Vanguard Portfolio Management
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Vanguard Portfolio Management’s Monolithic Power Systems MPWR Stock Holding History

Vanguard Portfolio Management’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 		$3.46B Sell
2,504,858
-11,634
-0.5% -$17.5M 0.16% 104
2026
Q1 		$2.75B Buy
+2,516,492
New +$2.75B 0.14% 129

Other funds holding MPWR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T 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
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Vanguard Portfolio Management's MPWR Position: Q2 2026 in Review

Vanguard Portfolio Management reduced its Monolithic Power Systems (MPWR) stake by 0.46% in Q2 2026, selling an estimated $17.5M and leaving 2,504,858 shares worth $3.46B. The position accounts for 0.16% of the portfolio, ranked #104.

Vanguard Portfolio Management first reported a position in MPWR in Q1 2026 and has held it in 2 quarters since. 1,171 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Vanguard Portfolio Management held 2,504,858 shares of Monolithic Power Systems worth $3.46B as of Q2 2026.
  • Vanguard Portfolio Management sold 11,634 Monolithic Power Systems shares in Q2 2026, an estimated $17.5M.
  • Monolithic Power Systems made up 0.16% of Vanguard Portfolio Management's portfolio in Q2 2026, its #104 holding.
  • Vanguard Portfolio Management first reported a position in Monolithic Power Systems in Q1 2026 and has held it in 2 quarters since.
  • 1,171 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.