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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
Wealth Enhancement Advisory Services, LLC7,735$291.7K0.00%−1,370−15.0%Reduced
Acadian Asset Management LLC7,232$290.0K0.00%+7,232New
Mackenzie Financial Corp7,196$289.4K0.00%−3,973−35.6%Reduced
Quantinno Capital Management LP7,155$287.7K0.00%−6,219−46.5%Reduced
Bessemer Group Inc7,142$287.0K0.00%+451+6.7%Added
HSBC Holdings PLC6,500$261.4K0.00%−2,223−25.5%Reduced
Stephens Inc6,426$258.4K0.00%+1,904+42.1%Added
CIBC Bancorp USA Inc.6,047$243.2K0.00%+6,047New
Truist Financial Corp6,009$241.6K0.00%−54−0.9%Reduced
Diversified Trust Co5,872$236.1K0.00%+5,872New
Inceptionr LLC5,847$235.1K0.06%+5,847New
MQS Management LLC5,608$225.5K0.13%−288−4.9%Reduced
Gibbs Wealth Management5,470$220.0K0.05%−913−14.3%Reduced
Atria Investments LLC5,154$207.3K0.00%−4,038−43.9%Reduced
O'Shaughnessy Asset Management, LLC5,133$206.4K0.00%−1,190−18.8%Reduced
Securian Asset Management, Inc4,155$167.1K0.00%−43−1.0%Reduced
Premier Fund Managers Ltd4,213$166.0K0.01%−6,065−59.0%Reduced
Bayforest Capital Ltd3,834$154.2K0.07%+3,834New
The PNC Financial Services Group, Inc.3,032$121.9K0.00%−1,568−34.1%Reduced
1620 Investment Advisors, Inc.2,668$107.3K0.07%+2,668New
Guinness Atkinson Asset Management Inc2,574$101.3K0.05%00.0%Unchanged
Tower Research Capital LLC (TRC)2,298$92.4K0.00%−5,043−68.7%Reduced
Bollard Group LLC2,230$90.0K0.00%+12+0.5%Added
Parallel Advisors, LLC2,168$87.2K0.00%−361−14.3%Reduced
KBC Group NV1,971$79.0K0.00%00.0%Unchanged
Huntington National Bank1,871$75.2K0.00%+559+42.6%Added
IFP Advisors, Inc1,826$73.4K0.00%+168+10.1%Added
Covestor Ltd1,813$73.0K0.04%−3−0.2%Reduced
Fifth Third Bancorp1,769$71.1K0.00%−148−7.7%Reduced
Signaturefd, LLC1,649$66.3K0.00%−1,718−51.0%Reduced
CWM, LLC1,293$52.0K0.00%−2,958−69.6%Reduced
Quadrant Capital Group LLC1,209$48.6K0.00%−7,361−85.9%Reduced
GAMMA Investing LLC1,151$46.3K0.00%−1,623−58.5%Reduced
SRS Capital Advisors, Inc.1,102$44.3K0.00%−427−27.9%Reduced
Global X Japan Co., Ltd.1,009$40.6K0.00%+106+11.7%Added
Hantz Financial Services, Inc.849$34.0K0.00%+371+77.6%Added
Smartleaf Asset Management LLC770$30.3K0.00%+232+43.1%Added
Versant Capital Management, Inc666$26.8K0.00%−340−33.8%Reduced
Umb Bank N A664$26.7K0.00%−222−25.1%Reduced
Quarry LP603$24.2K0.01%+508+534.7%Added
Caitong International Asset Management Co., Ltd595$23.9K0.02%+595New
CIBC Private Wealth Group, LLC552$22.2K0.00%+4+0.7%Added
CBIZ Investment Advisory Services, LLC547$22.0K0.00%+116+26.9%Added
Mather Group, LLC.503$20.2K0.00%+503New
Optiver Holding B.V.494$19.9K0.00%+219+79.6%Added
Centerpoint Advisors, LLC412$17.0K0.01%+58+16.4%Added
Principal Securities, Inc.420$16.9K0.00%−70−14.3%Reduced
Rockefeller Capital Management L.P.405$16.3K0.00%+405New
Massmutual Trust Co FSB403$16.2K0.00%−219−35.2%Reduced
