PEAK6
MPWR icon

PEAK6’s Monolithic Power Systems MPWR Stock Holding History

PEAK6’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 		$22.4M Sell
20,500
-37,200
-64% -$40.6M 0.05% 326
2025
Q4 		$52.3M Buy
57,700
+34,000
+143% +$32.7M 0.1% 168
2025
Q3 		$21.8M Buy
23,700
+22,600
+2,055% +$18.3M 0.03% 399
2025
Q2 		$805K Sell
1,100
-7,800
-88% -$4.97M ﹤0.01% 1912
2025
Q1 		$5.16M Buy
8,900
+4,600
+107% +$2.9M 0.01% 918
2024
Q4 		$2.54M Buy
+4,300
New +$3.11M 0.01% 1279

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

PEAK6's MPWR Position: Q1 2026 in Review

PEAK6 reduced its Monolithic Power Systems (MPWR) stake by 67% in Q1 2026, selling an estimated $2.19K and leaving 1 share worth $796. The position accounts for ﹤0.01% of the portfolio, ranked #2600.

PEAK6 first reported a position in MPWR in Q4 2024 and has held it in 6 quarters since. The position peaked at $554K in Q4 2024. 1,114 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.

  • PEAK6 held 1 share of Monolithic Power Systems worth $796 as of Q1 2026.
  • PEAK6 sold 2 Monolithic Power Systems shares in Q1 2026, an estimated $2.19K.
  • Monolithic Power Systems made up ﹤0.01% of PEAK6's portfolio in Q1 2026, its #2600 holding.
  • PEAK6 first reported a position in Monolithic Power Systems in Q4 2024 and has held it in 6 quarters since.
  • PEAK6's Monolithic Power Systems position peaked at $554K in Q4 2024.
  • 1,114 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.

Based on PEAK6's 13F filing for Q1 2026, filed 14 May 2026.