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Buffalo Business & Estate Services’s Monolithic Power Systems MPWR Stock Holding History

Buffalo Business & Estate Services’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 		– Sell
-455
Closed -$683K – 60
2026
Q1 		$497K Sell
455
-84
-16% -$91.8K 0.07% 58
2025
Q4 		$489K Buy
+539
New +$519K 0.07% 53

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 $3.38T AUM 44.17% 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

Buffalo Business & Estate Services's MPWR Position: Q2 2026 in Review

Buffalo Business & Estate Services sold out of Monolithic Power Systems (MPWR) in Q2 2026, closing a stake of 455 shares — an estimated $683K sold.

Buffalo Business & Estate Services first reported a position in MPWR in Q4 2025 and held it in 2 quarters. The position peaked at $497K in Q1 2026. 1,246 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Buffalo Business & Estate Services reported no remaining Monolithic Power Systems position as of Q2 2026 after selling out during the quarter.
  • Buffalo Business & Estate Services sold 455 Monolithic Power Systems shares in Q2 2026, an estimated $683K.
  • Buffalo Business & Estate Services first reported a position in Monolithic Power Systems in Q4 2025 and held it in 2 quarters.
  • Buffalo Business & Estate Services's Monolithic Power Systems position peaked at $497K in Q1 2026.
  • 1,246 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Buffalo Business & Estate Services's 13F filing for Q2 2026, filed 23 Jul 2026.