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Oak Ridge Investments’s Monolithic Power Systems MPWR Stock Holding History

Oak Ridge Investments’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 		$698K Sell
505
-126
-20% -$189K 0.04% 137
2026
Q1 		$690K Buy
631
+5
+0.8% +$5.46K 0.05% 138
2025
Q4 		$567K Sell
626
-42
-6% -$40.4K 0.03% 145
2025
Q3 		$615K Buy
668
+6
+0.9% +$4.87K 0.04% 143
2025
Q2 		$484K Buy
662
+2
+0.3% +$1.27K 0.03% 148
2025
Q1 		$383K Sell
660
-5,107
-89% -$3.22M 0.03% 148
2024
Q4 		$3.41M Sell
5,767
-873
-13% -$632K 0.27% 69
2024
Q3 		$6.14M Buy
6,640
+4,561
+219% +$3.94M 0.54% 41
2024
Q2 		$1.71M Buy
2,079
+5
+0.2% +$3.61K 0.16% 96
2024
Q1 		$1.4M Sell
2,074
-267
-11% -$178K 0.14% 106
2023
Q4 		$1.48M Sell
2,341
-144
-6% -$75.2K 0.17% 105
2023
Q3 		$1.15M Sell
2,485
-5
-0.2% -$2.56K 0.15% 113
2023
Q2 		$1.35M Sell
2,490
-44
-2% -$20.9K 0.17% 113
2023
Q1 		$1.27M Buy
2,534
+177
+8% +$81.4K 0.17% 112
2022
Q4 		$833K Sell
2,357
-1
-0% -$359 0.12% 125
2022
Q3 		$857K Sell
2,358
-755
-24% -$336K 0.13% 128
2022
Q2 		$1.2M Hold
3,113
– – 0.17% 111
2022
Q1 		$1.51M Sell
3,113
-8
-0.3% -$3.49K 0.17% 110
2021
Q4 		$1.54M Sell
3,121
-183
-6% -$94.5K 0.13% 120
2021
Q3 		$1.6M Sell
3,304
-26
-0.8% -$11.8K 0.14% 123
2021
Q2 		$1.24M Buy
3,330
+49
+1% +$17.2K 0.11% 127
2021
Q1 		$1.16M Sell
3,281
-1,684
-34% -$613K 0.11% 123
2020
Q4 		$1.82M Sell
4,965
-146
-3% -$46.8K 0.16% 117
2020
Q3 		$1.43M Buy
5,111
+41
+0.8% +$10.7K 0.11% 121
2020
Q2 		$1.2M Sell
5,070
-47
-0.9% -$9.51K 0.1% 120
2020
Q1 		$857K Buy
+5,117
New +$877K 0.09% 123

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

Oak Ridge Investments's MPWR Position: Q2 2026 in Review

Oak Ridge Investments reduced its Monolithic Power Systems (MPWR) stake by 20% in Q2 2026, selling an estimated $189K and leaving 505 shares worth $698K. The position accounts for 0.04% of the portfolio, ranked #137.

Oak Ridge Investments first reported a position in MPWR in Q1 2020 and has held it in 26 quarters since. The position peaked at $6.14M in Q3 2024. 1,246 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Oak Ridge Investments held 505 shares of Monolithic Power Systems worth $698K as of Q2 2026.
  • Oak Ridge Investments sold 126 Monolithic Power Systems shares in Q2 2026, an estimated $189K.
  • Monolithic Power Systems made up 0.04% of Oak Ridge Investments's portfolio in Q2 2026, its #137 holding.
  • Oak Ridge Investments first reported a position in Monolithic Power Systems in Q1 2020 and has held it in 26 quarters since.
  • Oak Ridge Investments's Monolithic Power Systems position peaked at $6.14M in Q3 2024.
  • 1,246 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Oak Ridge Investments's 13F filing for Q2 2026, filed 21 Jul 2026.