Capstone Investment Advisors
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Capstone Investment Advisors’s Power Integrations POWI Stock Holding History

Capstone Investment Advisors’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
Q2 		$202K Buy
+2,408
New +$174K ﹤0.01% 1611
2024
Q2 		– Sell
-6,731
Closed -$482K – 2379
2024
Q1 		$482K Buy
6,731
+1,647
+32% +$123K ﹤0.01% 1582
2023
Q4 		$417K Buy
+5,084
New +$390K ﹤0.01% 1427

Other funds holding POWI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
DGI
Disciplined Growth Investors Minneapolis, Minnesota $5.91B AUM 53.97% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Capstone Investment Advisors's POWI Position: Q2 2026 in Review

Capstone Investment Advisors opened a new position in Power Integrations (POWI) in Q2 2026: 2,408 shares worth $202K. The stake represents ﹤0.01% of the portfolio and ranks #1611 among its holdings. This is a return to the name: Capstone Investment Advisors previously reported a position in POWI as recently as Q1 2024.

Capstone Investment Advisors first reported a position in POWI in Q4 2023 and has held it in 3 quarters since. The position peaked at $482K in Q1 2024. 372 funds tracked by Wall St. Rank hold POWI as of Q2 2026.

  • Capstone Investment Advisors held 2,408 shares of Power Integrations worth $202K as of Q2 2026.
  • Power Integrations was a new Capstone Investment Advisors position in Q2 2026.
  • Power Integrations made up ﹤0.01% of Capstone Investment Advisors's portfolio in Q2 2026, its #1611 holding.
  • Capstone Investment Advisors first reported a position in Power Integrations in Q4 2023 and has held it in 3 quarters since.
  • Capstone Investment Advisors's Power Integrations position peaked at $482K in Q1 2024.
  • 372 funds tracked by Wall St. Rank held Power Integrations as of Q2 2026.

Based on Capstone Investment Advisors's 13F filing for Q2 2026, filed 17 Aug 2026.