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Tortoise Investment Management’s Monolithic Power Systems MPWR Stock Holding History

Tortoise Investment Management’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
2025
Q4 		– Sell
-4
Closed -$3.68K – 966
2025
Q3 		$3.68K Buy
4
+1
+33% +$811 ﹤0.01% 747
2025
Q2 		$2.19K Buy
+3
New +$1.91K ﹤0.01% 781

Other funds holding MPWR

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
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
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Tortoise Investment Management's MPWR Position: Q4 2025 in Review

Tortoise Investment Management sold out of Monolithic Power Systems (MPWR) in Q4 2025, closing a stake of 4 shares — an estimated $3.68K sold.

Tortoise Investment Management first reported a position in MPWR in Q2 2025 and held it in 2 quarters. The position peaked at $3.68K in Q3 2025. 1,061 funds tracked by Wall St. Rank hold MPWR as of Q4 2025.

  • Tortoise Investment Management reported no remaining Monolithic Power Systems position as of Q4 2025 after selling out during the quarter.
  • Tortoise Investment Management sold 4 Monolithic Power Systems shares in Q4 2025, an estimated $3.68K.
  • Tortoise Investment Management first reported a position in Monolithic Power Systems in Q2 2025 and held it in 2 quarters.
  • Tortoise Investment Management's Monolithic Power Systems position peaked at $3.68K in Q3 2025.
  • 1,061 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q4 2025.

Based on Tortoise Investment Management's 13F filing for Q4 2025, filed 6 Feb 2026.