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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; 372 institutions reported holding it in 13F filings for Q2 2026, worth $5.24B in total; no superinvestor holds it.

13F holders, Q3 2025

Institutional positions in Power Integrations Inc as of Sep 30, 2025. 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
315
−21 vs. Q2 2025
Shares held
55.9M
+48.6K (+0.1%) vs. Q2 2025
Total value
$2.25B
−$874.2M (−28.0%) vs. Q2 2025
New holders
36
114 more added
Sold out
57
122 more reduced

6 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: 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 2025: 315 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: 372 institutions
Value heldQ3 2025: $2.25B
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 2026372$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 2025

Shares, value and share of portfolio for each institution holding Power Integrations Inc; share changes are against Q2 2025.

Institutions holding POWI in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
O'Shaughnessy Asset Management, LLC5,133$206.4K0.00%−1,190−18.8%Reduced
Atria Investments LLC5,154$207.3K0.00%−4,038−43.9%Reduced
Gibbs Wealth Management5,470$220.0K0.05%−913−14.3%Reduced
MQS Management LLC5,608$225.5K0.13%−288−4.9%Reduced
Inceptionr LLC5,847$235.1K0.06%+5,847New
Diversified Trust Co5,872$236.1K0.00%+5,872New
Truist Financial Corp6,009$241.6K0.00%−54−0.9%Reduced
CIBC Bancorp USA Inc.6,047$243.2K0.00%+6,047New
Stephens Inc6,426$258.4K0.00%+1,904+42.1%Added
HSBC Holdings PLC6,500$261.4K0.00%−2,223−25.5%Reduced
Bessemer Group Inc7,142$287.0K0.00%+451+6.7%Added
Quantinno Capital Management LP7,155$287.7K0.00%−6,219−46.5%Reduced
Mackenzie Financial Corp7,196$289.4K0.00%−3,973−35.6%Reduced
Acadian Asset Management LLC7,232$290.0K0.00%+7,232New
Wealth Enhancement Advisory Services, LLC7,735$291.7K0.00%−1,370−15.0%Reduced
Two Sigma Securities, LLC7,330$294.7K0.04%+2,756+60.3%Added
Pacer Advisors, Inc.7,456$299.8K0.00%+7,456New
MML Investors Services, LLC7,510$302.0K0.00%−177−2.3%Reduced
DRW Securities, LLC8,049$315.7K0.02%+2,856+55.0%Added
Xponance, Inc.7,958$320.0K0.00%−82−1.0%Reduced
DekaBank Deutsche Girozentrale8,622$336.0K0.00%00.0%Unchanged
Pictet Asset Management Holding SA8,460$340.2K0.00%00.0%Unchanged
Toroso Investments, LLC8,591$345.4K0.00%−437−4.8%Reduced
NJ State Employees Deferred Compensation Plan8,600$345.8K0.04%00.0%Unchanged
Aquatic Capital Management LLC8,656$348.1K0.01%+8,656New
Prudential Financial Inc8,732$351.1K0.00%+72+0.8%Added
NorthCrest Asset Manangement, LLC9,330$351.8K0.01%+3,362+56.3%Added
State of Alaska, Department of Revenue8,875$356.0K0.00%+2,533+39.9%Added
Ensign Peak Advisors, Inc8,902$357.9K0.00%−6,550−42.4%Reduced
Penbrook Management LLC9,200$369.9K0.26%00.0%Unchanged
Brevan Howard Capital Management LP9,329$375.1K0.01%−91−1.0%Reduced
Catalyst Private Wealth, LLC9,620$386.8K0.17%00.0%Unchanged
US Bancorp9,625$387.0K0.00%−2,278−19.1%Reduced
First National Advisers, LLC9,639$387.6K0.05%+462+5.0%Added
Amundi10,479$409.1K0.00%00.0%Unchanged
Voya Investment Management LLC10,196$410.0K0.00%−5,292−34.2%Reduced
Bank of Montreal10,211$410.6K0.00%−1,112−9.8%Reduced
Vident Advisory, LLC10,348$416.1K0.00%+4,598+80.0%Added
JustInvest LLC10,627$427.3K0.00%−5,004−32.0%Reduced
Oppenheimer Asset Management Inc.10,872$437.2K0.00%−223−2.0%Reduced
KLP Kapitalforvaltning AS11,300$454.4K0.00%00.0%Unchanged
Oregon Public Employees Retirement Fund11,309$454.7K0.01%−200−1.7%Reduced
Trust Point Inc.11,431$459.6K0.04%+509+4.7%Added
CWM Advisors, LLC11,451$460.4K0.04%+4,495+64.6%Added
