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Mizuho Securities USA’s Monolithic Power Systems MPWR Stock Holding History

Mizuho Securities USA’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 		$5.32M Buy
3,846
+901
+31% +$1.35M 0.09% 229
2026
Q1 		$3.22M Sell
2,945
-543
-16% -$593K 0.08% 285
2025
Q4 		$3.24M Hold
3,488
– – 0.05% 298
2025
Q3 		$2.92M Buy
3,488
+176
+5% +$143K 0.06% 321
2025
Q2 		$2.42M Sell
3,312
-517
-14% -$329K 0.05% 347
2025
Q1 		$2.22M Sell
3,829
-794
-17% -$500K 0.05% 368
2024
Q4 		$2.74M Buy
4,623
+1,462
+46% +$1.06M 0.05% 349
2024
Q3 		$2.92M Sell
3,161
-593
-16% -$512K 0.06% 267
2024
Q2 		$3.08M Buy
+3,754
New +$2.71M 0.07% 263

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

Mizuho Securities USA's MPWR Position: Q2 2026 in Review

Mizuho Securities USA increased its Monolithic Power Systems (MPWR) stake by 31% in Q2 2026, buying an estimated $1.35M and bringing the position to 3,846 shares worth $5.32M. The position accounts for 0.09% of the portfolio, ranked #229.

Mizuho Securities USA first reported a position in MPWR in Q2 2024 and has held it in 9 quarters since. 1,243 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Mizuho Securities USA held 3,846 shares of Monolithic Power Systems worth $5.32M as of Q2 2026.
  • Mizuho Securities USA bought 901 Monolithic Power Systems shares in Q2 2026, an estimated $1.35M.
  • Monolithic Power Systems made up 0.09% of Mizuho Securities USA's portfolio in Q2 2026, its #229 holding.
  • Mizuho Securities USA first reported a position in Monolithic Power Systems in Q2 2024 and has held it in 9 quarters since.
  • 1,243 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Mizuho Securities USA's 13F filing for Q2 2026, filed 24 Jul 2026.