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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, Q4 2025

Institutional positions in Power Integrations Inc as of Dec 31, 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
299
−13 vs. Q3 2025
Shares held
59.7M
+3.82M (+6.8%) vs. Q3 2025
Total value
$2.12B
−$123.8M (−5.5%) vs. Q3 2025
New holders
55
102 more added
Sold out
68
111 more reduced

3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 299 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 heldQ4 2025: $2.12B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Power Integrations Inc; share changes are against Q3 2025.

Institutions holding POWI in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.8,511,304$302.5M0.01%+1,475,153+21.0%Added
Vanguard Group Inc7,556,919$268.6M0.00%+409,643+5.7%Added
Neuberger Berman Group LLC3,973,057$141.2M0.11%−215,197−5.1%Reduced
State Street Corp3,400,970$120.9M0.00%+518,284+18.0%Added
Wellington Management Group LLP2,423,972$86.1M0.02%+162,691+7.2%Added
Snyder Capital Management L P2,064,707$73.4M1.37%+1,234,981+148.8%Added
Disciplined Growth Investors Inc2,001,698$71.1M1.36%+34,758+1.8%Added
JPMorgan Chase & Co1,659,643$59.0M0.00%−6,849−0.4%Reduced
Geode Capital Management, LLC1,603,683$57.0M0.00%−48,767−3.0%Reduced
Morgan Stanley1,479,555$52.6M0.00%+20,618+1.4%Added
Capital International Investors1,264,369$44.9M0.01%−5930.0%Reduced
Copeland Capital Management, LLC1,173,907$41.7M0.93%−102,953−8.1%Reduced
Westwood Holdings Group Inc.1,037,517$36.9M0.30%+1,037,517New
Dimensional Fund Advisors LP985,227$35.0M0.01%−44,674−4.3%Reduced
Price T Rowe Associates Inc943,365$33.5M0.00%+895,857+1,885.7%Added
Northern Trust Corp824,990$29.3M0.00%−173,640−17.4%Reduced
Brown Advisory Inc749,127$26.6M0.04%−95,187−11.3%Reduced
Stephens Investment Management Group LLC747,929$26.6M0.35%+21,621+3.0%Added
Charles Schwab Investment Management Inc718,405$25.5M0.00%+50,189+7.5%Added
Nomura Holdings Inc654,046$23.2M0.07%+654,046New
Boston Trust Walden Corp646,744$23.0M0.17%−56,496−8.0%Reduced
Robeco Schweiz AG627,474$22.3M0.50%+2,236+0.4%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.597,875$21.2M0.02%+163,154+37.5%Added
Bank of America Corp594,835$21.1M0.00%−128,446−17.8%Reduced
Marshall Wace, LLP493,708$17.5M0.02%+78,968+19.0%Added
Bank of New York Mellon Corp477,549$17.0M0.00%+33,898+7.6%Added
Ceredex Value Advisors LLC453,650$16.1M0.48%+208,350+84.9%Added
Voloridge Investment Management, LLC441,559$15.7M0.06%+30,762+7.5%Added
Goldman Sachs Group Inc440,570$15.7M0.00%−29,180−6.2%Reduced
Riverbridge Partners LLC357,594$12.7M0.24%−19,518−5.2%Reduced
Granite Investment Partners, LLC355,031$12.6M0.75%+95,458+36.8%Added
ASR Vermogensbeheer N.V.340,666$12.1M0.14%+33,113+10.8%Added
ProShare Advisors LLC333,419$11.8M0.02%+58,823+21.4%Added
Grandeur Peak Global Advisors, LLC305,529$10.9M1.46%+305,529New
Federated Hermes, Inc.304,549$10.8M0.02%+27,489+9.9%Added
Tributary Capital Management, LLC303,221$10.8M1.06%+515+0.2%Added
AQR Capital Management LLC284,360$10.1M0.01%−44,817−13.6%Reduced
UBS Group AG276,073$9.81M0.00%+165,405+149.5%Added
Principal Financial Group Inc264,655$9.41M0.00%+137,790+108.6%Added
Public Employees Retirement Association of Colorado255,521$9.08M0.03%00.0%Unchanged
Invesco Ltd.242,853$8.63M0.00%+108,599+80.9%Added
Loomis Sayles & Co L P239,583$8.51M0.01%−35,542−12.9%Reduced
Silvercrest Asset Management Group LLC229,525$8.16M0.06%+229,525New
First Trust Advisors LP227,736$8.09M0.01%+27,306+13.6%Added
