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. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Disciplined Growth Investors and Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Disciplined Growth InvestorsSell-42,5261,959,172$100,309,606
Q4 2025Disciplined Growth InvestorsBuy34,7582,001,698$71,140,347
Q4 2025Renaissance Technologies LLCSell-14,300206,100$7,324,794
Q3 2025Renaissance Technologies LLCBuy119,300220,400$8,862,284
Q3 2025Disciplined Growth InvestorsSell-93,8861,966,940$79,090,657
Q2 2025Disciplined Growth InvestorsSell-15,7502,060,826$115,200,173
Q2 2025Renaissance Technologies LLCSell-7,500101,100$5,651,490
Q1 2025Renaissance Technologies LLCBuy26,995108,600$5,484,300
Q1 2025Disciplined Growth InvestorsSell-23,3162,076,576$104,867,088
Q4 2024Renaissance Technologies LLCBuy26,10581,605$5,035,029
Q4 2024Disciplined Growth InvestorsSell-11,7712,099,892$129,563,336
Q3 2024Disciplined Growth InvestorsBuy80,7612,111,663$135,399,832
Q3 2024Renaissance Technologies LLCBuy43,00055,500$3,558,660
Q2 2024Disciplined Growth InvestorsSell-7,8842,030,902$142,549,011
Q1 2024Disciplined Growth InvestorsSell-1,0822,038,786$145,875,138
Q4 2023Disciplined Growth InvestorsSell-31,1612,039,868$167,493,561
Q3 2023Disciplined Growth InvestorsSell-32,5392,071,029$158,040,223
Q3 2023Renaissance Technologies LLCSell-32,50012,500$954
Q2 2023Disciplined Growth InvestorsSell-71,8802,103,568$199,144,783
Q1 2023Disciplined Growth InvestorsSell-225,8572,175,448$184,129,919
Q1 2023Renaissance Technologies LLCSell-151,60045,000$3,809
Q4 2022Renaissance Technologies LLCSell-203,900196,600$14,100
Q4 2022Disciplined Growth InvestorsSell-1,6682,401,305$172,221,595
Q3 2022Disciplined Growth InvestorsBuy564,8382,402,973$154,559
Q3 2022Renaissance Technologies LLCBuy237,100400,500$25,760
Q2 2022Renaissance Technologies LLCBuy61,800163,400$12,257
Q2 2022Disciplined Growth InvestorsBuy24,3981,838,135$137,879
Q1 2022Renaissance Technologies LLCSell-174,200101,600$9,416
Q1 2022Disciplined Growth InvestorsBuy40,0261,813,737$168,097
Q4 2021Renaissance Technologies LLCBuy79,900275,800$25,619

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.

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