0.1%+8.3%0.398% 2/17/2026 State of Wisconsin Investment Board45,550$1.62M0.0%-14.9%0.082% 2/17/2026 Captrust Financial Advisors20,488$728K0.0%-3.7%0.037% 2/17/2026 Royal Bank of Canada75,329$2.68M0.0%-17.1%0.136% 2/17/2026 Oddo BHF Asset Management Sas9,414$335K0.0%N/A0.017% 2/17/2026 Needham Investment Management LLC25,400$903K0.1%-21.8%0.046% 2/16/2026 Panagora Asset Management Inc.59,753$2.12M0.0%-43.7%0.108% 2/16/2026 S Squared Technology LLC130,000$4.62M1.8%+116.7%0.234% 2/16/2026 Barclays PLC145,720$5.18M0.0%-25.2%0.263% 2/16/2026 Brown Advisory Inc.749,127$26.62M0.0%-11.3%1.350% 2/13/2026 Kestra Advisory Services LLC1,009$36K0.0%N/A0.002% 2/13/2026 Marshall Wace LLP493,708$17.55M0.0%+19.0%0.890% 2/13/2026 The Manufacturers Life Insurance Company 64,723$2.30M0.0%-31.4%0.117% 2/13/2026 CANADA LIFE ASSURANCE Co49,734$1.77M0.0%+11.8%0.090% 2/13/2026 UMB Bank n.a.1,074$38K0.0%+61.7%0.002% 2/13/2026 Stifel Financial Corp49,149$1.75M0.0%-26.7%0.089% 2/13/2026 Morgan Stanley1,479,555$52.58M0.0%+1.4%2.666% Read now. 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Click here now.2/13/2026 Public Sector Pension Investment Board191,500$6.81M0.0%N/A0.345% 2/13/2026 First Trust Advisors LP227,736$8.09M0.0%+13.6%0.410% 2/13/2026 Charles Schwab Investment Management Inc.718,405$25.53M0.0%+7.5%1.294% 2/13/2026 Police & Firemen s Retirement System of New Jersey14,852$528K0.0%-5.4%0.027% 2/13/2026 State Street Corp3,400,970$120.87M0.0%+18.0%6.128% 2/13/2026 Van ECK Associates Corp37,102$1.32M0.0%-1.1%0.067% 2/13/2026 First National Bank of Omaha46,047$1.64M0.0%+0.8%0.083% 2/13/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC119,221$4.24M0.0%+0.2%0.215% 2/13/2026 Wells Fargo & Company MN93,514$3.32M0.0%-18.5%0.168% 2/13/2026 Quadrant Capital Group LLC9,507$338K0.0%+686.4%0.017% POWI Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of POWI shares? During the previous two years, 350 institutional investors and hedge funds held shares of Power Integrations. The most heavily invested institutionals were Vanguard Group Inc. ($268.57M), State Street Corp ($120.87M), Wellington Management Group LLP ($86.15M), Disciplined Growth Investors Inc. MN ($79.09M), Snyder Capital Management L P ($73.38M), Copeland Capital Management LLC ($67.68M), and T. Rowe Price Investment Management Inc. ($61.16M).Learn more on Power Integrations' institutional investors. Which institutional investors have been buying Power Integrations' stock? Of the 304 institutional investors that purchased Power Integrations' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Snyder Capital Management L P ($1.42M), Wellington Management Group LLP ($1.34M), Invesco Ltd. ($1.33M), American Century Companies Inc. ($955.56K), Norges Bank ($907.18K), Price T Rowe Associates Inc. MD ($901.71K), and M&T Bank Corp ($750.01K). How much institutional buying is happening at Power Integrations? Institutional investors have bought a total of 11,785,561 shares in the last 24 months. This purchase volume represents approximately $496.23M in transactions. Which of Power Integrations' major shareholders have been selling company stock? Of the 134 institutional investors that sold Power Integrations' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Invesco Ltd. ($1.18M), Federated Hermes Inc. ($436.95K), Squarepoint Ops LLC ($283.25K), JPMorgan Chase & Co. ($193.47K), Boston Trust Walden Corp ($156.14K), Congress Asset Management Co. ($143.54K), and Riverbridge Partners LLC ($136.73K). How much institutional selling is happening at Power Integrations? Institutional investors have sold a total of 4,814,221 shares in the last 24 months. This volume of shares sold represents approximately $216.54M in transactions. 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