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Chesley Taft & Associates’s Monolithic Power Systems MPWR Stock Holding History

Chesley Taft & Associates’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 		$292K Buy
211
+2
+1% +$3K 0.01% 327
2026
Q1 		$229K Buy
+209
New +$228K 0.01% 348

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

Chesley Taft & Associates's MPWR Position: Q2 2026 in Review

Chesley Taft & Associates increased its Monolithic Power Systems (MPWR) stake by 0.96% in Q2 2026, buying an estimated $3K and bringing the position to 211 shares worth $292K. The position accounts for 0.01% of the portfolio, ranked #327.

Chesley Taft & Associates first reported a position in MPWR in Q1 2026 and has held it in 2 quarters since. 1,238 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Chesley Taft & Associates held 211 shares of Monolithic Power Systems worth $292K as of Q2 2026.
  • Chesley Taft & Associates bought 2 Monolithic Power Systems shares in Q2 2026, an estimated $3K.
  • Monolithic Power Systems made up 0.01% of Chesley Taft & Associates's portfolio in Q2 2026, its #327 holding.
  • Chesley Taft & Associates first reported a position in Monolithic Power Systems in Q1 2026 and has held it in 2 quarters since.
  • 1,238 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Chesley Taft & Associates's 13F filing for Q2 2026, filed 8 Jul 2026.