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Power Integrations (POWI) Institutional Ownership

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$50.39 +1.24 (+2.52%)
Closing price 09/18/2026 04:00 PM Eastern
Extended Trading
$50.36 -0.03 (-0.06%)
As of 09/18/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Power Integrations (NASDAQ:POWI)

Number of
Institutional Buyers
(last 12 months)
174
Total
Institutional Inflows
(last 12 months)
$1.49B
Number of
Institutional Sellers
(last 12 months)
109
Total
Institutional Outflows
(last 12 months)
$138.12M
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POWI Institutional Buying and Selling by Quarter

Power Integrations Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026 Sequoia Financial Advisors LLC2,432$204K0.0%N/A0.004%
9/9/2026 Tidal Investments LLC14,258$1.19M0.0%+33.6%0.026%
9/9/2026 WINTON GROUP Ltd3,825$320K0.0%-77.4%0.007%
9/9/2026 Squarepoint Ops LLC9,731$815K0.0%N/A0.017%
9/9/2026 Baird Financial Group Inc.3,140$263K0.0%N/A0.006%
9/8/2026 Arizona State Retirement System14,932$1.25M0.0%-1.8%0.027%
9/8/2026 Nykredit A S1,682$141K0.0%N/A0.003%
8/27/2026 Corient Private Wealth LP12,808$1.07M0.0%N/A0.023%
8/26/2026 Amundi13,933$1.17M0.0%+21.3%0.025%
8/26/2026 HighTower Advisors LLC2,613$219K0.0%-68.5%0.005%
8/25/2026 VIRGINIA RETIREMENT SYSTEMS ET Al3,600$302K0.0%N/A0.006%
8/21/2026 Nykredit A S1,682$141K0.0%N/A0.003%
8/20/2026 Headlands Technologies LLC3,334$279K0.0%N/A0.006%
8/20/2026 Two Sigma Securities LLC3,203$268K0.0%N/A0.006%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC136,588$11.44M0.0%+3.7%0.244%
8/19/2026 Van ECK Associates Corp35,988$3.01M0.0%+40.3%0.064%
8/19/2026 Hsbc Holdings PLC5,213$437K0.0%+6.7%0.009%
8/19/2026 Wellington Management Group LLP3,595,855$301.19M0.1%+7.1%6.436%
8/18/2026 Public Employees Retirement System of Ohio33,197$2.78M0.0%N/A0.059%
8/17/2026 Capstone Investment Advisors LLC2,408$202K0.0%N/A0.004%
8/17/2026 Corient Private Wealth LP12,828$1.07M0.0%N/A0.023%
8/17/2026 Bank of America Corp DE381,535$31.96M0.0%N/A0.683%
8/15/2026 Odyssean LLC7,580$635K0.1%N/A0.014%
8/15/2026 Man Group plc40,902$3.43M0.0%N/A0.073%
8/15/2026 Jupiter Topco LLC22,414$1.88M0.0%N/A0.040%
8/14/2026 Hsbc Holdings PLC5,213$437K0.0%N/A0.009%
8/14/2026 Palisade Capital Management LP57,159$4.79M0.2%N/A0.102%
8/14/2026 Legal & General Group Plc133,777$11.21M0.0%N/A0.239%
8/14/2026 The Manufacturers Life Insurance Company54,451$4.56M0.0%N/A0.097%
8/13/2026 Sanctuary Advisors LLC2,671$224K0.0%N/A0.005%
8/13/2026 Connor Clark & Lunn Investment Management Ltd.409,271$34.28M0.1%N/A0.733%
8/12/2026 Northwestern Mutual Wealth Management Co.568$48K0.0%N/A0.001%
8/12/2026 William Blair Investment Management LLC2,382,007$199.52M0.6%N/A4.275%
8/12/2026 Avanda Investment Management Pte. Ltd.12,500$1.05M0.3%N/A0.022%
8/11/2026 Allworth Financial LP506$42K0.0%N/A0.001%
8/11/2026 Ceredex Value Advisors LLC161,400$13.52M0.4%N/A0.290%
8/11/2026 Madison Asset Management LLC45,678$3.83M0.0%N/A0.082%
8/11/2026 Lisanti Capital Growth LLC34,790$2.91M0.6%N/A0.062%
8/10/2026 NewEdge Wealth LLC3,165$265K0.0%N/A0.006%
8/8/2026 First National Bank of Omaha34,396$2.88M0.1%N/A0.062%
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8/7/2026 BlackRock Inc.8,722,053$730.56M0.0%N/A15.653%
8/7/2026 Deutsche Bank AG150,103$12.57M0.0%N/A0.269%
8/7/2026 Old West Investment Management LLC18,536$1.55M0.2%N/A0.033%
8/6/2026 Global Retirement Partners LLC531$44K0.0%N/A0.001%
8/6/2026 Bank of New York Mellon Corp466,513$39.08M0.0%N/A0.837%
