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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
Coston, McIsaac & Partners7$00.00%00.0%Unchanged
Retirement Wealth Solutions LLC1$310.00%−236−99.6%Reduced
Essential Partners LLC3$1210.00%−45−93.8%Reduced
Private Wealth Asset Management, LLC3$1210.00%00.0%Unchanged
Creative Financial Designs Inc4$1610.00%00.0%Unchanged
Kilter Group LLC6$2420.00%+1+20.0%Added
Manchester Capital Management LLC8$3220.00%−1−11.1%Reduced
Fortitude Family Office, LLC11$4420.00%00.0%Unchanged
MV Capital Management, Inc.11$4430.00%−13−54.2%Reduced
Central Trust Co14$5630.00%−37−72.5%Reduced
Quest 10 Wealth Builders, Inc.14$5630.00%+14New
Halbert Hargrove Global Advisors, LLC18$7240.00%+18New
Financial Network Wealth Advisors LLC21$8560.00%00.0%Unchanged
National Bank of Canada23$9070.00%−276−92.3%Reduced
JFS Wealth Advisors, LLC24$9660.00%−11−31.4%Reduced
Avion Wealth33$1.00K0.00%−10−23.3%Reduced
Ancora Advisors, LLC25$1.00K0.00%00.0%Unchanged
Bare Financial Services, Inc26$1.04K0.00%−13−33.3%Reduced
Wealth Watch Advisors, INC26$1.04K0.00%+26New
Whittier Trust Co of Nevada Inc31$1.20K0.00%00.0%Unchanged
WPG Advisers, LLC31$1.25K0.00%00.0%Unchanged
Cape Investment Advisory, Inc.34$1.37K0.00%00.0%Unchanged
Leonteq Securities AG35$1.41K0.00%00.0%Unchanged
Root Financial Partners, LLC35$1.41K0.00%+35New
UMA Financial Services, Inc.38$1.53K0.00%−18−32.1%Reduced
Bell Investment Advisors, Inc38$1.53K0.00%+11+40.7%Added
Private Wealth Management Group, LLC41$1.65K0.00%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
Farmers & Merchants Investments Inc48$1.93K0.00%00.0%Unchanged
Simplex Trading, LLC52$2.00K0.00%+52New
SBI Securities Co., Ltd.56$2.25K0.00%+22+64.7%Added
Steward Partners Investment Advisory, LLC58$2.33K0.00%+13+28.9%Added
MJT & Associates Financial Advisory Group, Inc.65$2.61K0.00%00.0%Unchanged
TD Private Client Wealth LLC66$2.65K0.00%00.0%Unchanged
Cornerstone Planning Group LLC28$2.73K0.00%+9+47.4%Added
Smithfield Trust Co70$3.00K0.00%00.0%Unchanged
MAI Capital Management80$3.22K0.00%−28−25.9%Reduced
Boreal Capital Management LLC80$3.22K0.00%+80New
True Wealth Design, LLC89$3.58K0.00%−62−41.1%Reduced
GWM Advisors LLC96$3.86K0.00%00.0%Unchanged
Truvestments Capital LLC98$3.96K0.00%−88−47.3%Reduced
Larson Financial Group LLC104$4.18K0.00%−328−75.9%Reduced
Crewe Advisors LLC112$4.50K0.00%+112New
Wealthspire Advisors, LLC116$4.67K0.00%+116New
Parkside Financial Bank & Trust121$4.87K0.00%−464−79.3%Reduced
Transamerica Financial Advisors, Inc.132$5.31K0.00%+132New
Sterling Capital Management LLC137$5.51K0.00%00.0%Unchanged
Farther Finance Advisors, LLC153$6.15K0.00%−11−6.7%Reduced
Steigerwald, Gordon & Koch Inc.160$6.43K0.00%+160New
Global Retirement Partners, LLC166$6.67K0.00%+16+10.7%Added