Foresight Group Ltd Liability Partnership219,494$7.88M1.26%−1,820−0.8%Reduced
Crawford Investment Counsel Inc220,803$7.85M0.13%+16,909+8.3%Added
Rhumbline Advisers210,219$7.47M0.01%−29,806−12.4%Reduced
Renaissance Technologies LLC206,100$7.32M0.01%−14,300−6.5%Reduced
Envestnet Asset Management Inc198,021$7.04M0.00%−91,158−31.5%Reduced
Public Sector Pension Investment Board191,500$6.81M0.02%+191,500New
Deutsche Bank AG166,872$5.93M0.00%−41,327−19.8%Reduced
SEI Investments Co160,372$5.70M0.01%+36,012+29.0%Added
Connor, Clark & Lunn Investment Management Ltd.151,072$5.37M0.01%+71,611+90.1%Added
Herald Investment Management Ltd150,000$5.33M0.70%+112,000+294.7%Added
Legal & General Group Plc145,895$5.19M0.00%+36,077+32.9%Added
Barclays PLC145,720$5.18M0.00%−49,217−25.2%Reduced
Nuveen, LLC133,245$4.74M0.00%−30,160−18.5%Reduced
S Squared Technology, LLC130,000$4.62M1.79%+70,000+116.7%Added
Citigroup Inc123,500$4.39M0.00%−10,564−7.9%Reduced
UBS Asset Management Americas Inc119,221$4.24M0.00%+251+0.2%Added
Nicholas Company, Inc.110,655$3.93M0.07%00.0%Unchanged
Swiss National Bank110,600$3.93M0.00%+1,500+1.4%Added
Bessemer Group Inc106,978$3.80M0.01%+99,836+1,397.9%Added
Millennium Management LLC106,559$3.79M0.00%−41,706−28.1%Reduced
Madison Asset Management, LLC103,843$3.69M0.04%+672+0.7%Added
Ameriprise Financial Inc97,081$3.46M0.00%+44,879+86.0%Added
Susquehanna International Group, LLP96,514$3.43M0.00%+70,972+277.9%Added
Wells Fargo & Company93,514$3.32M0.00%−21,221−18.5%Reduced
D. E. Shaw & Co., Inc.87,212$3.10M0.00%−567,362−86.7%Reduced
Canada Pension Plan Investment Board85,500$3.04M0.00%+400+0.5%Added
Trexquant Investment LP82,782$2.94M0.03%+37,595+83.2%Added
Russell Investments Group, Ltd.80,125$2.85M0.00%+10,696+15.4%Added
StonePine Asset Management Inc.79,100$2.81M0.02%00.0%Unchanged
Royal Bank of Canada75,329$2.68M0.00%−15,584−17.1%Reduced
Numerai GP LLC75,079$2.67M0.32%+50,192+201.7%Added
Holocene Advisors, LP73,635$2.62M0.01%−11,371−13.4%Reduced
Public Employees Retirement System of Ohio70,990$2.52M0.01%+36,439+105.5%Added
Engineers Gate Manager LP67,800$2.41M0.03%−42,948−38.8%Reduced
Alliancebernstein L.P.65,518$2.33M0.00%−47,959−42.3%Reduced
Manufacturers Life Insurance Company, The64,723$2.30M0.00%−29,689−31.4%Reduced
New York State Common Retirement Fund62,805$2.23M0.00%−102,660−62.0%Reduced
Panagora Asset Management Inc59,753$2.12M0.01%−46,441−43.7%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)56,658$2.01M0.00%+38,371+209.8%Added
Sora Investors LLC56,326$2.00M0.17%+56,326New
Raymond James Financial Inc56,144$2.00M0.00%+4,511+8.7%Added
Prudential Financial Inc52,053$1.87M0.00%+43,321+496.1%Added
California State Teachers Retirement System52,426$1.86M0.00%−95−0.2%Reduced
Capital Fund Management S.A.50,599$1.80M0.02%−15,766−23.8%Reduced
Great West Life Assurance Co49,734$1.77M0.00%+5,257+11.8%Added
Stifel Financial Corp49,149$1.75M0.00%−17,890−26.7%Reduced
Campbell & CO Investment Adviser LLC48,715$1.73M0.08%−1,781−3.5%Reduced
First National Bank of Omaha46,047$1.64M0.05%+366+0.8%Added
State of Wisconsin Investment Board45,550$1.62M0.00%−7,983−14.9%Reduced
SG Americas Securities, LLC44,351$1.58M0.00%+23,096+108.7%Added
Universal- Beteiligungs- und Servicegesellschaft mbH43,816$1.56M0.00%+718+1.7%Added
Arosa Capital Management LP40,000$1.42M0.91%+40,000New
Thrivent Financial for Lutherans38,024$1.35M0.00%+25,136+195.0%Added
Van Eck Associates Corp37,102$1.32M0.00%−399−1.1%Reduced
MetLife Investment Management32,551$1.16M0.01%−27,896−46.1%Reduced
LPL Financial LLC32,182$1.14M0.00%+7,644+31.2%Added