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Polymer Capital Management’s Monolithic Power Systems MPWR Stock Holding History

Polymer Capital 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
Q2 		– Sell
-3,800
Closed -$2.2M – 711
2025
Q1 		$2.2M Buy
+3,800
New +$2.39M 0.57% 42

Other funds holding MPWR

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Polymer Capital Management's MPWR Position: Q2 2025 in Review

Polymer Capital Management sold out of Monolithic Power Systems (MPWR) in Q2 2025, closing a stake of 3,800 shares — an estimated $2.2M sold.

Polymer Capital Management first reported a position in MPWR in Q1 2025 and held it in 1 quarter. The position peaked at $2.2M in Q1 2025. 905 funds tracked by Wall St. Rank hold MPWR as of Q2 2025.

  • Polymer Capital Management reported no remaining Monolithic Power Systems position as of Q2 2025 after selling out during the quarter.
  • Polymer Capital Management sold 3,800 Monolithic Power Systems shares in Q2 2025, an estimated $2.2M.
  • Polymer Capital Management first reported a position in Monolithic Power Systems in Q1 2025 and held it in 1 quarter.
  • Polymer Capital Management's Monolithic Power Systems position peaked at $2.2M in Q1 2025.
  • 905 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2025.

Based on Polymer Capital Management's 13F filing for Q2 2025, filed 14 Aug 2025.