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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 2021

Institutional positions in Power Integrations Inc as of Sep 30, 2021. 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
330
+35 vs. Q2 2021
Shares held
58.4M
−114.1K (−0.2%) vs. Q2 2021
Total value
$5.78B
+$975.9M (+20.3%) vs. Q2 2021
New holders
58
113 more added
Sold out
23
104 more reduced

2 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 2021: 330 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 2021: $5.78B
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 2021

Shares, value and share of portfolio for each institution holding Power Integrations Inc; share changes are against Q2 2021.

Institutions holding POWI in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Tudor Investment Corp Et Al22,249$2.20M0.05%−6,271−22.0%Reduced
Oppenheimer Asset Management Inc.22,453$2.22M0.03%−24−0.1%Reduced
Alps Advisors Inc22,766$2.25M0.02%+2,334+11.4%Added
Canada Pension Plan Investment Board23,000$2.28M0.00%+23,000New
Maryland State Retirement & Pension System23,723$2.42M0.07%+23,723New
Oregon Public Employees Retirement Fund24,529$2.43M0.03%−100−0.4%Reduced
Janus Henderson Group PLC24,971$2.47M0.00%+3,947+18.8%Added
SEI Investments Co25,073$2.48M0.01%+12,821+104.6%Added
Martingale Asset Management L P25,222$2.50M0.03%+12,907+104.8%Added
M&G Investment Management Ltd26,497$2.62M0.01%+145+0.6%Added
EAM Investors, LLC26,597$2.63M0.44%+26,597New
Brinker Capital Investments, LLC32,312$2.65M0.04%00.0%Unchanged
Allstate Corp27,180$2.69M0.11%−1,856−6.4%Reduced
FMR LLC27,905$2.76M0.00%+27,800+26,476.2%Added
AQR Capital Management LLC29,047$2.88M0.01%+1,417+5.1%Added
Louisiana State Employees Retirement System29,100$2.88M0.07%+1,700+6.2%Added
Amalgamated Bank31,750$3.14M0.03%−1,031−3.1%Reduced
ExodusPoint Capital Management, LP32,059$3.17M0.05%+10,120+46.1%Added
State of Tennessee, Treasury Department32,539$3.22M0.01%−2,061−6.0%Reduced
LPL Financial LLC32,591$3.23M0.00%−2,139−6.2%Reduced
D. E. Shaw & Co., Inc.34,279$3.39M0.00%−4,040−10.5%Reduced
New York State Teachers Retirement System35,211$3.49M0.01%−960−2.7%Reduced
US Bancorp35,325$3.50M0.01%+1,323+3.9%Added
State of New Jersey Common Pension Fund D35,811$3.54M0.01%+2,558+7.7%Added
American International Group, Inc.37,889$3.75M0.02%−1,347−3.4%Reduced
Herald Investment Management Ltd38,000$3.76M0.62%00.0%Unchanged
Teachers Retirement System of the State of Kentucky38,376$3.80M0.04%00.0%Unchanged
State of Alaska, Department of Revenue43,946$4.35M0.04%+1,989+4.7%Added
Texas Permanent School Fund44,599$4.42M0.05%−603−1.3%Reduced
Man Group plc44,806$4.43M0.02%+3,761+9.2%Added
Schroder Investment Management Group45,181$4.47M0.01%−30,521−40.3%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys45,714$4.53M0.05%−834−1.8%Reduced
Manufacturers Life Insurance Company, The46,272$4.58M0.00%−6,004−11.5%Reduced
Thrivent Financial for Lutherans48,734$4.82M0.01%−851−1.7%Reduced
Los Angeles Capital Management LLC50,570$5.01M0.02%+38,400+315.5%Added
Madison Asset Management, LLC50,648$5.01M0.07%+17,828+54.3%Added
Bank of Montreal47,539$5.02M0.00%+19,359+68.7%Added
HRT Financial LP52,260$5.17M0.03%+39,807+319.7%Added
Great West Life Assurance Co52,739$5.26M0.01%+531+1.0%Added
Russell Investments Group, Ltd.54,261$5.37M0.01%−6,561−10.8%Reduced
ProShare Advisors LLC54,268$5.37M0.02%−6,222−10.3%Reduced
Barclays PLC55,581$5.50M0.00%+15,440+38.5%Added
Stifel Financial Corp59,628$5.90M0.01%−15,735−20.9%Reduced
Bahl & Gaynor Inc59,994$5.94M0.04%−23,487−28.1%Reduced
