WG
MPWR icon

Wellington Group’s Monolithic Power Systems MPWR Stock Holding History

Wellington Group’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 		$919K Buy
665
+184
+38% +$276K 0.24% 73
2026
Q1 		$526K Buy
+481
New +$525K 0.16% 99

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

Wellington Group's MPWR Position: Q2 2026 in Review

Wellington Group increased its Monolithic Power Systems (MPWR) stake by 38% in Q2 2026, buying an estimated $276K and bringing the position to 665 shares worth $919K. The position accounts for 0.24% of the portfolio, ranked #73.

Wellington Group first reported a position in MPWR in Q1 2026 and has held it in 2 quarters since. 1,240 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Wellington Group held 665 shares of Monolithic Power Systems worth $919K as of Q2 2026.
  • Wellington Group bought 184 Monolithic Power Systems shares in Q2 2026, an estimated $276K.
  • Monolithic Power Systems made up 0.24% of Wellington Group's portfolio in Q2 2026, its #73 holding.
  • Wellington Group first reported a position in Monolithic Power Systems in Q1 2026 and has held it in 2 quarters since.
  • 1,240 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Wellington Group's 13F filing for Q2 2026, filed 14 Aug 2026.