POWER INTEGRATIONS INC (POWI) Institutional Ownership Changes & 13F Activity

POWER INTEGRATIONS INC (POWI). 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 Invesco Ltd., Price T Rowe Associates Inc, Ameriprise Financial Inc, Aperture Investors, Llc, and Wellington Management Group Llp.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Envestnet Asset Management IncSell-10,384-3.5%282,650$23.67MQ2 2026Sep 23, 2026
State Street CorpBuy+116,312+3.8%3,194,155$267.49MQ2 2026Sep 22, 2026
Manufacturers Life Insurance Company, TheSell-7,376-11.9%54,451$4.56MQ2 2026Sep 09, 2026
Parkside Financial Bank & TrustBuy+85+85.9%184$15.41KQ2 2026Sep 04, 2026
Citadel Advisors LlcSell-67,267-61.2%42,674$3.57MQ2 2026Sep 02, 2026
Cornerstone Financial Management LlcBuy+5—5$419.00Q2 2026Aug 28, 2026
Corient Private Wealth LlcBuy+12,808—12,808$1.07MQ2 2026Aug 27, 2026
California State Teachers Retirement SystemSell-3,272-5.0%62,369$5.22MQ2 2026Aug 24, 2026
Mercer Global Advisors IncBuy+6,200—6,200$519.28KQ2 2026Aug 19, 2026
Fulcrum Asset Management LlpBuy+274—274$21.64KQ2 2026Aug 18, 2026
Public Employees Retirement System Of OhioSell-37,903-53.3%33,197$2.78MQ2 2026Aug 17, 2026
Capstone Investment Advisors, LlcBuy+2,408—2,408$201.69KQ2 2026Aug 17, 2026
Transamerica Financial Advisors, LlcBuy+1+0.6%178$14.91KQ2 2026Aug 17, 2026
Invesco Ltd.Buy+870,396—870,396$72.90MQ2 2026Aug 14, 2026
Price T Rowe Associates IncBuy+528,456+37.8%1,924,939$161.23MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+370,174—370,174$31.01MQ2 2026Aug 14, 2026
Aperture Investors, LlcBuy+307,841—307,841$25.78MQ2 2026Aug 14, 2026
Wellington Management Group LlpBuy+239,702+7.1%3,595,855$301.19MQ2 2026Aug 14, 2026
Bank Of America CorpSell-219,933-36.6%381,535$31.96MQ2 2026Aug 14, 2026
Brown Advisory IncSell-209,607-30.5%477,227$39.97MQ2 2026Aug 14, 2026
Westwood Holdings Group IncSell-158,808-18.2%714,227$59.82MQ2 2026Aug 14, 2026
Arosa Capital Management LpBuy+125,000—125,000$10.47MQ2 2026Aug 14, 2026
Jane Street Group, LlcBuy+117,524—117,524$9.84MQ2 2026Aug 14, 2026
Aqr Capital Management LlcSell-93,779-68.3%43,596$3.65MQ2 2026Aug 14, 2026
Holocene Advisors, LpSell-75,095-85.4%12,836$1.08MQ2 2026Aug 14, 2026
Osaic Holdings, Inc.Buy+70,051+4542.9%71,593$6.00MQ2 2026Aug 14, 2026
Disciplined Growth InvestorsSell-67,308-3.4%1,891,864$158.46MQ2 2026Aug 14, 2026
Palisade Capital Management, LpBuy+57,159—57,159$4.79MQ2 2026Aug 14, 2026
Crawford Investment Counsel IncSell-51,792-22.7%176,147$14.75MQ2 2026Aug 14, 2026
Loomis Sayles & Co L PBuy+46,523+19.9%280,087$23.46MQ2 2026Aug 14, 2026
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Frequently asked questions about POWI activity

  • Which institutional owners are buying POWI?

    Institutional owners buying POWI 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 POWI activity?

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

  • Is institutional interest in POWI increasing?

    Institutional interest in POWI 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.