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Needham Investment Management’s Power Integrations POWI Stock Holding History

Needham Investment 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
Q1 		$1.3M Hold
25,400
– – 0.07% 131
2025
Q4 		$903K Sell
25,400
-7,100
-22% -$269K 0.06% 137
2025
Q3 		$1.31M Buy
32,500
+25,000
+333% +$1.21M 0.09% 124
2025
Q2 		$419K Buy
7,500
+2,500
+50% +$128K 0.03% 144
2025
Q1 		$253K Buy
+5,000
New +$299K 0.02% 150

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

Needham Investment Management's POWI Position: Q1 2026 in Review

Needham Investment Management held its Power Integrations (POWI) position steady in Q1 2026 at 25,400 shares worth $1.3M. The position accounts for 0.07% of the portfolio, ranked #131.

Needham Investment Management first reported a position in POWI in Q1 2025 and has held it in 5 quarters since. The position peaked at $1.31M in Q3 2025. 308 funds tracked by Wall St. Rank hold POWI as of Q1 2026.

  • Needham Investment Management held 25,400 shares of Power Integrations worth $1.3M as of Q1 2026.
  • Needham Investment Management left its Power Integrations share count unchanged in Q1 2026.
  • Power Integrations made up 0.07% of Needham Investment Management's portfolio in Q1 2026, its #131 holding.
  • Needham Investment Management first reported a position in Power Integrations in Q1 2025 and has held it in 5 quarters since.
  • Needham Investment Management's Power Integrations position peaked at $1.31M in Q3 2025.
  • 308 funds tracked by Wall St. Rank held Power Integrations as of Q1 2026.

Based on Needham Investment Management's 13F filing for Q1 2026, filed 15 May 2026.