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Power Integrations Inc

POWI
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
SEC CIK
0000833640

In the last 90 days, Power Integrations Inc insiders filed 0 open-market purchases and 1 sale; 373 institutions reported holding it in 13F filings for Q2 2026, worth $5.24B in total; no superinvestor holds it.

13F holders, Q3 2021

Institutional positions in Power Integrations Inc as of Sep 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
330
+35 vs. Q2 2021
Shares held
58.4M
−114.1K (−0.2%) vs. Q2 2021
Total value
$5.78B
+$975.9M (+20.3%) vs. Q2 2021
New holders
58
113 more added
Sold out
23
104 more reduced

2 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting POWI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2021: 330 institutions
Q1 2021: 297 institutionsQ2 2021: 297 institutionsQ3 2021: 330 institutionsQ4 2021: 343 institutionsQ1 2022: 357 institutionsQ2 2022: 336 institutionsQ3 2022: 328 institutionsQ4 2022: 325 institutionsQ1 2023: 331 institutionsQ2 2023: 339 institutionsQ3 2023: 338 institutionsQ4 2023: 342 institutionsQ1 2024: 342 institutionsQ2 2024: 351 institutionsQ3 2024: 334 institutionsQ4 2024: 325 institutionsQ1 2025: 342 institutionsQ2 2025: 342 institutionsQ3 2025: 315 institutionsQ4 2025: 299 institutionsQ1 2026: 308 institutionsQ2 2026: 373 institutions
Value heldQ3 2021: $5.78B
Q1 2021: $4.78BQ2 2021: $4.80BQ3 2021: $5.78BQ4 2021: $5.34BQ1 2022: $5.29BQ2 2022: $4.26BQ3 2022: $3.65BQ4 2022: $4.11BQ1 2023: $4.88BQ2 2023: $5.51BQ3 2023: $4.41BQ4 2023: $4.81BQ1 2024: $4.22BQ2 2024: $4.12BQ3 2024: $3.73BQ4 2024: $3.56BQ1 2025: $2.94BQ2 2025: $3.16BQ3 2025: $2.25BQ4 2025: $2.12BQ1 2026: $3.24BQ2 2026: $5.24B
Institutions holding POWI and their total value by quarter
QuarterHoldersValue
Q2 2026373$5.24B
Q1 2026308$3.24B
Q4 2025299$2.12B
Q3 2025315$2.25B
Q2 2025342$3.16B
Q1 2025342$2.94B
Q4 2024325$3.56B
Q3 2024334$3.73B
Q2 2024351$4.12B
Q1 2024342$4.22B
Q4 2023342$4.81B
Q3 2023338$4.41B
Q2 2023339$5.51B
Q1 2023331$4.88B
Q4 2022325$4.11B
Q3 2022328$3.65B
Q2 2022336$4.26B
Q1 2022357$5.29B
Q4 2021343$5.34B
Q3 2021330$5.78B
Q2 2021297$4.80B
Q1 2021297$4.78B

Institutions, Q3 2021

Shares, value and share of portfolio for each institution holding Power Integrations Inc; share changes are against Q2 2021.

Institutions holding POWI in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Principal Financial Group Inc423,882$42.0M0.03%−5,339−1.2%Reduced
Bank of America Corp436,579$43.2M0.00%−15,371−3.4%Reduced
Atlanta Capital Management Co L L C478,391$47.4M0.17%−57,660−10.8%Reduced
Federated Hermes, Inc.486,872$48.2M0.09%−15,189−3.0%Reduced
Boston Trust Walden Corp497,569$49.3M0.44%+11,951+2.5%Added
Copeland Capital Management, LLC515,747$51.1M1.45%+149,398+40.8%Added
First Trust Advisors LP545,036$54.0M0.06%−102,006−15.8%Reduced
Fiera Capital Corp562,095$55.6M0.14%−8,805−1.5%Reduced
Norges Bank630,720$62.4M0.01%+33,237+5.6%Added
Charles Schwab Investment Management Inc631,744$62.5M0.02%+7,272+1.2%Added
Riverbridge Partners LLC653,480$64.7M0.65%−2,717−0.4%Reduced
Stephens Investment Management Group LLC695,002$68.8M0.94%−45,653−6.2%Reduced
Ceredex Value Advisors LLC715,863$70.9M0.80%−5,441−0.8%Reduced
Ameriprise Financial Inc727,028$72.0M0.02%−30,760−4.1%Reduced
Robeco Schweiz AG823,741$81.5M1.17%−361,259−30.5%Reduced
Snyder Capital Management L P856,008$84.7M2.24%−9,496−1.1%Reduced
Price T Rowe Associates Inc870,029$86.1M0.01%−50,554−5.5%Reduced
Northern Trust Corp874,481$86.6M0.02%−17,452−2.0%Reduced
Polar Capital Holdings Plc874,707$86.6M0.48%+129,885+17.4%Added
Geode Capital Management, LLC1,069,092$105.8M0.01%−56,970−5.1%Reduced
Dimensional Fund Advisors LP1,274,170$126.1M0.04%−6,669−0.5%Reduced
Bank of New York Mellon Corp1,594,092$157.8M0.03%−17,520−1.1%Reduced
Disciplined Growth Investors Inc1,790,805$177.3M3.51%−30,727−1.7%Reduced
JPMorgan Chase & Co1,910,153$189.1M0.03%−498,674−20.7%Reduced
Invesco Ltd.2,044,327$202.4M0.05%+187,984+10.1%Added
State Street Corp2,195,016$217.3M0.01%+17,501+0.8%Added
Wellington Management Group LLP2,409,550$238.5M0.04%−29,180−1.2%Reduced
Neuberger Berman Group LLC3,881,049$379.7M0.33%−122,580−3.1%Reduced
Vanguard Group Inc6,351,744$628.8M0.02%−28,445−0.4%Reduced
BlackRock Inc.9,903,496$980.3M0.03%−301,657−3.0%Reduced
Cavalry Management Group, LLC0$00.00%−215,161−100.0%Sold out
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−82,200−100.0%Sold out
Premier Fund Managers Ltd0$00.00%−52,298−100.0%Sold out
Arrowstreet Capital, Limited Partnership0$00.00%−24,100−100.0%Sold out
Atom Investors LP0$00.00%−24,018−100.0%Sold out
Paloma Partners Management Co0$00.00%−12,763−100.0%Sold out
Magnetar Financial LLC0$00.00%−6,490−100.0%Sold out
Verition Fund Management LLC0$00.00%−5,712−100.0%Sold out
Quadrature Capital Ltd0$00.00%−5,310−100.0%Sold out
Caxton Associates LP0$00.00%−4,453−100.0%Sold out
Panagora Asset Management Inc0$00.00%−4,289−100.0%Sold out
Corient Capital Partners, LLC0$00.00%−3,174−100.0%Sold out
Capula Management Ltd0$00.00%−3,036−100.0%Sold out
Walleye Trading LLC0$00.00%−2,464−100.0%Sold out
Centiva Capital, LP0$00.00%−2,464−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−2,430−100.0%Sold out
FORA Capital, LLC0$00.00%−1,371−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−371−100.0%Sold out
Advisory Services Network, LLC0$00.00%−131−100.0%Sold out
Savior LLC0$00.00%−108−100.0%Sold out
KB Financial Partners, LLC0$00.00%−99−100.0%Sold out
Arkadios Wealth Advisors0$00.00%−50−100.0%Sold out
Enterprise Financial Services Corp0$00.00%−10−100.0%Sold out
Pictet Asset Management Ltd––––Not filed
CWM, LLC––––Not filed