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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 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: 373 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 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 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
Great West Life Assurance Co44,477$1.75M0.00%−114−0.3%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH43,098$1.73M0.00%+34,461+399.0%Added
B. Metzler seel. Sohn & Co. AG42,955$1.73M0.02%00.0%Unchanged
Schonfeld Strategic Advisors LLC41,533$1.67M0.01%+24,643+145.9%Added
Magnetar Financial LLC39,461$1.59M0.01%+39,461New
Herald Investment Management Ltd38,000$1.53M0.20%00.0%Unchanged
Van Eck Associates Corp37,501$1.51M0.00%+19,765+111.4%Added
FMR LLC36,436$1.47M0.00%−7,227−16.6%Reduced
Public Employees Retirement System of Ohio34,551$1.39M0.00%+55+0.2%Added
Needham Investment Management LLC32,500$1.31M0.09%+25,000+333.3%Added
Creative Planning31,292$1.26M0.00%−22,143−41.4%Reduced
Man Group plc30,903$1.24M0.00%+12,376+66.8%Added
Citadel Advisors LLC29,868$1.20M0.00%+4,271+16.7%Added
Summit Wealth Group LLC29,300$1.09M0.15%+29,300New
Intech Investment Management LLC26,460$1.06M0.01%+1,432+5.7%Added
Mirae Asset Global ETFs Holdings Ltd.26,356$1.06M0.00%−4,737−15.2%Reduced
Janus Henderson Group PLC26,114$1.05M0.00%00.0%Unchanged
Mutual of America Capital Management LLC25,907$1.04M0.01%−2,087−7.5%Reduced
Icon Advisers Inc25,700$1.03M0.23%00.0%Unchanged
Susquehanna International Group, LLP25,542$1.03M0.00%−50,231−66.3%Reduced
Numerai GP LLC24,887$1.00M0.14%+24,887New
Amalgamated Bank24,734$995.0K0.01%−60.0%Reduced
LPL Financial LLC24,538$986.7K0.00%+2,037+9.1%Added
New York State Teachers Retirement System23,345$939.0K0.00%−400−1.7%Reduced
QSV Equity Investors LLC22,419$901.5K0.92%00.0%Unchanged
Fuller & Thaler Asset Management, Inc.21,842$878.3K0.00%+1,400+6.8%Added
Captrust Financial Advisors21,271$855.3K0.00%−1,549−6.8%Reduced
SG Americas Securities, LLC21,255$855.0K0.00%+16,788+375.8%Added
Comerica Bank20,746$834.2K0.00%−1,352−6.1%Reduced
Aigen Investment Management, LP20,120$809.0K0.13%+15,879+374.4%Added
M&T Bank Corp20,038$804.8K0.00%−638−3.1%Reduced
Entropy Technologies, LP19,804$796.3K0.06%+15,910+408.6%Added
Dynamic Technology Lab Private Ltd18,840$757.0K0.13%+9,791+108.2%Added
Zurcher Kantonalbank (Zurich Cantonalbank)18,287$735.3K0.00%+1,282+7.5%Added
Teachers Retirement System of the State of Kentucky18,283$735.0K0.01%00.0%Unchanged
Azzad Asset Management Inc17,882$719.0K0.07%+410+2.3%Added
Yousif Capital Management, LLC17,722$712.6K0.01%−1,252−6.6%Reduced
Boothbay Fund Management, LLC17,608$708.0K0.02%+17,608New
Handelsbanken Fonder AB17,402$700.0K0.00%00.0%Unchanged
Arrowstreet Capital, Limited Partnership16,938$681.1K0.00%+16,938New
Pathstone Holdings, LLC16,923$680.5K0.00%−1,317−7.2%Reduced
Victory Capital Management Inc16,802$675.6K0.00%+1,997+13.5%Added
Teacher Retirement System of Texas16,725$672.5K0.00%−9,535−36.3%Reduced
Arizona State Retirement System16,647$669.4K0.00%+75+0.5%Added
Headlands Technologies LLC16,544$665.2K0.05%+10,182+160.0%Added
Assetmark, Inc16,404$659.6K0.00%−4,150−20.2%Reduced
Two Sigma Advisers, LP16,400$659.4K0.00%+4,900+42.6%Added
