Walleye Capital
MPWR icon

Walleye Capital’s Monolithic Power Systems MPWR Stock Holding History

Walleye Capital’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
Q1 		$1.2M Sell
1,100
-1,800
-62% -$1.97M 0.01% 1914
2025
Q4 		$2.63M Buy
2,900
+200
+7% +$192K 0.01% 1638
2025
Q3 		$2.49M Buy
2,700
+200
+8% +$162K 0.01% 1415
2025
Q2 		$1.83M Sell
2,500
-1,900
-43% -$1.21M 0.01% 1584
2025
Q1 		$2.55M Sell
4,400
-400
-8% -$252K 0.01% 1253
2024
Q4 		$2.84M Buy
4,800
+2,200
+85% +$1.59M 0.01% 1464
2024
Q3 		$2.4M Buy
2,600
+1,200
+86% +$1.04M 0.01% 1771
2024
Q2 		$1.15M Sell
1,400
-4,400
-76% -$3.18M ﹤0.01% 2691
2024
Q1 		$3.93M Buy
5,800
+3,900
+205% +$2.6M 0.01% 1475
2023
Q4 		$1.2M Sell
1,900
-400
-17% -$209K ﹤0.01% 2209
2023
Q3 		$1.06M Buy
2,300
+800
+53% +$409K ﹤0.01% 2208
2023
Q2 		$810K Buy
1,500
+1,100
+275% +$523K ﹤0.01% 2027
2023
Q1 		$200K Buy
+400
New +$184K ﹤0.01% 2469

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

Walleye Capital's MPWR Position: Q1 2026 in Review

Walleye Capital increased its Monolithic Power Systems (MPWR) stake by 56% in Q1 2026, buying an estimated $115K and bringing the position to 293 shares worth $320K. The position accounts for ﹤0.01% of the portfolio, ranked #3015.

Walleye Capital first reported a position in MPWR in Q3 2018 and has held it in 13 quarters since. The position peaked at $9.69M in Q4 2024. 1,114 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.

  • Walleye Capital held 293 shares of Monolithic Power Systems worth $320K as of Q1 2026.
  • Walleye Capital bought 105 Monolithic Power Systems shares in Q1 2026, an estimated $115K.
  • Monolithic Power Systems made up ﹤0.01% of Walleye Capital's portfolio in Q1 2026, its #3015 holding.
  • Walleye Capital first reported a position in Monolithic Power Systems in Q3 2018 and has held it in 13 quarters since.
  • Walleye Capital's Monolithic Power Systems position peaked at $9.69M in Q4 2024.
  • 1,114 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.

Based on Walleye Capital's 13F filing for Q1 2026, filed 11 May 2026.