Ken Fisher
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Ken Fisher’s Monolithic Power Systems MPWR Stock Holding History

Ken Fisher’s Portfolio MPWR Stock Details MPWR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$232K Sell
212
-26
-11% -$28.4K ﹤0.01% 951
2025
Q4 		$216K Buy
+238
New +$229K ﹤0.01% 975

Other funds holding MPWR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Ken Fisher's MPWR Position: Q1 2026 in Review

Ken Fisher reduced its Monolithic Power Systems (MPWR) stake by 11% in Q1 2026, selling an estimated $28.4K and leaving 212 shares worth $232K. The position accounts for ﹤0.01% of the portfolio, ranked #951.

Ken Fisher first reported a position in MPWR in Q4 2025 and has held it in 2 quarters since. 1,115 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.

  • Ken Fisher held 212 shares of Monolithic Power Systems worth $232K as of Q1 2026.
  • Ken Fisher sold 26 Monolithic Power Systems shares in Q1 2026, an estimated $28.4K.
  • Monolithic Power Systems made up ﹤0.01% of Ken Fisher's portfolio in Q1 2026, its #951 holding.
  • Ken Fisher first reported a position in Monolithic Power Systems in Q4 2025 and has held it in 2 quarters since.
  • 1,115 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.

Based on Fisher Asset Management's 13F filing for Q1 2026, filed 5 May 2026.