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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, Q2 2025

Institutional positions in Power Integrations Inc as of Jun 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
342
+4 vs. Q1 2025
Shares held
56.5M
−1.73M (−3.0%) vs. Q1 2025
Total value
$3.16B
+$215.2M (+7.3%) vs. Q1 2025
New holders
44
129 more added
Sold out
40
130 more reduced

4 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 342 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 heldQ2 2025: $3.16B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Power Integrations Inc; share changes are against Q1 2025.

Institutions holding POWI in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
JustInvest LLC15,631$873.8K0.01%+5,576+55.5%Added
Louisiana State Employees Retirement System15,800$883.2K0.02%−100−0.6%Reduced
State Board of Administration of Florida Retirement System16,279$910.0K0.00%00.0%Unchanged
Envestnet Portfolio Solutions, Inc.16,309$911.7K0.00%+9,410+136.4%Added
Arizona State Retirement System16,572$926.4K0.01%+286+1.8%Added
Ameritas Investment Partners, Inc.16,655$931.0K0.03%−461−2.7%Reduced
Engineers Gate Manager LP16,772$937.6K0.01%+3,984+31.2%Added
Schonfeld Strategic Advisors LLC16,890$944.2K0.01%+16,890New
Zurcher Kantonalbank (Zurich Cantonalbank)17,005$950.6K0.00%+1,815+11.9%Added
Walleye Capital LLC17,335$969.0K0.01%−1,669−8.8%Reduced
Handelsbanken Fonder AB17,402$973.0K0.00%−1,200−6.5%Reduced
Azzad Asset Management Inc17,472$976.7K0.10%+3,953+29.2%Added
Van Eck Associates Corp17,736$991.0K0.00%+2,910+19.6%Added
Pathstone Holdings, LLC18,240$1.02M0.00%−14,884−44.9%Reduced
Teachers Retirement System of the State of Kentucky18,283$1.02M0.01%00.0%Unchanged
Man Group plc18,527$1.04M0.00%+8,456+84.0%Added
Natixis Advisors, L.P.18,824$1.05M0.00%+4,717+33.4%Added
Yousif Capital Management, LLC18,974$1.06M0.01%−408−2.1%Reduced
Gsa Capital Partners LLP19,128$1.07M0.07%−652−3.3%Reduced
Fuller & Thaler Asset Management, Inc.20,442$1.14M0.00%+2,117+11.6%Added
Assetmark, Inc20,554$1.15M0.00%+2,874+16.3%Added
M&T Bank Corp20,676$1.16M0.00%+3,485+20.3%Added
Comerica Bank22,098$1.24M0.00%−36−0.2%Reduced
QSV Equity Investors LLC22,419$1.25M1.31%−333−1.5%Reduced
LPL Financial LLC22,501$1.26M0.00%+844+3.9%Added
Captrust Financial Advisors22,820$1.28M0.00%+4,410+24.0%Added
New York State Teachers Retirement System23,745$1.33M0.00%00.0%Unchanged
Amalgamated Bank24,740$1.38M0.01%−618−2.4%Reduced
Intech Investment Management LLC25,028$1.40M0.01%−4,751−16.0%Reduced
Citadel Advisors LLC25,597$1.43M0.00%−161,551−86.3%Reduced
Icon Advisers Inc25,700$1.44M0.33%+25,700New
Janus Henderson Group PLC26,114$1.46M0.00%00.0%Unchanged
Teacher Retirement System of Texas26,260$1.47M0.01%−2,498−8.7%Reduced
Mutual of America Capital Management LLC27,994$1.56M0.02%−1,307−4.5%Reduced
Nebula Research & Development LLC29,037$1.62M0.14%+6,322+27.8%Added
Bahl & Gaynor Inc29,972$1.68M0.01%−13,915−31.7%Reduced
Mirae Asset Global ETFs Holdings Ltd.31,093$1.74M0.00%−2,587−7.7%Reduced
Trexquant Investment LP31,556$1.76M0.02%+31,556New
Allianz Asset Management GmbH32,279$1.80M0.00%−43,379−57.3%Reduced
Public Employees Retirement System of Ohio34,496$1.93M0.01%+36+0.1%Added
Harbor Capital Advisors, Inc.34,559$1.93M0.08%+5,132+17.4%Added
Canada Pension Plan Investment Board34,600$1.93M0.00%00.0%Unchanged
State of New Jersey Common Pension Fund D37,289$2.08M0.01%+7,477+25.1%Added
Herald Investment Management Ltd38,000$2.12M0.31%00.0%Unchanged