Nisa Investment Advisors, LLC11,499$462.4K0.00%+13+0.1%Added
New Mexico Educational Retirement Board11,600$466.0K0.01%00.0%Unchanged
State of Tennessee, Treasury Department11,656$468.7K0.00%00.0%Unchanged
Harbor Capital Advisors, Inc.11,722$471.0K0.04%−22,837−66.1%Reduced
Quest Partners LLC11,744$472.2K0.03%−2,116−15.3%Reduced
Guggenheim Capital LLC11,896$478.3K0.00%+1,647+16.1%Added
Advisors Asset Management, Inc.12,127$487.6K0.01%−999−7.6%Reduced
Snowden Capital Advisors LLC12,459$501.0K0.01%+660+5.6%Added
Northwestern Mutual Investment Management Company, LLC12,503$502.7K0.01%−65−0.5%Reduced
Savvy Advisors, Inc.12,562$505.1K0.02%−59−0.5%Reduced
Freestone Grove Partners LP12,588$506.2K0.00%+5,704+82.9%Added
Cetera Investment Advisers12,632$508.0K0.00%+7,448+143.7%Added
Thrivent Financial for Lutherans12,888$518.0K0.00%−366−2.8%Reduced
Neo Ivy Capital Management12,962$521.2K0.13%+12,962New
Brinker Capital Investments, LLC13,298$534.7K0.00%−233−1.7%Reduced
State of Michigan Retirement System13,318$535.5K0.00%−200−1.5%Reduced
Natixis Advisors, L.P.13,449$541.0K0.00%−5,375−28.6%Reduced
Axq Capital, LP13,532$544.1K0.21%+13,532New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys14,397$578.9K0.00%−66−0.5%Reduced
Ameritas Investment Partners, Inc.15,254$613.4K0.02%−1,401−8.4%Reduced
Louisiana State Employees Retirement System15,600$627.3K0.01%−200−1.3%Reduced
Police & Firemen's Retirement System of New Jersey15,692$631.0K0.01%+2,914+22.8%Added
Sit Investment Associates Inc15,900$639.0K0.01%+2,450+18.2%Added
State Board of Administration of Florida Retirement System16,279$654.6K0.00%00.0%Unchanged
Two Sigma Advisers, LP16,400$659.4K0.00%+4,900+42.6%Added
Assetmark, Inc16,404$659.6K0.00%−4,150−20.2%Reduced
Headlands Technologies LLC16,544$665.2K0.05%+10,182+160.0%Added
Arizona State Retirement System16,647$669.4K0.00%+75+0.5%Added
Teacher Retirement System of Texas16,725$672.5K0.00%−9,535−36.3%Reduced
Victory Capital Management Inc16,802$675.6K0.00%+1,997+13.5%Added
Pathstone Holdings, LLC16,923$680.5K0.00%−1,317−7.2%Reduced
Arrowstreet Capital, Limited Partnership16,938$681.1K0.00%+16,938New
Handelsbanken Fonder AB17,402$700.0K0.00%00.0%Unchanged
Boothbay Fund Management, LLC17,608$708.0K0.02%+17,608New
Yousif Capital Management, LLC17,722$712.6K0.01%−1,252−6.6%Reduced
Azzad Asset Management Inc17,882$719.0K0.07%+410+2.3%Added
Teachers Retirement System of the State of Kentucky18,283$735.0K0.01%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)18,287$735.3K0.00%+1,282+7.5%Added
Dynamic Technology Lab Private Ltd18,840$757.0K0.13%+9,791+108.2%Added
Entropy Technologies, LP19,804$796.3K0.06%+15,910+408.6%Added
M&T Bank Corp20,038$804.8K0.00%−638−3.1%Reduced
Aigen Investment Management, LP20,120$809.0K0.13%+15,879+374.4%Added
Comerica Bank20,746$834.2K0.00%−1,352−6.1%Reduced
SG Americas Securities, LLC21,255$855.0K0.00%+16,788+375.8%Added
Captrust Financial Advisors21,271$855.3K0.00%−1,549−6.8%Reduced
Fuller & Thaler Asset Management, Inc.21,842$878.3K0.00%+1,400+6.8%Added
QSV Equity Investors LLC22,419$901.5K0.92%00.0%Unchanged
New York State Teachers Retirement System23,345$939.0K0.00%−400−1.7%Reduced
LPL Financial LLC24,538$986.7K0.00%+2,037+9.1%Added
Amalgamated Bank24,734$995.0K0.01%−60.0%Reduced
Numerai GP LLC24,887$1.00M0.14%+24,887New
Susquehanna International Group, LLP25,542$1.03M0.00%−50,231−66.3%Reduced
Icon Advisers Inc25,700$1.03M0.23%00.0%Unchanged
Mutual of America Capital Management LLC25,907$1.04M0.01%−2,087−7.5%Reduced
Janus Henderson Group PLC26,114$1.05M0.00%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.26,356$1.06M0.00%−4,737−15.2%Reduced