UBS Group
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UBS Group’s Monolithic Power Systems MPWR Stock Holding History

UBS 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
2025
Q2 		– Sell
-18,000
Closed -$10.4M – 10632
2025
Q1 		$10.4M Buy
+18,000
New +$11.3M ﹤0.01% 2991
2015
Q1 		– Sell
-100
Closed -$5K – 9134
2014
Q4 		$5K Buy
+100
New +$4.49K ﹤0.01% 8979

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

UBS Group's MPWR Position: Q2 2026 in Review

UBS Group reduced its Monolithic Power Systems (MPWR) stake by 17% in Q2 2026, selling an estimated $137M and leaving 449,479 shares worth $621M. The position accounts for 0.08% of the portfolio, ranked #229.

UBS Group first reported a position in MPWR in Q4 2014 and has held it in 47 quarters since. 1,245 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • UBS Group held 449,479 shares of Monolithic Power Systems worth $621M as of Q2 2026.
  • UBS Group sold 90,934 Monolithic Power Systems shares in Q2 2026, an estimated $137M.
  • Monolithic Power Systems made up 0.08% of UBS Group's portfolio in Q2 2026, its #229 holding.
  • UBS Group first reported a position in Monolithic Power Systems in Q4 2014 and has held it in 47 quarters since.
  • 1,245 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on UBS Group's 13F filing for Q2 2026, filed 13 Aug 2026.