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Stephens Investment Management Group’s Monolithic Power Systems MPWR Stock Holding History

Stephens Investment Management Group’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 		$22.7M Buy
16,400
+3,575
+28% +$5.37M 0.24% 125
2026
Q1 		$14M Buy
12,825
+989
+8% +$1.08M 0.19% 134
2025
Q4 		$10.7M Buy
+11,836
New +$11.4M 0.14% 145

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

Stephens Investment Management Group's MPWR Position: Q2 2026 in Review

Stephens Investment Management Group increased its Monolithic Power Systems (MPWR) stake by 28% in Q2 2026, buying an estimated $5.37M and bringing the position to 16,400 shares worth $22.7M. The position accounts for 0.24% of the portfolio, ranked #125.

Stephens Investment Management Group first reported a position in MPWR in Q4 2025 and has held it in 3 quarters since. 1,240 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Stephens Investment Management Group held 16,400 shares of Monolithic Power Systems worth $22.7M as of Q2 2026.
  • Stephens Investment Management Group bought 3,575 Monolithic Power Systems shares in Q2 2026, an estimated $5.37M.
  • Monolithic Power Systems made up 0.24% of Stephens Investment Management Group's portfolio in Q2 2026, its #125 holding.
  • Stephens Investment Management Group first reported a position in Monolithic Power Systems in Q4 2025 and has held it in 3 quarters since.
  • 1,240 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Stephens Investment Management Group's 13F filing for Q2 2026, filed 29 Jul 2026.