Allworth Financial LP392$15.8K0.00%−217−35.6%Reduced
Clearstead Advisors, LLC389$15.6K0.00%−584−60.0%Reduced
EverSource Wealth Advisors, LLC382$15.4K0.00%+148+63.2%Added
Shell Asset Management Co339$14.0K0.00%−55,274−99.4%Reduced
Tortoise Investment Management, LLC348$14.0K0.00%00.0%Unchanged
GW&K Investment Management, LLC301$12.0K0.00%00.0%Unchanged
Barrow Hanley Mewhinney & Strauss LLC281$11.3K0.00%+281New
Rise Advisors, LLC267$10.7K0.00%−9−3.3%Reduced
Rothschild Investment LLC250$10.1K0.00%+165+194.1%Added
Private Trust Co NA233$9.37K0.00%+134+135.4%Added
Advisory Services Network, LLC217$8.72K0.00%+217New
Park Place Capital Corp214$8.61K0.00%−140−39.5%Reduced
Brown Brothers Harriman & Co212$8.53K0.00%+84+65.6%Added
Binnacle Investments Inc206$8.28K0.00%+25+13.8%Added
Close Asset Management Ltd200$8.00K0.00%00.0%Unchanged
Global Retirement Partners, LLC166$6.67K0.00%+16+10.7%Added
Steigerwald, Gordon & Koch Inc.160$6.43K0.00%+160New
Farther Finance Advisors, LLC153$6.15K0.00%−11−6.7%Reduced
Sterling Capital Management LLC137$5.51K0.00%00.0%Unchanged
Transamerica Financial Advisors, Inc.132$5.31K0.00%+132New
Parkside Financial Bank & Trust121$4.87K0.00%−464−79.3%Reduced
Wealthspire Advisors, LLC116$4.67K0.00%+116New
Crewe Advisors LLC112$4.50K0.00%+112New
Larson Financial Group LLC104$4.18K0.00%−328−75.9%Reduced
Truvestments Capital LLC98$3.96K0.00%−88−47.3%Reduced
GWM Advisors LLC96$3.86K0.00%00.0%Unchanged
True Wealth Design, LLC89$3.58K0.00%−62−41.1%Reduced
MAI Capital Management80$3.22K0.00%−28−25.9%Reduced
Boreal Capital Management LLC80$3.22K0.00%+80New
Smithfield Trust Co70$3.00K0.00%00.0%Unchanged
Cornerstone Planning Group LLC28$2.73K0.00%+9+47.4%Added
TD Private Client Wealth LLC66$2.65K0.00%00.0%Unchanged
MJT & Associates Financial Advisory Group, Inc.65$2.61K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC58$2.33K0.00%+13+28.9%Added
SBI Securities Co., Ltd.56$2.25K0.00%+22+64.7%Added
Simplex Trading, LLC52$2.00K0.00%+52New
Farmers & Merchants Investments Inc48$1.93K0.00%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.44$1.77K0.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co44$1.77K0.00%+28+175.0%Added
Private Wealth Management Group, LLC41$1.65K0.00%00.0%Unchanged
UMA Financial Services, Inc.38$1.53K0.00%−18−32.1%Reduced
Bell Investment Advisors, Inc38$1.53K0.00%+11+40.7%Added
Leonteq Securities AG35$1.41K0.00%00.0%Unchanged
Root Financial Partners, LLC35$1.41K0.00%+35New
Cape Investment Advisory, Inc.34$1.37K0.00%00.0%Unchanged
WPG Advisers, LLC31$1.25K0.00%00.0%Unchanged
Whittier Trust Co of Nevada Inc31$1.20K0.00%00.0%Unchanged
Bare Financial Services, Inc26$1.04K0.00%−13−33.3%Reduced
Wealth Watch Advisors, INC26$1.04K0.00%+26New
Ancora Advisors, LLC25$1.00K0.00%00.0%Unchanged
Avion Wealth33$1.00K0.00%−10−23.3%Reduced