Power Integrations Inc
POWI- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0000833640
No open-market purchases or sales by Power Integrations Inc insiders were filed in the last 90 days; 375 institutions reported holding it in 13F filings for Q2 2026, worth $5.24B in total; no superinvestor holds it.
Key figures
- Market capClose on Nov 10, 2026
- $2.46B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +70 vs. previous quarter
- 375
- 13F valueReported value at the end of Q2 2026
- $5.24B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $443.5M
- +5.9% year over year
- Net income, FY2025
- $22.1M
- −31.5% year over year
- Free cash flow, FY2025
- $87.1M
- +36.4% year over year
- Revenue, Q3 FY2026
- $125.5M
- +5.5% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 4.73M
- Shares sold short
- Change
- −429.8K
- −8.3% vs. previous
- Days to cover
- 6.65
- At average daily volume
Superinvestors holding POWI, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding POWI at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Power Integrations Inc insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 27, 2026 (view filing)9:28 AM ET | Jul 22 | 5 daysLate | Lloyd Jennifer APresident and CEO | SSale | −12.7K | $73.73 | −$935.6K | −8.5%136.7K after | 2 lots |
| Jun 2, 2026 (view filing) | May 29 | 4 days | Gupta SunilSr. Vice President, Operations | SSale | −6.86K | $83.67 | −$574.0K | −9.6%64.4K after | |
| May 29, 2026 (view filing) | May 27 | 2 days | Brathwaite NicholasDirector | SSale | −1.73K | $86.62 | −$149.7K | −7.2%22.2K after | |
| May 29, 2026 (view filing) | May 28 | 1 day | Balakrishnan BaluDirector | SSale | −124.3K | $86.44 | −$10.7M | −30.8%279.5K after | 2 lots |
| May 28, 2026 (view filing) | May 26 | 2 days | Gupta SunilSr. Vice President, Operations | SSale | −15.9K | $82.18 | −$1.31M | −18.2%71.2K after | |
| May 28, 2026 (view filing) | May 26 | 2 days | Brathwaite NicholasDirector | SSale | −6.66K | $82.71 | −$550.4K | −21.7%24.0K after | |
| May 28, 2026 (view filing) | May 26 | 2 days | Balakrishnan BaluDirector | SSale | −118.6K | $81.72 | −$9.69M | −22.7%403.8K after | 2 lots |
| May 26, 2026 (view filing) | May 21 | 5 days | Balakrishnan BaluDirector | SSale | −53.9K | $70.71 | −$3.81M | −9.4%522.4K after | |
| May 15, 2026 (view filing) | May 13 | 2 days | Brathwaite NicholasDirector | SSale | −6.89K | $72.41 | −$499.3K | −18.4%30.6K after | |
| Apr 6, 2026 (view filing) | Apr 2 | 4 days | Jain GaganVP, Worldwide Sales | SSale | −313 | $51.93 | −$16.3K | −1.2%25.6K after | 4 lots |
Top 10 13F holders, Q2 2026
See all 375 holdersThe largest institutional positions in Power Integrations Inc at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8,722,053 | $730.6M | 0.01% | +200,304+2.4% | Added |
| Vanguard Portfolio Management LLC | 5,190,284 | $434.7M | 0.02% | +214,425+4.3% | Added |
| Wellington Management Group LLP | 3,595,855 | $301.2M | 0.05% | +239,702+7.1% | Added |
| State Street Corp | 3,194,155 | $267.5M | 0.01% | +116,312+3.8% | Added |
| Vanguard Capital Management LLC | 2,511,196 | $210.3M | 0.00% | +4,277+0.2% | Added |
| William Blair Investment Management, LLC | 2,382,007 | $199.5M | 0.60% | +1,330+0.1% | Added |
| Neuberger Berman Group LLC | 2,020,390 | $169.2M | 0.11% | −1,912,709−48.6% | Reduced |
| Price T Rowe Associates Inc | 1,924,939 | $161.2M | 0.02% | +528,456+37.8% | Added |
| Disciplined Growth Investors Inc | 1,891,864 | $158.5M | 2.68% | −67,308−3.4% | Reduced |
| Geode Capital Management, LLC | 1,803,038 | $151.0M | 0.01% | +128,213+7.7% | Added |
Holders of 5% or more of POWI
See all 5 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Power Integrations Inc.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 14.90%8.23M shares | – | Jan 21, 20261 filing | Jan 21, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G | 9.05%5.02M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| State Street Corp | 13G | 6.10%3.40M shares | +1.00 ppfrom 5.10% | Nov 10, 20252 filings | Feb 9, 2026 | SEC |
| Wellington Management Group LLP | 13G | 6.00%3.36M shares | New | May 15, 20261 filing | May 15, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.28%2.93M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
Politician trades
All politician trades in POWI3 members of Congress reported 3 trades in Power Integrations Inc since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| Sep 20, 2020 | Josh Gottheimer House · NJ | Sell | $1K-$15K |
| Sep 14, 2020 | Gilbert Ray Cisneros, Jr. House · CA | Sell | $1K-$15K |
| Apr 27, 2020 | Donna E. Shalala House · FL | Sell | $1K-$15K |

House · NJ · Sep 20, 2020
Sell$1K-$15K

House · CA · Sep 14, 2020
Sell$1K-$15K

House · FL · Apr 27, 2020
Sell$1K-$15K