FFO
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Fortitude Family Office’s Monolithic Power Systems MPWR Stock Holding History

Fortitude Family Office’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 		$37.3K Buy
27
+7
+35% +$10.5K 0.01% 351
2026
Q1 		$21.9K Buy
20
+6
+43% +$6.55K ﹤0.01% 408
2025
Q4 		$12.7K Buy
14
+1
+8% +$962 ﹤0.01% 507
2025
Q3 		$12K Hold
13
– – ﹤0.01% 505
2025
Q2 		$9.51K Buy
13
+4
+44% +$2.55K ﹤0.01% 575
2025
Q1 		$5.22K Hold
9
– – ﹤0.01% 716
2024
Q4 		$5.33K Hold
9
– – ﹤0.01% 823
2024
Q3 		$8.32K Hold
9
– – ﹤0.01% 619
2024
Q2 		$7.39K Hold
9
– – ﹤0.01% 474
2024
Q1 		$6.1K Hold
9
– – ﹤0.01% 522
2023
Q4 		$5.68K Buy
+9
New +$4.7K ﹤0.01% 555

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

Fortitude Family Office's MPWR Position: Q2 2026 in Review

Fortitude Family Office increased its Monolithic Power Systems (MPWR) stake by 35% in Q2 2026, buying an estimated $10.5K and bringing the position to 27 shares worth $37.3K. The position accounts for 0.01% of the portfolio, ranked #351.

Fortitude Family Office first reported a position in MPWR in Q4 2023 and has held it in 11 quarters since. 1,246 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Fortitude Family Office held 27 shares of Monolithic Power Systems worth $37.3K as of Q2 2026.
  • Fortitude Family Office bought 7 Monolithic Power Systems shares in Q2 2026, an estimated $10.5K.
  • Monolithic Power Systems made up 0.01% of Fortitude Family Office's portfolio in Q2 2026, its #351 holding.
  • Fortitude Family Office first reported a position in Monolithic Power Systems in Q4 2023 and has held it in 11 quarters since.
  • 1,246 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Fortitude Family Office's 13F filing for Q2 2026, filed 20 Jul 2026.