8/6/2026 State of Wyoming8,424$706K0.1%N/A0.015%
8/6/2026 GSA Capital Partners LLP15,288$1.28M0.1%N/A0.027%
8/3/2026 Oppenheimer Asset Management Inc.5,721$479K0.0%N/A0.010%
7/10/2026 Handelsbanken Fonder AB22,202$1.86M0.0%-85.0%0.040%
7/8/2026 Trust Point Inc.8,902$746K0.1%-26.3%0.016%
7/7/2026 GAMMA Investing LLC1,885$158K0.0%+29.9%0.003%
7/7/2026 Harbor Investment Advisory LLC395$33K0.0%N/A0.001%
6/18/2026 Pacer Advisors Inc.3,896$199K0.0%+97.8%0.007%
5/19/2026Cim Investment Management Inc.4,811$246K0.1%N/A0.009%
5/19/2026 Bank of America Corp DE601,468$30.80M0.0%+1.1%1.079%
5/18/2026 Amundi11,485$588K0.0%+10.1%0.021%
5/18/2026 EverSource Wealth Advisors LLC814$42K0.0%+125.5%0.001%
5/18/2026 California State Teachers Retirement System65,641$3.36M0.0%+25.2%0.118%
5/18/2026 Royal Bank of Canada82,597$4.23M0.0%+9.6%0.148%
5/18/2026 Empowered Funds LLC6,180$316K0.0%N/A0.011%
5/16/2026 The Manufacturers Life Insurance Company61,827$3.16M0.0%-4.5%0.111%
5/16/2026 Quantinno Capital Management LP13,645$699K0.0%+21.4%0.024%
5/15/2026 Van Diest Capital LLC9,290$476K0.4%N/A0.017%
5/15/2026 Cannell & Spears LLC63,278$3.03M0.1%+98.8%0.114%
5/14/2026 Bollard Group LLC1,709$88K0.0%-23.8%0.003%
5/14/2026 Sei Investments Co.218,429$11.18M0.0%+36.2%0.392%
5/13/2026 Cetera Investment Advisers15,843$811K0.0%+22.1%0.028%
5/13/2026 First Trust Advisors LP193,917$9.93M0.0%-14.9%0.348%
5/8/2026 PNC Financial Services Group Inc.4,530$232K0.0%+42.0%0.008%
5/8/2026 Madison Asset Management LLC102,882$5.27M0.1%-0.9%0.185%
5/7/2026 WCM Investment Management LLC156,928$7.51M0.0%N/A0.282%
5/7/2026 Dimensional Fund Advisors LP1,057,155$54.11M0.0%+7.3%1.898%
5/7/2026 Swiss National Bank109,500$5.61M0.0%-1.0%0.197%
5/6/2026 Copeland Capital Management LLC1,321,789$67.68M1.5%+12.6%2.373%
5/6/2026 Bessemer Group Inc.108,288$5.54M0.0%+1.2%0.194%
5/5/2026 Bank of New York Mellon Corp455,065$23.30M0.0%-4.7%0.817%
5/5/2026 Illinois Municipal Retirement Fund28,739$1.47M0.0%N/A0.052%
5/5/2026 Three Seasons Wealth LLC4,523$232K0.1%N/A0.008%
5/5/2026 Sanctuary Advisors LLC5,799$297K0.0%-10.7%0.010%
5/4/2026 Calamos Advisors LLC23,076$1.18M0.0%N/A0.041%
5/4/2026 Emerald Mutual Fund Advisers Trust61,294$3.14M0.2%N/A0.110%
5/4/2026 Emerald Advisers LLC116,044$5.94M0.2%N/A0.208%
5/4/2026 Principal Financial Group Inc.271,385$13.90M0.0%+2.5%0.487%
5/4/2026 Teachers Retirement System of The State of Kentucky37,011$1.90M0.0%+180.9%0.066%
5/1/2026 Fifth Third Bancorp26,123$1.34M0.0%+232.4%0.047%
4/30/2026 Hsbc Holdings PLC4,884$250K0.0%-18.1%0.009%
4/30/2026 Azzad Asset Management Inc. ADV20,787$1.06M0.1%-8.8%0.037%
4/30/2026 Granite Investment Partners LLC324,926$16.64M1.0%-8.5%0.583%
4/30/2026 Personal CFO Solutions LLC5,527$283K0.0%N/A0.010%
4/28/2026 Stephens Inc. AR6,800$348K0.0%-5.0%0.012%
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4/28/2026 Stephens Investment Management Group LLC745,169$38.15M0.5%-0.4%1.338%
4/27/2026 New York State Teachers Retirement System23,919$1.23M0.0%-5.8%0.043%
4/25/2026 Boston Trust Walden Corp577,605$29.57M0.2%-10.7%1.037%
4/23/2026 Inspire Investing LLC10,117$518K0.0%-23.0%0.018%
4/22/2026 Janney Montgomery Scott LLC5,770$295K0.0%N/A0.010%
4/22/2026 Pictet Asset Management Holding SA8,735$447K0.0%-12.4%0.016%
4/22/2026 Sterling Capital Management LLC11,532$590K0.0%-44.7%0.021%
4/21/2026 Louisiana State Employees Retirement System24,600$1.26M0.0%N/A0.044%
4/18/2026 Riverbridge Partners LLC336,068$17.21M0.4%-6.0%0.606%
4/16/2026 SG Americas Securities LLC17,831$913K0.0%-59.8%0.032%


