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Who owns Power Integrations (POWI) stock

345 funds reported Power Integrations (POWI) shares in their latest 13F filings, worth $5.6B in all. The largest holder is BlackRock ($731M). Last quarter 189 funds added to their stakes and 125 cut them.

Largest holders of POWI (13F)Largest holders of POWI (13F)BlackRock$731MVanguard Portfolio Management LLC$435MLepercq De Neuflize Asset Managem…$419MWellington Management Group LLP$301MVanguard Group$269MState Street$267MVanguard Capital Management LLC$210MWilliam Blair Investment Manageme…$200MNeuberger Berman Group LLC$169MPrice T Rowe Associates$161M

Largest holders (13F)

FundSharesValueChangeQuarter
BlackRock8,722,053$731Mincrease2026-06-30
Vanguard Portfolio Management LLC5,190,284$435Mincrease2026-06-30
Lepercq De Neuflize Asset Management LLC5,000$419Mdecrease2026-06-30
Wellington Management Group LLP3,595,855$301Mincrease2026-06-30
Vanguard Group7,556,919$269Mincrease2025-12-31
State Street3,194,155$267Mincrease2026-06-30
Vanguard Capital Management LLC2,511,196$210Mincrease2026-06-30
William Blair Investment Management, LLC2,382,007$200Mincrease2026-06-30
Neuberger Berman Group LLC2,020,390$169Mdecrease2026-06-30
Price T Rowe Associates1,924,939$161Mincrease2026-06-30
Disciplined Growth Investors1,891,864$158Mdecrease2026-06-30
Geode Capital Management, LLC1,803,038$151Mincrease2026-06-30
Snyder Capital Management L P1,766,507$148Mdecrease2026-06-30
Morgan Stanley1,192,455$99.9Mdecrease2026-06-30
Capital International Investors1,183,746$99.2Mincrease2026-06-30

Power Integrations' latest quarter

Power Integrations, Q3 2026: revenue $125M (+6% year over year), operating margin 15.2%, net earnings $18.3M, operating cash flow $42.6M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most POWI stock?

By the latest 13F filings: BlackRock ($731M); Vanguard Portfolio Management LLC ($435M); Lepercq De Neuflize Asset Management LLC ($419M); Wellington Management Group LLP ($301M); Vanguard Group ($269M).

What is the short interest in POWI?

5,161,894 shares were sold short at the 2026-10-15 settlement, -5.88% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.