B. Metzler seel. Sohn & Co. AG42,955$2.40M0.02%00.0%Unchanged
FMR LLC43,663$2.44M0.00%+1,939+4.6%Added
ExodusPoint Capital Management, LP44,125$2.47M0.03%+21,542+95.4%Added
Price T Rowe Associates Inc44,500$2.49M0.00%−1,547−3.4%Reduced
Great West Life Assurance Co44,591$2.49M0.00%+439+1.0%Added
First National Bank of Omaha46,781$2.62M0.17%+6,143+15.1%Added
Westerly Capital Management, LLC50,000$2.79M1.18%+50,000New
Campbell & CO Investment Adviser LLC51,039$2.85M0.18%+51,039New
California State Teachers Retirement System52,519$2.94M0.00%+118+0.2%Added
Creative Planning53,435$2.99M0.00%+22,487+72.7%Added
Millennium Management LLC53,558$2.99M0.00%+14,454+37.0%Added
Shell Asset Management Co55,613$3.11M0.11%−2,033−3.5%Reduced
Ameriprise Financial Inc59,083$3.30M0.00%−6,511−9.9%Reduced
EFG Asset Management (North America) Corp.60,013$3.35M0.47%−512−0.8%Reduced
Qube Research & Technologies Ltd61,585$3.44M0.00%−24,509−28.5%Reduced
Stifel Financial Corp62,116$3.47M0.00%−1,384−2.2%Reduced
State of Wisconsin Investment Board62,270$3.48M0.01%+8,062+14.9%Added
MetLife Investment Management63,015$3.52M0.02%−356−0.6%Reduced
Holocene Advisors, LP64,579$3.61M0.01%+15,867+32.6%Added
Global Alpha Capital Management Ltd.67,137$3.75M0.23%+36,592+119.8%Added
Russell Investments Group, Ltd.68,661$3.84M0.00%+881+1.3%Added
Deutsche Bank AG75,134$4.20M0.00%−37,580−33.3%Reduced
Susquehanna International Group, LLP75,773$4.24M0.01%+7,415+10.8%Added
StonePine Asset Management Inc.79,100$4.42M0.03%00.0%Unchanged
Congress Wealth Management LLC81,894$4.58M0.04%−3,854−4.5%Reduced
Capital Fund Management S.A.86,053$4.81M0.05%+20,819+31.9%Added
Retirement Systems of Alabama88,499$4.95M0.02%−494−0.6%Reduced
Royal Bank of Canada89,439$5.00M0.00%+13,647+18.0%Added
Raymond James Financial Inc90,707$5.07M0.00%+10,614+13.3%Added
Manufacturers Life Insurance Company, The93,455$5.22M0.00%−305−0.3%Reduced
Nicholas Company, Inc.100,745$5.63M0.09%−300.0%Reduced
Renaissance Technologies LLC101,100$5.65M0.01%−7,500−6.9%Reduced
BNP Paribas Arbitrage, SA102,451$5.73M0.00%+8,229+8.7%Added
Madison Asset Management, LLC103,075$5.76M0.06%+349+0.3%Added
California Public Employees Retirement System106,768$5.97M0.00%+2,559+2.5%Added
Swiss National Bank108,600$6.07M0.00%−1,600−1.5%Reduced
Citigroup Inc114,925$6.42M0.00%−259,121−69.3%Reduced
Alliancebernstein L.P.115,742$6.47M0.00%−254−0.2%Reduced
Legal & General Group Plc118,869$6.64M0.00%+2,189+1.9%Added
SEI Investments Co119,924$6.70M0.01%−1,513−1.2%Reduced
UBS Group AG121,899$6.81M0.00%−77,826−39.0%Reduced
Wells Fargo & Company122,242$6.83M0.00%+10,899+9.8%Added
Principal Financial Group Inc129,315$7.23M0.00%−3,403−2.6%Reduced
M&G Plc153,428$8.59M0.05%+160.0%Added
New York State Common Retirement Fund157,468$8.80M0.01%00.0%Unchanged
Crawford Investment Counsel Inc178,057$9.95M0.17%+3,437+2.0%Added
Jane Street Group, LLC184,644$10.3M0.02%+83,224+82.1%Added
Ceredex Value Advisors LLC199,400$11.1M0.24%−71,600−26.4%Reduced
Nuveen, LLC206,101$11.5M0.00%+144,589+235.1%Added
First Trust Advisors LP212,893$11.9M0.01%+22,987+12.1%Added
Granite Investment Partners, LLC220,453$12.3M0.60%−16,584−7.0%Reduced
Foresight Group Ltd Liability Partnership220,817$12.3M1.78%−2,381−1.1%Reduced
ProShare Advisors LLC240,180$13.4M0.03%−1,188−0.5%Reduced
Barclays PLC243,106$13.6M0.01%+22,502+10.2%Added
UBS Asset Management Americas Inc252,673$14.1M0.00%+77,919+44.6%Added
Public Employees Retirement Association of Colorado255,521$14.3M0.06%00.0%Unchanged