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
Q2 		$887K Buy
642
+349
+119% +$524K ﹤0.01% 2226
2026
Q1 		$320K Buy
293
+105
+56% +$115K ﹤0.01% 3015
2025
Q4 		$170K Sell
188
-4,942
-96% -$4.76M ﹤0.01% 3622
2025
Q3 		$4.72M Buy
5,130
+4,197
+450% +$3.4M 0.02% 953
2025
Q2 		$682K Buy
933
+875
+1,509% +$557K ﹤0.01% 2378
2025
Q1 		$33.6K Sell
58
-16,317
-100% -$10.3M ﹤0.01% 3934
2024
Q4 		$9.69M Buy
16,375
+9,522
+139% +$6.9M 0.02% 650
2024
Q3 		$6.34M Buy
6,853
+5,843
+579% +$5.04M 0.01% 1001
2024
Q2 		$830K Sell
1,010
-89
-8% -$64.2K ﹤0.01% 3033
2024
Q1 		$744K Buy
+1,099
New +$734K ﹤0.01% 2858
2023
Q2 		– Sell
-2,406
Closed -$1.14M – 4674
2023
Q1 		$1.2M Sell
2,406
-7,884
-77% -$3.62M 0.02% 1030
2022
Q4 		$3.64M Buy
+10,290
New +$3.7M 0.07% 353
2022
Q3 		– Sell
-2,331
Closed -$895K – 3421
2022
Q2 		$895K Buy
+2,331
New +$985K 0.02% 697
2018
Q3 		$1.21M Buy
+9,604
New +$1.34M 0.56% 48

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

Walleye Capital's MPWR Position: Q2 2026 in Review

Walleye Capital increased its Monolithic Power Systems (MPWR) stake by 119% in Q2 2026, buying an estimated $524K and bringing the position to 642 shares worth $887K. The position accounts for ﹤0.01% of the portfolio, ranked #2226.

Walleye Capital first reported a position in MPWR in Q3 2018 and has held it in 14 quarters since. The position peaked at $9.69M in Q4 2024. 1,245 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Walleye Capital held 642 shares of Monolithic Power Systems worth $887K as of Q2 2026.
  • Walleye Capital bought 349 Monolithic Power Systems shares in Q2 2026, an estimated $524K.
  • Monolithic Power Systems made up ﹤0.01% of Walleye Capital's portfolio in Q2 2026, its #2226 holding.
  • Walleye Capital first reported a position in Monolithic Power Systems in Q3 2018 and has held it in 14 quarters since.
  • Walleye Capital's Monolithic Power Systems position peaked at $9.69M in Q4 2024.
  • 1,245 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Walleye Capital's 13F filing for Q2 2026, filed 3 Aug 2026.