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Emerald Advisers’s Monolithic Power Systems MPWR Stock Holding History

Emerald Advisers’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 		$711K Sell
514
-760
-60% -$1.14M 0.02% 164
2026
Q1 		$1.39M Hold
1,274
– – 0.04% 134
2025
Q4 		$1.15M Sell
1,274
-57
-4% -$54.9K 0.04% 131
2025
Q3 		$1.23M Sell
1,331
-195
-13% -$158K 0.04% 137
2025
Q2 		$1.12M Buy
1,526
+27
+2% +$17.2K 0.04% 134
2025
Q1 		$869K Buy
1,499
+132
+10% +$83.2K 0.04% 134
2024
Q4 		$809K Buy
1,367
+430
+46% +$311K 0.03% 143
2024
Q3 		$866K Sell
937
-20
-2% -$17.3K 0.03% 143
2024
Q2 		$786K Buy
957
+3
+0.3% +$2.17K 0.03% 149
2024
Q1 		$646K Buy
954
+238
+33% +$159K 0.03% 167
2023
Q4 		$452K Sell
716
-4
-0.6% -$2.09K 0.02% 181
2023
Q3 		$333K Sell
720
-12
-2% -$6.14K 0.02% 187
2023
Q2 		$395K Sell
732
-12
-2% -$5.7K 0.02% 180
2023
Q1 		$372K Hold
744
– – 0.02% 182
2022
Q4 		$263K Hold
744
– – 0.01% 192
2022
Q3 		$270K Sell
744
-5
-0.7% -$2.22K 0.01% 196
2022
Q2 		$288K Hold
749
– – 0.01% 198
2022
Q1 		$364K Buy
749
+203
+37% +$88.5K 0.01% 202
2021
Q4 		$269K Sell
546
-3
-0.5% -$1.55K 0.01% 220
2021
Q3 		$266K Buy
549
+13
+2% +$5.91K 0.01% 219
2021
Q2 		$200K Buy
+536
New +$189K 0.01% 231
2021
Q1 		– Sell
-556
Closed -$204K – 281
2020
Q4 		$204K Buy
+556
New +$178K 0.01% 230
2018
Q4 		– Sell
-147,820
Closed -$18.6M – 260
2018
Q3 		$18.6M Sell
147,820
-31,040
-17% -$4.33M 0.68% 67
2018
Q2 		$23.9M Sell
178,860
-2,490
-1% -$317K 0.9% 34
2018
Q1 		$21M Buy
181,350
+64,194
+55% +$7.61M 0.84% 42
2017
Q4 		$13.2M Sell
117,156
-710
-0.6% -$82.4K 0.51% 81
2017
Q3 		$12.6M Buy
+117,866
New +$12M 0.51% 79

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

Emerald Advisers's MPWR Position: Q2 2026 in Review

Emerald Advisers reduced its Monolithic Power Systems (MPWR) stake by 60% in Q2 2026, selling an estimated $1.14M and leaving 514 shares worth $711K. The position accounts for 0.02% of the portfolio, ranked #164.

Emerald Advisers first reported a position in MPWR in Q3 2017 and has held it in 27 quarters since. The position peaked at $23.9M in Q2 2018. 1,242 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Emerald Advisers held 514 shares of Monolithic Power Systems worth $711K as of Q2 2026.
  • Emerald Advisers sold 760 Monolithic Power Systems shares in Q2 2026, an estimated $1.14M.
  • Monolithic Power Systems made up 0.02% of Emerald Advisers's portfolio in Q2 2026, its #164 holding.
  • Emerald Advisers first reported a position in Monolithic Power Systems in Q3 2017 and has held it in 27 quarters since.
  • Emerald Advisers's Monolithic Power Systems position peaked at $23.9M in Q2 2018.
  • 1,242 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Emerald Advisers's 13F filing for Q2 2026, filed 5 Aug 2026.