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 $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

UBS Group's MPWR Position: Q1 2026 in Review

UBS Group increased its Monolithic Power Systems (MPWR) stake by 23% in Q1 2026, buying an estimated $111M and bringing the position to 540,413 shares worth $591M. The position accounts for 0.09% of the portfolio, ranked #230.

UBS Group first reported a position in MPWR in Q4 2014 and has held it in 46 quarters since. 1,114 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.

  • UBS Group held 540,413 shares of Monolithic Power Systems worth $591M as of Q1 2026.
  • UBS Group bought 101,428 Monolithic Power Systems shares in Q1 2026, an estimated $111M.
  • Monolithic Power Systems made up 0.09% of UBS Group's portfolio in Q1 2026, its #230 holding.
  • UBS Group first reported a position in Monolithic Power Systems in Q4 2014 and has held it in 46 quarters since.
  • 1,114 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.

Based on UBS Group's 13F filing for Q1 2026, filed 5 May 2026.