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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
Q2 		– Sell
-25,400
Closed -$1.3M – 182
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 $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 $3.37T AUM 44.26% 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

Needham Investment Management's POWI Position: Q2 2026 in Review

Needham Investment Management sold out of Power Integrations (POWI) in Q2 2026, closing a stake of 25,400 shares — an estimated $1.3M sold.

Needham Investment Management first reported a position in POWI in Q1 2025 and held it in 5 quarters. The position peaked at $1.31M in Q3 2025. 373 funds tracked by Wall St. Rank hold POWI as of Q2 2026.

  • Needham Investment Management reported no remaining Power Integrations position as of Q2 2026 after selling out during the quarter.
  • Needham Investment Management sold 25,400 Power Integrations shares in Q2 2026, an estimated $1.3M.
  • Needham Investment Management first reported a position in Power Integrations in Q1 2025 and held it in 5 quarters.
  • Needham Investment Management's Power Integrations position peaked at $1.31M in Q3 2025.
  • 373 funds tracked by Wall St. Rank held Power Integrations as of Q2 2026.

Based on Needham Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.