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MPWR icon

AlphaQuest’s Monolithic Power Systems MPWR Stock Holding History

AlphaQuest’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 		– Sell
-276
Closed -$250K – 1267
2025
Q4 		$250K Sell
276
-328
-54% -$316K 0.01% 1334
2025
Q3 		$556K Buy
604
+532
+739% +$431K 0.04% 727
2025
Q2 		$52.7K Sell
72
-59
-45% -$37.6K 0.01% 1615
2025
Q1 		$76K Buy
131
+61
+87% +$38.4K 0.01% 1408
2024
Q4 		$41.4K Buy
+70
New +$50.7K 0.01% 1325
2024
Q3 		– Sell
-453
Closed -$372K – 1950
2024
Q2 		$372K Sell
453
-276
-38% -$199K 0.05% 565
2024
Q1 		$494K Buy
+729
New +$487K 0.09% 372

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
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

AlphaQuest's MPWR Position: Q1 2026 in Review

AlphaQuest sold out of Monolithic Power Systems (MPWR) in Q1 2026, closing a stake of 276 shares — an estimated $250K sold.

AlphaQuest first reported a position in MPWR in Q1 2024 and held it in 7 quarters. The position peaked at $556K in Q3 2025. 1,121 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.

  • AlphaQuest reported no remaining Monolithic Power Systems position as of Q1 2026 after selling out during the quarter.
  • AlphaQuest sold 276 Monolithic Power Systems shares in Q1 2026, an estimated $250K.
  • AlphaQuest first reported a position in Monolithic Power Systems in Q1 2024 and held it in 7 quarters.
  • AlphaQuest's Monolithic Power Systems position peaked at $556K in Q3 2025.
  • 1,121 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.

Based on AlphaQuest's 13F filing for Q1 2026.