Close Asset Management Ltd200$8.00K0.00%00.0%Unchanged
Binnacle Investments Inc206$8.28K0.00%+25+13.8%Added
Brown Brothers Harriman & Co212$8.53K0.00%+84+65.6%Added
Park Place Capital Corp214$8.61K0.00%−140−39.5%Reduced
Advisory Services Network, LLC217$8.72K0.00%+217New
Private Trust Co NA233$9.37K0.00%+134+135.4%Added
Rothschild Investment LLC250$10.1K0.00%+165+194.1%Added
Rise Advisors, LLC267$10.7K0.00%−9−3.3%Reduced
Barrow Hanley Mewhinney & Strauss LLC281$11.3K0.00%+281New
GW&K Investment Management, LLC301$12.0K0.00%00.0%Unchanged
Tortoise Investment Management, LLC348$14.0K0.00%00.0%Unchanged
Shell Asset Management Co339$14.0K0.00%−55,274−99.4%Reduced
EverSource Wealth Advisors, LLC382$15.4K0.00%+148+63.2%Added
Clearstead Advisors, LLC389$15.6K0.00%−584−60.0%Reduced
Allworth Financial LP392$15.8K0.00%−217−35.6%Reduced
Massmutual Trust Co FSB403$16.2K0.00%−219−35.2%Reduced
Rockefeller Capital Management L.P.405$16.3K0.00%+405New
Principal Securities, Inc.420$16.9K0.00%−70−14.3%Reduced
Centerpoint Advisors, LLC412$17.0K0.01%+58+16.4%Added
Optiver Holding B.V.494$19.9K0.00%+219+79.6%Added
Mather Group, LLC.503$20.2K0.00%+503New
CBIZ Investment Advisory Services, LLC547$22.0K0.00%+116+26.9%Added
CIBC Private Wealth Group, LLC552$22.2K0.00%+4+0.7%Added
Caitong International Asset Management Co., Ltd595$23.9K0.02%+595New
Quarry LP603$24.2K0.01%+508+534.7%Added
Umb Bank N A664$26.7K0.00%−222−25.1%Reduced
Versant Capital Management, Inc666$26.8K0.00%−340−33.8%Reduced
Smartleaf Asset Management LLC770$30.3K0.00%+232+43.1%Added
Hantz Financial Services, Inc.849$34.0K0.00%+371+77.6%Added
Global X Japan Co., Ltd.1,009$40.6K0.00%+106+11.7%Added
SRS Capital Advisors, Inc.1,102$44.3K0.00%−427−27.9%Reduced
GAMMA Investing LLC1,151$46.3K0.00%−1,623−58.5%Reduced
Quadrant Capital Group LLC1,209$48.6K0.00%−7,361−85.9%Reduced
CWM, LLC1,293$52.0K0.00%−2,958−69.6%Reduced
Signaturefd, LLC1,649$66.3K0.00%−1,718−51.0%Reduced
Fifth Third Bancorp1,769$71.1K0.00%−148−7.7%Reduced
Covestor Ltd1,813$73.0K0.04%−3−0.2%Reduced
IFP Advisors, Inc1,826$73.4K0.00%+168+10.1%Added
Huntington National Bank1,871$75.2K0.00%+559+42.6%Added
KBC Group NV1,971$79.0K0.00%00.0%Unchanged
Parallel Advisors, LLC2,168$87.2K0.00%−361−14.3%Reduced
Bollard Group LLC2,230$90.0K0.00%+12+0.5%Added
Tower Research Capital LLC (TRC)2,298$92.4K0.00%−5,043−68.7%Reduced
Guinness Atkinson Asset Management Inc2,574$101.3K0.05%00.0%Unchanged
1620 Investment Advisors, Inc.2,668$107.3K0.07%+2,668New
The PNC Financial Services Group, Inc.3,032$121.9K0.00%−1,568−34.1%Reduced
Bayforest Capital Ltd3,834$154.2K0.07%+3,834New
Premier Fund Managers Ltd4,213$166.0K0.01%−6,065−59.0%Reduced
Securian Asset Management, Inc4,155$167.1K0.00%−43−1.0%Reduced