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D.J. St. Germain’s Monolithic Power Systems MPWR Stock Holding History

D.J. St. Germain’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 		$2.77K Hold
2
– – ﹤0.01% 802
2026
Q1 		$2.19K Sell
2
-194
-99% -$212K ﹤0.01% 806
2025
Q4 		$178K Sell
196
-5
-2% -$4.81K 0.01% 327
2025
Q3 		$185K Sell
201
-29
-13% -$23.5K 0.01% 313
2025
Q2 		$168K Buy
230
+228
+11,400% +$145K 0.01% 309
2025
Q1 		$1.16K Hold
2
– – ﹤0.01% 752
2024
Q4 		$1.18K Hold
2
– – ﹤0.01% 763
2024
Q3 		$1.85K Hold
2
– – ﹤0.01% 676
2024
Q2 		$1.64K Hold
2
– – ﹤0.01% 699
2024
Q1 		$1.35K Hold
2
– – ﹤0.01% 707
2023
Q4 		$1.26K Hold
2
– – ﹤0.01% 713
2023
Q3 		$924 Buy
+2
New +$1.02K ﹤0.01% 694

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

D.J. St. Germain's MPWR Position: Q2 2026 in Review

D.J. St. Germain held its Monolithic Power Systems (MPWR) position steady in Q2 2026 at 2 shares worth $2.77K. The position accounts for ﹤0.01% of the portfolio, ranked #802.

D.J. St. Germain first reported a position in MPWR in Q3 2023 and has held it in 12 quarters since. The position peaked at $185K in Q3 2025. 1,243 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • D.J. St. Germain held 2 shares of Monolithic Power Systems worth $2.77K as of Q2 2026.
  • D.J. St. Germain left its Monolithic Power Systems share count unchanged in Q2 2026.
  • Monolithic Power Systems made up ﹤0.01% of D.J. St. Germain's portfolio in Q2 2026, its #802 holding.
  • D.J. St. Germain first reported a position in Monolithic Power Systems in Q3 2023 and has held it in 12 quarters since.
  • D.J. St. Germain's Monolithic Power Systems position peaked at $185K in Q3 2025.
  • 1,243 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on D.J. St. Germain's 13F filing for Q2 2026, filed 21 Jul 2026.