Vanguard Portfolio Management
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Vanguard Portfolio Management’s Power Integrations POWI Stock Holding History

Vanguard Portfolio Management’s Portfolio POWI Stock Details POWI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$268M Sell
5,170,060
-20,224
-0.4% -$1.2M 0.01% 1005
2026
Q2 		$435M Buy
5,190,284
+214,425
+4% +$15.5M 0.02% 785
2026
Q1 		$255M Buy
+4,975,859
New +$228M 0.01% 994

Other funds holding POWI

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $148B AUM 31.56% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
Boston Trust Walden
Boston Trust Walden Boston, Massachusetts $12.4B AUM 21.62% 1-Year Est. Return
Robeco Schweiz
Robeco Schweiz Zurich, Switzerland $5.55B AUM 53.94% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $483B AUM 27.72% 1-Year Est. Return

Vanguard Portfolio Management's POWI Position: Q3 2026 in Review

Vanguard Portfolio Management reduced its Power Integrations (POWI) stake by 0.39% in Q3 2026, selling an estimated $1.2M and leaving 5,170,060 shares worth $268M. The position accounts for 0.01% of the portfolio, ranked #1005.

Vanguard Portfolio Management first reported a position in POWI in Q1 2026 and has held it in 3 quarters since. The position peaked at $435M in Q2 2026. 275 funds tracked by Wall St. Rank hold POWI as of Q3 2026.

  • Vanguard Portfolio Management held 5,170,060 shares of Power Integrations worth $268M as of Q3 2026.
  • Vanguard Portfolio Management sold 20,224 Power Integrations shares in Q3 2026, an estimated $1.2M.
  • Power Integrations made up 0.01% of Vanguard Portfolio Management's portfolio in Q3 2026, its #1005 holding.
  • Vanguard Portfolio Management first reported a position in Power Integrations in Q1 2026 and has held it in 3 quarters since.
  • Vanguard Portfolio Management's Power Integrations position peaked at $435M in Q2 2026.
  • 275 funds tracked by Wall St. Rank held Power Integrations as of Q3 2026.

Based on Vanguard Portfolio Management's 13F filing for Q3 2026, filed 13 Nov 2026.