MUMSS
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Mitsubishi UFJ Morgan Stanley Securities’s Monolithic Power Systems MPWR Stock Holding History

Mitsubishi UFJ Morgan Stanley Securities’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
Q2 		$94K Sell
68
-227
-77% -$341K 0.29% 57
2026
Q1 		$323K Sell
295
-1,121
-79% -$1.22M 0.79% 17
2025
Q4 		$1.28M Buy
+1,416
New +$1.36M 2.02% 10

Other funds holding MPWR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Mitsubishi UFJ Morgan Stanley Securities's MPWR Position: Q2 2026 in Review

Mitsubishi UFJ Morgan Stanley Securities reduced its Monolithic Power Systems (MPWR) stake by 77% in Q2 2026, selling an estimated $341K and leaving 68 shares worth $94K. The position accounts for 0.29% of the portfolio, ranked #57.

Mitsubishi UFJ Morgan Stanley Securities first reported a position in MPWR in Q4 2025 and has held it in 3 quarters since. The position peaked at $1.28M in Q4 2025. 1,243 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Mitsubishi UFJ Morgan Stanley Securities held 68 shares of Monolithic Power Systems worth $94K as of Q2 2026.
  • Mitsubishi UFJ Morgan Stanley Securities sold 227 Monolithic Power Systems shares in Q2 2026, an estimated $341K.
  • Monolithic Power Systems made up 0.29% of Mitsubishi UFJ Morgan Stanley Securities's portfolio in Q2 2026, its #57 holding.
  • Mitsubishi UFJ Morgan Stanley Securities first reported a position in Monolithic Power Systems in Q4 2025 and has held it in 3 quarters since.
  • Mitsubishi UFJ Morgan Stanley Securities's Monolithic Power Systems position peaked at $1.28M in Q4 2025.
  • 1,243 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Mitsubishi UFJ Morgan Stanley Securities's 13F filing for Q2 2026, filed 15 Jul 2026.