Cubist Systematic Strategies, LLC60,227$5.96M0.08%+33,570+125.9%Added
UBS Asset Management Americas Inc63,601$6.30M0.00%−50.0%Reduced
Segall Bryant & Hamill, LLC64,583$6.39M0.06%+1,717+2.7%Added
Public Employees Retirement System of Ohio66,773$6.61M0.02%+17,674+36.0%Added
Citigroup Inc67,486$6.68M0.01%+9,064+15.5%Added
Deutsche Bank AG69,049$6.83M0.00%−15,696−18.5%Reduced
Comerica Bank68,908$7.03M0.04%+10,210+17.4%Added
ClariVest Asset Management LLC74,735$7.40M0.24%+2,127+2.9%Added
Assenagon Asset Management S.A.79,790$7.90M0.03%−109,210−57.8%Reduced
Amundi81,871$8.11M0.01%−104,100−56.0%Reduced
California State Teachers Retirement System82,314$8.15M0.01%−893−1.1%Reduced
BNP Paribas Arbitrage, SA85,790$8.49M0.02%+26,342+44.3%Added
Daiwa Securities Group Inc.87,500$8.66M0.06%+87,500New
Squarepoint Ops LLC89,680$8.88M0.06%+56,104+167.1%Added
Alliancebernstein L.P.93,612$9.27M0.00%−3,255−3.4%Reduced
Crawford Investment Counsel Inc96,962$9.60M0.20%−11,175−10.3%Reduced
AXA S.A.98,600$9.76M0.03%+77,400+365.1%Added
Prudential Financial Inc100,413$9.96M0.01%+16,241+19.3%Added
Grandeur Peak Global Advisors, LLC114,407$11.3M0.54%−4,256−3.6%Reduced
Congress Asset Management Co115,167$11.4M0.09%+3,061+2.7%Added
Public Sector Pension Investment Board121,834$12.1M0.07%−2,110−1.7%Reduced
Scout Investments, Inc.122,042$12.1M0.18%−1,353−1.1%Reduced
Pier Capital, LLC124,936$12.4M1.28%−2,368−1.9%Reduced
Envestnet Asset Management Inc128,059$12.7M0.01%+11,346+9.7%Added
Ensign Peak Advisors, Inc131,595$13.0M0.03%+5,325+4.2%Added
Swiss National Bank134,000$13.3M0.01%+1,600+1.2%Added
California Public Employees Retirement System135,216$13.4M0.01%+1,230+0.9%Added
Citadel Advisors LLC137,001$13.6M0.02%+44,375+47.9%Added
Moody Aldrich Partners LLC138,381$13.7M1.74%+9,243+7.2%Added
Fuller & Thaler Asset Management, Inc.143,475$14.2M0.09%+137,225+2,195.6%Added
Two Sigma Investments, LP143,559$14.2M0.04%+120,200+514.6%Added
Wells Fargo & Company146,677$14.5M0.00%−5,633−3.7%Reduced
Granahan Investment Management Inc151,555$15.0M0.28%+18,095+13.6%Added
State of Wisconsin Investment Board160,300$15.9M0.03%00.0%Unchanged
Credit Suisse AG166,654$16.5M0.01%−17,065−9.3%Reduced
Legal & General Group Plc169,691$16.8M0.01%+12,645+8.1%Added
William Blair Investment Management, LLC170,219$16.9M0.05%+170,219New
Two Sigma Advisers, LP171,800$17.0M0.04%+121,800+243.6%Added
New York State Common Retirement Fund173,993$17.2M0.02%−8,577−4.7%Reduced
Triodos Investment Management BV175,000$17.3M2.33%00.0%Unchanged
Rhumbline Advisers187,592$18.6M0.03%−7,287−3.7%Reduced
Renaissance Technologies LLC195,900$19.4M0.03%+53,200+37.3%Added
Nuveen Asset Management, LLC208,554$20.6M0.01%−14,127−6.3%Reduced
Vontobel Holding Ltd.237,555$23.5M0.21%+1,555+0.7%Added
Candriam Luxembourg S.C.A.243,579$24.1M0.16%−30,208−11.0%Reduced
Royal Bank of Canada250,014$24.8M0.01%+1,380+0.6%Added
Voya Investment Management LLC250,131$24.8M0.05%+221,968+788.2%Added
GW&K Investment Management, LLC264,836$26.2M0.23%+7,391+2.9%Added
Nicholas Company, Inc.271,045$26.8M0.47%−450.0%Reduced
Allianz Asset Management GmbH278,168$27.5M0.02%−7,527−2.6%Reduced
American Century Companies Inc300,665$29.8M0.02%+107,694+55.8%Added
Goldman Sachs Group Inc305,657$30.3M0.01%+64,059+26.5%Added
Parametric Portfolio Associates LLC314,300$31.1M0.02%+42,800+15.8%Added
Public Employees Retirement Association of Colorado323,115$32.0M0.14%−11,184−3.3%Reduced
Millennium Management LLC332,018$32.9M0.04%+149,677+82.1%Added
Morgan Stanley346,162$34.3M0.00%−10,280−2.9%Reduced