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Ossiam’s Monolithic Power Systems MPWR Stock Holding History

Ossiam’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 		$1.57M Buy
+1,134
New +$1.7M 0.02% 338
2025
Q4 		– Sell
-2,250
Closed -$2.07M – 578
2025
Q3 		$2.07M Buy
2,250
+244
+12% +$198K 0.03% 337
2025
Q2 		$1.47M Buy
2,006
+865
+76% +$551K 0.02% 321
2025
Q1 		$662K Sell
1,141
-23
-2% -$14.5K 0.01% 389
2024
Q4 		$689K Buy
1,164
+149
+15% +$108K 0.01% 421
2024
Q3 		$938K Sell
1,015
-417
-29% -$360K 0.02% 355
2024
Q2 		$1.18M Buy
1,432
+858
+149% +$619K 0.02% 330
2024
Q1 		$389K Sell
574
-767
-57% -$512K 0.01% 521
2023
Q4 		$846K Buy
1,341
+159
+13% +$83.1K 0.01% 389
2023
Q3 		$546K Buy
1,182
+495
+72% +$253K 0.01% 451
2023
Q2 		$371K Buy
687
+371
+117% +$176K 0.01% 486
2023
Q1 		$158K Sell
316
-7,464
-96% -$3.43M ﹤0.01% 513
2022
Q4 		$2.75M Buy
7,780
+7,426
+2,098% +$2.67M 0.07% 166
2022
Q3 		$129K Buy
+354
New +$157K ﹤0.01% 514

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

Ossiam's MPWR Position: Q2 2026 in Review

Ossiam opened a new position in Monolithic Power Systems (MPWR) in Q2 2026: 1,134 shares worth $1.57M. The stake represents 0.02% of the portfolio and ranks #338 among its holdings. This is a return to the name: Ossiam previously reported a position in MPWR as recently as Q3 2025.

Ossiam first reported a position in MPWR in Q3 2022 and has held it in 14 quarters since. The position peaked at $2.75M in Q4 2022. 1,243 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Ossiam held 1,134 shares of Monolithic Power Systems worth $1.57M as of Q2 2026.
  • Monolithic Power Systems was a new Ossiam position in Q2 2026.
  • Monolithic Power Systems made up 0.02% of Ossiam's portfolio in Q2 2026, its #338 holding.
  • Ossiam first reported a position in Monolithic Power Systems in Q3 2022 and has held it in 14 quarters since.
  • Ossiam's Monolithic Power Systems position peaked at $2.75M in Q4 2022.
  • 1,243 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Ossiam's 13F filing for Q2 2026, filed 13 Aug 2026.