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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, Q1 2026

Institutional positions in Power Integrations Inc as of Mar 31, 2026. 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
308
+15 vs. Q4 2025
Shares held
63.5M
+11.4M (+21.9%) vs. Q4 2025
Total value
$3.24B
+$1.39B (+75.2%) vs. Q4 2025
New holders
53
118 more added
Sold out
38
97 more reduced

6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 308 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 heldQ1 2026: $3.24B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Power Integrations Inc; share changes are against Q4 2025.

Institutions holding POWI in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Coston, McIsaac & Partners7$00.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd2$1020.00%−3−60.0%Reduced
MV Capital Management, Inc.2$1030.00%+1+100.0%Added
Creative Financial Designs Inc4$2050.00%00.0%Unchanged
Abound Wealth Management4$2050.00%+4New
Dunhill Financial, LLC6$3220.00%+5+500.0%Added
Ankerstar Wealth, LLC7$3580.00%00.0%Unchanged
Gilpin Wealth Management, LLC8$4100.00%+4+100.0%Added
Essential Partners LLC8$4100.00%+8New
Cedar Mountain Advisors, LLC10$5120.00%00.0%Unchanged
Fortitude Family Office, LLC14$7170.00%00.0%Unchanged
North Star Investment Management Corp.14$7170.00%+14New
Private Wealth Management Group, LLC18$9220.00%00.0%Unchanged
Brown Brothers Harriman & Co19$9730.00%−109−85.2%Reduced
UMA Financial Services, Inc.19$9960.00%00.0%Unchanged
Avion Wealth27$1.00K0.00%00.0%Unchanged
MidFirst Bank21$1.07K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc24$1.23K0.00%−24−50.0%Reduced
Ancora Advisors, LLC25$1.28K0.00%00.0%Unchanged
IFP Advisors, Inc32$1.64K0.00%−1,790−98.2%Reduced
National Bank of Canada36$1.84K0.00%+33+1,100.0%Added
Richardson Capital Management LLC36$1.84K0.00%+36New
WPG Advisers, LLC41$2.10K0.00%+10+32.3%Added
Whipplewood Advisors, LLC43$2.20K0.00%+43New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.44$2.25K0.00%00.0%Unchanged
Leonteq Securities AG45$2.30K0.00%−3,300−98.7%Reduced
Bare Financial Services, Inc45$2.30K0.00%+32+246.2%Added
Quent Capital, LLC48$2.46K0.00%+3+6.7%Added
CBIZ Investment Advisory Services, LLC53$2.71K0.00%−492−90.3%Reduced
SBI Securities Co., Ltd.53$2.71K0.00%−1−1.9%Reduced
Horizon Investments, LLC54$2.77K0.00%+54New
International Assets Investment Management, LLC55$2.90K0.00%−101−64.7%Reduced
Keating Financial Advisory Services, Inc.59$3.02K0.00%+37+168.2%Added
MJT & Associates Financial Advisory Group, Inc.65$3.33K0.00%00.0%Unchanged
TD Private Client Wealth LLC66$3.38K0.00%00.0%Unchanged
Group One Trading, L.P.69$3.53K0.00%−4,795−98.6%Reduced
Zions Bancorporation, National Association75$3.84K0.00%+42+127.3%Added
Smithfield Trust Co70$4.00K0.00%00.0%Unchanged
Boreal Capital Management LLC80$4.10K0.00%00.0%Unchanged
Root Financial Partners, LLC91$4.66K0.00%+56+160.0%Added
Bell Investment Advisors, Inc92$4.71K0.00%+92New
GWM Advisors LLC96$4.92K0.00%00.0%Unchanged
Parkside Financial Bank & Trust99$5.07K0.00%−24−19.5%Reduced
Arlington Trust Co LLC107$5.48K0.00%+107New
