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Old West Investment Management’s Power Integrations POWI Stock Holding History

Old West 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 		$1.55M Buy
18,536
+2,544
+16% +$184K 0.16% 94
2026
Q1 		$819K Buy
15,992
+7,007
+78% +$322K 0.09% 98
2025
Q4 		$319K Buy
+8,985
New +$341K 0.06% 96

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

Old West Investment Management's POWI Position: Q2 2026 in Review

Old West Investment Management increased its Power Integrations (POWI) stake by 16% in Q2 2026, buying an estimated $184K and bringing the position to 18,536 shares worth $1.55M. The position accounts for 0.16% of the portfolio, ranked #94.

Old West Investment Management first reported a position in POWI in Q4 2025 and has held it in 3 quarters since. 372 funds tracked by Wall St. Rank hold POWI as of Q2 2026.

  • Old West Investment Management held 18,536 shares of Power Integrations worth $1.55M as of Q2 2026.
  • Old West Investment Management bought 2,544 Power Integrations shares in Q2 2026, an estimated $184K.
  • Power Integrations made up 0.16% of Old West Investment Management's portfolio in Q2 2026, its #94 holding.
  • Old West Investment Management first reported a position in Power Integrations in Q4 2025 and has held it in 3 quarters since.
  • 372 funds tracked by Wall St. Rank held Power Integrations as of Q2 2026.

Based on Old West Investment Management's 13F filing for Q2 2026, filed 6 Aug 2026.