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 		$109K Sell
100
-600
-86% -$656K ﹤0.01% 3635
2025
Q4 		$634K Sell
700
-400
-36% -$385K ﹤0.01% 2796
2025
Q3 		$1.01M Buy
1,100
+200
+22% +$162K ﹤0.01% 2082
2025
Q2 		$658K Sell
900
-900
-50% -$573K ﹤0.01% 2404
2025
Q1 		$1.04M Sell
1,800
-1,300
-42% -$819K ﹤0.01% 1940
2024
Q4 		$1.83M Buy
+3,100
New +$2.24M ﹤0.01% 1861
2024
Q3 		– Sell
-200
Closed -$164K – 5669
2024
Q2 		$164K Sell
200
-1,700
-89% -$1.23M ﹤0.01% 4434
2024
Q1 		$1.29M Buy
1,900
+1,200
+171% +$801K ﹤0.01% 2344
2023
Q4 		$442K Sell
700
-1,600
-70% -$836K ﹤0.01% 3039
2023
Q3 		$1.06M Buy
2,300
+900
+64% +$460K ﹤0.01% 2207
2023
Q2 		$756K Buy
1,400
+900
+180% +$428K ﹤0.01% 2087
2023
Q1 		$250K Buy
+500
New +$230K ﹤0.01% 2282

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.