Calamos Advisors
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Calamos Advisors’s Power Integrations POWI Stock Holding History

Calamos 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
Q1 		$1.18M Buy
+23,076
New +$1.06M ﹤0.01% 745
2014
Q3 		– Sell
-10,800
Closed -$311K – 664
2014
Q2 		$311K Buy
+10,800
New +$302K ﹤0.01% 627

Other funds holding POWI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
SCM
Snyder Capital Management San Francisco, California $5.16B AUM 26.72% 1-Year Est. Return
DGI
Disciplined Growth Investors Minneapolis, Minnesota $4.89B AUM 33.85% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Calamos Advisors's POWI Position: Q1 2026 in Review

Calamos Advisors opened a new position in Power Integrations (POWI) in Q1 2026: 23,076 shares worth $1.18M. The stake represents ﹤0.01% of the portfolio and ranks #745 among its holdings. This is a return to the name: Calamos Advisors previously reported a position in POWI as recently as Q2 2014.

Calamos Advisors first reported a position in POWI in Q2 2014 and has held it in 2 quarters since. 308 funds tracked by Wall St. Rank hold POWI as of Q1 2026.

  • Calamos Advisors held 23,076 shares of Power Integrations worth $1.18M as of Q1 2026.
  • Power Integrations was a new Calamos Advisors position in Q1 2026.
  • Power Integrations made up ﹤0.01% of Calamos Advisors's portfolio in Q1 2026, its #745 holding.
  • Calamos Advisors first reported a position in Power Integrations in Q2 2014 and has held it in 2 quarters since.
  • 308 funds tracked by Wall St. Rank held Power Integrations as of Q1 2026.

Based on Calamos Advisors's 13F filing for Q1 2026, filed 4 May 2026.