True Wealth Design, LLC111$5.68K0.00%00.0%Unchanged
Crewe Advisors LLC112$5.74K0.00%00.0%Unchanged
AdvisorNet Financial, Inc116$5.94K0.00%00.0%Unchanged
Massmutual Trust Co FSB116$5.94K0.00%+18+18.4%Added
MAI Capital Management125$6.40K0.00%+45+56.3%Added
Asset Planning,Inc126$6.46K0.00%00.0%Unchanged
Rothschild Investment LLC144$7.37K0.00%+45+45.5%Added
Versant Capital Management, Inc144$7.37K0.00%+100+227.3%Added
Steigerwald, Gordon & Koch Inc.160$8.19K0.00%00.0%Unchanged
Transamerica Financial Advisors, Inc.177$9.06K0.00%+6+3.5%Added
Ronald Blue Trust, Inc.185$9.47K0.00%+185New
Signature Equity Partners, LLC187$9.57K0.01%+54+40.6%Added
Park Place Capital Corp192$9.83K0.00%00.0%Unchanged
Optiver Holding B.V.194$9.93K0.00%+194New
Farther Finance Advisors, LLC206$10.8K0.00%+32+18.4%Added
Larson Financial Group LLC245$12.5K0.00%−137−35.9%Reduced
Signaturefd, LLC270$13.8K0.00%+186+221.4%Added
Los Angeles Capital Management LLC280$14.3K0.00%00.0%Unchanged
Barrow Hanley Mewhinney & Strauss LLC295$15.1K0.00%+14+5.0%Added
Simplex Trading, LLC328$16.8K0.00%−6,484−95.2%Reduced
Private Trust Co NA370$18.9K0.00%+63+20.5%Added
Centerpoint Advisors, LLC412$21.0K0.01%00.0%Unchanged
Clear Street Markets LLC418$21.4K0.01%+383+1,094.3%Added
Kemnay Advisory Services Inc.449$23.0K0.00%+449New
Mather Group, LLC.466$23.9K0.00%+466New
Cornerstone Planning Group LLC317$24.4K0.00%−8−2.5%Reduced
Rockefeller Capital Management L.P.478$24.5K0.00%−49−9.3%Reduced
Advisory Services Network, LLC501$25.6K0.00%+501New
Basecamp Wealth Advisors LLC516$26.4K0.01%−30−5.5%Reduced
Allworth Financial LP536$27.4K0.00%+88+19.6%Added
Northwestern Mutual Wealth Management Co557$28.5K0.00%+36+6.9%Added
Pinnacle Wealth Planning Services, Inc.558$28.6K0.00%+280+100.7%Added
Salomon & Ludwin, LLC555$29.1K0.00%+287+107.1%Added
SRS Capital Advisors, Inc.612$31.4K0.00%+49+8.7%Added
Parallel Advisors, LLC628$32.2K0.00%+8+1.3%Added
Umb Bank N A662$33.9K0.00%−412−38.4%Reduced
Smartleaf Asset Management LLC776$37.2K0.00%+32+4.3%Added
EverSource Wealth Advisors, LLC814$41.7K0.00%+453+125.5%Added
Covestor Ltd897$46.0K0.03%−1,167−56.5%Reduced
Bayforest Capital Ltd960$49.2K0.06%+960New
Eurizon Capital SGR S.p.A.1,323$63.7K0.00%00.0%Unchanged
Global X Japan Co., Ltd.1,253$64.2K0.00%−745−37.3%Reduced
GAMMA Investing LLC1,451$74.3K0.00%+994+217.5%Added
Advisor Group Holdings, Inc.1,542$79.0K0.00%+152+10.9%Added
CWM, LLC1,714$87.8K0.00%+710+70.7%Added
Bollard Group LLC1,709$88.0K0.00%−533−23.8%Reduced
Sittner & Nelson, LLC1,878$96.2K0.04%+1,878New
KBC Group NV1,971$101.0K0.00%00.0%Unchanged
Huntington National Bank2,144$109.8K0.00%−184−7.9%Reduced
Freestone Grove Partners LP2,342$119.9K0.00%+2,342New
1620 Investment Advisors, Inc.2,657$136.0K0.09%−35−1.3%Reduced
Ensign Peak Advisors, Inc2,702$138.3K0.00%00.0%Unchanged
Guinness Atkinson Asset Management Inc3,228$165.3K0.08%00.0%Unchanged
Public Employees Retirement Association of Colorado3,602$184.0K0.00%−251,919−98.6%Reduced
Grandeur Peak Global Advisors, LLC3,782$193.6K0.05%−301,747−98.8%Reduced
Pacer Advisors, Inc.3,896$199.0K0.00%+1,926+97.8%Added