State Board of Administration of Florida Retirement System16,279$654.6K0.00%00.0%Unchanged
Sit Investment Associates Inc15,900$639.0K0.01%+2,450+18.2%Added
Police & Firemen's Retirement System of New Jersey15,692$631.0K0.01%+2,914+22.8%Added
Louisiana State Employees Retirement System15,600$627.3K0.01%−200−1.3%Reduced
Ameritas Investment Partners, Inc.15,254$613.4K0.02%−1,401−8.4%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys14,397$578.9K0.00%−66−0.5%Reduced
Axq Capital, LP13,532$544.1K0.21%+13,532New
Natixis Advisors, L.P.13,449$541.0K0.00%−5,375−28.6%Reduced
State of Michigan Retirement System13,318$535.5K0.00%−200−1.5%Reduced
Brinker Capital Investments, LLC13,298$534.7K0.00%−233−1.7%Reduced
Neo Ivy Capital Management12,962$521.2K0.13%+12,962New
Thrivent Financial for Lutherans12,888$518.0K0.00%−366−2.8%Reduced
Cetera Investment Advisers12,632$508.0K0.00%+7,448+143.7%Added
Freestone Grove Partners LP12,588$506.2K0.00%+5,704+82.9%Added
Savvy Advisors, Inc.12,562$505.1K0.02%−59−0.5%Reduced
Northwestern Mutual Investment Management Company, LLC12,503$502.7K0.01%−65−0.5%Reduced
Snowden Capital Advisors LLC12,459$501.0K0.01%+660+5.6%Added
Advisors Asset Management, Inc.12,127$487.6K0.01%−999−7.6%Reduced
Guggenheim Capital LLC11,896$478.3K0.00%+1,647+16.1%Added
Quest Partners LLC11,744$472.2K0.03%−2,116−15.3%Reduced
Harbor Capital Advisors, Inc.11,722$471.0K0.04%−22,837−66.1%Reduced
State of Tennessee, Treasury Department11,656$468.7K0.00%00.0%Unchanged
New Mexico Educational Retirement Board11,600$466.0K0.01%00.0%Unchanged
Nisa Investment Advisors, LLC11,499$462.4K0.00%+13+0.1%Added
CWM Advisors, LLC11,451$460.4K0.04%+4,495+64.6%Added
Trust Point Inc.11,431$459.6K0.04%+509+4.7%Added
Oregon Public Employees Retirement Fund11,309$454.7K0.01%−200−1.7%Reduced
KLP Kapitalforvaltning AS11,300$454.4K0.00%00.0%Unchanged
Oppenheimer Asset Management Inc.10,872$437.2K0.00%−223−2.0%Reduced
JustInvest LLC10,627$427.3K0.00%−5,004−32.0%Reduced
Vident Advisory, LLC10,348$416.1K0.00%+4,598+80.0%Added
Bank of Montreal10,211$410.6K0.00%−1,112−9.8%Reduced
Voya Investment Management LLC10,196$410.0K0.00%−5,292−34.2%Reduced
Amundi10,479$409.1K0.00%00.0%Unchanged
First National Advisers, LLC9,639$387.6K0.05%+462+5.0%Added
US Bancorp9,625$387.0K0.00%−2,278−19.1%Reduced
Catalyst Private Wealth, LLC9,620$386.8K0.17%00.0%Unchanged
Brevan Howard Capital Management LP9,329$375.1K0.01%−91−1.0%Reduced
Penbrook Management LLC9,200$369.9K0.26%00.0%Unchanged
Ensign Peak Advisors, Inc8,902$357.9K0.00%−6,550−42.4%Reduced
State of Alaska, Department of Revenue8,875$356.0K0.00%+2,533+39.9%Added
NorthCrest Asset Manangement, LLC9,330$351.8K0.01%+3,362+56.3%Added
Prudential Financial Inc8,732$351.1K0.00%+72+0.8%Added
Aquatic Capital Management LLC8,656$348.1K0.01%+8,656New
NJ State Employees Deferred Compensation Plan8,600$345.8K0.04%00.0%Unchanged
Toroso Investments, LLC8,591$345.4K0.00%−437−4.8%Reduced
Pictet Asset Management Holding SA8,460$340.2K0.00%00.0%Unchanged
DekaBank Deutsche Girozentrale8,622$336.0K0.00%00.0%Unchanged
Xponance, Inc.7,958$320.0K0.00%−82−1.0%Reduced
DRW Securities, LLC8,049$315.7K0.02%+2,856+55.0%Added
MML Investors Services, LLC7,510$302.0K0.00%−177−2.3%Reduced
Pacer Advisors, Inc.7,456$299.8K0.00%+7,456New
Two Sigma Securities, LLC7,330$294.7K0.04%+2,756+60.3%Added