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Rathbones Group’s Monolithic Power Systems MPWR Stock Holding History

Rathbones 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 		$5.98M Sell
4,325
-604
-12% -$907K 0.02% 201
2026
Q1 		$5.39M Sell
4,929
-606
-11% -$662K 0.02% 198
2025
Q4 		$5.02M Sell
5,535
-140
-2% -$135K 0.02% 217
2025
Q3 		$5.22M Sell
5,675
-25
-0.4% -$20.3K 0.02% 211
2025
Q2 		$4.17M Buy
5,700
+705
+14% +$449K 0.02% 227
2025
Q1 		$2.9M Buy
4,995
+1,488
+42% +$938K 0.01% 247
2024
Q4 		$2.08M Buy
3,507
+2,343
+201% +$1.7M 0.01% 276
2024
Q3 		$1.08M Buy
1,164
+48
+4% +$41.4K 0.01% 324
2024
Q2 		$917K Buy
+1,116
New +$805K 0.01% 336

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

Rathbones Group's MPWR Position: Q2 2026 in Review

Rathbones Group reduced its Monolithic Power Systems (MPWR) stake by 12% in Q2 2026, selling an estimated $907K and leaving 4,325 shares worth $5.98M. The position accounts for 0.02% of the portfolio, ranked #201.

Rathbones Group first reported a position in MPWR in Q2 2024 and has held it in 9 quarters since. 1,240 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Rathbones Group held 4,325 shares of Monolithic Power Systems worth $5.98M as of Q2 2026.
  • Rathbones Group sold 604 Monolithic Power Systems shares in Q2 2026, an estimated $907K.
  • Monolithic Power Systems made up 0.02% of Rathbones Group's portfolio in Q2 2026, its #201 holding.
  • Rathbones Group first reported a position in Monolithic Power Systems in Q2 2024 and has held it in 9 quarters since.
  • 1,240 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Rathbones Group's 13F filing for Q2 2026, filed 23 Jul 2026.