POWI Institutional Ownership - Frequently Asked Questions

During the previous two years, 351 institutional investors and hedge funds held shares of Power Integrations. The most heavily invested institutionals were BlackRock Inc. ($730.56M), Wellington Management Group LLP ($301.19M), Vanguard Group Inc. ($268.57M), William Blair Investment Management LLC ($199.52M), State Street Corp ($120.87M), Disciplined Growth Investors Inc. MN ($79.09M), and Snyder Capital Management L P ($73.38M).Learn more on Power Integrations' institutional investors.

Of the 309 institutional investors that purchased Power Integrations' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($8.72M), William Blair Investment Management LLC ($2.38M), Wellington Management Group LLP ($1.58M), Snyder Capital Management L P ($1.42M), Invesco Ltd. ($1.33M), American Century Companies Inc. ($944.17K), and Norges Bank ($907.18K).

Institutional investors have bought a total of 22,756,268 shares in the last 24 months. This purchase volume represents approximately $1.49B in transactions.

Of the 109 institutional investors that sold Power Integrations' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Federated Hermes Inc. ($369.42K), Invesco Ltd. ($317.94K), Squarepoint Ops LLC ($283.25K), Boston Trust Walden Corp ($136.29K), UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC ($133.70K), Handelsbanken Fonder AB ($125.83K), and Congress Asset Management Co. ($125.07K).

Institutional investors have sold a total of 3,337,285 shares in the last 24 months. This volume of shares sold represents approximately $138.12M in transactions.


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Institutional ownership data for NASDAQ:POWI is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.
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